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Schouw HM, Noltes ME, Brouwers AH, Nilsson IL, Zedenius J, Kruijff S. How nuclear imaging changed parathyroid surgical strategies through time. Eur J Nucl Med Mol Imaging 2024:10.1007/s00259-024-06707-9. [PMID: 38649491 DOI: 10.1007/s00259-024-06707-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 04/25/2024]
Affiliation(s)
- H M Schouw
- Department of Surgery, University of Groningen, University Medical Center Groningen, Groningen, Netherlands
- Department of Nuclear Medicine and Molecular Imaging, University of Groningen, University Medical Center Groningen, Groningen, The Netherlands
- Department of Molecular Medicine and Surgery, Karolinska Institutet, Stockholm, Sweden
| | - M E Noltes
- Department of Surgery, University of Groningen, University Medical Center Groningen, Groningen, Netherlands
- Department of Surgery, Martini Hospital, Groningen, Netherlands
| | - A H Brouwers
- Department of Nuclear Medicine and Molecular Imaging, University of Groningen, University Medical Center Groningen, Groningen, The Netherlands
| | - I-L Nilsson
- Department of Molecular Medicine and Surgery, Karolinska Institutet, Stockholm, Sweden
- Department of Breast, Endocrine Tumors and Sarcoma, Karolinska University Hospital, Stockholm, Sweden
| | - J Zedenius
- Department of Molecular Medicine and Surgery, Karolinska Institutet, Stockholm, Sweden
- Department of Breast, Endocrine Tumors and Sarcoma, Karolinska University Hospital, Stockholm, Sweden
| | - S Kruijff
- Department of Surgery, University of Groningen, University Medical Center Groningen, Groningen, Netherlands.
- Department of Nuclear Medicine and Molecular Imaging, University of Groningen, University Medical Center Groningen, Groningen, The Netherlands.
- Department of Molecular Medicine and Surgery, Karolinska Institutet, Stockholm, Sweden.
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Noltes ME, Kruijff S, Appelman APA, Jansen L, Zandee WT, Links TP, van Hemel BM, Schouw HM, Dierckx RAJO, Francken AB, Kelder W, van der Hoorn A, Brouwers AH. Head-to-head comparison of [ 11C]methionine PET, [ 11C]choline PET, and 4-dimensional CT as second-line scans for detection of parathyroid adenomas in primary hyperparathyroidism. Eur J Nucl Med Mol Imaging 2024; 51:1050-1059. [PMID: 37975887 PMCID: PMC10881780 DOI: 10.1007/s00259-023-06488-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/26/2023] [Accepted: 10/21/2023] [Indexed: 11/19/2023]
Abstract
PURPOSE Accurate preoperative localization is imperative to guide surgery in primary hyperparathyroidism (pHPT). It remains unclear which second-line imaging technique is most effective after negative first-line imaging. In this study, we compare the diagnostic effectiveness of [11C]methionine PET/CT, [11C]choline PET/CT, and four dimensional (4D)-CT head-to-head in patients with pHPT, to explore which of these imaging techniques to use as a second-line scan. METHODS We conducted a powered, prospective, blinded cohort study in patients with biochemically proven pHPT and prior negative or discordant first-line imaging consisting of ultrasonography and 99mTc-sestamibi. All patients underwent [11C]methionine PET/CT, [11C]choline PET/CT, and 4D-CT. At first, all scans were interpreted by a nuclear medicine physician, and a radiologist who were blinded from patient data and all imaging results. Next, a non-blinded scan reading was performed. The scan results were correlated with surgical and histopathological findings. Serum calcium values at least 6 months after surgery were used as gold standard for curation of HPT. RESULTS A total of 32 patients were included in the study. With blinded evaluation, [11C]choline PET/CT was positive in 28 patients (88%), [11C]methionine PET/CT in 23 (72%), and 4D-CT in 15 patients (47%), respectively. In total, 30 patients have undergone surgery and 32 parathyroid lesions were histologically confirmed as parathyroid adenomas. Based on the blinded evaluation, lesion-based sensitivity of [11C]choline PET/CT, [11C]methionine PET/CT, and 4D-CT was respectively 85%, 67%, and 39%. The sensitivity of [11C]choline PET/CT differed significantly from that of [11C]methionine PET/CT and 4D-CT (p = 0.031 and p < 0.0005, respectively). CONCLUSION In the setting of pHPT with negative first-line imaging, [11C]choline PET/CT is superior to [11C]methionine PET/CT and 4D-CT in localizing parathyroid adenomas, allowing correct localization in 85% of adenomas. Further studies are needed to determine cost-benefit and efficacy of these scans, including the timing of these scans as first- or second-line imaging techniques.
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Affiliation(s)
- Milou E Noltes
- Department of Nuclear Medicine and Molecular Imaging, University Medical Center Groningen, University of Groningen, Groningen, the Netherlands
- Department of Surgical Oncology, University Medical Center Groningen, University of Groningen, Groningen, the Netherlands
- Department of Surgery, Martini Hospital Groningen, Groningen, the Netherlands
| | - Schelto Kruijff
- Department of Nuclear Medicine and Molecular Imaging, University Medical Center Groningen, University of Groningen, Groningen, the Netherlands
- Department of Surgical Oncology, University Medical Center Groningen, University of Groningen, Groningen, the Netherlands
- Department of Molecular Medicine and Surgery, Karolinska Institutet, Stockholm, Sweden
| | - Auke P A Appelman
- Department of Radiology, University Medical Center Groningen, University of Groningen, Groningen, the Netherlands
| | - Liesbeth Jansen
- Department of Surgical Oncology, University Medical Center Groningen, University of Groningen, Groningen, the Netherlands
| | - Wouter T Zandee
- Division of Endocrinology, Department of Internal Medicine, University Medical Center Groningen, University of Groningen, Groningen, the Netherlands
| | - Thera P Links
- Division of Endocrinology, Department of Internal Medicine, University Medical Center Groningen, University of Groningen, Groningen, the Netherlands
| | - Bettien M van Hemel
- Department of Pathology, University Medical Center Groningen, University of Groningen, Groningen, the Netherlands
| | - Hugo M Schouw
- Department of Nuclear Medicine and Molecular Imaging, University Medical Center Groningen, University of Groningen, Groningen, the Netherlands
- Department of Surgical Oncology, University Medical Center Groningen, University of Groningen, Groningen, the Netherlands
| | - Rudi A J O Dierckx
- Department of Nuclear Medicine and Molecular Imaging, University Medical Center Groningen, University of Groningen, Groningen, the Netherlands
- Department of Surgery, Martini Hospital Groningen, Groningen, the Netherlands
| | | | - Wendy Kelder
- Department of Surgery, Martini Hospital Groningen, Groningen, the Netherlands
| | - Anouk van der Hoorn
- Department of Radiology, University Medical Center Groningen, University of Groningen, Groningen, the Netherlands
| | - Adrienne H Brouwers
- Department of Nuclear Medicine and Molecular Imaging, University Medical Center Groningen, University of Groningen, Groningen, the Netherlands.
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Alleva DG, Feitsma EA, Janssen YF, Boersma HH, Lancaster TM, Sathiyaseelan T, Murikipudi S, Delpero AR, Scully MM, Ragupathy R, Kotha S, Haworth JR, Shah NJ, Rao V, Nagre S, Ronca SE, Green FM, Shaw SA, Aminetzah A, Kruijff S, Brom M, van Dam GM, Zion TC. Immunogenicity phase II study evaluating booster capacity of nonadjuvanted AKS-452 SARS-Cov-2 RBD Fc vaccine. NPJ Vaccines 2024; 9:40. [PMID: 38383578 PMCID: PMC10881471 DOI: 10.1038/s41541-024-00830-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/28/2023] [Accepted: 02/08/2024] [Indexed: 02/23/2024] Open
Abstract
AKS-452, a subunit vaccine comprising an Fc fusion of the ancestral wild-type (WT) SARS-CoV-2 virus spike protein receptor binding domain (SP/RBD), was evaluated without adjuvant in a single cohort, non-randomized, open-labelled phase II study (NCT05124483) at a single site in The Netherlands for safety and immunogenicity. A single 90 µg subcutaneous booster dose of AKS-452 was administered to 71 adults previously primed with a registered mRNA- or adenovirus-based vaccine and evaluated for 273 days. All AEs were mild and no SAEs were attributable to AKS-452. While all subjects showed pre-existing SP/RBD binding and ACE2-inhibitory IgG titers, 60-68% responded to AKS-452 via ≥2-fold increase from days 28 to 90 and progressively decreased back to baseline by day 180 (days 28 and 90 mean fold-increases, 14.7 ± 6.3 and 8.0 ± 2.2). Similar response kinetics against RBD mutant proteins (including omicrons) were observed but with slightly reduced titers relative to WT. There was an expected strong inverse correlation between day-0 titers and the fold-increase in titers at day 28. AKS-452 enhanced neutralization potency against live virus, consistent with IgG titers. Nucleocapsid protein (Np) titers suggested infection occurred in 66% (46 of 70) of subjects, in which only 20 reported mild symptomatic COVID-19. These favorable safety and immunogenicity profiles support booster evaluation in a planned phase III universal booster study of this room-temperature stable vaccine that can be rapidly and inexpensively manufactured to serve vaccination at a global scale without the need of a complex distribution or cold chain.
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Affiliation(s)
- David G Alleva
- Akston Biosciences Corporation, 100 Cummings Center, Suite 454C, Beverly, MA, 01915, USA
| | - Eline A Feitsma
- Department of Surgery, University Medical Center Groningen (UMCG), Hanzeplein 1, 9700 RB, Groningen, The Netherlands
| | - Yester F Janssen
- Department of Nuclear Medicine and Molecular Imaging, UMCG, Groningen, The Netherlands
| | - Hendrikus H Boersma
- Department of Nuclear Medicine and Molecular Imaging, UMCG, Groningen, The Netherlands
- Department of Clinical Pharmacy and Pharmacology, UMCG, Groningen, The Netherlands
| | - Thomas M Lancaster
- Akston Biosciences Corporation, 100 Cummings Center, Suite 454C, Beverly, MA, 01915, USA
| | | | - Sylaja Murikipudi
- Akston Biosciences Corporation, 100 Cummings Center, Suite 454C, Beverly, MA, 01915, USA
| | - Andrea R Delpero
- Akston Biosciences Corporation, 100 Cummings Center, Suite 454C, Beverly, MA, 01915, USA
| | - Melanie M Scully
- Akston Biosciences Corporation, 100 Cummings Center, Suite 454C, Beverly, MA, 01915, USA
| | - Ramya Ragupathy
- Akston Biosciences Corporation, 100 Cummings Center, Suite 454C, Beverly, MA, 01915, USA
| | - Sravya Kotha
- Akston Biosciences Corporation, 100 Cummings Center, Suite 454C, Beverly, MA, 01915, USA
| | - Jeffrey R Haworth
- Akston Biosciences Corporation, 100 Cummings Center, Suite 454C, Beverly, MA, 01915, USA
| | - Nishit J Shah
- Akston Biosciences Corporation, 100 Cummings Center, Suite 454C, Beverly, MA, 01915, USA
| | - Vidhya Rao
- Akston Biosciences Corporation, 100 Cummings Center, Suite 454C, Beverly, MA, 01915, USA
| | - Shashikant Nagre
- Akston Biosciences Corporation, 100 Cummings Center, Suite 454C, Beverly, MA, 01915, USA
| | - Shannon E Ronca
- Department of Pediatrics, Division of Tropical Medicine, Baylor College of Medicine and Texas Children's Hospital, Baylor, College of Medicine, 1102 Bates Ave, 300.15, Houston, TX, 77030, USA
| | - Freedom M Green
- Department of Pediatrics, Division of Tropical Medicine, Baylor College of Medicine and Texas Children's Hospital, Baylor, College of Medicine, 1102 Bates Ave, 300.15, Houston, TX, 77030, USA
| | - Stephen A Shaw
- Department of Pediatrics, Division of Tropical Medicine, Baylor College of Medicine and Texas Children's Hospital, Baylor, College of Medicine, 1102 Bates Ave, 300.15, Houston, TX, 77030, USA
| | - Ari Aminetzah
- TRACER BV, Aarhusweg 2-1/2-2, 9723 JJ, Groningen, The Netherlands
| | - Schelto Kruijff
- Department of Surgery, University Medical Center Groningen (UMCG), Hanzeplein 1, 9700 RB, Groningen, The Netherlands
- Department of Nuclear Medicine and Molecular Imaging, UMCG, Groningen, The Netherlands
| | - Maarten Brom
- TRACER BV, Aarhusweg 2-1/2-2, 9723 JJ, Groningen, The Netherlands
| | - Gooitzen M van Dam
- Department of Nuclear Medicine and Molecular Imaging, UMCG, Groningen, The Netherlands
- TRACER BV, Aarhusweg 2-1/2-2, 9723 JJ, Groningen, The Netherlands
| | - Todd C Zion
- Akston Biosciences Corporation, 100 Cummings Center, Suite 454C, Beverly, MA, 01915, USA.
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van Egmond R, van Kesteren J, Kaomba L, Philipo GS, Borgstein E, Rinkes IB, Rijken M, Kruijff S, Stortelder E. Empowering Tomorrow's Cancer Specialists: Evaluating the Co-creation and Impact of Malawi's First Surgical Oncology Summerschool. J Cancer Educ 2024:10.1007/s13187-024-02400-5. [PMID: 38334895 DOI: 10.1007/s13187-024-02400-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Accepted: 01/13/2024] [Indexed: 02/10/2024]
Abstract
Annually more than 1 million newly diagnosed cancer cases and 500,000 cancer-related deaths occur in Sub Saharan Africa (SSA). By 2030, the cancer burden in Africa is expected to double accompanied by low survival rates. Surgery remains the primary treatment for solid tumours especially where other treatment modalities are lacking. However, in SSA, surgical residents lack sufficient training in cancer treatment. In 2022, Malawian and Dutch specialists co-designed a training course focusing on oncologic diseases and potential treatment options tailored to the Malawian context. The aim of this study was to describe the co-creation process of a surgical oncology education activity in a low resource setting, at the same time attempting to evaluate the effectiveness of this training program. The course design was guided and evaluated conform Kirkpatrick's requirements for an effective training program. Pre-and post-course questionnaires were conducted to evaluate the effectiveness. Thirty-five surgical and gynaecological residents from Malawi participated in the course. Eighty-six percent of respondents (n = 24/28) were highly satisfied at the end of the course. After a 2-month follow-up, 84% (n = 16/19) frequently applied the newly acquired knowledge, and 74% (n = 14/19) reported to have changed their patient care. The course costs were approximately 119 EUR per attendee per day. This course generally received generally positively feedback, had high satisfaction rates, and enhanced knowledge and confidence in the surgical treatment of cancer. Its effectiveness should be further evaluated using the same co-creation model in different settings. Integrating oncology into the regular curriculum of surgical residents is recommended.
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Affiliation(s)
- Remco van Egmond
- Department of Surgery, Ziekenhuis Gelderse Vallei, Ede, The Netherlands
- Netherlands Society for International Surgery (NSIS), Soest, The Netherlands
| | - Jurre van Kesteren
- Netherlands Society for International Surgery (NSIS), Soest, The Netherlands
- Department of Surgery, Amsterdam University Medical Centres, Location VUmc, Amsterdam, The Netherlands
- Global Surgery Amsterdam, Amsterdam, The Netherlands
| | - Lucy Kaomba
- Department of Surgery, Kamuzu University of Health Sciences, Blantyre, Malawi
- Department of Surgery, Queen Elizabeth Central Hospital, Blantyre, Malawi
- The College of Surgeons of East Central and Southern Africa (COSECSA), Arusha, Tanzania
| | - Godfrey Sama Philipo
- The College of Surgeons of East Central and Southern Africa (COSECSA), Arusha, Tanzania
- The Branch for Global Surgical Care (BGSC), University of British Columbia, Vancouver, Canada
| | - Eric Borgstein
- Department of Surgery, Kamuzu University of Health Sciences, Blantyre, Malawi
- Department of Surgery, Queen Elizabeth Central Hospital, Blantyre, Malawi
- The College of Surgeons of East Central and Southern Africa (COSECSA), Arusha, Tanzania
| | - Inne Borel Rinkes
- Netherlands Society for International Surgery (NSIS), Soest, The Netherlands
- Department of Oncology, Utrecht University Medical Centre, Utrecht, The Netherlands
| | - Marcus Rijken
- Netherlands Cancer Institute, Amsterdam, The Netherlands
- Workingparty International Safe Motherhood & Reproductive Health, Groningen, The Netherlands
- Department of OBGYN, Amsterdam University Medical Centre, Amsterdam, The Netherlands
- Julius Global Health, Utrecht University Medical Centre Utrecht, Utrecht, The Netherlands
| | - Schelto Kruijff
- Department of Surgery, University Medical Centre, Groningen, The Netherlands
| | - Eva Stortelder
- Netherlands Society for International Surgery (NSIS), Soest, The Netherlands.
- Julius Global Health, Utrecht University Medical Centre Utrecht, Utrecht, The Netherlands.
- Department of Surgery, Utrecht University Medical Centre, Utrecht, The Netherlands.
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5
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Rodrigues FG, Van Der Plas WY, Sotomayor CG, Van Der Vaart A, Kremer D, Pol RA, Kruijff S, Heilberg IP, Bakker SJL, De Borst MH. Pre-Transplant Hyperparathyroidism and Graft or Patient Outcomes After Kidney Transplantation. Transpl Int 2024; 37:11916. [PMID: 38384325 PMCID: PMC10880800 DOI: 10.3389/ti.2024.11916] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/12/2023] [Accepted: 01/23/2024] [Indexed: 02/23/2024]
Abstract
The impact of pre-transplant parathyroid hormone (PTH) levels on early or long-term kidney function after kidney transplantation is subject of debate. We assessed whether severe hyperparathyroidism is associated with delayed graft function (DGF), death-censored graft failure (DCGF), or all-cause mortality. In this single-center cohort study, we studied the relationship between PTH and other parameters related to bone and mineral metabolism, including serum alkaline phosphatase (ALP) at time of transplantation with the subsequent risk of DGF, DCGF and all-cause mortality using multivariable logistic and Cox regression analyses. In 1,576 kidney transplant recipients (51.6 ± 14.0 years, 57.3% male), severe hyperparathyroidism characterized by pre-transplant PTH ≥771 pg/mL (>9 times the upper limit) was present in 121 patients. During 5.2 [0.2-30.0] years follow-up, 278 (15.7%) patients developed DGF, 150 (9.9%) DCGF and 432 (28.6%) died. A higher pre-transplant PTH was not associated with DGF (HR 1.06 [0.90-1.25]), DCGF (HR 0.98 [0.87-1.13]), or all-cause mortality (HR 1.02 [0.93-1.11]). Results were consistent in sensitivity analyses. The same applied to other parameters related to bone and mineral metabolism, including ALP. Severe pre-transplant hyperparathyroidism was not associated with an increased risk of DGF, DCGF or all-cause mortality, not supporting the need of correction before kidney transplantation to improve graft or patient survival.
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Affiliation(s)
- Fernanda Guedes Rodrigues
- Division of Nephrology, Department of Internal Medicine, University Medical Center Groningen, University of Groningen, Groningen, Netherlands
- Nutrition Post Graduation Program, Universidade Federal de São Paulo (UNIFESP), São Paulo, Brazil
| | - Willemijn Y. Van Der Plas
- Department of Surgery, Division of Surgical Oncology, University Medical Center Groningen, University of Groningen, Groningen, Netherlands
- Department of Surgery, Amsterdam UMC, University of Amsterdam, Amsterdam, Netherlands
| | - Camilo German Sotomayor
- Division of Nephrology, Department of Internal Medicine, University Medical Center Groningen, University of Groningen, Groningen, Netherlands
| | - Amarens Van Der Vaart
- Department of Endocrinology, University of Groningen, University Medical Center Groningen, Groningen, Netherlands
| | - Daan Kremer
- Division of Nephrology, Department of Internal Medicine, University Medical Center Groningen, University of Groningen, Groningen, Netherlands
| | - Robert A. Pol
- Department of Surgery, Division of Surgical Oncology, University Medical Center Groningen, University of Groningen, Groningen, Netherlands
| | - Schelto Kruijff
- Department of Surgery, Division of Surgical Oncology, University Medical Center Groningen, University of Groningen, Groningen, Netherlands
- Department of Surgery, Martini Hospital Groningen, Groningen, Netherlands
- Department of Molecular Medicine and Surgery, Karolinska Institutet, Stockholm, Sweden
| | - Ita Pfeferman Heilberg
- Nutrition Post Graduation Program, Universidade Federal de São Paulo (UNIFESP), São Paulo, Brazil
- Nephrology Division, Universidade Federal de São Paulo (UNIFESP), São Paulo, Brazil
| | - Stephan J. L. Bakker
- Division of Nephrology, Department of Internal Medicine, University Medical Center Groningen, University of Groningen, Groningen, Netherlands
| | | | - Martin H. De Borst
- Division of Nephrology, Department of Internal Medicine, University Medical Center Groningen, University of Groningen, Groningen, Netherlands
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6
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van Dam MA, Bijlstra OD, Faber RA, Warmerdam MI, Achiam MP, Boni L, Cahill RA, Chand M, Diana M, Gioux S, Kruijff S, Van der Vorst JR, Rosenthal RJ, Polom K, Vahrmeijer AL, Mieog JSD. Consensus conference statement on fluorescence-guided surgery (FGS) ESSO course on fluorescence-guided surgery. Eur J Surg Oncol 2024; 50:107317. [PMID: 38104355 DOI: 10.1016/j.ejso.2023.107317] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/20/2023] [Revised: 11/09/2023] [Accepted: 12/04/2023] [Indexed: 12/19/2023]
Abstract
BACKGROUND Fluorescence-guided surgery (FGS) has emerged as an innovative technique with promising applications in various surgical specialties. However, clinical implementation is hampered by limited availability of evidence-based reference work supporting the translation towards standard-of-care use in surgical practice. Therefore, we developed a consensus statement on current applications of FGS. METHODS During an international FGS course, participants anonymously voted on 36 statements. Consensus was defined as agreement ≥70% with participation grade of ≥80%. All participants of the questionnaire were stratified for user and handling experience within five domains of applicability (lymphatics & lymph node imaging; tissue perfusion; biliary anatomy and urinary tracts; tumor imaging in colorectal, HPB, and endocrine surgery, and quantification and (tumor-) targeted imaging). Results were pooled to determine consensus for each statement within the respective sections based on the degree of agreement. RESULTS In total 43/52 (81%) course participants were eligible as voting members for consensus, comprising the expert panel (n = 12) and trained users (n = 31). Consensus was achieved in 17 out of 36 (45%) statements with highest level of agreement for application of FGS in tissue perfusion and biliary/urinary tract visualization (71% and 67%, respectively) and lowest within the tumor imaging section (0%). CONCLUSIONS FGS is currently established for tissue perfusion and vital structure imaging. Lymphatics & lymph node imaging in breast cancer and melanoma are evolving, and tumor tissue imaging holds promise in early-phase trials. Quantification and (tumor-)targeted imaging are advancing toward clinical validation. Additional research is needed for tumor imaging due to a lack of consensus.
