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Kovac D, Choe J, Liu E, Scheffert J, Hedvat J, Anamisis A, Salerno D, Lange N, Jennings DL. Immunosuppression considerations in simultaneous organ transplant. Pharmacotherapy 2021; 41:59-76. [PMID: 33325558 DOI: 10.1002/phar.2495] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/29/2020] [Revised: 10/21/2020] [Accepted: 12/01/2020] [Indexed: 12/12/2022]
Abstract
Solid organ transplantation is a life-saving procedure for patients in the end stage of heart, lung, kidney, and liver failure. For patients with more than one failing organ, simultaneous organ transplantation has emerged as a viable treatment option. Immunosuppression strategies and outcomes for simultaneous organ transplant recipients have been reported, but often involve limited populations. Transplanting dual organs poses challenges in terms of balancing immunosuppression with immunologic risk and allograft damage from surgical complications. Furthermore, transplanting certain organs can impose considerations on the management of immunosuppression. For example, liver allografts may confer immunologic privilege and lower rates of rejection of other allografts. This review article evaluates immunosuppression strategies for simultaneous kidney-pancreas, liver-kidney, heart-kidney, heart-liver, heart-lung, lung-liver, and lung-kidney transplants. To date, no comprehensive review exists to address immunosuppressive strategies in simultaneous organ transplant populations. Our review summarizes the available literature and provides evidence-based recommendations regarding immunosuppression strategies in simultaneous organ transplant recipients.
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Affiliation(s)
- Danielle Kovac
- Department of Pharmacy, NewYork-Presbyterian Columbia University Irving Medical Center, New York, New York, USA
| | - Jason Choe
- Department of Pharmacy, NewYork-Presbyterian Columbia University Irving Medical Center, New York, New York, USA
| | - Esther Liu
- Department of Pharmacy, NewYork-Presbyterian Weill Cornell Medical Center, New York, New York, USA
| | - Jenna Scheffert
- Department of Pharmacy, NewYork-Presbyterian Columbia University Irving Medical Center, New York, New York, USA
| | - Jessica Hedvat
- Department of Pharmacy, NewYork-Presbyterian Columbia University Irving Medical Center, New York, New York, USA
| | - Anastasia Anamisis
- Department of Pharmacy, NewYork-Presbyterian Columbia University Irving Medical Center, New York, New York, USA
| | - David Salerno
- Department of Pharmacy, NewYork-Presbyterian Weill Cornell Medical Center, New York, New York, USA
| | - Nicholas Lange
- Department of Pharmacy, NewYork-Presbyterian Columbia University Irving Medical Center, New York, New York, USA
| | - Douglas L Jennings
- Department of Pharmacy, NewYork-Presbyterian Columbia University Irving Medical Center, New York, New York, USA.,Division of Pharmacy Practice, Arnold & Marie Schwartz College of Pharmacy and Health Sciences, Long Island University, New York, New York, USA
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Goswami J, Lal J, Bhosale GP, Sinha A, Madhavi J. Exploring new frontiers: Organ transplant anaesthesia or bariatric anaesthesia. Indian J Anaesth 2021; 65:23-28. [PMID: 33767499 PMCID: PMC7980247 DOI: 10.4103/ija.ija_1449_20] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/18/2020] [Revised: 12/17/2020] [Accepted: 12/30/2020] [Indexed: 11/21/2022] Open
Abstract
Unlike previous years, Anaesthesiology today is a major speciality encompassing many areas of modern medicine. Advent of various surgical sub-specialities resulted into the emergence of anaesthesia sub-specialities, as every group of surgery has specific need. Choosing the best-suited speciality is a complex matter. For that, one needs to have an idea about each one of them. A postgraduate anaesthesiology student does not have adequate exposure to choose the speciality. This article will give an overview of two important sub-specialities i.e., Organ Transplant Anaesthesia and Bariatric Anaesthesia.
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Affiliation(s)
- Jyotsna Goswami
- Department of Anaesthesia, Critical Care and Pain, Tata Medical Center, Kolkata, West Bengal, India
| | - Jatin Lal
- Department of Anaesthesiology and Critical Care, Pt. B. D. Sharma PGIMS, Rohtak, Haryana, India
| | - Guruprasad P Bhosale
- Department of Anaesthesia and Critical Care, Institute of Kidney Diseases and Research Centre, Civil Hospital Campus, Ahmedabad, Gujarat, India
| | - Aparna Sinha
- Anesthesia Division, Max Institute of Laparoscopy Endoscopy and Bariatric Surgery, Max Hospital, Saket, New Delhi, India
| | - Julakanti Madhavi
- Upgraded Department of Anaesthesiology and Critical Care, Osmania Medical College, Hyderabad, Telangana, India
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53
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Pilch NA, Bowman LJ, Taber DJ. Immunosuppression trends in solid organ transplantation: The future of individualization, monitoring, and management. Pharmacotherapy 2020; 41:119-131. [PMID: 33131123 DOI: 10.1002/phar.2481] [Citation(s) in RCA: 65] [Impact Index Per Article: 16.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/15/2020] [Revised: 08/07/2020] [Accepted: 08/09/2020] [Indexed: 12/20/2022]
Abstract
Immunosuppression regimens used in solid organ transplant have evolved significantly over the past 70 years in the United States. Early immunosuppression and targets for allograft success were measured by incidence and severity of allograft rejection and 1-year patient survival. The limited number of agents, infancy of human leukocyte antigen (HLA) matching techniques and lack of understanding of immunoreactivity limited the early development of effective regimens. The 1980s and 1990s saw incredible advancements in these areas, with acute rejection rates halving in a short span of time. However, the constant struggle to achieve the optimal balance between under- and overimmunosuppression is weaved throughout the history of transplant immunosuppression. The aim of this paper is to discuss the different eras of immunosuppression and highlight the important milestones that were achieved while also discussing this in the context of rational agent selection and regimen design. This discussion sets the stage for how we can achieve optimal long-term outcomes during the next era of immunosuppression, which will move from universal protocols to patient-specific optimization.
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Affiliation(s)
- Nicole A Pilch
- Department of Pharmacy Practice and Outcomes Sciences, Medical University of South Carolina, Charleston, South Carolina, USA
| | - Lyndsey J Bowman
- Department of Pharmacy, Tampa General Hospital, Tampa, Florida, USA
| | - David J Taber
- Department of Surgery, Medical University of South Carolina, Charleston, South Carolina, USA.,Department of Pharmacy Services, Ralph H. Johnson VAMC, Charleston, South Carolina, USA
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Rössler F, Hübel K, Di Natale S, Oberkofler C, Gerber P, Bueter M, de Rougemont O. Sleeve gastrectomy enables simultaneous pancreas and kidney transplantation in severely obese recipients. Clin Transplant 2020; 35:e14197. [PMID: 33340422 DOI: 10.1111/ctr.14197] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/08/2020] [Revised: 12/02/2020] [Accepted: 12/09/2020] [Indexed: 11/30/2022]
Abstract
BACKGROUND Obesity adversely affects wait-listing and precludes patients with concomitant end-stage renal disease and type 1 diabetes mellitus from getting a simultaneous pancreas and kidney transplantation (SPK). OBJECTIVE To analyze safety and efficacy of laparoscopic sleeve gastrectomy (LSG) before SPK in severely obese type I diabetics. METHODS We assessed weight curve, complications, and graft function of three patients who underwent LSG before SPK. RESULTS LSG was uneventful in all patients. Body mass index dropped from 38.4 (range 35.7 - 39.9) before LSG to 28.5 (26.8 - 30.9) until SPK, with a mean loss of 25.8% (22.4 - 32.3). Interval between LSG and SPK was 364.3 (173 - 587) days. Pancreas and kidney graft function was excellent, with 100% insulin-free and dialysis-free survival over a mean follow-up of 3.6 (2.9 - 4.5) years. A1C dropped from 7% (6.3 - 8.2) before LSG to 4.9% (4.7 - 5.3) and 4.8% (4.5 - 5.1) 1 and 2 years after SPK, respectively. CONCLUSION LSG before SPK is safe and effective to enable severely obese type I diabetics to receive a lifesaving transplant. This is the first study analyzing the role of bariatric surgery before simultaneous pancreas and kidney transplantation.