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Affiliation(s)
- M A van Dam
- Department of Surgery, Leiden University Medical Center, the Netherlands
| | - O D Bijlstra
- Department of Surgery, Leiden University Medical Center, the Netherlands; Department of Surgery, Amsterdam University Medical Centers, the Netherlands
| | - R A Faber
- Department of Surgery, Leiden University Medical Center, the Netherlands
| | - M I Warmerdam
- Department of Surgery, Leiden University Medical Center, the Netherlands
| | - M P Achiam
- Department of Surgery and Transplantation, Copenhagen University Hospital Rigshospitalet, Denmark
| | - L Boni
- Department of General and Minimally Invasive Surgery, Fondazione IRCCS Ca' Granda Ospedale Maggiore Policlinico di Milano, Italy
| | - R A Cahill
- Department of Surgery, UCD Centre for Precision Surgery, University College Dublin, Ireland
| | - M Chand
- Division of Surgery and Interventional Sciences, University College London, London, UK
| | - M Diana
- IRCAD, Research Institute Against Digestive Cancer, Strasbourg, France
| | - S Gioux
- Intuitive Surgical, Aubonne, Switzerland
| | - S Kruijff
- Department of Surgical Oncology, University Medical Center Groningen, the Netherlands; Department of Nuclear Medicine and Molecular Imaging, University of Groningen, University Medical Center Groningen, the Netherlands
| | - J R Van der Vorst
- Department of Surgery, Leiden University Medical Center, the Netherlands
| | | | - K Polom
- The Academy of Applied Medical and Social Sciences, Lotnicza 2, Elblag, Poland; Gastrointestinal Surgical Oncology Department, Greater Poland Cancer Centre, Garbary 15, Poznan, Poland
| | - A L Vahrmeijer
- Department of Surgery, Leiden University Medical Center, the Netherlands
| | - J S D Mieog
- Department of Surgery, Leiden University Medical Center, the Netherlands.
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Hogenbirk RNM, Wijma AG, van der Plas WY, Hentzen JEKR, de Bock GH, van der Schans CP, Kruijff S, Klaase JM. Actual physical activity after major abdominal cancer surgery: Far from optimal. Eur J Surg Oncol 2024; 50:107949. [PMID: 38215551 DOI: 10.1016/j.ejso.2024.107949] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/11/2023] [Revised: 12/13/2023] [Accepted: 01/02/2024] [Indexed: 01/14/2024]
Abstract
BACKGROUND Enhanced recovery after surgery protocols emphasize the importance of early postoperative mobilization. However, literature quantifying actual physical activity after major abdominal cancer surgery is scarce and inconclusive. MATERIAL AND METHODS A single-center prospective cohort study was conducted at the University Medical Center Groningen from 2019 to 2021. Patients' postoperative physical activity was measured using an accelerometer, with the primary aim of assessing daily physical activity. Secondary aims were identifying patient-related factors associated with low physical activity and studying the consequences of low physical activity in terms of complication rate and length of hospital stay. RESULTS 143 patients included (48 % male; mean age 65 years), 38.5 %, 24.5 %, 19.6 %, and 14 % underwent pancreatic, hepatic, colorectal, or cytoreductive surgery with hyperthermic intraperitoneal chemotherapy, respectively. Median daily step count was low; from median 71 steps on the first to 918 steps on the seventh postoperative day. An association between physical activity and age (OR 3.597, p = 0.013), preoperative weight loss ≥10 % (OR 4.984, p = 0.004), Eastern Cooperative Oncology Group performance status ≥2 (OR 4.016, p = 0.001), midline laparotomy (OR 2.851, p = 0.025), and operation duration (OR 1.003, p = 0.044) was found. An association was observed between physical activity and the occurrence of complications (OR 3.197, p = 0.039) and prolonged hospital stay (β 4.068, p = 0.013). CONCLUSION Postoperative physical activity is low in patients undergoing major abdominal cancer surgery and is linked to postoperative outcomes. Although physical activity should be encouraged in all patients, patient-specific risk factors were identified that can aid early recognition of patients at risk of low physical activity.
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Affiliation(s)
- Rianne N M Hogenbirk
- Department of Surgery, University Medical Center Groningen, University of Groningen, Groningen, the Netherlands
| | - Allard G Wijma
- Department of Surgery, University Medical Center Groningen, University of Groningen, Groningen, the Netherlands.
| | - Willemijn Y van der Plas
- Department of Surgery, University Medical Center Groningen, University of Groningen, Groningen, the Netherlands; Department of Surgery, Amsterdam University Medical Center, Amsterdam, the Netherlands
| | - Judith E K R Hentzen
- Department of Surgery, University Medical Center Groningen, University of Groningen, Groningen, the Netherlands
| | - Geertruida H de Bock
- Department of Epidemiology, University Medical Center Groningen, University of Groningen, Groningen, the Netherlands
| | - Cees P van der Schans
- Department of Health Psychology and Department of Rehabilitation, University Medical Center Groningen, University of Groningen, Groningen, the Netherlands; Research Group Healthy Ageing, Allied Health Care and Nursing, Center of Expertise Healthy Ageing, Hanze University of Applied Sciences, Groningen, the Netherlands
| | - Schelto Kruijff
- Department of Surgery, University Medical Center Groningen, University of Groningen, Groningen, the Netherlands
| | - Joost M Klaase
- Department of Surgery, University Medical Center Groningen, University of Groningen, Groningen, the Netherlands
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Metman MJH, Jonker PKC, Sondorp LHJ, van Hemel BM, Sywak MS, Gill AJ, Jansen L, van Diest PJ, van Ginhoven TM, Löwik CWGM, Nguyen AH, Robinson DJ, van Dam GM, Links TP, Coppes RP, Fehrmann RSN, Kruijff S. MET-receptor targeted fluorescent imaging and spectroscopy to detect multifocal papillary thyroid cancer. Eur J Nucl Med Mol Imaging 2023:10.1007/s00259-023-06525-5. [PMID: 38017325 DOI: 10.1007/s00259-023-06525-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/26/2023] [Accepted: 11/14/2023] [Indexed: 11/30/2023]
Abstract
PURPOSE Multifocal disease in PTC is associated with an increased recurrence rate. Multifocal disease (MD) is underdiagnosed with the current gold standard of pre-operative ultrasound staging. Here, we evaluate the use of EMI-137 targeted molecular fluorescence-guided imaging (MFGI) and spectroscopy as a tool for the intra-operative detection of uni- and multifocal papillary thyroid cancer (PTC) aiming to improve disease staging and treatment selection. METHODS A phase-1 study (NCT03470259) with EMI-137 was conducted to evaluate the possibility of detecting PTC using MFGI and quantitative fiber-optic spectroscopy. RESULTS Fourteen patients underwent hemi- or total thyroidectomy (TTX) after administration of 0.09 mg/kg (n = 1), 0.13 mg/kg (n = 8), or 0.18 mg/kg (n = 5) EMI-137. Both MFGI and spectroscopy could differentiate PTC from healthy thyroid tissue after administration of EMI-137, which binds selectively to MET in PTC. 0.13 mg/kg was the lowest dosage EMI-137 that allowed for differentiation between PTC and healthy thyroid tissue. The smallest PTC focus detected by MFGI was 1.4 mm. MFGI restaged 80% of patients from unifocal to multifocal PTC compared to ultrasound. CONCLUSION EMI-137-guided MFGI and spectroscopy can be used to detect multifocal PTC. This may improve disease staging and treatment selection between hemi- and total thyroidectomy by better differentiation between unifocal and multifocal disease. TRIAL REGISTRATION NCT03470259.
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Affiliation(s)
- Madelon J H Metman
- Department of Surgery, University Medical Center Groningen, University of Groningen, Hanzeplein 1, 9713 GZ, Groningen, the Netherlands
| | - Pascal K C Jonker
- Department of Surgery, University Medical Center Groningen, University of Groningen, Hanzeplein 1, 9713 GZ, Groningen, the Netherlands
- Department of Endocrine Surgery and Surgical Oncology, Royal North Shore Hospital, St Leonards, Australia
| | - Luc H J Sondorp
- Department of Surgery, University Medical Center Groningen, University of Groningen, Hanzeplein 1, 9713 GZ, Groningen, the Netherlands
- Department of Biomedical Sciences of Cell & Systems - Section Molecular Cell Biology, University Medical Center Groningen, University of Groningen, Groningen, the Netherlands
| | - Bettien M van Hemel
- Department of Pathology, University Medical Center Groningen, University of Groningen, Groningen, the Netherlands
| | - Mark S Sywak
- Department of Endocrine Surgery and Surgical Oncology, Royal North Shore Hospital, St Leonards, Australia
| | - Anthony J Gill
- NSW Health Pathology, Department of Anatomical Pathology, Royal North Shore Hospital, St Leonards, Australia
- Sydney Medical School, University of Sydney, Sydney, Australia
- Cancer Diagnosis and Pathology Group Kolling Institute of Medical Research, Royal North Shore Hospital, St Leonards, Australia
| | - Liesbeth Jansen
- Department of Surgery, University Medical Center Groningen, University of Groningen, Hanzeplein 1, 9713 GZ, Groningen, the Netherlands
| | - Paul J van Diest
- Department of Pathology, University Medical Center Utrecht, Utrecht, the Netherlands
- Sidney Kimmel Comprehensive Cancer Center, Johns Hopkins, Baltimore, USA
| | | | - Clemens W G M Löwik
- Department of Radiology and Nuclear Medicine, Erasmus MC, Rotterdam, the Netherlands
| | - Anh H Nguyen
- Department of Pathology, Erasmus MC, Rotterdam, the Netherlands
| | - Dominic J Robinson
- Department of Otorhinolaryngology and Head and Neck Surgery, Erasmus MC Cancer Institute, Rotterdam, the Netherlands
| | - Gooitzen M van Dam
- Department of Nuclear Medicine and Molecular Imaging, University Medical Center Groningen, University of Groningen, Groningen, the Netherlands
- AxelaRx/TRACER B.V, Groningen, the Netherlands
| | - Thera P Links
- Department of Endocrinology, University Medical Center Groningen, University of Groningen, Groningen, the Netherlands
| | - Rob P Coppes
- Department of Biomedical Sciences of Cell & Systems - Section Molecular Cell Biology, University Medical Center Groningen, University of Groningen, Groningen, the Netherlands
- Department of Radiation Oncology, University Medical Center Groningen, University of Groningen, Groningen, the Netherlands
| | - Rudolf S N Fehrmann
- Department of Medical Oncology, University Medical Center Groningen, University of Groningen, Groningen, the Netherlands
| | - Schelto Kruijff
- Department of Surgery, University Medical Center Groningen, University of Groningen, Hanzeplein 1, 9713 GZ, Groningen, the Netherlands.
- Department of Nuclear Medicine and Molecular Imaging, University Medical Center Groningen, University of Groningen, Groningen, the Netherlands.
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Vonk J, Kruijff S, Slart RHJA, Szymanski W, Witjes MJH, Glaudemans AWJM. Towards molecular imaging-guided intervention theatres in oncology. Eur J Nucl Med Mol Imaging 2023:10.1007/s00259-023-06545-1. [PMID: 38012447 DOI: 10.1007/s00259-023-06545-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2023]
Affiliation(s)
- J Vonk
- Medical Imaging Center, Department of Nuclear Medicine & Molecular Imaging, University of Groningen, University Medical Center Groningen, PO Box 30.001, 9700 RB, Groningen, the Netherlands.
| | - S Kruijff
- Medical Imaging Center, Department of Nuclear Medicine & Molecular Imaging, University of Groningen, University Medical Center Groningen, PO Box 30.001, 9700 RB, Groningen, the Netherlands
- Department of Surgery, University of Groningen, University Medical Center Groningen, Groningen, the Netherlands
- Department of Molecular Medicine and Surgery, Karolinska Institutet, Stockholm, Sweden
| | - R H J A Slart
- Medical Imaging Center, Department of Nuclear Medicine & Molecular Imaging, University of Groningen, University Medical Center Groningen, PO Box 30.001, 9700 RB, Groningen, the Netherlands
- Biomedical Photonic Imaging Group, Faculty of Science and Technology, University of Twente, Enschede, The Netherlands
| | - W Szymanski
- Medical Imaging Center, Department of Nuclear Medicine & Molecular Imaging, University of Groningen, University Medical Center Groningen, PO Box 30.001, 9700 RB, Groningen, the Netherlands
- Department of Medicinal Chemistry, Photopharmacology and Imaging, Groningen Research Institute of Pharmacy, University of Groningen, Groningen, The Netherlands
| | - M J H Witjes
- Department of Oral and Maxillofacial Surgery, University of Groningen, University Medical Center Groningen, Groningen, the Netherlands
| | - A W J M Glaudemans
- Medical Imaging Center, Department of Nuclear Medicine & Molecular Imaging, University of Groningen, University Medical Center Groningen, PO Box 30.001, 9700 RB, Groningen, the Netherlands
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10
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Rodriguez Schaap PM, Lin JF, Metman MJH, Dreijerink KMA, Links TP, Bonjer HJ, Nieveen van Dijkum EJM, Dickhoff C, Kruijff S, Engelsman AF. Bilaterality, not multifocality, is an independent risk factor for recurrence in low-risk papillary thyroid cancer. J Natl Cancer Inst 2023; 115:1071-1076. [PMID: 37267155 PMCID: PMC10483265 DOI: 10.1093/jnci/djad105] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/09/2023] [Revised: 04/15/2023] [Accepted: 05/31/2023] [Indexed: 06/04/2023] Open
Abstract
BACKGROUND The impact of multifocality and bilaterality on recurrence in patients with low-risk papillary thyroid cancer (PTC) is relevant when considering patients for a de-escalated treatment strategy: hemithyroidectomy instead of total thyroidectomy followed with or without radioactive iodine. This study aims to analyze contralateral tumor probability in patients treated for low-risk PTC and assess multifocality and bilaterality as possible predictors for recurrence. METHODS Patients with low-risk PTC treated with total thyroidectomy followed with or without radioactive iodine in the Netherlands between 2005 and 2015 were included in this study. Patients were identified from the Netherlands Comprehensive Cancer Organization (IKNL) and linked with the nationwide network and registry of Pathology in the Netherlands (PALGA). Contralateral tumor probability and recurrence were assessed. RESULTS Of 791 included patients, 41.8% (331 of 791) had multifocal disease, with 68.9% (228 of 331) of those patients having bilateral disease. The contralateral tumor probability after hemithyroidectomy was 24.6% (150 of 610) for patients with unifocal disease and 43.1% (78 of 181) for patients with multifocal disease. We found a higher trend of recurrence in patients with bilateral disease, regardless of multifocality: in patients with contralateral disease after precompletion diagnosed unifocal disease 7.3% (11 of 150) had recurrent disease, and patients without contralateral disease after precompletion diagnosed multifocal disease 1.9% (2 per 103) had recurrence. Cox regression analysis showed that bilaterality (hazard ratio = 3.621, 95% confidence interval = 1.548 to 8.471) was the sole statistically significant risk factor for recurrence. CONCLUSION Low recurrence rates are found in patients with either multifocal or bilateral disease with low-risk PTC. Bilaterality should be taken into account when considering these patients for de-escalated treatment strategy.
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Affiliation(s)
- Pedro Manuel Rodriguez Schaap
- Department of Surgery, Amsterdam University Medical Centres, location VUmc, Cancer Center Amsterdam, Amsterdam, the Netherlands
| | - Jia Feng Lin
- Department of Surgery, University Medical Centre Groningen, University of Groningen, Groningen, the Netherlands
| | - Madelon J H Metman
- Department of Surgery, University Medical Centre Groningen, University of Groningen, Groningen, the Netherlands
| | - Koen M A Dreijerink
- Department of Endocrinology, Amsterdam University Medical Centers, location VUmc, Cancer Center Amsterdam, Amsterdam, the Netherlands
| | - Thera P Links
- Department of Endocrinology, University Medical Centre Groningen, University of Groningen, Groningen, the Netherlands
| | - H Jaap Bonjer
- Department of Surgery, Amsterdam University Medical Centres, location VUmc, Cancer Center Amsterdam, Amsterdam, the Netherlands
| | - Els J M Nieveen van Dijkum
- Department of Surgery, Amsterdam University Medical Centers, location AMC, Cancer Center Amsterdam, Amsterdam, the Netherlands
| | - Chris Dickhoff
- Department of Surgery, Amsterdam University Medical Centres, location VUmc, Cancer Center Amsterdam, Amsterdam, the Netherlands
| | - Schelto Kruijff
- Department of Surgery, University Medical Centre Groningen, University of Groningen, Groningen, the Netherlands
| | - Anton F Engelsman
- Department of Surgery, Amsterdam University Medical Centres, location VUmc, Cancer Center Amsterdam, Amsterdam, the Netherlands
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11
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Noltes ME, Bader M, Metman MJH, Vonk J, Steinkamp PJ, Kukačka J, Westerlaan HE, Dierckx RAJO, van Hemel BM, Brouwers AH, van Dam GM, Jüstel D, Ntziachristos V, Kruijff S. Towards in vivo characterization of thyroid nodules suspicious for malignancy using multispectral optoacoustic tomography. Eur J Nucl Med Mol Imaging 2023; 50:2736-2750. [PMID: 37039901 PMCID: PMC10317911 DOI: 10.1007/s00259-023-06189-1] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/04/2022] [Accepted: 03/05/2023] [Indexed: 04/12/2023]
Abstract
PURPOSE Patient-tailored management of thyroid nodules requires improved risk of malignancy stratification by accurate preoperative nodule assessment, aiming to personalize decisions concerning diagnostics and treatment. Here, we perform an exploratory pilot study to identify possible patterns on multispectral optoacoustic tomography (MSOT) for thyroid malignancy stratification. For the first time, we directly correlate MSOT images with histopathology data on a detailed level. METHODS We use recently enhanced data processing and image reconstruction methods for MSOT to provide next-level image quality by means of improved spatial resolution and spectral contrast. We examine optoacoustic features in thyroid nodules associated with vascular patterns and correlate these directly with reference histopathology. RESULTS Our methods show the ability to resolve blood vessels with diameters of 250 μm at depths of up to 2 cm. The vessel diameters derived on MSOT showed an excellent correlation (R2-score of 0.9426) with the vessel diameters on histopathology. Subsequently, we identify features of malignancy observable in MSOT, such as intranodular microvascularity and extrathyroidal extension verified by histopathology. Despite these promising features in selected patients, we could not determine statistically relevant differences between benign and malignant thyroid nodules based on mean oxygen saturation in thyroid nodules. Thus, we illustrate general imaging artifacts of the whole field of optoacoustic imaging that reduce image fidelity and distort spectral contrast, which impedes quantification of chromophore presence based on mean concentrations. CONCLUSION We recommend examining optoacoustic features in addition to chromophore quantification to rank malignancy risk. We present optoacoustic images of thyroid nodules with the highest spatial resolution and spectral contrast to date, directly correlated to histopathology, pushing the clinical translation of MSOT.
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Affiliation(s)
- Milou E Noltes
- Department of Surgical Oncology, University of Groningen, University Medical Center Groningen, Groningen, the Netherlands
- Department of Nuclear Medicine and Molecular Imaging, University Medical Center Groningen, University of Groningen, Groningen, the Netherlands
| | - Maximilian Bader
- Chair of Biological Imaging at the Central Institute for Translational Cancer Research (TranslaTUM), School of Medicine, Technical University of Munich, Munich, Germany
- Institute of Biological and Medical Imaging, Helmholtz Zentrum München, Neuherberg, Germany
| | - Madelon J H Metman
- Department of Surgical Oncology, University of Groningen, University Medical Center Groningen, Groningen, the Netherlands
| | - Jasper Vonk
- Department of Oral and Maxillofacial Surgery, University Medical Center Groningen, University of Groningen, Groningen, the Netherlands
| | - Pieter J Steinkamp
- Department of Surgical Oncology, University of Groningen, University Medical Center Groningen, Groningen, the Netherlands
| | - Jan Kukačka
- Chair of Biological Imaging at the Central Institute for Translational Cancer Research (TranslaTUM), School of Medicine, Technical University of Munich, Munich, Germany
- Institute of Biological and Medical Imaging, Helmholtz Zentrum München, Neuherberg, Germany
| | - Henriette E Westerlaan
- Department of Radiology, University Medical Center Groningen, University of Groningen, University Medical Center Groningen, Groningen, the Netherlands
| | - Rudi A J O Dierckx
- Department of Nuclear Medicine and Molecular Imaging, University Medical Center Groningen, University of Groningen, Groningen, the Netherlands
| | - Bettien M van Hemel
- Department of Pathology, University of Groningen, University Medical Center Groningen, Groningen, the Netherlands
| | - Adrienne H Brouwers
- Department of Nuclear Medicine and Molecular Imaging, University Medical Center Groningen, University of Groningen, Groningen, the Netherlands
| | - Gooitzen M van Dam
- Department of Nuclear Medicine and Molecular Imaging, University Medical Center Groningen, University of Groningen, Groningen, the Netherlands
- AxelaRx/TRACER Europe BV, Groningen, the Netherlands
| | - Dominik Jüstel
- Chair of Biological Imaging at the Central Institute for Translational Cancer Research (TranslaTUM), School of Medicine, Technical University of Munich, Munich, Germany
- Institute of Biological and Medical Imaging, Helmholtz Zentrum München, Neuherberg, Germany
- Institute of Computational Biology, Helmholtz Zentrum München, Neuherberg, Germany
| | - Vasilis Ntziachristos
- Chair of Biological Imaging at the Central Institute for Translational Cancer Research (TranslaTUM), School of Medicine, Technical University of Munich, Munich, Germany
- Institute of Biological and Medical Imaging, Helmholtz Zentrum München, Neuherberg, Germany
- Munich Institute of Robotics and Machine Intelligence (MIRMI), Technical University of Munich, Munich, Germany
| | - Schelto Kruijff
- Department of Surgical Oncology, University of Groningen, University Medical Center Groningen, Groningen, the Netherlands.
- Department of Nuclear Medicine and Molecular Imaging, University Medical Center Groningen, University of Groningen, Groningen, the Netherlands.
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12
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Broman KK, Hughes TM, Bredbeck BC, Sun J, Kirichenko D, Carr MJ, Sharma A, Bartlett EK, Nijhuis AAG, Thompson JF, Hieken TJ, Kottschade L, Downs J, Gyorki DE, Stahlie E, van Akkooi A, Ollila DW, O'shea K, Song Y, Karakousis G, Moncrieff M, Nobes J, Vetto J, Han D, Hotz M, Farma JM, Deneve JL, Fleming MD, Perez M, Baecher K, Lowe M, Bagge RO, Mattsson J, Lee AY, Berman RS, Chai H, Kroon HM, Teras J, Teras RM, Farrow NE, Beasley GM, Hui JYC, Been L, Kruijff S, Sinco B, Sarnaik AA, Sondak VK, Zager JS, Dossett LA. International Center-Level Variation in Utilization of Completion Lymph Node Dissection and Adjuvant Systemic Therapy for Sentinel Lymph Node-Positive Melanoma at Major Referral Centers. Ann Surg 2023; 277:e1106-e1115. [PMID: 35129464 PMCID: PMC10097464 DOI: 10.1097/sla.0000000000005370] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
Abstract
OBJECTIVE The aim of this study was to determine overall trends and center-level variation in utilization of completion lymph node dissection (CLND) and adjuvant systemic therapy for sentinel lymph node (SLN)-positive melanoma. SUMMARY BACKGROUND DATA Based on recent clinical trials, management options for SLN-positive melanoma now include effective adjuvant systemic therapy and nodal observation instead of CLND. It is unknown how these findings have shaped practice or how these contemporaneous developments have influenced their respective utilization. METHODS We performed an international cohort study at 21 melanoma referral centers in Australia, Europe, and the United States that treated adults with SLN-positive melanoma and negative distant staging from July 2017 to June 2019. We used generalized linear and multinomial logistic regression models with random intercepts for each center to assess center-level variation in CLND and adjuvant systemic treatment, adjusting for patient and disease-specific characteristics. RESULTS Among 1109 patients, performance of CLND decreased from 28% to 8% and adjuvant systemic therapy use increased from 29 to 60%. For both CLND and adjuvant systemic treatment, the most influential factors were nodal tumor size, stage, and location of treating center. There was notable variation among treating centers in management of stage IIIA patients and use of CLND with adjuvant systemic therapy versus nodal observation alone for similar risk patients. CONCLUSIONS There has been an overall decline in CLND and simultaneous adoption of adjuvant systemic therapy for patients with SLN-positive melanoma though wide variation in practice remains. Accounting for differences in patient mix, location of care contributed significantly to the observed variation.