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Affiliation(s)
- Fabian Rössler
- Department of Surgery and Transplantation, University Hospital Zurich, Zurich, Switzerland
| | - Kerstin Hübel
- Department of Nephrology, University Hospital Zurich, Zurich, Switzerland
| | - Samuela Di Natale
- Department of Surgery and Transplantation, University Hospital Zurich, Zurich, Switzerland
| | - Christian Oberkofler
- Department of Surgery and Transplantation, University Hospital Zurich, Zurich, Switzerland
| | - Philipp Gerber
- Department of Endocrinology, University Hospital Zurich, Zurich, Switzerland
| | - Marco Bueter
- Department of Surgery and Transplantation, University Hospital Zurich, Zurich, Switzerland
| | - Olivier de Rougemont
- Department of Surgery and Transplantation, University Hospital Zurich, Zurich, Switzerland
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Contrast-Enhanced Ultrasound Versus Doppler Ultrasound for Detection of Early Vascular Complications of Pancreas Grafts. AJR Am J Roentgenol 2020; 215:1093-1097. [PMID: 32960665 DOI: 10.2214/ajr.20.22858] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Abstract
OBJECTIVE. The purpose of this study is to compare conventional duplex ultrasound and contrast-enhanced ultrasound (CEUS) for identifying vascular abnormalities in pancreas allografts in the immediate posttransplant setting. Identification of pancreas allografts at risk of failure may impact patient care because early intervention for vascular insufficiency can lead to graft salvage. MATERIALS AND METHODS. Two radiologists who were blinded to patient outcomes performed a retrospective analysis of the postoperative Doppler ultrasound and CEUS images of 34 pancreas grafts from transplants performed between 2017 and 2019. A total of 28 patients who did not require surgical reexploration were considered the control group. Six patients had surgically proven arterial or venous abnormalities on surgical reexploration. Each radiologist scored grafts as having normal or abnormal vascularity on the basis of image sets obtained using Doppler ultrasound only and CEUS only. Comparisons of both the diagnostic performance of each modality and interobserver agreement were performed. RESULTS. Both readers showed that CEUS had increased sensitivity for detecting vascular abnormalities (83.3% for both readers) compared with Doppler ultrasound (66.7% and 50.0%). For both readers, the specificity of CEUS was similar to that of Doppler imaging (81.6% and 78.9% for reader 1 and reader 2 versus 76.3% and 84.2% for reader 1 and reader 2). For both readers, the negative predictive value of CEUS was higher than that of Doppler ultrasound (96.9% and 96.8% for reader 1 and reader 2 versus 93.5% and 91.4% for reader 1 and reader 2). Interobserver agreement was higher for CEUS than for Doppler ultrasound (κ = 0.54 vs κ = 0.28). CONCLUSION. CEUS may provide radiologists and surgeons with a means of timely and effective evaluation of pancreas graft perfusion after surgery, and it may help identify grafts that could benefit from surgical salvage.
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Scheuermann U, Rademacher S, Jahn N, Sucher E, Seehofer D, Sucher R, Hau HM. Impact of pre-transplant dialysis modality on the outcome and health-related quality of life of patients after simultaneous pancreas-kidney transplantation. Health Qual Life Outcomes 2020; 18:303. [PMID: 32912255 PMCID: PMC7488156 DOI: 10.1186/s12955-020-01545-3] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/19/2020] [Accepted: 08/26/2020] [Indexed: 01/08/2023] Open
Abstract
Background Simultaneous pancreas-kidney transplantation (SPKT) profoundly improves the health-related quality of life (HRQoL) of recipients. However, the influence of the pre-transplant dialysis modality on the success of the SPKT and post-transplant HRQoL remains unknown. Methods We analyzed the surgical outcome, long-term survival, as well as HRQoL of 83 SPKTs that were performed in our hospital between 2000 and 2016. Prior to transplant, 64 patients received hemodialysis (HD) and nineteen patients received peritoneal dialysis (PD). Physical and mental quality of life results from eight basic scales and the physical and mental component summaries (PCS and MCS) were measured using the Short Form 36 (SF-36) survey. Results Peri- and postoperative complications, as well as patient and graft survival were similar between the two groups. Both groups showed an improvement of HRQoL in all SF-36 domains after transplantation. Compared with patients who received HD before transplantation, PD patients showed significantly better results in four of the eight SF-36 domains: physical functioning (mean difference HD - PD: − 12.4 ± 4.9, P = < 0.01), bodily pain (− 14.2 ± 6.3, P < 0.01), general health (− 6.3 ± 2.8, P = 0.04), vitality (− 6.8 ± 2.6, P = 0.04), and PCS (− 5.2 ± 1.5, P < 0.01) after SPKT. In the overall study population, graft loss was associated with significant worsening of the HRQoL in all physical components (each P < 0.01). Conclusions The results of this analysis show that pre-transplant dialysis modality has no influence on the outcome and survival rate after SPKT. Regarding HRQoL, patients receiving PD prior to SPKT seem to have a slight advantage compared with patients with HD before transplantation.
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Affiliation(s)
- Uwe Scheuermann
- Department of Visceral, Transplantation, Thoracic and Vascular Surgery, University Hospital of Leipzig, Leipzig, Germany
| | - Sebastian Rademacher
- Department of Visceral, Transplantation, Thoracic and Vascular Surgery, University Hospital of Leipzig, Leipzig, Germany
| | - Nora Jahn
- Department of Anesthesiology and Intensive Care Medicine, University Hospital of Leipzig, Leipzig, Germany
| | - Elisabeth Sucher
- Department of Gastroenterology, University Hospital of Leipzig, Leipzig, Germany
| | - Daniel Seehofer
- Department of Visceral, Transplantation, Thoracic and Vascular Surgery, University Hospital of Leipzig, Leipzig, Germany
| | - Robert Sucher
- Department of Visceral, Transplantation, Thoracic and Vascular Surgery, University Hospital of Leipzig, Leipzig, Germany
| | - Hans-Michael Hau
- Department of Visceral, Transplantation, Thoracic and Vascular Surgery, University Hospital of Leipzig, Leipzig, Germany. .,Department of Visceral, Thoracic and Vascular Surgery, University Hospital and Faculty of Medicine Carl Gustav Carus, Technische Universität Dresden, Dresden, Germany.
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Navarro-Tableros V, Gai C, Gomez Y, Giunti S, Pasquino C, Deregibus MC, Tapparo M, Pitino A, Tetta C, Brizzi MF, Ricordi C, Camussi G. Islet-Like Structures Generated In Vitro from Adult Human Liver Stem Cells Revert Hyperglycemia in Diabetic SCID Mice. Stem Cell Rev Rep 2020; 15:93-111. [PMID: 30191384 PMCID: PMC6510809 DOI: 10.1007/s12015-018-9845-6] [Citation(s) in RCA: 20] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Abstract
A potential therapeutic strategy for diabetes is the transplantation of induced-insulin secreting cells. Based on the common embryonic origin of liver and pancreas, we studied the potential of adult human liver stem-like cells (HLSC) to generate in vitro insulin-producing 3D spheroid structures (HLSC-ILS). HLSC-ILS were generated by a one-step protocol based on charge dependent aggregation of HLSC induced by protamine. 3D aggregation promoted the spontaneous differentiation into cells expressing insulin and several key markers of pancreatic β cells. HLSC-ILS showed endocrine granules similar to those seen in human β cells. In static and dynamic in vitro conditions, such structures produced C-peptide after stimulation with high glucose. HLSC-ILS significantly reduced hyperglycemia and restored a normo-glycemic profile when implanted in streptozotocin-diabetic SCID mice. Diabetic mice expressed human C-peptide and very low or undetectable levels of murine C-peptide. Hyperglycemia and a diabetic profile were restored after HLSC-ISL explant. The gene expression profile of in vitro generated HLSC-ILS showed a differentiation from HLSC profile and an endocrine commitment with the enhanced expression of several markers of β cell differentiation. The comparative analysis of gene expression profiles after 2 and 4 weeks of in vivo implantation showed a further β-cell differentiation, with a genetic profile still immature but closer to that of human islets. In conclusion, protamine-induced spheroid aggregation of HLSC triggers a spontaneous differentiation to an endocrine phenotype. Although the in vitro differentiated HLSC-ILS were immature, they responded to high glucose with insulin secretion and in vivo reversed hyperglycemia in diabetic SCID mice.