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Affiliation(s)
- Kristy K Broman
- Moffitt Cancer Center, Tampa, FL
- University of South Florida Morsani College of Medicine, Tampa, FL
- University of Alabama at Birmingham, Birmingham, AL
| | | | | | | | | | | | | | | | - Amanda A G Nijhuis
- Melanoma Institute Australia, The University of Sydney, Sydney, New South Wales, Australia
| | - John F Thompson
- Melanoma Institute Australia, The University of Sydney, Sydney, New South Wales, Australia
| | | | | | | | | | - Emma Stahlie
- Netherlands Cancer institute, Amsterdam, The Netherlands
| | | | | | | | - Yun Song
- University of Gothenburg, Gothenburg, Sweden
| | | | - Marc Moncrieff
- Norfolk and Norwich University Hospital, Norwich, United Kingdom
| | - Jenny Nobes
- Norfolk and Norwich University Hospital, Norwich, United Kingdom
| | - John Vetto
- Oregon Health & Science University, Portland, OR
| | - Dale Han
- Oregon Health & Science University, Portland, OR
| | | | | | | | | | | | | | | | | | - Jan Mattsson
- University Medical Center, Groningen, Netherlands
| | | | | | - Harvey Chai
- Royal Adelaide Hospital, University of Adelaide, Adelaide, Australia
| | - Hidde M Kroon
- Royal Adelaide Hospital, University of Adelaide, Adelaide, Australia
| | - Juri Teras
- North Estonia Medical Centre Foundation, Tallinn, Estonia
| | - Roland M Teras
- North Estonia Medical Centre Foundation, Tallinn, Estonia
| | | | | | | | | | | | | | - Amod A Sarnaik
- Moffitt Cancer Center, Tampa, FL
- University of South Florida Morsani College of Medicine, Tampa, FL
| | - Vernon K Sondak
- Moffitt Cancer Center, Tampa, FL
- University of South Florida Morsani College of Medicine, Tampa, FL
| | - Jonathan S Zager
- Moffitt Cancer Center, Tampa, FL
- University of South Florida Morsani College of Medicine, Tampa, FL
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13
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Lin JF, Rodriguez Schaap PM, Metman MJH, Nieveen van Dijkum EJM, Dickhoff C, Links TP, Kruijff S, Engelsman AF. Thyroid Lobectomy for Low-Risk 1-4 CM Papillary Thyroid Cancer is not Associated with Increased Recurrence Rates in the Dutch Population with a Restricted Diagnostic Work-Up. World J Surg 2023; 47:1211-1218. [PMID: 36303039 PMCID: PMC10070212 DOI: 10.1007/s00268-022-06813-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 10/15/2022] [Indexed: 11/28/2022]
Abstract
INTRODUCTION The 2015 American Thyroid Association guidelines recommend to de-escalate treatment such as Thyroid lobectomy instead of total thyroidectomy for 1-4 cm papillary thyroid cancer (PTC). Dutch guidelines endorse restricted work-up for thyroid incidentalomas recommending only fine needle aspiration in case of a 'palpable thyroid nodule'. This diagnostic work-up algorithm may result in the identification of less indolent PTCs and may lead to a patient population with relatively more aggressive PTCs. This study aims to retrospectively analyze recurrence rates of low-risk 1-4 cm PTC in the Netherlands. METHODS From the national cancer registry, patients with low-risk 1-4 cm PTC between 2005 and 2015 were included for analysis. Disease free survival (DFS) and overall survival were compared between patients who underwent TT ± RAI and TL without RAI. Post-hoc propensity score analysis was performed correcting for age, sex, T-stage, and N-stage. RESULTS In total 901 patients were included, of which 711 (78.9%) were females, with a median follow-up of 7.7 years. TT was performed in 893 (94.8%) patients. Recurrence occurred in 23 (2.6%) patients. Multivariable analysis showed no significant correlation between extent of surgery and DFS (p = 0.978), or overall survival (p = 0.590). After propensity score matching, multivariable analysis showed no significant difference on extent of surgery and recurrence. CONCLUSION Low-risk PTC patients with 1-4 cm tumor who underwent TL showed similar recurrence rates as those who underwent TT ± adjuvant RAI, which suggests that TL can be sufficient in treating low-risk 1-4 cm PTC, possibly reducing morbidity of these patients in the Netherlands.
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Affiliation(s)
- J F Lin
- Department of Surgical Oncology, University Medical Center Groningen, University of Groningen, P.O. 30.001, 9700, RB, Groningen, The Netherlands
| | - P M Rodriguez Schaap
- Department of Surgery, Location VUmc Cancer Centre Amsterdam, Amsterdam University Medical Centre, Postbus 7057, 1007, MB, Amsterdam, The Netherlands
| | - M J H Metman
- Department of Surgical Oncology, University Medical Center Groningen, University of Groningen, P.O. 30.001, 9700, RB, Groningen, The Netherlands
| | - E J M Nieveen van Dijkum
- Department of Surgery, Location VUmc Cancer Centre Amsterdam, Amsterdam University Medical Centre, Postbus 7057, 1007, MB, Amsterdam, The Netherlands
| | - C Dickhoff
- Department of Surgery, Location VUmc Cancer Centre Amsterdam, Amsterdam University Medical Centre, Postbus 7057, 1007, MB, Amsterdam, The Netherlands
| | - T P Links
- Division of Endocrinology, Department of Internal Medicine, University Medical Center Groningen, University of Groningen, Groningen, The Netherlands
| | - S Kruijff
- Department of Surgical Oncology, University Medical Center Groningen, University of Groningen, P.O. 30.001, 9700, RB, Groningen, The Netherlands
| | - A F Engelsman
- Department of Surgery, Location VUmc Cancer Centre Amsterdam, Amsterdam University Medical Centre, Postbus 7057, 1007, MB, Amsterdam, The Netherlands.
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14
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Noltes ME, Rotstein L, Eskander A, Kluijfhout WP, Bongers P, Brouwers AH, Kruijff S, Metser U, Pasternak JD, Veit-Haibach P. 18F-fluorocholine PET/MRI versus ultrasound and sestamibi for the localization of parathyroid adenomas. Langenbecks Arch Surg 2023; 408:155. [PMID: 37079138 DOI: 10.1007/s00423-023-02893-6] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/17/2023] [Accepted: 04/10/2023] [Indexed: 04/21/2023]
Abstract
PURPOSE Accurate preoperative localization is imperative to facilitate a minimally invasive parathyroidectomy (MIP) in primary hyperparathyroidism (pHPT). This study aims to compare the diagnostic value of standard-of-care localization techniques (ultrasound [US] and 99mTechnetium (99mTc) -sestamibi scintigraphy) to [F-18]-fluorocholine positron emission tomography/magnetic resonance imaging (FCH-PET/MRI) to determine the additional clinical usefulness of PET/MRI in a Canadian cohort. METHODS We conducted a prospective, appropriately powered, study to compare the diagnostic value of -FCH PET/MRI to that of the US and 99mTc-sestamibi scintigraphy for localization of parathyroid adenomas in a patient with pHPT. The primary outcome was the per-lesion sensitivity and positive predictive value (PPV) of FCH-PET/MRI, US, and 99mTc-sestamibi scintigraphy. Intraoperative surgeon localization, parathormone levels, and histopathological findings were used as reference standards. RESULTS Forty-one patients underwent FCH-PET/MRI of which 36 patients had parathyroidectomy. In these 36 patients, 41 parathyroid lesions were histologically confirmed as adenomas or hyperplastic glands. Per-lesion sensitivity of FCH-PET/MRI was 82.9% and of US and 99mTc-sestamibi scintigraphy combined at 50.0%, respectively. The sensitivity of FCH-PET/MRI was superior to that of US and 99mTc-sestamibi scintigraphy (p = 0.002). In the 19 patients in whom both US and 99mTc-sestamibi scintigraphy were negative, PET/MRI correctly identified the parathyroid adenoma in 13 patients (68%). CONCLUSIONS FCH-PET/MRI is a highly accurate imaging modality for localization of parathyroid adenomas in a tertiary center in North America. It is a superior functional imaging modality to 99mTc-sestamibi scintigraphy alone and more sensitive for localization of parathyroid lesions than US and 99mTc-sestamibi scintigraphy combined. This imaging modality could become the most valuable preoperative localization study given its superior performance in localizing parathyroid adenomas.
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Affiliation(s)
- M E Noltes
- University of Groningen, University Medical Center Groningen, Department of Surgery, Groningen, the Netherlands
- University of Groningen, University Medical Center Groningen, Department of Nuclear Medicine and Molecular Imaging, Groningen, the Netherlands
- Section of Endocrine Surgery, Division of General Surgery, University Health Network, University of Toronto, Toronto, Ontario, Canada
| | - L Rotstein
- Section of Endocrine Surgery, Division of General Surgery, University Health Network, University of Toronto, Toronto, Ontario, Canada
| | - A Eskander
- Department of Otolaryngology-Head and Neck Surgery, Michael Garron Hospital, University of Toronto, Toronto, Ontario, Canada
| | - W P Kluijfhout
- Section of Endocrine Surgery, Division of General Surgery, University Health Network, University of Toronto, Toronto, Ontario, Canada
| | - P Bongers
- University of Groningen, University Medical Center Groningen, Department of Surgery, Groningen, the Netherlands
- Section of Endocrine Surgery, Division of General Surgery, University Health Network, University of Toronto, Toronto, Ontario, Canada
| | - A H Brouwers
- University of Groningen, University Medical Center Groningen, Department of Nuclear Medicine and Molecular Imaging, Groningen, the Netherlands
| | - S Kruijff
- University of Groningen, University Medical Center Groningen, Department of Surgery, Groningen, the Netherlands
- University of Groningen, University Medical Center Groningen, Department of Nuclear Medicine and Molecular Imaging, Groningen, the Netherlands
| | - U Metser
- Toronto Joint Department Medical Imaging, University Health Network, Women's College Hospital, University of Toronto, Toronto, Ontario, Canada
| | - J D Pasternak
- Section of Endocrine Surgery, Division of General Surgery, University Health Network, University of Toronto, Toronto, Ontario, Canada.
| | - P Veit-Haibach
- Toronto Joint Department Medical Imaging, University Health Network, Women's College Hospital, University of Toronto, Toronto, Ontario, Canada
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15
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Feitsma EA, Janssen YF, Boersma HH, van Sleen Y, van Baarle D, Alleva DG, Lancaster TM, Sathiyaseelan T, Murikipudi S, Delpero AR, Scully MM, Ragupathy R, Kotha S, Haworth JR, Shah NJ, Rao V, Nagre S, Ronca SE, Green FM, Aminetzah A, Sollie F, Kruijff S, Brom M, van Dam GM, Zion TC. A randomized phase I/II safety and immunogenicity study of the Montanide-adjuvanted SARS-CoV-2 spike protein-RBD-Fc vaccine, AKS-452. Vaccine 2023; 41:2184-2197. [PMID: 36842886 PMCID: PMC9946892 DOI: 10.1016/j.vaccine.2023.02.057] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/20/2022] [Revised: 02/15/2023] [Accepted: 02/18/2023] [Indexed: 02/25/2023]
Abstract
BACKGROUND Previous interim data from a phase I study of AKS-452, a subunit vaccine comprising an Fc fusion of the respiratory syndrome coronavirus 2 (SARS-CoV-2) spike protein receptor binding domain (SP/RBD) emulsified in the water-in-oil adjuvant, Montanide™ ISA 720, suggested a good safety and immunogenicity profile in healthy adults. This phase I study was completed and two dosing regimens were further evaluated in this phase II study. METHODS This phase II randomized, open-labelled, parallel group study was conducted at a single site in The Netherlands with 52 healthy adults (18 - 72 years) receiving AKS-452 subcutaneously at one 90 µg dose (cohort 1, 26 subjects) or two 45 µg doses 28 days apart (cohort 2, 26 subjects). Serum samples were collected at the first dose (day 0) and at days 28, 56, 90, and 180. Safety and immunogenicity endpoints were assessed, along with induction of IgG isotypes, cross-reactive immunity against viral variants, and IFN-γ T cell responses. RESULTS All AEs were mild/moderate (grades 1 or 2), and no SAEs were attributable to AKS-452. Seroconversion rates reached 100% in both cohorts, although cohort 2 showed greater geometric mean IgG titers that were stable through day 180 and associated with enhanced potencies of SP/RBD-ACE2 binding inhibition and live virus neutralization. AKS-452-induced IgG titers strongly bound mutant SP/RBD from several SARS-CoV-2 variants (including Omicrons) that were predominantly of the favorable IgG1/3 isotype and IFN-γ-producing T cell phenotype. CONCLUSION These favorable safety and immunogenicity profiles of the candidate vaccine as demonstrated in this phase II study are consistent with those of the phase I study (ClinicalTrials.gov: NCT04681092) and suggest that a total of 90 µg received in 2 doses may offer a greater duration of cross-reactive neutralizing titers than when given in a single dose.
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Affiliation(s)
- Eline A Feitsma
- Department of Surgery, University Medical Center Groningen (UMCG), Hanzeplein 1, 9700 RB Groningen, the Netherlands
| | - Yester F Janssen
- Department of Nuclear Medicine and Molecular Imaging, UMCG, the Netherlands
| | - Hendrikus H Boersma
- Department of Nuclear Medicine and Molecular Imaging, UMCG, the Netherlands; Department of Clinical Pharmacy and Pharmacology, UMCG, the Netherlands
| | - Yannick van Sleen
- Department of Rheumatology and Clinical Immunology, UMCG, the Netherlands
| | - Debbie van Baarle
- Department of Rheumatology and Clinical Immunology, UMCG, the Netherlands
| | - David G Alleva
- Akston Biosciences Corporation., 100 Cummings Center, Suite 454C, Beverly, MA 01915, United States
| | - Thomas M Lancaster
- Akston Biosciences Corporation., 100 Cummings Center, Suite 454C, Beverly, MA 01915, United States
| | | | - Sylaja Murikipudi
- Akston Biosciences Corporation., 100 Cummings Center, Suite 454C, Beverly, MA 01915, United States
| | - Andrea R Delpero
- Akston Biosciences Corporation., 100 Cummings Center, Suite 454C, Beverly, MA 01915, United States
| | - Melanie M Scully
- Akston Biosciences Corporation., 100 Cummings Center, Suite 454C, Beverly, MA 01915, United States
| | - Ramya Ragupathy
- Akston Biosciences Corporation., 100 Cummings Center, Suite 454C, Beverly, MA 01915, United States
| | - Sravya Kotha
- Akston Biosciences Corporation., 100 Cummings Center, Suite 454C, Beverly, MA 01915, United States
| | - Jeffrey R Haworth
- Akston Biosciences Corporation., 100 Cummings Center, Suite 454C, Beverly, MA 01915, United States
| | - Nishit J Shah
- Akston Biosciences Corporation., 100 Cummings Center, Suite 454C, Beverly, MA 01915, United States
| | - Vidhya Rao
- Akston Biosciences Corporation., 100 Cummings Center, Suite 454C, Beverly, MA 01915, United States
| | - Shashikant Nagre
- Akston Biosciences Corporation., 100 Cummings Center, Suite 454C, Beverly, MA 01915, United States
| | - Shannon E Ronca
- Department of Pediatrics, Division of Tropical Medicine, Baylor College of Medicine and Texas Children's Hospital, Baylor, College of Medicine, 1102 Bates Ave, 300.15, Houston, TX 77030, United States
| | - Freedom M Green
- Department of Pediatrics, Division of Tropical Medicine, Baylor College of Medicine and Texas Children's Hospital, Baylor, College of Medicine, 1102 Bates Ave, 300.15, Houston, TX 77030, United States
| | - Ari Aminetzah
- TRACER BV, L.J. Zielstraweg 1, 9766 GX Groningen, the Netherlands
| | - Frans Sollie
- ICON, van Swietenlaan 6, 9728 NZ Groningen, the Netherlands
| | - Schelto Kruijff
- Department of Surgery, University Medical Center Groningen (UMCG), Hanzeplein 1, 9700 RB Groningen, the Netherlands; Department of Nuclear Medicine and Molecular Imaging, UMCG, the Netherlands
| | - Maarten Brom
- TRACER BV, L.J. Zielstraweg 1, 9766 GX Groningen, the Netherlands
| | - Gooitzen M van Dam
- Department of Nuclear Medicine and Molecular Imaging, UMCG, the Netherlands; TRACER BV, L.J. Zielstraweg 1, 9766 GX Groningen, the Netherlands
| | - Todd C Zion
- Akston Biosciences Corporation., 100 Cummings Center, Suite 454C, Beverly, MA 01915, United States.
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16
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Hogenbirk RNM, Hentzen JEKR, van der Plas WY, Campmans-Kuijpers MJE, Kruijff S, Klaase JM. Surgery-Related Muscle Loss after Pancreatic Resection and Its Association with Postoperative Nutritional Intake. Cancers (Basel) 2023; 15:cancers15030969. [PMID: 36765926 PMCID: PMC9913550 DOI: 10.3390/cancers15030969] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/29/2022] [Revised: 01/28/2023] [Accepted: 02/01/2023] [Indexed: 02/05/2023] Open
Abstract
To study the occurrence of surgery-related muscle loss (SRML) and its association with in-hospital nutritional intake, we conducted a prospective observational cohort study including patients who underwent pancreatic surgery because of (suspected) malignant diseases. Muscle diameter was measured by using bedside ultrasound 1 day prior to surgery and 7 days postoperatively. Clinically relevant SRML was defined as ≥10% muscle diameter loss in minimally one arm and leg muscle within 1 week after surgery. Protein and caloric intake was measured by nutritional diaries. The primary endpoint included the number of patients with SRML. Secondary endpoints included the association between SRML and postoperative nutritional intake. Of the 63 included patients (60.3% men; age 67.1 ± 10.2 years), a total of 24 patients (38.1%) showed SRML. No differences were observed in severe complication rate or length of hospital stay between patients with and without SRML. During the first postoperative week, patients with clinically relevant SRML experienced more days without any nutritional intake compared with the non-SRML group (1 [0-4] versus 0 [0-1] days, p = 0.007). Significantly lower nutritional intake was found in the SRML group at postoperative days 2, 3 and 5 (p < 0.05). Since this study shows that SRML occurred in 38.1% of the patients and most of the patients failed to reach internationally set nutritional goals, it is suggested that more awareness concerning direct postoperative nutritional intake is needed in our surgical community.
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Affiliation(s)
- Rianne N. M. Hogenbirk
- Department of Surgery, University Medical Center Groningen, University of Groningen, 9713 GZ Groningen, The Netherlands
- Correspondence:
| | - Judith E. K. R. Hentzen
- Department of Surgery, University Medical Center Groningen, University of Groningen, 9713 GZ Groningen, The Netherlands
| | - Willemijn Y. van der Plas
- Department of Surgery, University Medical Center Groningen, University of Groningen, 9713 GZ Groningen, The Netherlands
- Department of Surgery, Amsterdam University Medical Center, 1105 AZ Amsterdam, The Netherlands
| | - Marjo J. E. Campmans-Kuijpers
- Department of Gastroenterology and Hepatology, University Medical Center Groningen, University of Groningen, 9713 GZ Groningen, The Netherlands
| | - Schelto Kruijff
- Department of Surgery, University Medical Center Groningen, University of Groningen, 9713 GZ Groningen, The Netherlands
| | - Joost M. Klaase
- Department of Surgery, University Medical Center Groningen, University of Groningen, 9713 GZ Groningen, The Netherlands
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17
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van Dijk SP, Coerts HI, Lončar I, Verhoef C, Kruijff S, Engelsman AF, Peeters RP, van Ginhoven TM. De-escalating follow-up after hemithyroidectomy for low-risk papillary thyroid microcarcinoma. European Journal of Surgical Oncology 2023. [DOI: 10.1016/j.ejso.2022.11.130] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/23/2023]
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18
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Hogenbirk RNM, van der Plas WY, Hentzen JEKR, van Wijk L, Wijma AG, Buis CI, Viddeleer AR, de Bock GH, van der Schans CP, van Dam GM, Kruijff S, Klaase JM. Postoperative muscle loss, protein intake, physical activity and outcome associations. Br J Surg 2023; 110:183-192. [PMID: 36394896 PMCID: PMC10364506 DOI: 10.1093/bjs/znac384] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/06/2022] [Accepted: 10/21/2022] [Indexed: 11/18/2022]
Abstract
BACKGROUND Skeletal muscle loss is often observed in intensive care patients. However, little is known about postoperative muscle loss, its associated risk factors, and its long-term consequences. The aim of this prospective observational study is to identify the incidence of and risk factors for surgery-related muscle loss (SRML) after major abdominal surgery, and to study the impact of SRML on fatigue and survival. METHODS Patients undergoing major abdominal cancer surgery were included in the MUSCLE POWER STUDY. Muscle thickness was measured by ultrasound in three muscles bilaterally (biceps brachii, rectus femoris, and vastus intermedius). SRML was defined as a decline of 10 per cent or more in diameter in at least one arm and leg muscle within 1 week postoperatively. Postoperative physical activity and nutritional intake were assessed using motility devices and nutritional diaries. Fatigue was measured with questionnaires and 1-year survival was assessed with Cox regression analysis. RESULTS A total of 173 patients (55 per cent male; mean (s.d.) age 64.3 (11.9) years) were included, 68 of whom patients (39 per cent) showed SRML. Preoperative weight loss and postoperative nutritional intake were statistically significantly associated with SRML in multivariable logistic regression analysis (P < 0.050). The combination of insufficient postoperative physical activity and nutritional intake had an odds ratio of 4.00 (95 per cent c.i. 1.03 to 15.47) of developing SRML (P = 0.045). No association with fatigue was observed. SRML was associated with decreased 1-year survival (hazard ratio 4.54, 95 per cent c.i. 1.42 to 14.58; P = 0.011). CONCLUSION SRML occurred in 39 per cent of patients after major abdominal cancer surgery, and was associated with a decreased 1-year survival.
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Affiliation(s)
- Rianne N M Hogenbirk
- Department of Surgery, University Medical Center Groningen, University of Groningen, Groningen, The Netherlands
| | - Willemijn Y van der Plas
- Department of Surgery, University Medical Center Groningen, University of Groningen, Groningen, The Netherlands
| | - Judith E K R Hentzen
- Department of Surgery, University Medical Center Groningen, University of Groningen, Groningen, The Netherlands
| | - Laura van Wijk
- Department of Surgery, University Medical Center Groningen, University of Groningen, Groningen, The Netherlands
| | - Allard G Wijma
- Department of Surgery, University Medical Center Groningen, University of Groningen, Groningen, The Netherlands
| | - Carlijn I Buis
- Department of Surgery, University Medical Center Groningen, University of Groningen, Groningen, The Netherlands
| | - Alain R Viddeleer
- Department of Radiology, University Medical Center Groningen, University of Groningen, Groningen, The Netherlands
| | - Geertruida H de Bock
- Department of Epidemiology, University Medical Center Groningen, University of Groningen, Groningen, The Netherlands
| | - Cees P van der Schans
- Department of Rehabilitation and Health Psychology, University Medical Center Groningen, University of Groningen, Groningen, The Netherlands.,Research Group Healthy Ageing, Allied Health Care and Nursing, Center of Expertise Healthy Ageing, Hanze University of Applied Sciences, Groningen, The Netherlands
| | - Gooitzen M van Dam
- Department of Nuclear Medicine and Molecular Imaging, University of Groningen, Groningen, The Netherlands.,TRACER Europe BV, Groningen, The Netherlands
| | - Schelto Kruijff
- Department of Surgery, University Medical Center Groningen, University of Groningen, Groningen, The Netherlands
| | - Joost M Klaase
- Department of Surgery, University Medical Center Groningen, University of Groningen, Groningen, The Netherlands
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19
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van Dijk SPJ, Coerts HI, Lončar I, Verhoef C, Kruijff S, Engelsman AF, Peeters RP, van Ginhoven TM. Deescalating Follow-up After Hemithyroidectomy for Patients With Low-risk Papillary Thyroid Microcarcinoma. JAMA Otolaryngol Head Neck Surg 2023; 149:42-48. [PMID: 36416850 PMCID: PMC9685547 DOI: 10.1001/jamaoto.2022.3686] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/09/2022] [Accepted: 09/27/2022] [Indexed: 11/24/2022]
Abstract
Importance Structural recurrent disease (RD) after surgical treatment of papillary thyroid microcarcinoma (mPTC) is rare. We hypothesized that the RD rate after hemithyroidectomy in low-risk patients with mPTC is low. Objective To assess the occurrence of RD in Dutch patients with mPTC who received surgical treatment according to the Dutch guidelines. Design, Setting, and Participants This nationwide retrospective cohort study included all patients who had undergone surgery with a diagnosis of cN0/cNx mPTC in the Netherlands between January 2000 and December 2020 were identified from the Netherlands Cancer Registry database. Patients with preoperative lymph node metastases were excluded. Two groups were defined: group 1 (incidental), mPTC in pathology report after thyroid surgery for another indication; and group 2 (nonincidental), patients with a preoperative highly suspect thyroid nodule (Bethesda 5) or proven mPTC (Bethesda 6). Dutch guidelines state that a hemithyroidectomy is sufficient in patients with unifocal, intrathyroidal mPTC. Main Outcomes and Measures The occurrence of RD in patients with low-risk mPTC after hemithyroidectomy. Results In total, 1636 patients with mPTC were included. Patients had a median (IQR) follow-up time of 71 (32-118) months. Median (IQR) age at time of diagnosis was 51 (41-61) years and 1292 (79.0%) were women. Overall, RD after initial treatment was seen in 25 patients (1.5%). The median (IQR) time to RD was 8.2 (3.6-16.5) months and 22 of the 25 (88%) patients developed RD within 2 years. Recurrent disease was not significantly different between both groups (group 1, n = 15 [1.3%]; group 2, n = 10 [2.1%]; difference, 0.8%; 95% CI, -0.5% to 2.5%). Of the 484 patients with nonincidental mPTC (group 2), 246 (50.8%) patients were treated with a hemithyroidectomy and follow-up in accordance with Dutch guidelines. Lymph node metastases were found in 1 of 246 (0.4%) patients after hemithyreoidectomy, and new mPTC in the contralateral thyroid was detected in 3 of 246 (1.2%) patients. Median (IQR) follow-up of this patient group was 37 (18-71) months. The 10-year probability of RD was 1.3% for patients without vascular invasion and 24.4% for patients with vascular invasion. Conclusions and Relevance This nationwide cohort study found that overall, RD after hemithyroidectomy for patients with low-risk mPTC was rare (<2%). Based on these results, it seems reasonable to deescalate follow-up of patients with low-risk mPTC without vascular invasion after hemithyroidectomy. From a health care perspective, deescalation of follow-up may contribute to increased sustainability and accessibility to health care, both large challenges for the future.
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Affiliation(s)
- Sam P. J. van Dijk
- Department of Surgical Oncology and Gastrointestinal Surgery, Erasmus MC Cancer Institute, Rotterdam, the Netherlands
| | - Hannelore I. Coerts
- Department of Surgical Oncology and Gastrointestinal Surgery, Erasmus MC Cancer Institute, Rotterdam, the Netherlands
| | - Ivona Lončar
- Department of Surgical Oncology and Gastrointestinal Surgery, Erasmus MC Cancer Institute, Rotterdam, the Netherlands
| | - Cornelis Verhoef
- Department of Surgical Oncology and Gastrointestinal Surgery, Erasmus MC Cancer Institute, Rotterdam, the Netherlands
| | - Schelto Kruijff
- Department of Surgical Oncology, University Medical Center Groningen, Groningen, the Netherlands
| | - Anton F. Engelsman
- Department of Surgery, Amsterdam UMC, location VUmc, Amsterdam, the Netherlands
| | - Robin P. Peeters
- Department of Internal Medicine, Erasmus Medical Center Rotterdam, Rotterdam, the Netherlands
| | - Tessa M. van Ginhoven
- Department of Surgical Oncology and Gastrointestinal Surgery, Erasmus MC Cancer Institute, Rotterdam, the Netherlands
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20
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de Graaff MR, Hogenbirk RNM, Janssen YF, Elfrink AKE, Liem RSL, Nienhuijs SW, de Vries JPPM, Elshof JW, Verdaasdonk E, Melenhorst J, van Westreenen HL, Besselink MGH, Ruurda JP, van Berge Henegouwen MI, Klaase JM, den Dulk M, van Heijl M, Hegeman JH, Braun J, Voeten DM, Würdemann FS, Warps ALK, Alberga AJ, Suurmeijer JA, Akpinar EO, Wolfhagen N, van den Boom AL, Bolster-van Eenennaam MJ, van Duijvendijk P, Heineman DJ, Wouters MWJM, Kruijff S, Koningswoud-Terhoeve CL, Belt E, van der Hoeven JAB, Marres GMH, Tozzi F, von Meyenfeldt EM, Coebergh RRJ, van den Braak, Huisman S, Rijken AM, Balm R, Daams F, Dickhoff C, Eshuis WJ, Gisbertz SS, Zandbergen HR, Hartemink KJ, Keessen SA, Kok NFM, Kuhlmann KFD, van Sandick JW, Veenhof AA, Wals A, van Diepen MS, Schoonderwoerd L, Stevens CT, Susa D, Bendermacher BLW, Olofsen N, van Himbeeck M, de Hingh IHJT, Janssen HJB, Luyer MDP, Nieuwenhuijzen GAP, Ramaekers M, Stacie R, Talsma AK, Tissink MW, Dolmans D, Berendsen R, Heisterkamp J, Jansen WA, de Kort-van Oudheusden M, Matthijsen RM, Grünhagen DJ, Lagarde SM, Maat APWM, van der Sluis PC, Waalboer RB, Brehm V, van Brussel JP, Morak M, Ponfoort ED, Sybrandy JEM, Klemm PL, Lastdrager W, Palamba HW, van Aalten SM, Tseng LNL, van der Bogt KEA, de Jong WJ, Oosterhuis JWA, Tummers Q, van der Wilden GM, Ooms S, Pasveer EH, Veger HTC, Molegraafb MJ, Nieuwenhuijs VB, Patijn GA, van der Veldt MEV, Boersma D, van Haelst STW, van Koeverden ID, Rots ML, Bonsing BA, Michiels N, Bijlstra OD, Braun J, Broekhuis D, Brummelaar HW, Hartgrink HH, Metselaar A, Mieog JSD, Schipper IB, de Steur WO, Fioole B, Terlouw EC, Biesmans C, Bosmans JWAM, Bouwense SAW, Clermonts SHEM, Coolsen MME, Mees BME, Schurink GWH, Duijff JW, van Gent T, de Nes LCF, Toonen D, Beverwijk MJ, van den Hoed E, Keizers B, Kelder W, Keller BPJA, Pultrum BB, van Rosum E, Wijma AG, van den Broek F, Leclercq WKG, Loos MJA, Sijmons JML, Vaes RHD, Vancoillie PJ, Consten ECJ, Jongen JMJ, Verheijen PM, van Weel V, Arts CHP, Jonker J, Murrmann-Boonstra G, Pierie JPEN, Swart J, van Duyn EB, Geelkerken RH, de Groot R, Moekotte NL, Stam A, Voshaar A, van Acker GJD, Bulder RMA, Swank DJ, Pereboom ITA, Hoffmann WH, Orsini M, Blok JJ, Lardenoije JHP, Reijne MMPJ, van Schaik P, Smeets L, van Sterkenburg SMM, Harlaar NJ, Mekke S, Verhaakt T, Cancrinus E, van Lammeren GW, Molenaar IQ, van Santvoort HC, Vos AWF, Schouten- van der Velden AP, Woensdregt K, Mooy-Vermaat SP, Scharn DM, Marsman HA, Rassam F, Halfwerk FR, Andela AJ, Buis CI, van Dam GM, ten Duis K, van Etten B, Lases L, Meerdink M, de Meijer VE, Pranger B, Ruiter S, Rurenga M, Wiersma A, Wijsmuller AR, Albers KI, van den Boezem PB, Klarenbeek B, van der Kolk BM, van Laarhoven CJHM, Matthée E, Peters N, Rosman C, Schroen AMA, Stommel MWJ, Verhagen AFTM, van der Vijver R, Warlé MC, de Wilt JHW, van den Berg JW, Bloemert T, de Borst GJ, van Hattum EH, Hazenberg CEVB, van Herwaarden JA, van Hillegerberg R, Kroese TE, Petri BJ, Toorop RJ, Aarts F, Janssen RJL, Janssen-Maessen SHP, Kool M, Verberght H, Moes DE, Smit JW, Wiersema AM, Vierhout BP, de Vos B, den Boer FC, Dekker NAM, Botman JMJ, van Det MJ, Folbert EC, de Jong E, Koenen JC, Kouwenhoven EA, Masselink I, Navis LH, Belgers HJ, Sosef MN, Stoot JHMB. Impact of the COVID-19 pandemic on surgical care in the Netherlands. Br J Surg 2022; 109:1282-1292. [PMID: 36811624 PMCID: PMC10364688 DOI: 10.1093/bjs/znac301] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/21/2022] [Revised: 05/14/2022] [Accepted: 07/31/2022] [Indexed: 11/13/2022]
Abstract
BACKGROUND The COVID-19 pandemic caused disruption of regular healthcare leading to reduced hospital attendances, repurposing of surgical facilities, and cancellation of cancer screening programmes. This study aimed to determine the impact of COVID-19 on surgical care in the Netherlands. METHODS A nationwide study was conducted in collaboration with the Dutch Institute for Clinical Auditing. Eight surgical audits were expanded with items regarding alterations in scheduling and treatment plans. Data on procedures performed in 2020 were compared with those from a historical cohort (2018-2019). Endpoints included total numbers of procedures performed and altered treatment plans. Secondary endpoints included complication, readmission, and mortality rates. RESULTS Some 12 154 procedures were performed in participating hospitals in 2020, representing a decrease of 13.6 per cent compared with 2018-2019. The largest reduction (29.2 per cent) was for non-cancer procedures during the first COVID-19 wave. Surgical treatment was postponed for 9.6 per cent of patients. Alterations in surgical treatment plans were observed in 1.7 per cent. Time from diagnosis to surgery decreased (to 28 days in 2020, from 34 days in 2019 and 36 days in 2018; P < 0.001). For cancer-related procedures, duration of hospital stay decreased (5 versus 6 days; P < 0.001). Audit-specific complications, readmission, and mortality rates were unchanged, but ICU admissions decreased (16.5 versus 16.8 per cent; P < 0.001). CONCLUSION The reduction in the number of surgical operations was greatest for those without cancer. Where surgery was undertaken, it appeared to be delivered safely, with similar complication and mortality rates, fewer admissions to ICU, and a shorter hospital stay.
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Affiliation(s)
- Michelle R de Graaff
- Department of Surgery, University Medical Centre Groningen, Groningen, the Netherlands.,Dutch Institute for Clinical Auditing, Scientific Bureau, Leiden, the Netherlands.,Department of Surgery, Maastricht University Medical Centre, Maastricht, the Netherlands.,Department of Surgery, Gelre Ziekenhuizen, Apeldoorn, the Netherlands
| | - Rianne N M Hogenbirk
- Department of Surgery, University Medical Centre Groningen, Groningen, the Netherlands
| | - Yester F Janssen
- Department of Surgery, University Medical Centre Groningen, Groningen, the Netherlands
| | - Arthur K E Elfrink
- Department of Surgery, Amsterdam UMC location Vrije Universiteit Amsterdam, Amsterdam, the Netherlands
| | - Ronald S L Liem
- Department of Surgery, Dutch Obesity Clinic, Gouda, the Netherlands.,Department of Surgery, Groene Hart Hospital, Gouda, the Netherlands
| | - Simon W Nienhuijs
- Department of Surgery, Catharina Hospital, Eindhoven, the Netherlands
| | | | - Jan-Willem Elshof
- Department of Surgery, VieCuri Medical Centre, Venlo, the Netherlands
| | - Emiel Verdaasdonk
- Department of Surgery, Jeroen Bosch Hospital, 's Hertogenbosch, the Netherlands
| | - Jarno Melenhorst
- Department of Surgery, Maastricht University Medical Centre, Maastricht, the Netherlands
| | | | - Marc G H Besselink
- Department of Surgery, Amsterdam UMC, Location University of Amsterdam, Amsterdam, the Netherlands.,Cancer Centre Amsterdam, Amsterdam, the Netherlands
| | - Jelle P Ruurda
- Department of Surgery, University Medical Centre Utrecht, Utrecht, the Netherlands
| | | | - Joost M Klaase
- Department of Surgery, University Medical Centre Groningen, Groningen, the Netherlands
| | - Marcel den Dulk
- Department of Surgery, Maastricht University Medical Centre, Maastricht, the Netherlands
| | - Mark van Heijl
- Department of Surgery, Diakonessenhuis, Utrecht, the Netherlands
| | - Johannes H Hegeman
- Department of Surgery, Ziekenhuisgroep Twente Almelo-Hengelo, Almelo, Hengelo, the Netherlands
| | - Jerry Braun
- Department of Surgery, Leiden University Medical Centre, Leiden, the Netherlands
| | - Daan M Voeten
- Dutch Institute for Clinical Auditing, Scientific Bureau, Leiden, the Netherlands.,Department of Surgery, Amsterdam UMC location Vrije Universiteit Amsterdam, Amsterdam, the Netherlands
| | - Franka S Würdemann
- Dutch Institute for Clinical Auditing, Scientific Bureau, Leiden, the Netherlands.,Department of Surgery, Leiden University Medical Centre, Leiden, the Netherlands
| | - Anne-Loes K Warps
- Dutch Institute for Clinical Auditing, Scientific Bureau, Leiden, the Netherlands.,Department of Surgery, Leiden University Medical Centre, Leiden, the Netherlands
| | - Anna J Alberga
- Dutch Institute for Clinical Auditing, Scientific Bureau, Leiden, the Netherlands.,Department of Vascular Surgery, Erasmus MC, Rotterdam, the Netherlands
| | - J Annelie Suurmeijer
- Dutch Institute for Clinical Auditing, Scientific Bureau, Leiden, the Netherlands.,Department of Surgery, Amsterdam UMC, Location University of Amsterdam, Amsterdam, the Netherlands.,Cancer Centre Amsterdam, Amsterdam, the Netherlands
| | - Erman O Akpinar
- Dutch Institute for Clinical Auditing, Scientific Bureau, Leiden, the Netherlands.,Department of Surgery, Maastricht University Medical Centre, Maastricht, the Netherlands
| | - Nienke Wolfhagen
- Dutch Institute for Clinical Auditing, Scientific Bureau, Leiden, the Netherlands.,Department of Surgery, Radboud University Medical Centre, Nijmegen, the Netherlands
| | | | | | | | - David J Heineman
- Department of Surgery, Amsterdam UMC location Vrije Universiteit Amsterdam, Amsterdam, the Netherlands
| | - Michel W J M Wouters
- Dutch Institute for Clinical Auditing, Scientific Bureau, Leiden, the Netherlands.,Department of Biomedical Data Sciences, Leiden University Medical Centre, Leiden, the Netherlands.,Department of Surgical Oncology, Netherlands Cancer Institute-Antoni van Leeuwenhoek, Amsterdam, the Netherlands
| | - Schelto Kruijff
- Department of Surgery, University Medical Centre Groningen, Groningen, the Netherlands
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Hogenbirk RNM, Viddeleer AR, Hentzen JEKR, van der Plas WY, van der Schans CP, de Bock GH, Kruijff S, Klaase JM. Thickness of Biceps and Quadriceps Femoris Muscle Measured Using Point-of-Care Ultrasound as a Representation of Total Skeletal Muscle Mass. J Clin Med 2022; 11:jcm11226606. [PMID: 36431082 PMCID: PMC9695176 DOI: 10.3390/jcm11226606] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/14/2022] [Revised: 11/01/2022] [Accepted: 11/02/2022] [Indexed: 11/09/2022] Open
Abstract
Generalized loss of muscle mass is associated with increased morbidity and mortality in patients with cancer. The gold standard to measure muscle mass is by using computed tomography (CT). However, the aim of this prospective observational cohort study was to determine whether point-of-care ultrasound (POCUS) could be an easy-to-use, bedside measurement alternative to evaluate muscle status. Patients scheduled for major abdominal cancer surgery with a recent preoperative CT scan available were included. POCUS was used to measure the muscle thickness of mm. biceps brachii, mm. recti femoris, and mm. vasti intermedius 1 day prior to surgery. The total skeletal muscle index (SMI) was derived from patients’ abdominal CT scan at the third lumbar level. Muscle force of the upper and lower extremities was measured using a handheld dynamometer. A total of 165 patients were included (55% male; 65 ± 12 years). All POCUS measurements of muscle thickness had a statistically significant correlation with CT-derived SMI (r ≥ 0.48; p < 0.001). The strongest correlation between POCUS muscle measurements and SMI was observed when all POCUS muscle groups were added together (r = 0.73; p < 0.001). Muscle strength had a stronger correlation with POCUS-measured muscle thickness than with CT-derived SMI. To conclude, this study indicated a strong correlation between combined muscle thickness measurements performed by POCUS- and CT-derived SMI and measurements of muscle strength. These results suggest that handheld ultrasound is a valid tool for the assessment of skeletal muscle status.
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Affiliation(s)
- Rianne N. M. Hogenbirk
- Department of Surgery, University Medical Center Groningen, University of Groningen, 9713 GZ Groningen, The Netherlands
- Correspondence:
| | - Alain R. Viddeleer
- Department of Radiology, University Medical Center Groningen, University of Groningen, 9713 GZ Groningen, The Netherlands
| | - Judith E. K. R. Hentzen
- Department of Surgery, University Medical Center Groningen, University of Groningen, 9713 GZ Groningen, The Netherlands
| | - Willemijn Y. van der Plas
- Department of Surgery, University Medical Center Groningen, University of Groningen, 9713 GZ Groningen, The Netherlands
- Department of Surgery, Amsterdam University Medical Center, 1105 AZ Amsterdam, The Netherlands
| | - Cees P. van der Schans
- Department of Rehabilitation, University Medical Center Groningen, University of Groningen, 9713 GZ Groningen, The Netherlands
- Research Group Healthy Ageing, Allied Health Care and Nursing, Center of Expertise Healthy Ageing, Hanze University of Applied Sciences, 9747 AS Groningen, The Netherlands
| | - Geertruida H. de Bock
- Department of Epidemiology, University Medical Center Groningen, University of Groningen, 9713 GZ Groningen, The Netherlands
| | - Schelto Kruijff
- Department of Surgery, University Medical Center Groningen, University of Groningen, 9713 GZ Groningen, The Netherlands
| | - Joost M. Klaase
- Department of Surgery, University Medical Center Groningen, University of Groningen, 9713 GZ Groningen, The Netherlands
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22
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van der Zant FA, Kooijman BJL, Hentzen JEKR, Helfrich W, Ploeg EM, van Ginkel RJ, van Leeuwen BL, Been LB, Klaase JM, Hemmer PHJ, van der Hilst CS, Kruijff S. Impact of cumulative complications on 1-year treatment-related healthcare costs in patients with colorectal peritoneal metastases undergoing cytoreductive surgery with hyperthermic intraperitoneal chemotherapy. BJS Open 2022; 6:6758035. [PMID: 36218348 PMCID: PMC9552551 DOI: 10.1093/bjsopen/zrac109] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/31/2022] [Revised: 07/27/2022] [Accepted: 08/01/2022] [Indexed: 11/12/2022] Open
Abstract
Background The aim of this study was to evaluate the impact of all minor and major complications on treatment-related healthcare costs in patients who undergo cytoreductive surgery (CRS) with hyperthermic intraperitoneal chemotherapy (HIPEC) for the treatment of colorectal peritoneal metastases (PMs). Method Patients with histologically proven colorectal PMs who underwent CRS + HIPEC from March 2006 to October 2019 in a tertiary referral centre were retrospectively identified from a prospectively maintained database. Patients were divided into six subgroups according to the severity of the complications, which were scored using the comprehensive complication index (CCI) (CCI 0–9.9, CCI 10–19.9, CCI 20–29.9, CCI 30–39.9, CCI 40–49.9, and CCI 50 or higher). Treatment-related healthcare costs up to 1 year after CRS + HIPEC were obtained from the financial department. Differences in costs and survival outcomes were compared using the chi-squared test and Kruskal–Wallis H test. Results A total of 142 patients were included (CCI 0–9.9, 53 patients; CCI 10–19.9, 0 patients; CCI 20–29.9, 45 patients; CCI 30–39.9, 14 patients; CCI 40–49, 9 patients; and CCI 50 or higher, 21 patients). Median (interquartile range) treatment-related healthcare costs increased significantly and exponentially for the CCI 30–39, CCI 40–49, and CCI 50 or higher groups (€48 993 (€44 262–€84 805); €57 167 (€43 047–€67 591); and €82 219 (€55 487–€145 314) respectively) compared with those for the CCI 0–9.9 and CCI 20–29.9 groups (€33 856 (€24 433–€40 779) and €40 621 (€31 501–€58 761) respectively, P < 0.010). Conclusion Treatment-related healthcare costs increase exponentially as more complications develop among patients who undergo CRS + HIPEC for the treatment of colorectal PMs. Anastomotic leakages after CRS + HIPEC lead to an increase of 295 per cent of treatment-related healthcare costs.