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Affiliation(s)
- Victor Navarro-Tableros
- 2i3T - Scarl.-Molecular Biotechnology Center (MBC), University of Turin, Via Nizza, 52, 10126, Turin, Italy
| | - Chiara Gai
- Department of Medical Sciences, University of Turin, Corso Dogliotti 14, 10126, Turin, Italy.,Fondazione per la Ricerca Biomedica-ONLUS, Via Nizza, 52, 10126, Turin, Italy
| | - Yonathan Gomez
- Department of Medical Sciences, University of Turin, Corso Dogliotti 14, 10126, Turin, Italy.,Fondazione per la Ricerca Biomedica-ONLUS, Via Nizza, 52, 10126, Turin, Italy
| | - Sara Giunti
- Department of Medical Sciences, University of Turin, Corso Dogliotti 14, 10126, Turin, Italy.,Fondazione per la Ricerca Biomedica-ONLUS, Via Nizza, 52, 10126, Turin, Italy
| | - Chiara Pasquino
- Fondazione per la Ricerca Biomedica-ONLUS, Via Nizza, 52, 10126, Turin, Italy.,Molecular Biotechnology and Health Sciences, MBC, Via Nizza, 52, 10126, Turin, Italy
| | - Maria Chiara Deregibus
- 2i3T - Scarl.-Molecular Biotechnology Center (MBC), University of Turin, Via Nizza, 52, 10126, Turin, Italy
| | - Marta Tapparo
- Department of Medical Sciences, University of Turin, Corso Dogliotti 14, 10126, Turin, Italy.,Fondazione per la Ricerca Biomedica-ONLUS, Via Nizza, 52, 10126, Turin, Italy
| | - Adriana Pitino
- Molecular Biotechnology and Health Sciences, MBC, Via Nizza, 52, 10126, Turin, Italy
| | | | - Maria Felice Brizzi
- Department of Medical Sciences, University of Turin, Corso Dogliotti 14, 10126, Turin, Italy.,Fondazione per la Ricerca Biomedica-ONLUS, Via Nizza, 52, 10126, Turin, Italy
| | - Camillo Ricordi
- Diabetes Research Institute, University of Miami, Miami, FL, USA
| | - Giovanni Camussi
- Department of Medical Sciences, University of Turin, Corso Dogliotti 14, 10126, Turin, Italy. .,Fondazione per la Ricerca Biomedica-ONLUS, Via Nizza, 52, 10126, Turin, Italy.
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Flatt AJS, Bennett D, Counter C, Brown AL, White SA, Shaw JAM. β-Cell and renal transplantation options for diabetes. Diabet Med 2020; 37:580-592. [PMID: 31705689 DOI: 10.1111/dme.14177] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Accepted: 11/07/2019] [Indexed: 12/16/2022]
Abstract
Despite major advances in structured education, insulin delivery and glucose monitoring, diabetes self-management remains an unremitting challenge. Insulin therapy is inextricably linked to risk of dangerous hypoglycaemia and sustained hyperglycaemia remains a leading cause of renal failure. This review sets out to demystify transplantation for diabetes multidisciplinary teams, facilitating consideration and incorporation within holistic overall person-centred management. Deceased and living donor kidney, whole pancreas and isolated islet transplant procedures, indications and potential benefits are described, in addition to outcomes within the integrated UK transplant programme.
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Affiliation(s)
- A J S Flatt
- Institute of Cellular Medicine, Newcastle University, Newcastle upon Tyne, UK
- Institute of Transplantation, Freeman Hospital, Newcastle upon Tyne, UK
| | - D Bennett
- Institute of Transplantation, Freeman Hospital, Newcastle upon Tyne, UK
| | - C Counter
- Statistics and Clinical Studies, NHS Blood and Transplant, Bristol, UK
| | - A L Brown
- Institute of Transplantation, Freeman Hospital, Newcastle upon Tyne, UK
| | - S A White
- Institute of Transplantation, Freeman Hospital, Newcastle upon Tyne, UK
| | - J A M Shaw
- Institute of Cellular Medicine, Newcastle University, Newcastle upon Tyne, UK
- Institute of Transplantation, Freeman Hospital, Newcastle upon Tyne, UK
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David A, Frampas E, Douane F, Perret C, Leaute F, Cantarovich D, Karam G, Branchereau J. Management of vascular and nonvascular complications following pancreas transplantation with interventional radiology. Diagn Interv Imaging 2020; 101:629-638. [PMID: 32089482 DOI: 10.1016/j.diii.2020.02.002] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/11/2019] [Revised: 01/29/2020] [Accepted: 02/02/2020] [Indexed: 12/23/2022]
Abstract
Pancreas transplantation exposes to high rates of complications, either vascular (thrombosis, stenosis, pseudoaneurysm, arteriovenous fistula) or nonvascular (fluid collection, graft rejection). With advances in percutaneous and endovascular techniques, interventional radiologists are increasingly involved in the management of these complications. In this article, we review the anatomical considerations relevant to pancreas transplantation, the techniques used for image-guided interventions for vascular and nonvascular complications, and the expected outcomes of these interventions.