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Affiliation(s)
- Femke A van der Zant
- Department of Surgery, Division of Surgical Oncology, University Medical Center Groningen, University of Groningen, Groningen, The Netherlands
| | - Bob J L Kooijman
- Department of Surgery, Division of Surgical Oncology, University Medical Center Groningen, University of Groningen, Groningen, The Netherlands
| | | | - Wijnand Helfrich
- Department of Surgery, Laboratory for Translational Surgical Oncology, University Medical Center Groningen, University of Groningen, Groningen, The Netherlands
| | - Emily M Ploeg
- Department of Surgery, Laboratory for Translational Surgical Oncology, University Medical Center Groningen, University of Groningen, Groningen, The Netherlands
| | - Robert J van Ginkel
- Department of Surgery, Division of Surgical Oncology, University Medical Center Groningen, University of Groningen, Groningen, The Netherlands
| | - Barbara L van Leeuwen
- Department of Surgery, Division of Surgical Oncology, University Medical Center Groningen, University of Groningen, Groningen, The Netherlands
| | - Lukas B Been
- Department of Surgery, Division of Surgical Oncology, University Medical Center Groningen, University of Groningen, Groningen, The Netherlands
| | - Joost M Klaase
- Department of Surgery, Division of Hepatopancreatobiliary Surgery and Liver Transplantation, University Medical Center Groningen, University of Groningen, Groningen, The Netherlands
| | - Patrick H J Hemmer
- Department of Surgery, Division of Surgical Oncology, University Medical Center Groningen, University of Groningen, Groningen, The Netherlands
| | - Christian S van der Hilst
- Department of Surgery, Division of Hepatopancreatobiliary Surgery and Liver Transplantation, University Medical Center Groningen, University of Groningen, Groningen, The Netherlands
| | - Schelto Kruijff
- Correspondence to: Schelto Kruijff, Department of Surgical Oncology, University Medical Center Groningen, Hanzeplein 1, Groningen, The Netherlands (e-mail: )
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23
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Dijkstra *BM, Nonnekens J, Nagengast W, Kruijff S, Meersma GJ, den Dunnen WFA, Kruyt FAE, Groen RJM. Feasibility of bevacizumab-IRDye800CW as a tracer for fluorescence-guided meningioma surgery. J Neurosurg 2022; 138:1263-1272. [PMID: 36308486 DOI: 10.3171/2022.9.jns221036] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/03/2022] [Accepted: 09/09/2022] [Indexed: 11/06/2022]
Abstract
OBJECTIVE
Meningiomas are frequently occurring, often benign intracranial tumors. Molecular fluorescence can be used to intraoperatively identify residual meningioma tissue and optimize safe resection; however, currently no clinically approved agent is available for this specific tumor type. In meningiomas, vascular endothelial growth factor α (VEGFα) is upregulated, and this biomarker could be targeted with bevacizumab-IRDye800CW, a fluorescent agent that is already clinically applied for the resection of other tumors and neoplasms. Here, the authors investigated the feasibility of using bevacizumab-IRDye800CW to target VEGFα in a CH-157MN xenografted mouse model.
METHODS
Five mice with CH-157MN xenografts with volumes of 500 mm3 were administered intravenous bevacizumab-IRDye800CW. Mice were imaged in vivo at 24 hours, 48 hours, and 72 hours after injection with the FMT2500 fluorescence imaging system. Biodistribution was determined ex vivo using the Pearl fluorescent imager at 72 hours after injection. To mimic a clinical scenario, 2 animals underwent postmortem xenograft resection using both white-light and fluorescence guidance. Lastly, fresh and frozen human meningioma specimens were incubated ex vivo with bevacizumab-IRDye800CW, stained with anti-VEGFα, and microscopically examined.
RESULTS
In vivo, tumors fluoresced at all time points after tracer administration and background fluorescence decreased with time. Ex vivo analyses of tracer biodistribution showed the highest fluorescence in resected tumor tissue. Brain, skull, and muscle tissue showed very low fluorescence. Microscopically, fluorescence was observed in the cytoplasm and was correlated with VEGFα expression patterns. During postmortem surgery, both the tumor bulk and a small tumor remnant were detected. Bevacizumab-IRDye800CW bound specifically to all tested human meningioma samples, as indicated by a high fluorescent signal in the tumor bulk compared with the surrounding healthy dura mater.
CONCLUSIONS
Bevacizumab-IRDye800CW showed meningioma specificity, as illustrated by high VEGFα-mediated uptake in the meningioma xenograft mouse model. Small tumor lesions were detected using fluorescence guidance. Thus, the next step will be to assess the feasibility of using already available clinical grade bevacizumab-IRDye800CW to optimize meningioma resection in a human trial.
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Affiliation(s)
| | - Julie Nonnekens
- Department of Radiology and Nuclear Medicine, Department of Molecular Genetics, Erasmus MC Cancer Institute, Erasmus University Medical Center, Rotterdam, The Netherlands
| | | | | | | | - Wilfred F. A. den Dunnen
- Pathology and Medical Biology, University of Groningen, University Medical Center Groningen, The Netherlands; and
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24
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Noltes ME, Sondorp LH, Kracht L, Antunes IF, Wardenaar R, Kelder W, Kemper A, Szymanski W, Zandee WT, Jansen L, Brouwers AH, Coppes RP, Kruijff S. Patient-derived parathyroid organoids as a tracer and drug-screening application model. Stem Cell Reports 2022; 17:2518-2530. [PMID: 36306782 PMCID: PMC9669499 DOI: 10.1016/j.stemcr.2022.09.015] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/13/2022] [Revised: 09/29/2022] [Accepted: 09/29/2022] [Indexed: 11/06/2022] Open
Abstract
Parathyroid diseases are characterized by dysregulation of calcium homeostasis and alterations in parathyroid hormone (PTH) excretion. The development of parathyroid-targeted treatment and imaging tracers could benefit from in vitro models. Therefore, we aim to establish a patient-derived parathyroid organoid model representing human parathyroid tissue. Hyperplastic parathyroid tissue was dispersed, and parathyroid organoids (PTOs) were cultured and characterized. PTO-derived cells exhibited self-renewal over several passages, indicative of the presence of putative stem cells. Immunofluorescence and RNA sequencing confirmed that PTOs phenocopy hyperplastic parathyroid tissue. Exposure of PTOs to increasing calcium concentrations and PTH-lowering drugs resulted in significantly reduced PTH excretion. PTOs showed specific binding of the imaging tracers 11C-methionine and 99mTc-sestamibi. These data show the functionality of PTOs resembling the parathyroid. This PTO model recapitulates the originating tissue on gene and protein expression and functionality, paving the way for future physiology studies and therapeutic target and tracer discovery.
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25
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Boske ECE, Nienhuis PH, Hammer C, Jalving M, Kruyt FAE, de Vries J, Roodenburg JLN, Metman MJH, Kruijff S. The Summer School Oncology Groningen: Improving a Successful International Course by Refining the Old, Maintaining What's Good. J Cancer Educ 2022; 37:1228-1235. [PMID: 33523406 PMCID: PMC9399066 DOI: 10.1007/s13187-020-01944-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Accepted: 12/14/2020] [Indexed: 06/12/2023]
Abstract
For more than two decades, the International Summer School Oncology for Medical Students (ISOMS) has organized a biennial 2-week international summer school program in Groningen, the Netherlands. The summer school aims to increase knowledge about general cancer care, reduce fear of talking to cancer patients, and expose students to cancer-related problems. After 22 years, there was a need to improve the summer school format, the application procedure, and the intensity of the course. Here, we describe and evaluate these and additional changes that were made to the program. Several changes were made to the summer school format. The course was shortened from 10 days to a more intensive 7 days. The scientific program was integrated with the clinical program and students were taught scientific writing and presentation skills. The application process involved a personal video pitch. Importantly, the new summer school format was organized by a committee in which medical students had the lead. To evaluate the changes to the summer school, we conducted knowledge tests and regularly obtained feedback. There was a high overall student satisfaction, with a median score of a 9 out of 10. Students appreciated the interactive sessions and practicals and the scientific program, and were satisfied with the course level. All students had improved test scores. Improvement points highlighted the need for a less packed schedule and more lectures on basic oncology principles, or were related to specific lectures. The student-led innovation and adaptation of the ISOMS has been successful.
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Affiliation(s)
- E C E Boske
- Faculty of Medical Sciences, University of Groningen, Groningen, The Netherlands
| | - P H Nienhuis
- Faculty of Medical Sciences, University of Groningen, Groningen, The Netherlands
| | - C Hammer
- Department of Radiation Oncology, University Medical Center Groningen, University of Groningen, Groningen, The Netherlands
| | - M Jalving
- Department of Medical Oncology, University Medical Center Groningen, Groningen, The Netherlands
| | - F A E Kruyt
- Department of Medical Oncology, University Medical Center Groningen, Groningen, The Netherlands
| | - J de Vries
- Department of Surgery, University Medical Center Groningen, Groningen, The Netherlands
| | - J L N Roodenburg
- Department of Maxillofacial Surgery, University Medical Center Groningen, University of Groningen, Groningen, the Netherlands
| | - M J H Metman
- Department of Surgical Oncology, University Medical Center Groningen, Groningen, The Netherlands
| | - S Kruijff
- Department of Surgical Oncology, University Medical Center Groningen, Groningen, The Netherlands.
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26
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Brescia MDG, Rodrigues KC, d’Alessandro AF, Alves Filho W, van der Plas WY, Kruijff S, Arap SS, Toledo SPDA, Montenegro FLDM, Lourenço DM. Impact of parathyroidectomy on quality of life in multiple endocrine neoplasia type 1. Endocr Connect 2022; 11:EC-22-0021. [PMID: 35583183 PMCID: PMC9254320 DOI: 10.1530/ec-22-0021] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/04/2022] [Accepted: 05/18/2022] [Indexed: 11/26/2022]
Abstract
BACKGROUND Potential influences of parathyroidectomy (PTx) on the quality of life (QoL) in multiple endocrine neoplasia type 1-related primary hyperparathyroidism (HPT/MEN1) are unknown. METHOD Short Form 36 Health Survey Questionnaire was prospectively applied to 30 HPT/MEN1 patients submitted to PTx (20, subtotal; 10, total with autograft) before, 6 and 12 months after surgery. Parameters that were analyzed included QoL, age, HPT-related symptoms, general pain, comorbidities, biochemical/hormonal response, PTx type and parathyroid volume. RESULTS Asymptomatic patients were younger (30 vs 38 years; P = 0.04) and presented higher QoL scores than symptomatic ones: Physical Component Summary score (PCS) 92.5 vs 61.2, P = 0.0051; Mental Component Summary score (MCS) 82.0 vs 56.0, P = 0.04. In both groups, QoL remained stable 1 year after PTx, independently of the number of comorbidities. Preoperative general pain was negatively correlated with PCS (r = -0.60, P = 0.0004) and MCS (r = -0.57, P = 0.0009). Also, moderate/intense pain was progressively (6/12 months) more frequent in cases developing hypoparathyroidism. The PTx type and hypoparathyroidism did not affect the QoL at 12 months although remnant parathyroid tissue volume did have a positive correlation (P = 0.0490; r = 0.3625) to PCS 12 months after surgery. Patients with one to two comorbidities had as pre-PTx PCS (P = 0.0015) as 12 months and post-PTx PCS (P = 0.0031) and MCS (P = 0.0365) better than patients with three to four comorbidities. CONCLUSION A variable QoL profile was underscored in HPT/MEN1 reflecting multiple factors associated with this complex disorder as comorbidities, advanced age at PTx and presence of preoperative symptoms or of general pain perception. Our data encourage the early indication of PTx in HPT/MEN1 by providing known metabolic benefits to target organs and avoiding potential negative impact on QoL.
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Affiliation(s)
- Marília D’Elboux Guimarães Brescia
- Endocrine Genetics Unit (LIM-25), Endocrinology Division, University of São Paulo School of Medicine (FMUSP), Faculdade de Medicina da Universidade de São Paulo (FMUSP), Hospital das Clinicas (HCFMUSP), São Paulo, São Paulo, Brazil
- Parathyroid Unit – LIM-28, Laboratório de Cirurgia de Cabeça e Pescoço, Division of Head and Neck Surgery, Department of Surgery, Hospital das Clinicas (HCFMUSP), University of São Paulo School of Medicine (FMUSP), Faculdade de Medicina, Universidade de São Paulo, São Paulo, São Paulo, Brazil
- Correspondence should be addressed to M D G Brescia:
| | - Karine Candido Rodrigues
- Endocrine Genetics Unit (LIM-25), Endocrinology Division, University of São Paulo School of Medicine (FMUSP), Faculdade de Medicina da Universidade de São Paulo (FMUSP), Hospital das Clinicas (HCFMUSP), São Paulo, São Paulo, Brazil
- Endocrine Oncology Division, Institute of Cancer of the State of São Paulo (ICESP), University of São Paulo School of Medicine (FMUSP), Faculdade de Medicina da Universidade de São Paulo (FMUSP), São Paulo, São Paulo, Brazil
| | - André Fernandes d’Alessandro
- Parathyroid Unit – LIM-28, Laboratório de Cirurgia de Cabeça e Pescoço, Division of Head and Neck Surgery, Department of Surgery, Hospital das Clinicas (HCFMUSP), University of São Paulo School of Medicine (FMUSP), Faculdade de Medicina, Universidade de São Paulo, São Paulo, São Paulo, Brazil
| | - Wellington Alves Filho
- Department of Surgery, Walter Cantidio University Hospital, Federal University of Ceara School of Medicine (FAMED-UFC), Fortaleza, Brazil
| | - Willemijn Y van der Plas
- Department of Surgery, University Medical Center Groningen, University of Groningen, Groningen, The Netherlands
| | - Schelto Kruijff
- Department of Surgery, University Medical Center Groningen, University of Groningen, Groningen, The Netherlands
| | - Sergio Samir Arap
- Parathyroid Unit – LIM-28, Laboratório de Cirurgia de Cabeça e Pescoço, Division of Head and Neck Surgery, Department of Surgery, Hospital das Clinicas (HCFMUSP), University of São Paulo School of Medicine (FMUSP), Faculdade de Medicina, Universidade de São Paulo, São Paulo, São Paulo, Brazil
| | - Sergio Pereira de Almeida Toledo
- Endocrine Genetics Unit (LIM-25), Endocrinology Division, University of São Paulo School of Medicine (FMUSP), Faculdade de Medicina da Universidade de São Paulo (FMUSP), Hospital das Clinicas (HCFMUSP), São Paulo, São Paulo, Brazil
| | - Fábio Luiz de Menezes Montenegro
- Parathyroid Unit – LIM-28, Laboratório de Cirurgia de Cabeça e Pescoço, Division of Head and Neck Surgery, Department of Surgery, Hospital das Clinicas (HCFMUSP), University of São Paulo School of Medicine (FMUSP), Faculdade de Medicina, Universidade de São Paulo, São Paulo, São Paulo, Brazil
| | - Delmar Muniz Lourenço
- Endocrine Genetics Unit (LIM-25), Endocrinology Division, University of São Paulo School of Medicine (FMUSP), Faculdade de Medicina da Universidade de São Paulo (FMUSP), Hospital das Clinicas (HCFMUSP), São Paulo, São Paulo, Brazil
- Endocrine Oncology Division, Institute of Cancer of the State of São Paulo (ICESP), University of São Paulo School of Medicine (FMUSP), Faculdade de Medicina da Universidade de São Paulo (FMUSP), São Paulo, São Paulo, Brazil
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27
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Voskuil FJ, Vonk J, van der Vegt B, Kruijff S, Ntziachristos V, van der Zaag PJ, Witjes MJH, van Dam GM. Intraoperative imaging in pathology-assisted surgery. Nat Biomed Eng 2022; 6:503-514. [PMID: 34750537 DOI: 10.1038/s41551-021-00808-8] [Citation(s) in RCA: 13] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/01/2019] [Accepted: 06/17/2021] [Indexed: 12/12/2022]
Abstract
The pathological assessment of surgical specimens during surgery can reduce the incidence of positive resection margins, which otherwise can result in additional surgeries or aggressive therapeutic regimens. To improve patient outcomes, intraoperative spectroscopic, fluorescence-based, structural, optoacoustic and radiological imaging techniques are being tested on freshly excised tissue. The specific clinical setting and tumour type largely determine whether endogenous or exogenous contrast is to be detected and whether the tumour specificity of the detected biomarker, image resolution, image-acquisition times or penetration depth are to be prioritized. In this Perspective, we describe current clinical standards for intraoperative tissue analysis and discuss how intraoperative imaging is being implemented. We also discuss potential implementations of intraoperative pathology-assisted surgery for clinical decision-making.
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Affiliation(s)
- Floris J Voskuil
- Department of Oral and Maxillofacial Surgery, University of Groningen, University Medical Center Groningen, Groningen, The Netherlands.,Department of Pathology and Medical Biology, University of Groningen, University Medical Center Groningen, Groningen, The Netherlands
| | - Jasper Vonk
- Department of Oral and Maxillofacial Surgery, University of Groningen, University Medical Center Groningen, Groningen, The Netherlands
| | - Bert van der Vegt
- Department of Pathology and Medical Biology, University of Groningen, University Medical Center Groningen, Groningen, The Netherlands
| | - Schelto Kruijff
- Department of Surgery, University of Groningen, University Medical Center Groningen, Groningen, The Netherlands.,Department of Nuclear Medicine and Molecular Imaging, University of Groningen, University Medical Center Groningen, Groningen, The Netherlands
| | - Vasilis Ntziachristos
- Chair for Biological Imaging, Center for Translational Cancer Research, Technical University of Munich, Klinikum rechts der Isar, Munich, Germany.,Institute of Biological and Medical Imaging, Helmholtz Zentrum München, Neuherberg, Germany
| | - Pieter J van der Zaag
- Phillips Research Laboratories, Eindhoven, The Netherlands.,Department of Nuclear Medicine and Molecular Imaging, University of Groningen, University Medical Center Groningen, Groningen, The Netherlands.,Molecular Biophysics, Zernike Institute, University of Groningen, Groningen, The Netherlands
| | - Max J H Witjes
- Department of Oral and Maxillofacial Surgery, University of Groningen, University Medical Center Groningen, Groningen, The Netherlands
| | - Gooitzen M van Dam
- Department of Nuclear Medicine and Molecular Imaging, University of Groningen, University Medical Center Groningen, Groningen, The Netherlands. .,AxelaRx/TRACER BV, Groningen, The Netherlands.
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28
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Heeman W, Vonk J, Ntziachristos V, Pogue B, Dierckx RA, Kruijff S, van Dam GM. A guideline for clinicians performing clinical studies with fluorescence imaging. J Nucl Med 2022; 63:640-645. [PMID: 35145017 DOI: 10.2967/jnumed.121.262975] [Citation(s) in RCA: 10] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/28/2021] [Revised: 01/14/2022] [Indexed: 11/16/2022] Open
Abstract
Fluorescence imaging is an emerging imaging technique that has shown many benefits for clinical care. Currently, the field is in rapid clinical translation, and an unprecedented number of clinical trials are performed. Clinicians are inundated with numerous opportunities and combinations of different imaging modalities. To streamline this process, a multidisciplinary approach is needed with drug discovery, software and systems engineering, and translational medicine. Here, we discuss the main constituents of a uniform fluorescence imaging protocol to match the clinical need and ensure consistent study designs and reliable data collection in clinical trials. In an era in which the potential of fluorescence imaging has become evident, consistent conduct of studies, data analysis, and data interpretation are essential for implementation into standard of care.
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Affiliation(s)
- Wido Heeman
- University of Groningen, Faculty Campus Fryslân
| | - Jasper Vonk
- University Medical Center Groningen, University of Groningen, Netherlands
| | - Vasilis Ntziachristos
- Center for Translational Cancer Research (TranslaTUM), Technical University of Munich
| | - Brian Pogue
- Thayer School of Engineering & Department of Surgery, Dartmouth College
| | - Rudi A Dierckx
- Medical Imaging Center, University Medical Center Groningen, University of Groningen
| | - Schelto Kruijff
- University Medical Center Groningen, University of Groningen, Netherlands
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29
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Jonker P, Metman M, Sondorp L, Sywak M, Gill A, Jansen L, Links T, van Diest P, van Ginhoven T, Löwik C, Nguyen A, Coppes R, Robinson D, van Dam G, van Hemel B, Fehrmann R, Kruijff S. MET Targeted Molecular Fluorescence Guided Imaging and Quantitative Spectroscopy for the Detection of Lymph Node Metastases in Papillary Thyroid Cancer. European Journal of Surgical Oncology 2022. [DOI: 10.1016/j.ejso.2021.12.411] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
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Noltes ME, Cottrell J, Madani A, Rotstein L, Gomez-Hernandez K, Devon K, Boggild MK, Goldstein DP, Wong EM, Brouwers AH, Kruijff S, Eskander A, Monteiro E, Pasternak JD. Quality Indicators for the Diagnosis and Management of Primary Hyperparathyroidism. JAMA Otolaryngol Head Neck Surg 2022; 148:209-219. [PMID: 34989783 DOI: 10.1001/jamaoto.2021.3858] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022]
Abstract
Importance Primary hyperparathyroidism (pHPT) is a common endocrine disorder with many diagnostic and treatment challenges. Despite high-quality guidelines, care is variable, and there is low adherence to evidence-based treatment pathways. Objective To develop quality indicators (QIs) to evaluate the diagnosis and treatment of pHPT that could measure, improve, and optimize quality of care and outcomes for patients with this disease. Design, Setting, and Participants This quality improvement study used a guideline-based approach to develop QIs that were ranked by a Canadian 9-member expert panel of 3 endocrinologists, 3 otolaryngologists, and 3 endocrine surgeons. Data were analyzed between September 2020 and May 2021. Main Outcomes and Measures Candidate indicators (CIs) were extracted from published primary hyperparathyroidism guidelines and summarized with supporting evidence. The 9-member expert panel rated each CI on the validity, reliability, and feasibility of measurement. Final QIs were selected from CIs using the modified RAND-University of California, Los Angeles appropriateness methodology. All panelists were then asked to rank the top 5 QIs for primary, endocrine, and surgical care. Results Forty QIs were identified and evaluated by the expert panel. After 2 rounds of evaluations and discussion, a total of 18 QIs were selected as appropriate measures of high-quality care. The top 5 QIs for primary, endocrine, and surgical care were selected following panelist rankings. Conclusions and Relevance This quality improvement study proposes 18 QIs for the diagnosis and management of pHPT. Furthermore, the top 5 QIs applicable to physicians commonly treating pHPT, including general physicians, internists, endocrinologists, otolaryngologists, and surgeons, are included. These QIs not only assess the quality of care to guide the process of improvement, but also can assess the implementation of evidence-based guideline recommendations. Using these indicators in clinical practice and health system registries can improve quality and cost-effectiveness of care for patients with pHPT.
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Affiliation(s)
- Milou E Noltes
- Department of Surgery, University Medical Center Groningen, University of Groningen, Groningen, the Netherlands.,Department of Nuclear Medicine and Molecular Imaging, University Medical Center Groningen, University of Groningen, Groningen, the Netherlands.,University Health Network, Department of Surgery, University of Toronto, Toronto, Ontario, Canada
| | - Justin Cottrell
- Department of Otolaryngology-Head and Neck Surgery, University of Toronto, Toronto, Ontario, Canada
| | - Amin Madani
- University Health Network, Department of Surgery, University of Toronto, Toronto, Ontario, Canada
| | - Lorne Rotstein
- University Health Network, Department of Surgery, University of Toronto, Toronto, Ontario, Canada
| | | | - Karen Devon
- University Health Network, Department of Surgery, University of Toronto, Toronto, Ontario, Canada.,Department of Surgery, Women's College Hospital, Toronto, Ontario, Canada.,Joint Centre for Bioethics, Dalla Lana School of Public Health, University of Toronto, Toronto, Ontario, Canada
| | - Miranda K Boggild
- Department of Medicine, University of Toronto, Toronto, Ontario, Canada
| | - David P Goldstein
- Department of Otolaryngology-Head and Neck Surgery, University of Toronto, Toronto, Ontario, Canada
| | - Evelyn M Wong
- University Health Network, Division of Endocrinology, Department of Medicine, University of Toronto, Toronto, Ontario, Canada.,LMC Diabetes & Endocrinology, Toronto, Ontario, Canada
| | - Adrienne H Brouwers
- Department of Nuclear Medicine and Molecular Imaging, University Medical Center Groningen, University of Groningen, Groningen, the Netherlands
| | - Schelto Kruijff
- Department of Surgery, University Medical Center Groningen, University of Groningen, Groningen, the Netherlands.,Department of Nuclear Medicine and Molecular Imaging, University Medical Center Groningen, University of Groningen, Groningen, the Netherlands
| | - Antoine Eskander
- Department of Otolaryngology-Head and Neck Surgery, University of Toronto, Toronto, Ontario, Canada
| | - Eric Monteiro
- Department of Otolaryngology-Head and Neck Surgery, University of Toronto, Toronto, Ontario, Canada
| | - Jesse D Pasternak
- University Health Network, Department of Surgery, University of Toronto, Toronto, Ontario, Canada
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Jutten E, Kruijff S, Francken AB, Lutke Holzik MF, van Leeuwen BL, van Westreenen HL, Wevers KP. OUP accepted manuscript. BJS Open 2022; 6:6526448. [PMID: 35143632 PMCID: PMC8830752 DOI: 10.1093/bjsopen/zrac016] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/23/2021] [Accepted: 01/12/2022] [Indexed: 11/25/2022] Open
Affiliation(s)
- E. Jutten
- Department of Surgery, Hospital group Twente, Zilvermeeuw 1, 7609 PP Almelo, The Netherlands
- Department of Surgery, University Medical Center Groningen, Hanzeplein 1, 9713 GZ Groningen, The Netherlands
| | - S. Kruijff
- Correspondence to: S. Kruijff, University Medical Center Groningen, Hanzeplein 1, 9713 GZ Groningen, The Netherlands (e-mail: )
| | - A. B. Francken
- Department of Surgery, Isala Zwolle, Dokter van Heesweg 2, 8025 AB Zwolle, The Netherlands
| | - M. F. Lutke Holzik
- Department of Surgery, Hospital group Twente, Zilvermeeuw 1, 7609 PP Almelo, The Netherlands
| | - B. L. van Leeuwen
- Department of Surgery, University Medical Center Groningen, Hanzeplein 1, 9713 GZ Groningen, The Netherlands
| | - H. L. van Westreenen
- Department of Surgery, Isala Zwolle, Dokter van Heesweg 2, 8025 AB Zwolle, The Netherlands
| | - K. P. Wevers
- Department of Surgery, Isala Zwolle, Dokter van Heesweg 2, 8025 AB Zwolle, The Netherlands
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Janssen YF, Feitsma EA, Boersma HH, Alleva DG, Lancaster TM, Sathiyaseelan T, Murikipudi S, Delpero AR, Scully MM, Ragupathy R, Kotha S, Haworth JR, Shah NJ, Rao V, Nagre S, Ronca SE, Green FM, Aminetzah A, Sollie F, Kruijff S, Brom M, van Dam GM, Zion TC. Phase I interim results of a phase I/II study of the IgG-Fc fusion COVID-19 subunit vaccine, AKS-452. Vaccine 2022; 40:1253-1260. [PMID: 35115195 PMCID: PMC8802018 DOI: 10.1016/j.vaccine.2022.01.043] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/15/2021] [Revised: 01/13/2022] [Accepted: 01/20/2022] [Indexed: 02/06/2023]
Abstract
To address the coronavirus disease 2019 (COVID-19) pandemic caused by infection with severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2), a recombinant subunit vaccine, AKS-452, is being developed comprising an Fc fusion protein of the SARS-CoV-2 viral spike protein receptor binding domain (SP/RBD) antigen and human IgG1 Fc emulsified in the water-in-oil adjuvant, Montanide™ ISA 720. A single-center, open-label, phase I dose-finding and safety study was conducted with 60 healthy adults (18–65 years) receiving one or two doses 28 days apart of 22.5 µg, 45 µg, or 90 µg of AKS-452 (i.e., six cohorts, N = 10 subjects per cohort). Primary endpoints were safety and reactogenicity and secondary endpoints were immunogenicity assessments. No AEs ≥ 3, no SAEs attributable to AKS-452, and no SARS-CoV-2 viral infections occurred during the study. Seroconversion rates of anti-SARS-CoV-2 SP/RBD IgG titers in the 22.5, 45, and 90 µg cohorts at day 28 were 70%, 90%, and 100%, respectively, which all increased to 100% at day 56 (except 89% for the single-dose 22.5 µg cohort). All IgG titers were Th1-isotype skewed and efficiently bound mutant SP/RBD from several SARS-CoV-2 variants with strong neutralization potencies of live virus infection of cells (including alpha and delta variants). The favorable safety and immunogenicity profiles of this phase I study (ClinicalTrials.gov: NCT04681092) support phase II initiation of this room-temperature stable vaccine that can be rapidly and inexpensively manufactured to serve vaccination at a global scale without the need of a complex distribution or cold chain.
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Abstract
PURPOSE OF REVIEW Systemic treatment is the only therapeutic option for patients with progressive, metastatic medullary thyroid cancer (MTC). Since the discovery of the rearranged during transfection (RET) proto-oncogene (100% hereditary, 60-90% sporadic MTC), research has focused on finding effective systemic therapies to target this mutation. This review surveys recent findings. RECENT FINDINGS Multikinase inhibitors are systemic agents targeting angiogenesis, inhibiting growth of tumor cells and cells in the tumor environment and healthy endothelium. In the phase III EXAM and ZETA trials, cabozantinib and vandetanib showed progression-free survival benefit, without evidence of prolonged overall survival. Selpercatinib and pralsetinib are kinase inhibitors with high specificity for RET; phase I and II studies showed overall response rates of 73% and 71% in first line, and 69% and 60% in second line treatment, respectively. Although resistance mechanisms to mutation-driven therapy will be a challenge in the future, phase III studies are ongoing and neo-adjuvant therapy with selpercatinib is being studied. SUMMARY The development of selective RET-inhibitors has expanded the therapeutic arsenal to control tumor growth in progressive MTC, with fewer adverse effects than multikinase inhibitors. Future studies should confirm their effectiveness, study neo-adjuvant strategies, and tackle resistance to these inhibitors, ultimately to improve patient outcomes.
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Affiliation(s)
| | | | - Schelto Kruijff
- Department of Surgical Oncology, University Medical Center Groningen, Groningen, The Netherlands
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Metman MJH, Viëtor CL, Seinen AJ, Berends AMA, Hemmer PHJ, Kerstens MN, Feelders RA, Franssen GJH, van Ginhoven TM, Kruijff S. Outcomes after Surgical Treatment of Metastatic Disease in the Adrenal Gland; Valuable for the Patient? Cancers (Basel) 2021; 14:cancers14010156. [PMID: 35008320 PMCID: PMC8750225 DOI: 10.3390/cancers14010156] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/25/2021] [Revised: 12/09/2021] [Accepted: 12/25/2021] [Indexed: 02/07/2023] Open
Abstract
Simple Summary Adrenal glands are common dissemination sites for metastases of various solid tumors. The rapid development of new treatment strategies, such as targeted therapy and immunotherapy for different cancer types, has led to increased metastatic adrenalectomies. Therefore, clear communication between oncologists and adrenal gland specialists has become increasingly important to outweigh surgical risks versus oncological advantages of adrenalectomies in these patients. This study assesses trends in diagnosis, type of surgery, and short-term and long-term surgical outcomes of patients who underwent metastatic adrenalectomy. We included a total of 95 patients with an adrenal metastasis of non-adrenal primary tumors, most often colorectal or lung cancer, who underwent (minimal invasive) adrenalectomy. 37.9% of the patients experienced one or more complications after adrenalectomy. Within our patient cohort, an increased demand for metastatic adrenalectomy was observed over the past years, which might be associated with the rise of targeted- and immunotherapy. Our data aims to assist multidisciplinary teams with weighing the pros and cons of resection of the metastasized adrenal gland of cancer patients. Abstract The adrenal glands are common dissemination sites for metastasis of various solid tumors. Surgical treatment is often recommended because targeted therapies and immunotherapy are frequently ineffective for adrenal metastasis. We report the experience with short-term and long-term surgical outcomes of patients undergoing surgery for adrenal metastasis in two hospitals. A retrospective, multicenter study was performed to analyze patient characteristics, tumor-related data, perioperative outcomes, and oncological outcomes. Postoperative complications that occurred within 30 days were scored according to the Clavien Dindo classification. Metastatic adrenalectomy was performed in 95 patients. We observed an increase from an average of 3 metastatic adrenalectomies per year between 2001–2005 to 10 between 2015–2019. The most frequent underlying malignancies were colorectal and lung cancer. In 55.8%, minimal invasive adrenalectomy was performed, including six conversions to open surgery. A total of 37.9% of patients had postoperative complications, of which ileus or gastroparesis, wound problems, pneumonia, and heart arrhythmias were the most occurring complications. Improved cancer care has led to an increased demand for metastatic adrenalectomy over the past years. Complication rates of 37.9% are significant and cannot be neglected. Therefore, multidisciplinary teams should weigh the decision to perform metastatic adrenalectomy for each patient individually, taking into account the drawbacks of the described morbidity versus the potential benefits.
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Affiliation(s)
- Madelon J. H. Metman
- Department of Surgical Oncology, University of Groningen, University Medical Center Groningen, Hanzeplein 1, 9713 GZ Groningen, The Netherlands; (M.J.H.M.); (A.J.S.); (P.H.J.H.)
| | - Charlotte L. Viëtor
- Department of Surgical Oncology and Gastrointestinal Surgery, Erasmus MC Cancer Institute, Doctor Molewaterplein 40, 3015 GD Rotterdam, The Netherlands; (C.L.V.); (G.J.H.F.); (T.M.v.G.)
| | - Auke J. Seinen
- Department of Surgical Oncology, University of Groningen, University Medical Center Groningen, Hanzeplein 1, 9713 GZ Groningen, The Netherlands; (M.J.H.M.); (A.J.S.); (P.H.J.H.)
| | - Annika M. A. Berends
- Department of Endocrinology, University of Groningen, University Medical Center Groningen, Hanzeplein 1, 9713 GZ Groningen, The Netherlands; (A.M.A.B.); (M.N.K.)
| | - Patrick H. J. Hemmer
- Department of Surgical Oncology, University of Groningen, University Medical Center Groningen, Hanzeplein 1, 9713 GZ Groningen, The Netherlands; (M.J.H.M.); (A.J.S.); (P.H.J.H.)
| | - Michiel N. Kerstens
- Department of Endocrinology, University of Groningen, University Medical Center Groningen, Hanzeplein 1, 9713 GZ Groningen, The Netherlands; (A.M.A.B.); (M.N.K.)
| | - Richard A. Feelders
- Department of Endocrinology, Erasmus MC Cancer Institute, Doctor Molewaterplein 40, 3015 GD Rotterdam, The Netherlands;
| | - Gaston J. H. Franssen
- Department of Surgical Oncology and Gastrointestinal Surgery, Erasmus MC Cancer Institute, Doctor Molewaterplein 40, 3015 GD Rotterdam, The Netherlands; (C.L.V.); (G.J.H.F.); (T.M.v.G.)
| | - Tessa M. van Ginhoven
- Department of Surgical Oncology and Gastrointestinal Surgery, Erasmus MC Cancer Institute, Doctor Molewaterplein 40, 3015 GD Rotterdam, The Netherlands; (C.L.V.); (G.J.H.F.); (T.M.v.G.)
| | - Schelto Kruijff
- Department of Surgical Oncology, University of Groningen, University Medical Center Groningen, Hanzeplein 1, 9713 GZ Groningen, The Netherlands; (M.J.H.M.); (A.J.S.); (P.H.J.H.)
- Correspondence:
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Linnemann RJA, Kooijman BJL, van der Hilst CS, Sprakel J, Buis CI, Kruijff S, Klaase JM. The Costs of Complications and Unplanned Readmissions after Pancreatoduodenectomy for Pancreatic and Periampullary Tumors: Results from a Single Academic Center. Cancers (Basel) 2021; 13:cancers13246271. [PMID: 34944890 PMCID: PMC8699101 DOI: 10.3390/cancers13246271] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/04/2021] [Revised: 11/29/2021] [Accepted: 12/07/2021] [Indexed: 11/26/2022] Open
Abstract
Simple Summary Complications lead to unplanned readmissions (UR) and are reported to be associated with a two- to threefold increase in hospital admission costs. Since healthcare costs are increasing worldwide, cost containment is the major challenge for future healthcare. In the literature, there are only a few studies that analysed hospital costs after pancreatoduodenectomy (PD). In this study, we aimed to create an understanding of the costs of complications and UR in patients who underwent a PD. Abstract Background/Objectives: Complications after pancreatoduodenectomy (PD) lead to unplanned readmissions (UR), with a two- to threefold increase in admission costs. In this study, we aimed to create an understanding of the costs of complications and UR in this patient group. Furthermore, we aimed to generate a detailed cost overview that can be used to build a theoretical model to calculate the cost efficacy for prehabilitation. Methods: A retrospective cohort analysis was performed using the Dutch Pancreatic Cancer Audit (DPCA) database of patients who underwent a PD at our institute between 2013 and 2017. The total costs of the index hospital admission and UR related to the PD were collected. Results: Of the 160 patients; 35 patients (22%) had an uncomplicated course; 87 patients (54%) had minor complications, and 38 patients (24%) had severe complications. Median costs for an uncomplicated course were EUR 25.682, and for a complicated course, EUR 32.958 (p = 0.001). The median costs for minor complications were EUR 30.316, and for major complications, EUR 42.664 (p = 0.001). Costs were related to the Comprehensive Complication Index (CCI). The median costs of patients with one or more UR were EUR 41.199. Conclusions: Complications after PD led to a EUR 4.634–EUR 16.982 (18–66%) increase in hospital costs. A UR led to a cost increase of EUR 12.567 (44%). Since hospital costs are directly related to the CCI, reduction in complications will lead to cost-effectiveness.
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Affiliation(s)
- Ralph J. A. Linnemann
- Department of Hepato-Pancreato-Billiary Surgery and Liver Transplantation, University Medical Center Groningen, University of Groningen, 9713 GZ Groningen, The Netherlands; (R.J.A.L.); (B.J.L.K.); (J.S.); (C.I.B.)
| | - Bob J. L. Kooijman
- Department of Hepato-Pancreato-Billiary Surgery and Liver Transplantation, University Medical Center Groningen, University of Groningen, 9713 GZ Groningen, The Netherlands; (R.J.A.L.); (B.J.L.K.); (J.S.); (C.I.B.)
| | - Christian S. van der Hilst
- Department of Strategic Analytics, University Medical Center Groningen, University of Groningen, 9713 GZ Groningen, The Netherlands;
| | - Joost Sprakel
- Department of Hepato-Pancreato-Billiary Surgery and Liver Transplantation, University Medical Center Groningen, University of Groningen, 9713 GZ Groningen, The Netherlands; (R.J.A.L.); (B.J.L.K.); (J.S.); (C.I.B.)
| | - Carlijn I. Buis
- Department of Hepato-Pancreato-Billiary Surgery and Liver Transplantation, University Medical Center Groningen, University of Groningen, 9713 GZ Groningen, The Netherlands; (R.J.A.L.); (B.J.L.K.); (J.S.); (C.I.B.)
| | - Schelto Kruijff
- Department of Surgical Oncology, University Medical Center Groningen, University of Groningen, 9713 GZ Groningen, The Netherlands;
| | - Joost M. Klaase
- Department of Hepato-Pancreato-Billiary Surgery and Liver Transplantation, University Medical Center Groningen, University of Groningen, 9713 GZ Groningen, The Netherlands; (R.J.A.L.); (B.J.L.K.); (J.S.); (C.I.B.)
- Correspondence:
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Bates MJ, Kwaitana D, van der Plas WY, Benjamens S, Kruijff S. Palliative cancer care in Malawi. Eur J Surg Oncol 2021; 48:472. [PMID: 34801320 DOI: 10.1016/j.ejso.2021.11.006] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/29/2021] [Accepted: 11/03/2021] [Indexed: 11/26/2022] Open
Affiliation(s)
- Maya Jane Bates
- Department of Family Medicine, Kamuzu University of Health Sciences, Malawi
| | - Duncan Kwaitana
- Department of Family Medicine, Kamuzu University of Health Sciences, Malawi
| | - Willemijn Y van der Plas
- Department of Surgery, University Medical Center Groningen, Groningen, the Netherlands; Nkhoma Mission Hospital, Nkhoma, Malawi
| | - Stan Benjamens
- Department of Surgery, University Medical Center Groningen, Groningen, the Netherlands; Nkhoma Mission Hospital, Nkhoma, Malawi
| | - Schelto Kruijff
- Department of Surgery, University Medical Center Groningen, Groningen, the Netherlands; Nkhoma Mission Hospital, Nkhoma, Malawi.
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Jutten E, Kruijff S, Francken AB, Lutke Holzik MF, van Leeuwen BL, van Westreenen HL, Wevers KP. Surgical treatment of anorectal melanoma: a systematic review and meta-analysis. BJS Open 2021; 5:6446962. [PMID: 34958352 PMCID: PMC8675246 DOI: 10.1093/bjsopen/zrab107] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/26/2021] [Accepted: 09/21/2021] [Indexed: 12/12/2022] Open
Abstract
Background Anorectal melanoma is a rare neoplasm with a poor prognosis. The surgical approaches for anorectal melanoma can be categorized into local excision (procedures without lymph node removal and preservation of the rectum) and extensive resection (procedures with rectum and pararectal lymph node removal). The aim of this systematic review and meta-analysis was to compare the survival of patients who underwent extensive resection with that of patients who underwent local excision, stratifying patients according to tumour stage. Methods A literature review was performed according to PRISMA guidelines by searching MEDLINE/PubMed for manuscripts published until March 2021. Studies comparing survival outcomes in patients with anorectal melanoma who underwent local excision versus extensive resection were screened for eligibility. Meta-analysis was performed for overall survival after the different surgical approaches, stratified by tumour stage. Results There were 347 studiesidentified of which 34 were included for meta-analysis with a total of 1858 patients. There was no significant difference in overall survival between the surgical approaches in patients per stage (stage I odds ratio 1.30 (95 per cent c.i. 0.62 to 2.72, P = 0.49); stage II odds ratio 1.61 (95 per cent c.i. 0.62 to 4.18, P = 0.33); stage I–III odds ratio 1.19 (95 per cent c.i. 0.83 to 1.70, P = 0.35). Subgroup analyses were conducted for the time intervals (<2000, 2001–2010 and 2011–2021) and for continent of study origin. Subgroup analysis for time interval and continent of origin also showed no statistically significant differences in overall survival. Conclusion No significant survival benefit exists for patients with anorectal melanoma treated with local excision or extensive resection, independent of tumour stage.
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Affiliation(s)
- Esther Jutten
- Department of Surgery, Hospital Group Twente, Zilvermeeuw 1, 7609 PP Almelo, the Netherlands.,Department of Surgery, University Medical Centre Groningen, Hanzeplein 1, 9713 GZ Groningen, the Netherlands
| | - Schelto Kruijff
- Department of Surgery, University Medical Centre Groningen, Hanzeplein 1, 9713 GZ Groningen, the Netherlands
| | - Anne Brecht Francken
- Department of Surgery, Isala Zwolle, Dokter van Heesweg 2, 8025 AB Zwolle, the Netherlands
| | - Martijn F Lutke Holzik
- Department of Surgery, Hospital Group Twente, Zilvermeeuw 1, 7609 PP Almelo, the Netherlands
| | - Barbara L van Leeuwen
- Department of Surgery, University Medical Centre Groningen, Hanzeplein 1, 9713 GZ Groningen, the Netherlands
| | - Henderik L van Westreenen
- Department of Surgery, University Medical Centre Groningen, Hanzeplein 1, 9713 GZ Groningen, the Netherlands.,Department of Surgery, Isala Zwolle, Dokter van Heesweg 2, 8025 AB Zwolle, the Netherlands
| | - Kevin P Wevers
- Department of Surgery, Isala Zwolle, Dokter van Heesweg 2, 8025 AB Zwolle, the Netherlands
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Loncar I, Noltes ME, Dickhoff C, Engelsman AF, Schepers A, Vriens MR, Bouvy ND, Kruijff S, van Ginhoven TM. Persistent Postthyroidectomy Hypoparathyroidism in the Netherlands. JAMA Otolaryngol Head Neck Surg 2021; 147:959-965. [PMID: 34617977 DOI: 10.1001/jamaoto.2021.2475] [Citation(s) in RCA: 14] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022]
Abstract
Importance Hypoparathyroidism is one of the most common complications after total or completion thyroidectomy. The reported incidence rate of hypoparathyroidism in the literature is highly variable. Data that provide a better understanding of the magnitude of this postoperative complication are warranted and can provide a stepping stone for further collaborations that aim to reduce complication rates and establish uniform treatment protocols. Objective To evaluate the incidence of postoperative, persistent hypoparathyroidism after total or completion thyroidectomy in patients who were referred to university hospital centers and assess the association of different definitions with the incidence of hypoparathyroidism. Design, Setting, and Participants This retrospective multicenter cohort study conducted throughout 2016 in 7 Dutch university hospital centers included 200 patients who were undergoing a total or completion thyroidectomy. Data analysis was conducted in January 2021. Main Outcomes and Measures We report on the incidence of persistent hypoparathyroidism, defined as the need for active vitamin D with or without calcium supplementation longer than 1 year after surgery. Results A total of 200 patients (143 women [71.5%]; mean [IQR] age, 49.0 [37.0-62.0] years) were included and 30 patients (15.0%) developed persistent hypoparathyroidism. The incidence of persistent hypoparathyroidism varied between 14.5% (calcium and active vitamin D 1 year postsurgery) to 28.5% (calcium and/or active vitamin D 6 months postsurgery) depending on the definition used. Conclusions and Relevance In this cohort study, the risk of persistent hypoparathyroidism after total or completion thyroidectomy was 15% in patients who were referred to university hospital centers. The high rate of persistent hypoparathyroidism warrants efforts to reduce this complication rate. There is discrepancy in the definition and treatment of persistent hypoparathyroidism, and use of uniform evidence-based treatment guidelines enables comparison of interventions.
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Affiliation(s)
- Ivona Loncar
- Erasmus MC Cancer Institute, Department of Surgical Oncology and Gastrointestinal Surgery, Rotterdam, the Netherlands
| | - Milou E Noltes
- University of Groningen, University Medical Center Groningen, Department of Surgical Oncology, Groningen, the Netherlands.,University of Groningen, University Medical Center Groningen, Department of Nuclear Medicine and Molecular Imaging, Groningen, the Netherlands
| | - Chris Dickhoff
- Amsterdam UMC, location VUmc, Department of Surgery, Amsterdam, the Netherlands
| | - Anton F Engelsman
- Amsterdam UMC, location AMC, Department of Surgery, Amsterdam, the Netherlands
| | - Abbey Schepers
- Leiden University Medical Center, Department of Surgery, Leiden, the Netherlands
| | - Menno R Vriens
- University Medical Center Utrecht, Department of Surgery, Utrecht, the Netherlands
| | - Nicole D Bouvy
- Maastricht University Medical Center, Department of Surgery, Maastricht, the Netherlands
| | - Schelto Kruijff
- University of Groningen, University Medical Center Groningen, Department of Surgical Oncology, Groningen, the Netherlands
| | - Tessa M van Ginhoven
- Erasmus MC Cancer Institute, Department of Surgical Oncology and Gastrointestinal Surgery, Rotterdam, the Netherlands
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Lebbink CA, van den Broek MFM, Kwast ABG, Derikx JPM, Dierselhuis MP, Kruijff S, Links TP, van Trotsenburg ASP, Valk GD, Vriens MR, Verrijn Stuart AA, van Santen HM, Karim-Kos HE. Opposite Incidence Trends for Differentiated and Medullary Thyroid Cancer in Young Dutch Patients over a 30-Year Time Span. Cancers (Basel) 2021; 13:cancers13205104. [PMID: 34680253 PMCID: PMC8534285 DOI: 10.3390/cancers13205104] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/30/2021] [Revised: 09/21/2021] [Accepted: 10/06/2021] [Indexed: 12/16/2022] Open
Abstract
Simple Summary Thyroid cancer is a rare disease in childhood; however, its incidence is rising. Thyroid cancer consists of three main types: Papillary thyroid cancer (PTC), follicular thyroid cancer (FTC), and medullary thyroid cancer (MTC). The aim of our retrospective study was to investigate the incidence and survival trends of these three thyroid cancer types in Dutch children, adolescents, and young adults over a 30-year life span. In total, 839 patients aged 0–24 years had been diagnosed with thyroid cancer between 1990 and 2019. The incidence of PTC increased significantly over time, the incidence of FTC showed a stable trend, while the incidence of MTC decreased significantly. Overall, the 10-year survival rates over the last decades were high (>95%) for PTC, FTC, and MTC in young individuals. Abstract Thyroid cancer is the most common endocrine malignancy in children. A rising incidence has been reported worldwide. Possible explanations include the increased use of enhanced imaging (leading to incidentalomas) and an increased prevalence of risk factors. We aimed to evaluate the incidence and survival trends of thyroid cancer in Dutch children, adolescents, and young adults (0–24 years) between 1990 and 2019. The age-standardized incidence rates of differentiated thyroid cancer (DTC, including papillary and follicular thyroid cancer (PTC and FTC, respectively)) and medullary thyroid cancer (MTC), the average annual percentage changes (AAPC) in incidence rates, and 10-year overall survival (OS) were calculated based on data obtained from the nationwide cancer registry (Netherlands Cancer Registry). A total of 839 patients aged 0–24 years had been diagnosed with thyroid carcinoma (PTC: 594 (71%), FTC: 128 (15%), MTC: 114 (14%)) between 1990 and 2019. The incidence of PTC increased significantly over time (AAPC +3.6%; 95%CI +2.3 to +4.8), the incidence rate of FTC showed a stable trend ((AAPC −1.1%; 95%CI −3.4 to +1.1), while the incidence of MTC decreased significantly (AAPC: −4.4% (95%CI −7.3 to −1.5). The 10-year OS was 99.5% (1990–1999) and 98.6% (2000–2009) in patients with DTC and 92.4% (1990–1999) and 96.0% (2000–2009) in patients with MTC. In this nationwide study, a rising incidence of PTC and decreasing incidence of MTC were observed. For both groups, in spite of the high proportion of patients with lymph node involvement at diagnosis for DTC and the limited treatment options for MTC, 10-year OS was high.
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Affiliation(s)
- Chantal A. Lebbink
- Department of Pediatric Endocrinology, Wilhelmina Children’s Hospital, University Medical Center Utrecht, 3508 AB Utrecht, The Netherlands; (C.A.L.); (A.A.V.S.); (H.M.v.S.)
- Princess Máxima Center for Pediatric Oncology, 3508 AB Utrecht, The Netherlands;
| | - Medard F. M. van den Broek
- Department of Endocrine Oncology, University Medical Center Utrecht, 3508 GA Utrecht, The Netherlands; (M.F.M.v.d.B.); (G.D.V.)
| | - Annemiek B. G. Kwast
- Department of Research and Development, Netherlands Comprehensive Cancer Organisation (IKNL), 3511 DT Utrecht, The Netherlands;
| | - Joep P. M. Derikx
- Department of Pediatric Surgery, Emma Children’s Hospital, Amsterdam University Medical Centers, University of Amsterdam, 1105 AZ Amsterdam, The Netherlands;
| | | | - Schelto Kruijff
- Department of Surgery, University Medical Center Groningen, University of Groningen, 9713 GZ Groningen, The Netherlands;
| | - Thera P. Links
- Department of Endocrinology, University Medical Center Groningen, University of Groningen, 9713 GZ Groningen, The Netherlands;
| | - A. S. Paul van Trotsenburg
- Department of Pediatric Endocrinology, Emma Children’s Hospital, Amsterdam University Medical Centers, University of Amsterdam, 1105 AZ Amsterdam, The Netherlands;
| | - Gerlof D. Valk
- Department of Endocrine Oncology, University Medical Center Utrecht, 3508 GA Utrecht, The Netherlands; (M.F.M.v.d.B.); (G.D.V.)
| | - Menno R. Vriens
- Department of Endocrine Surgical Oncology, University Medical Center Utrecht, 3508 GA Utrecht, The Netherlands;
| | - Annemarie A. Verrijn Stuart
- Department of Pediatric Endocrinology, Wilhelmina Children’s Hospital, University Medical Center Utrecht, 3508 AB Utrecht, The Netherlands; (C.A.L.); (A.A.V.S.); (H.M.v.S.)
| | - Hanneke M. van Santen
- Department of Pediatric Endocrinology, Wilhelmina Children’s Hospital, University Medical Center Utrecht, 3508 AB Utrecht, The Netherlands; (C.A.L.); (A.A.V.S.); (H.M.v.S.)
- Princess Máxima Center for Pediatric Oncology, 3508 AB Utrecht, The Netherlands;
| | - Henrike E. Karim-Kos
- Princess Máxima Center for Pediatric Oncology, 3508 AB Utrecht, The Netherlands;
- Department of Research and Development, Netherlands Comprehensive Cancer Organisation (IKNL), 3511 DT Utrecht, The Netherlands;
- Correspondence:
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Schouw HM, Huisman LA, Janssen YF, Slart RHJA, Borra RJH, Willemsen ATM, Brouwers AH, van Dijl JM, Dierckx RA, van Dam GM, Szymanski W, Boersma HH, Kruijff S. Targeted optical fluorescence imaging: a meta-narrative review and future perspectives. Eur J Nucl Med Mol Imaging 2021; 48:4272-4292. [PMID: 34633509 PMCID: PMC8566445 DOI: 10.1007/s00259-021-05504-y] [Citation(s) in RCA: 23] [Impact Index Per Article: 7.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/31/2021] [Accepted: 07/23/2021] [Indexed: 12/27/2022]
Abstract
Purpose The aim of this review is to give an overview of the current status of targeted optical fluorescence imaging in the field of oncology, cardiovascular, infectious and inflammatory diseases to further promote clinical translation. Methods A meta-narrative approach was taken to systematically describe the relevant literature. Consecutively, each field was assigned a developmental stage regarding the clinical implementation of optical fluorescence imaging. Results Optical fluorescence imaging is leaning towards clinical implementation in gastrointestinal and head and neck cancers, closely followed by pulmonary, neuro, breast and gynaecological oncology. In cardiovascular and infectious disease, optical imaging is in a less advanced/proof of concept stage. Conclusion Targeted optical fluorescence imaging is rapidly evolving and expanding into the clinic, especially in the field of oncology. However, the imaging modality still has to overcome some major challenges before it can be part of the standard of care in the clinic, such as the provision of pivotal trial data. Intensive multidisciplinary (pre-)clinical joined forces are essential to overcome the delivery of such compelling phase III registration trial data and subsequent regulatory approval and reimbursement hurdles to advance clinical implementation of targeted optical fluorescence imaging as part of standard practice. Supplementary Information The online version contains supplementary material available at 10.1007/s00259-021-05504-y.
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Affiliation(s)
- H M Schouw
- Department of Surgery, University of Groningen, University Medical Centre Groningen, Groningen, The Netherlands
| | - L A Huisman
- Department of Surgery, University of Groningen, University Medical Centre Groningen, Groningen, The Netherlands
| | - Y F Janssen
- Department of Surgery, University of Groningen, University Medical Centre Groningen, Groningen, The Netherlands
| | - R H J A Slart
- Department of Nuclear Medicine and Molecular Imaging, University of Groningen, University Medical Centre Groningen, Groningen, The Netherlands.,Department of Biomedical Photonic Imaging, Faculty of Science and Technology, University of Twente, Enschede, The Netherlands
| | - R J H Borra
- Department of Nuclear Medicine and Molecular Imaging, University of Groningen, University Medical Centre Groningen, Groningen, The Netherlands.,Department of Radiology, University of Groningen, University Medical Centre Groningen, Groningen, The Netherlands
| | - A T M Willemsen
- Department of Nuclear Medicine and Molecular Imaging, University of Groningen, University Medical Centre Groningen, Groningen, The Netherlands
| | - A H Brouwers
- Department of Nuclear Medicine and Molecular Imaging, University of Groningen, University Medical Centre Groningen, Groningen, The Netherlands
| | - J M van Dijl
- Department of Medical Microbiology, University of Groningen, University Medical Centre Groningen, Groningen, The Netherlands
| | - R A Dierckx
- Department of Nuclear Medicine and Molecular Imaging, University of Groningen, University Medical Centre Groningen, Groningen, The Netherlands.,Department of Diagnostic Sciences, Ghent University Faculty of Medicine and Health Sciences, Gent, Belgium
| | - G M van Dam
- Department of Nuclear Medicine and Molecular Imaging, University of Groningen, University Medical Centre Groningen, Groningen, The Netherlands.,AxelaRx/TRACER Europe BV, Groningen, The Netherlands
| | - W Szymanski
- Department of Radiology, University of Groningen, University Medical Centre Groningen, Groningen, The Netherlands
| | - H H Boersma
- Department of Nuclear Medicine and Molecular Imaging, University of Groningen, University Medical Centre Groningen, Groningen, The Netherlands.,Department of Clinical Pharmacy and Pharmacology, University of Groningen, University Medical Centre of Groningen, Groningen, The Netherlands
| | - S Kruijff
- Department of Surgery, University of Groningen, University Medical Centre Groningen, Groningen, The Netherlands. .,Department of Nuclear Medicine and Molecular Imaging, University of Groningen, University Medical Centre Groningen, Groningen, The Netherlands.
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Vergeer RA, Postma MR, Schmidt I, Korsten-Meijer AG, Feijen RA, Kruijff S, Nagengast WB, van Dijk JMC, den Dunnen WFA, van Beek AP, Kuijlen JMA, van den Berg G. Detection by fluorescence of pituitary neuroendocrine tumour (PitNET) tissue during endoscopic transsphenoidal surgery using bevacizumab-800CW (DEPARTURE trial): study protocol for a non-randomised, non-blinded, single centre, feasibility and dose-finding trial. BMJ Open 2021; 11:e049109. [PMID: 34620658 PMCID: PMC8499267 DOI: 10.1136/bmjopen-2021-049109] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/16/2022] Open
Abstract
INTRODUCTION Achieving gross total resection and endocrine remission in pituitary neuroendocrine tumours (PitNET) can be challenging, especially in PitNETs with cavernous sinus (CS) invasion, defined as a Knosp grade of 3 or 4. A potential target to identify PitNET tissue is vascular endothelial growth factor A (VEGF-A), which expression is known to be significantly higher in PitNETs with CS invasion. METHODS AND ANALYSIS The aim of this non-randomised, non-blinded, single centre, feasibility and dose-finding phase 1 trial is to determine the feasibility of intraoperative fluorescence imaging detection of PitNET tissue during endoscopic transsphenoidal surgery using the VEGF-A targeting optical agent bevacizumab-800CW (4, 5, 10 or 25 mg). Nine to fifteen patients with a PitNET with a Knosp grade of 3 or 4 will be included. Secondary objectives are: (1) To identify the optimal tracer dose for imaging of PitNET tissue during transsphenoidal surgery for further development in a phase 2 fluorescence molecular endoscopy trial. (2) To quantify fluorescence intensity in vivo and ex vivo with multidiameter single-fibre reflectance, single-fibre fluorescence (MDSFR/SFF) spectroscopy. (3) To correlate and validate both the in vivo and ex vivo measured fluorescence signals with histopathological analysis and immunohistochemical staining. (4) To assess the (sub)cellular location of bevacizumab-800CW by ex vivo fluorescence microscopy. Intraoperative, three imaging moments are defined to detect the fluorescent signal. The tumour-to-background ratios are defined by intraoperative fluorescence in vivo measurements including MDSFR/SFF spectroscopy data and by ex vivo back-table fluorescence imaging. After inclusion of three patients in each dose group, an interim analysis will be performed to define the optimal dose. ETHICS AND DISSEMINATION Approval was obtained from the Medical Ethics Review Board of the University Medical Centre Groningen. Results will be disseminated through national and international journals. The participants and relevant patient support groups will be informed about the results. TRIAL REGISTRATION NUMBER NCT04212793.
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Affiliation(s)
- Rob A Vergeer
- Department of Neurosurgery, University Medical Centre Groningen, Groningen, The Netherlands
| | - Mark R Postma
- Department of Endocrinology, University Medical Centre Groningen, Groningen, The Netherlands
| | - Iris Schmidt
- Department of Gastroenterology and Hepatology, University Medical Centre Groningen, Groningen, The Netherlands
| | - Astrid Gw Korsten-Meijer
- Department of Otorhinolaryngology-Head and Neck Surgery, University Medical Centre Groningen, Groningen, The Netherlands
| | - Robert A Feijen
- Department of Otorhinolaryngology-Head and Neck Surgery, University Medical Centre Groningen, Groningen, The Netherlands
| | - Schelto Kruijff
- Department of Surgical Oncology, University Medical Center Groningen, Groningen, The Netherlands
| | - Wouter B Nagengast
- Department of Gastroenterology and Hepatology, University Medical Centre Groningen, Groningen, The Netherlands
| | - J Marc C van Dijk
- Department of Neurosurgery, University of Groningen, Groningen, The Netherlands
| | - Wilfred F A den Dunnen
- Department of Pathology, University Medical Centre Groningen, Groningen, The Netherlands
| | - André P van Beek
- Department of Endocrinology, University Medical Centre Groningen, Groningen, The Netherlands
| | - Jos M A Kuijlen
- Department of Neurosurgery, University Medical Centre Groningen, Groningen, The Netherlands
| | - Gerrit van den Berg
- Department of Endocrinology, University Medical Centre Groningen, Groningen, The Netherlands
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Noltes ME, van Dam GM, Nagengast WB, van der Zaag PJ, Slart RHJA, Szymanski W, Kruijff S, Dierckx RAJO. Let's embrace optical imaging: a growing branch on the clinical molecular imaging tree. Eur J Nucl Med Mol Imaging 2021; 48:4120-4128. [PMID: 34463808 DOI: 10.1007/s00259-021-05476-z] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/09/2022]
Affiliation(s)
- Milou E Noltes
- Medical Imaging Center, Department of Nuclear Medicine and Molecular Imaging, University of Groningen, University Medical Center Groningen, Hanzeplein 1, 9700 RB, Groningen, the Netherlands.,Department of Surgery, University Medical Center Groningen, University of Groningen, Groningen, the Netherlands
| | - Gooitzen M van Dam
- Medical Imaging Center, Department of Nuclear Medicine and Molecular Imaging, University of Groningen, University Medical Center Groningen, Hanzeplein 1, 9700 RB, Groningen, the Netherlands.,AxelaRx/TRACER B.V, Groningen, the Netherlands
| | - Wouter B Nagengast
- Department of Gastroenterology and Hepatology, University of Groningen, University Medical Center Groningen, Groningen, the Netherlands
| | - Pieter J van der Zaag
- Medical Imaging Center, Department of Nuclear Medicine and Molecular Imaging, University of Groningen, University Medical Center Groningen, Hanzeplein 1, 9700 RB, Groningen, the Netherlands.,Molecular Biophysics, Zernike Institute, University of Groningen, Nijenborgh 4, 9747 AG, Groningen, the Netherlands
| | - Riemer H J A Slart
- Medical Imaging Center, Department of Nuclear Medicine and Molecular Imaging, University of Groningen, University Medical Center Groningen, Hanzeplein 1, 9700 RB, Groningen, the Netherlands.,Faculty of Science and Technology, Department of Biomedical Photonic Imaging, University of Twente, Enschede, Netherlands
| | - Wiktor Szymanski
- Stratingh Institute for Chemistry, University of Groningen, Nijenborgh 7, 9747AG, Groningen, the Netherlands.,Medical Imaging Center, Department of Radiology, University of Groningen, University Medical Center Groningen, Groningen, the Netherlands
| | - Schelto Kruijff
- Medical Imaging Center, Department of Nuclear Medicine and Molecular Imaging, University of Groningen, University Medical Center Groningen, Hanzeplein 1, 9700 RB, Groningen, the Netherlands.,Department of Surgery, University Medical Center Groningen, University of Groningen, Groningen, the Netherlands
| | - Rudi A J O Dierckx
- Medical Imaging Center, Department of Nuclear Medicine and Molecular Imaging, University of Groningen, University Medical Center Groningen, Hanzeplein 1, 9700 RB, Groningen, the Netherlands. .,Medical Imaging Center, Department of Radiology, University of Groningen, University Medical Center Groningen, Groningen, the Netherlands.
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Deckers EA, Kruijff S, Bastiaannet E, van Ginkel RJ, Hoekstra‐Weebers JEHM, Hoekstra HJ. Obesity is not associated with disease-free interval, melanoma-specific survival, or overall survival in patients with clinical stage IB-II melanoma after SLNB. J Surg Oncol 2021; 124:655-664. [PMID: 34085291 PMCID: PMC8453899 DOI: 10.1002/jso.26555] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/10/2020] [Revised: 05/09/2021] [Accepted: 05/22/2021] [Indexed: 11/08/2022]
Abstract
BACKGROUND AND OBJECTIVES Clinicopathologic characteristics have prognostic value in clinical stage IB-II patients with melanoma. Little is known about the prognostic value of obesity that has been associated with an increased risk for several cancer types and worsened prognosis after diagnosis. This study aims to examine effects of obesity on outcome in patients with clinical stage IB-II melanoma. METHODS Prospectively recorded data of patients with clinical stage IB-II melanoma who underwent sentinel lymph node biopsy (SLNB) between 1995 and 2018 at the University Medical Center of Groningen were collected from medical files and retrospectively analyzed. Cox-regression analyses were used to determine associations between obesity (body mass index> 30), tumor (location, histology, Breslow-thickness, ulceration, mitotic rate, SLN-status) and patient-related variables (gender, age, and social-economic-status [SES]) and disease-free interval (DFI), melanoma-specific survival (MSS), and overall survival (OS). RESULTS Of the 715 patients, 355 (49.7%) were women, median age was 55 (range 18.6-89) years, 149 (20.8%) were obese. Obesity did not significantly affect DFI (adjusted hazard ratio [HR] = 1.40; 95% confidence interval [CI] = 0.98-2.00; p = 0.06), MSS (adjusted HR = 1.48;95%CI = 0.97-2.25; p = 0.07), and OS (adjusted HR = 1.25; 95% CI = 0.85-1.85; p = 0.25). Increased age, arm location, increased Breslow-thickness, ulceration, increased mitotic rate, and positive SLN-status were significantly associated with decreased DFI, MSS, and OS. Histology, sex, and SES were not associated. CONCLUSION Obesity was not associated with DFI, MSS, or OS in patients with clinical stage IB-II melanoma who underwent SLNB.
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Affiliation(s)
- Eric A. Deckers
- Department of Surgical Oncology, University Medical Center GroningenUniversity of GroningenGroningenThe Netherlands
| | - Schelto Kruijff
- Department of Surgical Oncology, University Medical Center GroningenUniversity of GroningenGroningenThe Netherlands
| | - Esther Bastiaannet
- Department of Surgical OncologyLeiden University Medical CenterLeidenThe Netherlands
| | - Robert J. van Ginkel
- Department of Surgical Oncology, University Medical Center GroningenUniversity of GroningenGroningenThe Netherlands
| | - Josette E. H. M. Hoekstra‐Weebers
- Department of Research and Development, Wenckebach Institute, University Medical Center GroningenUniversity of GroningenGroningenThe Netherlands
- Department of Research and DevelopmentNetherlands Comprehensive Cancer OrganizationUtrechtThe Netherlands
| | - Harald J. Hoekstra
- Department of Surgical Oncology, University Medical Center GroningenUniversity of GroningenGroningenThe Netherlands
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Ploeg EM, Ke X, Britsch I, Hendriks MAJM, Van der Zant FA, Kruijff S, Samplonius DF, Zhang H, Helfrich W. Bispecific antibody CD73xEpCAM selectively inhibits the adenosine-mediated immunosuppressive activity of carcinoma-derived extracellular vesicles. Cancer Lett 2021; 521:109-118. [PMID: 34464670 DOI: 10.1016/j.canlet.2021.08.037] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/09/2021] [Revised: 08/24/2021] [Accepted: 08/26/2021] [Indexed: 02/05/2023]
Abstract
Tumor-derived extracellular vesicles (EVs) carry potent immunosuppressive factors that affect the antitumor activities of immune cells. A significant part of the immunoinhibitory activity of EVs is attributable to CD73, a GPI-anchored ecto-5'-nucleotidase involved in the conversion of tumor-derived proinflammatory extracellular ATP (eATP) to immunosuppressive adenosine (ADO). The CD73-antagonist antibody oleclumab inhibits cell surface-exposed CD73 and is currently undergoing clinical testing for cancer immunotherapy. However, a strategy to selectively inhibit CD73 exposed on EVs is not available. Here, we present a novel bispecific antibody (bsAb) CD73xEpCAM designed to bind with high affinity the common EV surface marker EpCAM and concurrently inhibit CD73. Unlike oleclumab, bsAb CD73xEpCAM potently inhibited the immunosuppressive activity of EVs from CD73pos/EpCAMpos carcinoma cell lines and patient-derived colorectal cancer cells. Taken together, selective blockade of EV-exposed CD73 by bsAb CD73xEpCAM may be useful as an alternate or complementary targeted approach in cancer immunotherapy.
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Affiliation(s)
- Emily M Ploeg
- University of Groningen, University Medical Center Groningen (UMCG), Department of Surgery, Laboratory for Translational Surgical Oncology, Groningen, the Netherlands
| | - Xiurong Ke
- University of Groningen, University Medical Center Groningen (UMCG), Department of Surgery, Laboratory for Translational Surgical Oncology, Groningen, the Netherlands; Shantou University Medical College, Shantou, Guangdong, China
| | - Isabel Britsch
- University of Groningen, University Medical Center Groningen (UMCG), Department of Surgery, Laboratory for Translational Surgical Oncology, Groningen, the Netherlands
| | - Mark A J M Hendriks
- University of Groningen, University Medical Center Groningen (UMCG), Department of Surgery, Laboratory for Translational Surgical Oncology, Groningen, the Netherlands
| | - Femke A Van der Zant
- University of Groningen, University Medical Center Groningen (UMCG), Department of Surgery, Laboratory for Translational Surgical Oncology, Groningen, the Netherlands
| | - Schelto Kruijff
- University of Groningen, University Medical Center Groningen (UMCG), Department of Surgery, Laboratory for Translational Surgical Oncology, Groningen, the Netherlands
| | - Douwe F Samplonius
- University of Groningen, University Medical Center Groningen (UMCG), Department of Surgery, Laboratory for Translational Surgical Oncology, Groningen, the Netherlands
| | - Hao Zhang
- Institute of Precision Cancer and Pathology, Department of Pathology, School of Medicine, Department of General Surgery, First Affiliated Hospital, Jinan University, Guangzhou, Guangdong, China.
| | - Wijnand Helfrich
- University of Groningen, University Medical Center Groningen (UMCG), Department of Surgery, Laboratory for Translational Surgical Oncology, Groningen, the Netherlands.
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Berends AMA, Buitenwerf E, Riphagen IJ, Lenders JWM, Timmers HJLM, Kruijff S, Links TP, van der Horst-Schrivers ANA, Stegeman CA, Eekhoff EMW, Feelders RA, Corssmit EPM, Groote Veldman R, Haak HR, Muller Kobold AC, Kerstens MN. Circulating adrenomedullin and B-type natriuretic peptide do not predict blood pressure fluctuations during pheochromocytoma resection: a cross-sectional study. Eur J Endocrinol 2021; 185:507-514. [PMID: 34324433 DOI: 10.1530/eje-20-1452] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/23/2020] [Accepted: 07/28/2021] [Indexed: 11/08/2022]
Abstract
BACKGROUND Despite adequate presurgical management, blood pressure fluctuations are common during resection of pheochromocytoma or sympathetic paraganglioma (PPGL). To a large extent, the variability in blood pressure control during PPGL resection remains unexplained. Adrenomedullin and B-type natriuretic peptide, measured as MR-proADM and NT-proBNP, respectively, are circulating biomarkers of cardiovascular dysfunction. We investigated whether plasma levels of MR-proADM and NT-proBNP are associated with blood pressure fluctuations during PPGL resection. METHODS Study subjects participated in PRESCRIPT, a randomized controlled trial in patients undergoing PPGL resection. MR-proADM and NT-proBNP were determined in a single plasma sample drawn before surgery. Multivariable linear and logistic regression analyses were used to explore associations between these biomarkers and blood pressure fluctuations, use of vasoconstrictive agents during surgery as well as the occurrence of perioperative cardiovascular events. RESULTS A total of 126 PPGL patients were included. Median plasma concentrations of MR-proADM and NT-proBNP were 0.51 (0.41-0.63) nmol/L and 68.7 (27.9-150.4) ng/L, respectively. Neither MR-proADM nor NT-proBNP were associated with blood pressure fluctuations. There was a positive correlation between MR-proADM concentration and the cumulative dose of vasoconstrictive agents (03B2 0.44, P =0.001). Both MR-proADM and NT-proBNP were significantly associated with perioperative cardiovascular events (OR: 5.46, P =0.013 and OR: 1.54, P =0.017, respectively). CONCLUSIONS plasma MR-proADM or NT-proBNP should not be considered as biomarkers for the presurgical risk assessment of blood pressure fluctuations during PPGL resection. Future studies are needed to explore the potential influence of these biomarkers on the intraoperative requirement of vasoconstrictive agents and the perioperative cardiovascular risk.
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Affiliation(s)
| | | | - Ineke J Riphagen
- Department of Laboratory Medicine, University of Groningen, University Medical Center Groningen, Groningen, The Netherlands
| | - Jacques W M Lenders
- Department of Internal Medicine, Radboud University Medical Center, Nijmegen, The Netherlands
- Department of Medicine III, University Hospital Carl Gustav Carus, Technical University Dresden, Dresden, Germany
| | - Henri J L M Timmers
- Department of Internal Medicine, Radboud University Medical Center, Nijmegen, The Netherlands
| | | | - Thera P Links
- Department of Endocrinology, Groningen, The Netherlands
| | | | - Coen A Stegeman
- Department of Nephrology, University of Groningen, University Medical Center Groningen, Groningen, The Netherlands
| | - Elisabeth M W Eekhoff
- Department of Internal Medicine Section Endocrinology, Amsterdam University Medical Centers location VUmc, Amsterdam, The Netherlands
| | - Richard A Feelders
- Department of Endocrinology, Erasmus University Medical Center, Rotterdam, The Netherlands
| | - Eleonora P M Corssmit
- Department of Endocrinology, Leiden University Medical Center, Leiden, The Netherlands
| | | | - Harm R Haak
- Department of Internal Medicine, Máxima Medical Center, Eindhoven/Veldhoven, The Netherlands
- Maastricht University, CAPHRI School for Public Health and Primary Care, Ageing and Long-Term Care, Maastricht, The Netherlands
- Division of General Internal Medicine, Department of Internal Medicine, Maastricht University Medical Centre+, Maastricht, The Netherlands
| | - Anneke C Muller Kobold
- Department of Laboratory Medicine, University of Groningen, University Medical Center Groningen, Groningen, The Netherlands
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Lončar I, van Dijk SPJ, Metman MJH, Lin JF, Kruijff S, Peeters RP, Engelsman AF, van Ginhoven TM. Active Surveillance for Papillary Thyroid Microcarcinoma in a Population with Restrictive Diagnostic Workup Strategies. Thyroid 2021; 31:1219-1225. [PMID: 33430696 DOI: 10.1089/thy.2020.0845] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/29/2022]
Abstract
Background: The worldwide incidence of papillary thyroid carcinoma (PTC) has increased. Efforts to reduce overtreatment follow two approaches: limiting diagnostic workup of low-risk thyroid nodules and pursuing active surveillance (AS) after diagnosis of microscopic PTC (mPTC). However, most studies on AS have been performed in countries with a relatively high proportion of overdiagnosis and thus incidental mPTC. The role of AS in a population with a restrictive diagnostic workup protocol for imaging and fine-needle aspiration remains unknown. Therefore, the aim of this study was to describe the proportion and characteristics of patients with mPTC in the Netherlands and to describe the potential candidates for AS in a situation with restrictive diagnostic protocols since 2007. Methods: All operated patients with an mPTC in the Netherlands between 2005 and 2015 were identified from the Netherlands Cancer Registry database. Three groups were defined: (Group 1) mPTC with preoperative distant or lymph node metastases, (Group 2) mPTC in pathology report after thyroid surgery for another indication, and (Group 3) patients with a preoperative high suspicious thyroid nodule or proven mPTC (Bethesda 5 or 6). Only patients in Group 3 were considered potential candidates for AS. Results: A total of 1018 mPTC patients were identified. Group 1 consisted of 152 patients with preoperatively discovered metastases. Group 2 consisted of 667 patients, of whom 16 (2.4%) had lymph node metastases. There were 199 patients in Group 3, of whom 27 (13.6%) had lymph node metastases. After initial treatment in Group 3, 3.5% (7/199) of the patients had recurrence. Conclusions: Restrictive diagnostic workup strategies of patients with small thyroid nodules lead to limited patients eligible for AS and a higher incidence of lymph node metastases. We believe that there is limited additive value for AS in countries with restrictive diagnostic workup guidelines such as in the Netherlands. However, if an mPTC is encountered, AS can be offered on an individual basis.
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Affiliation(s)
- Ivona Lončar
- Department of Surgical Oncology and Gastrointestinal Surgery, Erasmus MC Cancer Institute, Rotterdam, the Netherlands
| | - Sam P J van Dijk
- Department of Surgical Oncology and Gastrointestinal Surgery, Erasmus MC Cancer Institute, Rotterdam, the Netherlands
| | - Madelon J H Metman
- Department of Surgical Oncology, University Medical Center Groningen, Groningen, the Netherlands
| | - Jia Feng Lin
- Department of Surgical Oncology, University Medical Center Groningen, Groningen, the Netherlands
| | - Schelto Kruijff
- Department of Surgical Oncology, University Medical Center Groningen, Groningen, the Netherlands
| | - Robin P Peeters
- Department of Internal medicine, Erasmus Medical Center Rotterdam, Rotterdam, the Netherlands
| | - Anton F Engelsman
- Department of Surgery, Amsterdam University Medical Center, Amsterdam, the Netherlands
| | - Tessa M van Ginhoven
- Department of Surgical Oncology and Gastrointestinal Surgery, Erasmus MC Cancer Institute, Rotterdam, the Netherlands
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47
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Jonker PKC, Turchini J, Kruijff S, Lin JF, Gill AJ, Eade T, Aniss A, Clifton-Bligh R, Learoyd D, Robinson B, Tsang V, Glover A, Sidhu S, Sywak M. Correction to: Multimodality Treatment Improves Locoregional Control, Progression-Free and Overall Survival in Patients with Anaplastic Thyroid Cancer: A Retrospective Cohort Study Comparing Oncological Outcomes and Morbidity between Multimodality Treatment and Limited Treatment. Ann Surg Oncol 2021; 28:891. [PMID: 34279756 DOI: 10.1245/s10434-021-10440-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022]
Affiliation(s)
- Pascal K C Jonker
- University of Sydney Endocrine Surgical Unit, Royal North Shore Hospital, Northern Sydney Local Health District, St Leonards, Australia.,Department of Surgery, University Medical Center Groningen, University of Groningen, Groningen, The Netherlands
| | - John Turchini
- Northern Clinical School, Sydney Medical School, Faculty of Medicine and Health, University of Sydney, Sydney, NSW, Australia.,Douglass Hanly Moir Pathology, Macquarie Park, NSW, Australia.,Discipline of Pathology, MQ Health, Macquarie University, Macquarie Park, NSW, Australia
| | - Schelto Kruijff
- Department of Surgery, University Medical Center Groningen, University of Groningen, Groningen, The Netherlands
| | - Jia Feng Lin
- University of Sydney Endocrine Surgical Unit, Royal North Shore Hospital, Northern Sydney Local Health District, St Leonards, Australia.,Department of Surgery, University Medical Center Groningen, University of Groningen, Groningen, The Netherlands
| | - Anthony J Gill
- Northern Clinical School, Sydney Medical School, Faculty of Medicine and Health, University of Sydney, Sydney, NSW, Australia.,NSW Health Pathology Department of Anatomical Pathology, Royal North Shore Hospital, Northern Sydney Local Health District, St Leonards, NSW, Australia.,Cancer Diagnsosis and Pathology Group, Kolling Institute of Medical Research, Royal North Shore Hospital, Northern Sydney Local Health District, St Leonards, NSW, Australia
| | - Thomas Eade
- Department of Radiation Oncology, Royal North Shore Hospital, Northern Sydney Local Health District, St Leonards, NSW, Australia
| | - Ahmad Aniss
- University of Sydney Endocrine Surgical Unit, Royal North Shore Hospital, Northern Sydney Local Health District, St Leonards, Australia
| | - Roderick Clifton-Bligh
- Northern Clinical School, Sydney Medical School, Faculty of Medicine and Health, University of Sydney, Sydney, NSW, Australia.,Department of Endocrinology, Royal North Shore Hospital, Northern Sydney Local Health District, St Leonards, Australia
| | - Diana Learoyd
- Northern Clinical School, Sydney Medical School, Faculty of Medicine and Health, University of Sydney, Sydney, NSW, Australia.,Department of Endocrinology, Royal North Shore Hospital, Northern Sydney Local Health District, St Leonards, Australia
| | - Bruce Robinson
- Northern Clinical School, Sydney Medical School, Faculty of Medicine and Health, University of Sydney, Sydney, NSW, Australia.,Department of Endocrinology, Royal North Shore Hospital, Northern Sydney Local Health District, St Leonards, Australia
| | - Venessa Tsang
- Northern Clinical School, Sydney Medical School, Faculty of Medicine and Health, University of Sydney, Sydney, NSW, Australia.,Department of Endocrinology, Royal North Shore Hospital, Northern Sydney Local Health District, St Leonards, Australia
| | - Anthony Glover
- University of Sydney Endocrine Surgical Unit, Royal North Shore Hospital, Northern Sydney Local Health District, St Leonards, Australia.,Northern Clinical School, Sydney Medical School, Faculty of Medicine and Health, University of Sydney, Sydney, NSW, Australia.,Endocrine Cancer Program, Cancer Theme, The Kinghorn Cancer Centre, Garvan Institute of Medical Research, Sydney, NSW, 2010, Australia.,St. Vincent's Clinical School, Faculty of Medicine, University of New South Wales Sydney, Sydney, NSW, 2052, Australia
| | - Stanley Sidhu
- University of Sydney Endocrine Surgical Unit, Royal North Shore Hospital, Northern Sydney Local Health District, St Leonards, Australia.,Northern Clinical School, Sydney Medical School, Faculty of Medicine and Health, University of Sydney, Sydney, NSW, Australia
| | - Mark Sywak
- University of Sydney Endocrine Surgical Unit, Royal North Shore Hospital, Northern Sydney Local Health District, St Leonards, Australia. .,Northern Clinical School, Sydney Medical School, Faculty of Medicine and Health, University of Sydney, Sydney, NSW, Australia. .,University of Sydney Endocrine Surgery Unit, AMA House, St Leonards, NSW, 2065, Australia.
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48
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van der Plas WY, Gomes Neto AW, Berger SP, Pol RA, Kruijff S, Bakker SJL, de Borst MH. Association of time-updated plasma calcium and phosphate with graft and patient outcomes after kidney transplantation. Am J Transplant 2021; 21:2437-2447. [PMID: 33331113 PMCID: PMC8359271 DOI: 10.1111/ajt.16457] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/15/2020] [Revised: 11/08/2020] [Accepted: 12/09/2020] [Indexed: 01/25/2023]
Abstract
Disturbances in calcium-phosphate homeostasis are common after kidney transplantation. We aimed to assess the relationship between deregulations in plasma calcium and phosphate over time and mortality and death-censored graft failure (DCGF). In this prospective cohort study, we included kidney transplant recipients with ≥2 plasma calcium and phosphate measurements. Data were analyzed using time-updated Cox regression analyses adjusted for potential confounders including time-updated kidney function. We included 2769 patients (mean age 47 ± 14 years, 42.3% female) with 138 496 plasma calcium and phosphate levels (median [IQR] 43 [31-61] measurements per patient). During follow-up of 16.3 [8.7-25.2] years, 17.2% developed DCGF and 7.9% died. Posttransplant hypercalcemia was associated with an increased risk of mortality (1.63 [1.31-2.00], p < 0.0001), but not with DCGF. Hyperphosphatemia was associated with both DCGF (2.59 [2.05-3.27], p < .0001) and mortality (3.14 [2.58-3.82], p < .0001). Only the association between hypercalcemia and mortality remained significant in sensitivity analyses censored by a simultaneous eGFR <45 mL/min/1.73 m2 . Hypocalcemia and hypophosphatemia were not consistently associated with either outcome. Posttransplant hypercalcemia, even in the presence of preserved kidney function, was associated with an increased mortality risk. Associations of hyperphosphatemia with DCGF and mortality may be driven by eGFR.
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Affiliation(s)
- Willemijn Y. van der Plas
- Department of SurgeryUniversity of GroningenUniversity Medical Center GroningenGroningenThe Netherlands
| | - António W. Gomes Neto
- Department of Internal Medicine Division of NephrologyUniversity of GroningenUniversity Medical Center GroningenGroningenThe Netherlands
| | - Stefan P. Berger
- Department of Internal Medicine Division of NephrologyUniversity of GroningenUniversity Medical Center GroningenGroningenThe Netherlands
| | - Robert A. Pol
- Department of SurgeryUniversity of GroningenUniversity Medical Center GroningenGroningenThe Netherlands
| | - Schelto Kruijff
- Department of SurgeryUniversity of GroningenUniversity Medical Center GroningenGroningenThe Netherlands
| | - Stephan J. L. Bakker
- Department of Internal Medicine Division of NephrologyUniversity of GroningenUniversity Medical Center GroningenGroningenThe Netherlands,TransplantLines Biobank and Cohort StudyGroningenThe Netherlands
| | - Martin H. de Borst
- Department of Internal Medicine Division of NephrologyUniversity of GroningenUniversity Medical Center GroningenGroningenThe Netherlands
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49
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Noltes ME, Metman MJH, Jansen L, Peeperkorn EWM, Engelsman AF, Kruijff S. Parathyroid Function Saving Total Thyroidectomy Using Autofluorescence and Quantified Indocyanine Green Angiography. VideoEndocrinology 2021; 8:10.1089/ve.2021.0008. [PMID: 34179223 PMCID: PMC8227798 DOI: 10.1089/ve.2021.0008] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/24/2021] [Accepted: 04/24/2021] [Indexed: 11/30/2022] Open
Abstract
Introduction: Postoperative hypoparathyroidism is one of the most common complications after total thyroidectomy. In recent years, several techniques have been employed, trying to save parathyroid glands during thyroid surgery, such as autofluorescence and indocyanine green (ICG) angiography. In this study, we present a systematic approach to a parathyroid function saving total thyroidectomy using autofluorescence and quantified ICG angiography. Materials and Methods: Step-by-step video demonstration of a total thyroidectomy for thyroid cancer utilizing parathyroid autofluorescence and ICG angiography. Results: A systematic step-wise approach to a total thyroidectomy using autofluorescence and quantified ICG angiography is demonstrated. The set moments of deployment, settings of the camera, and a standardized workflow model for parathyroid autofluorescence and ICG angiography are noted. Conclusion: A systematic approach to parathyroid autofluorescence and quantified ICG angiography during total thyroidectomy may eventually guide the surgeon in early identification of the parathyroid glands and the need for parathyroid autotransplantation, thereby predicting and preventing postoperative hypoparathyroidism. The authors have no related personal conflicts of interest to declare that could be perceived as prejudicing the impartiality of the research reported. For this study, the Quest Spectrum was used. The authors have no conflicts with this or any other commercial entity. This research did not receive any specific grant from any funding agency in the public or commercial sector. Runtime of video: 9 mins 59 secs This video was presented at the Third Symposium on Parathyroid Fluorescence 2021.
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Affiliation(s)
- Milou E Noltes
- Department of Surgery, University of Groningen, University Medical Center Groningen, Groningen, The Netherlands.,Department of Nuclear Medicine and Molecular Imaging, University of Groningen, University Medical Center Groningen, Groningen, The Netherlands
| | - Madelon J H Metman
- Department of Surgery, University of Groningen, University Medical Center Groningen, Groningen, The Netherlands
| | - Liesbeth Jansen
- Department of Surgery, University of Groningen, University Medical Center Groningen, Groningen, The Netherlands
| | - Emma W M Peeperkorn
- Department of Surgery, Amsterdam UMC, University of Amsterdam, Amsterdam, The Netherlands
| | - Anton F Engelsman
- Department of Surgery, Amsterdam UMC, University of Amsterdam, Amsterdam, The Netherlands
| | - Schelto Kruijff
- Department of Surgery, University of Groningen, University Medical Center Groningen, Groningen, The Netherlands.,Department of Nuclear Medicine and Molecular Imaging, University of Groningen, University Medical Center Groningen, Groningen, The Netherlands
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50
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Jonker PKC, Turchini J, Kruijff S, Lin JF, Gill AJ, Eade T, Aniss A, Clifton-Bligh R, Learoyd D, Robinson B, Tsang V, Glover A, Sidhu S, Sywak M. Multimodality Treatment Improves Locoregional Control, Progression-Free and Overall Survival in Patients with Anaplastic Thyroid Cancer: A Retrospective Cohort Study Comparing Oncological Outcomes and Morbidity between Multimodality Treatment and Limited Treatment. Ann Surg Oncol 2021; 28:7520-7530. [PMID: 34032961 DOI: 10.1245/s10434-021-10146-3] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/28/2020] [Accepted: 04/23/2021] [Indexed: 11/18/2022]
Abstract
BACKGROUND Patients with anaplastic thyroid cancer (ATC) have poor overall survival, and the optimal management approach remains unclear. The aim of this study is to evaluate our experience with multimodality (MMT) versus limited treatment (LT) for ATC. PATIENTS AND METHODS A cohort study of patients with ATC managed in a tertiary referral center was undertaken. The outcomes of MMT were compared with those of LT. The primary outcome measures were locoregional control and progression-free and overall survival. Secondary outcome measures were treatment-related complications and factors associated with improved survival. RESULTS In total, 59 patients (35 females) with a median age of 73 years (range 39-99 years) and ATC stage IVA (n = 2), IVB (n = 28), or IVC (n = 29) were included. LT was utilized in 25 patients (42%), and 34 cases had MMT. MMT patients had a longer time of locoregional control (18.5 versus 1.9 months; p < 0.001), progression-free survival (3.5 versus 1.2 months; p < 0.001), and overall survival (6.9 versus 2.0 months; p < 0.001) when compared with LT. For patients with stage IVC ATC, locoregional control (p = 0.03), progression-free survival (p < 0.001), and overall survival (p < 0.001) were superior in the MMT cohort compared with LT. MMT had more treatment-related complications than LT (p < 0.001). An Eastern Cooperative Oncology Group performance status < 2 (HR 0.30; p = 0.001) and MMT (HR 0.35; p = 0.008) were associated with improved overall survival. CONCLUSION MMT is likely to improve locoregional control, progression-free survival, and overall survival in selected ATC patients including stage IVC tumors but comes with a greater complication risk.
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Affiliation(s)
- Pascal K C Jonker
- University of Sydney Endocrine Surgical Unit, Royal North Shore Hospital, Northern Sydney Local Health District, St Leonards, Australia.,Department of Surgery, University Medical Center Groningen, University of Groningen, Groningen, The Netherlands
| | - John Turchini
- Northern Clinical School, Sydney Medical School, Faculty of Medicine and Health, University of Sydney, Sydney, NSW, Australia.,Douglass Hanly Moir Pathology, Macquarie Park, NSW, Australia.,Discipline of Pathology, MQ Health, Macquarie University, Macquarie Park, NSW, Australia
| | - Schelto Kruijff
- Department of Surgery, University Medical Center Groningen, University of Groningen, Groningen, The Netherlands
| | - Jia Feng Lin
- University of Sydney Endocrine Surgical Unit, Royal North Shore Hospital, Northern Sydney Local Health District, St Leonards, Australia.,Department of Surgery, University Medical Center Groningen, University of Groningen, Groningen, The Netherlands
| | - Anthony J Gill
- Northern Clinical School, Sydney Medical School, Faculty of Medicine and Health, University of Sydney, Sydney, NSW, Australia.,NSW Health Pathology Department of Anatomical Pathology, Royal North Shore Hospital, Northern Sydney Local Health District, St Leonards, NSW, Australia.,Cancer Diagnsosis and Pathology Group, Kolling Institute of Medical Research, Royal North Shore Hospital, Northern Sydney Local Health District, St Leonards, NSW, Australia
| | - Thomas Eade
- Department of Radiation Oncology, Royal North Shore Hospital, Northern Sydney Local Health District, St Leonards, NSW, Australia
| | - Ahmad Aniss
- University of Sydney Endocrine Surgical Unit, Royal North Shore Hospital, Northern Sydney Local Health District, St Leonards, Australia
| | - Roderick Clifton-Bligh
- Northern Clinical School, Sydney Medical School, Faculty of Medicine and Health, University of Sydney, Sydney, NSW, Australia.,Department of Endocrinology, Royal North Shore Hospital, Northern Sydney Local Health District, St Leonards, Australia
| | - Diana Learoyd
- Northern Clinical School, Sydney Medical School, Faculty of Medicine and Health, University of Sydney, Sydney, NSW, Australia.,Department of Endocrinology, Royal North Shore Hospital, Northern Sydney Local Health District, St Leonards, Australia
| | - Bruce Robinson
- Northern Clinical School, Sydney Medical School, Faculty of Medicine and Health, University of Sydney, Sydney, NSW, Australia.,Department of Endocrinology, Royal North Shore Hospital, Northern Sydney Local Health District, St Leonards, Australia
| | - Venessa Tsang
- Northern Clinical School, Sydney Medical School, Faculty of Medicine and Health, University of Sydney, Sydney, NSW, Australia.,Department of Endocrinology, Royal North Shore Hospital, Northern Sydney Local Health District, St Leonards, Australia
| | - Anthony Glover
- University of Sydney Endocrine Surgical Unit, Royal North Shore Hospital, Northern Sydney Local Health District, St Leonards, Australia.,Northern Clinical School, Sydney Medical School, Faculty of Medicine and Health, University of Sydney, Sydney, NSW, Australia.,Endocrine Cancer Program, Cancer Theme, The Kinghorn Cancer Centre, Garvan Institute of Medical Research, Sydney, NSW, 2010, Australia.,St. Vincent's Clinical School, Faculty of Medicine, University of New South Wales Sydney, Sydney, NSW, 2052, Australia
| | - Stanley Sidhu
- University of Sydney Endocrine Surgical Unit, Royal North Shore Hospital, Northern Sydney Local Health District, St Leonards, Australia.,Northern Clinical School, Sydney Medical School, Faculty of Medicine and Health, University of Sydney, Sydney, NSW, Australia
| | - Mark Sywak
- University of Sydney Endocrine Surgical Unit, Royal North Shore Hospital, Northern Sydney Local Health District, St Leonards, Australia. .,Northern Clinical School, Sydney Medical School, Faculty of Medicine and Health, University of Sydney, Sydney, NSW, Australia. .,University of Sydney Endocrine Surgery Unit, AMA House, St Leonards, NSW, 2065, Australia.
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