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Affiliation(s)
- A David
- Department of Radiology, Nantes University Hospital, University of Medicine of Nantes, 44093 Nantes, France.
| | - E Frampas
- Department of Radiology, Nantes University Hospital, University of Medicine of Nantes, 44093 Nantes, France
| | - F Douane
- Department of Radiology, Nantes University Hospital, University of Medicine of Nantes, 44093 Nantes, France
| | - C Perret
- Department of Radiology, Nantes University Hospital, University of Medicine of Nantes, 44093 Nantes, France
| | - F Leaute
- Department of Radiology, Nantes University Hospital, University of Medicine of Nantes, 44093 Nantes, France
| | - D Cantarovich
- Department of Nephrology, Nantes University Hospital, University of Medicine of Nantes, 44093 Nantes, France
| | - G Karam
- Department of Urology, Nantes University Hospital, University of Medicine of Nantes, 44093 Nantes, France
| | - J Branchereau
- Department of Urology, Nantes University Hospital, University of Medicine of Nantes, 44093 Nantes, France
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Sucher R, Rademacher S, Jahn N, Brunotte M, Wagner T, Alvanos A, Sucher E, Seehofer D, Scheuermann U, Hau HM. Effects of simultaneous pancreas-kidney transplantation and kidney transplantation alone on the outcome of peripheral vascular diseases. BMC Nephrol 2019; 20:453. [PMID: 31815616 PMCID: PMC6902504 DOI: 10.1186/s12882-019-1649-7] [Citation(s) in RCA: 16] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/27/2019] [Accepted: 11/28/2019] [Indexed: 11/10/2022] Open
Abstract
Background The effects of Simultaneous Pancreas Kidney Transplantation (SPKT) on Peripheral Vascular Disease (PVD) warrants additional study and more target focus, since little is known about the mid- and long-term effects on the progression of PVD after transplantation. Methods 101 SPKT and 26 Kidney Transplantation Alone (KTA) recipients with insulin-dependent diabetes mellitus (IDDM) were retrospectively evaluated with regard to graft and metabolic outcome. Special subgroup analysis was directed towards the development and progression of peripheral vascular complications (PVC) (amputation, ischemic ulceration, lower extremity angioplasty/ bypass surgery) after transplantation. Results The 10-year patient survival was significantly higher in the SPKT group (SPKT: 82% versus KTA 40%; P < 0.001). KTA recipients had a higher prevalence of atherosclerotic risk factors, including coronary artery disease (P < 0.001), higher serum triglyceride levels (P = 0.049), higher systolic (P = 0.03) and diastolic (P = 0.02) blood pressure levels. The incidence of PVD before transplantation was comparable between both groups (P = 0.114). Risk factor adjusted multivariate analysis revealed that patients with SPKT had a significant lower amount (32%) of PVCs (32 PVCs in 21 out of 101 SPKT; P < 0.001) when compared to the KTA patients who developed a significant increase in PVCs to 69% of cases (18 PVCs in 11 out of 26 KTA; P < 0.001). In line mean values of HbA1c (P < 0.01) and serum triglycerides (P < 0.01) were significantly lower in patients with SPKT > 8 years after transplantation. Conclusion SPKT favorably slows down development and progression of PVD by maintaining a superior metabolic vascular risk profile in patients with IDDM1.
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Affiliation(s)
- Robert Sucher
- Department of Visceral, Transplantation, Vascular and Thoracic Surgery, University Hospital of Leipzig, Leipzig, Germany
| | - Sebastian Rademacher
- Department of Visceral, Transplantation, Vascular and Thoracic Surgery, University Hospital of Leipzig, Leipzig, Germany
| | - Nora Jahn
- Department of Anesthesiology and Intensive Care Medicine, University Hospital of Leipzig, Leipzig, Germany
| | - Max Brunotte
- Department of Visceral, Transplantation, Vascular and Thoracic Surgery, University Hospital of Leipzig, Leipzig, Germany
| | - Tristan Wagner
- Department of Visceral, Transplantation, Vascular and Thoracic Surgery, University Hospital of Leipzig, Leipzig, Germany
| | - Athanasios Alvanos
- Department of Visceral, Transplantation, Vascular and Thoracic Surgery, University Hospital of Leipzig, Leipzig, Germany
| | - Elisabeth Sucher
- Department of Gastroenterology, University Hospital of Leipzig, Leipzig, Germany
| | - Daniel Seehofer
- Department of Visceral, Transplantation, Vascular and Thoracic Surgery, University Hospital of Leipzig, Leipzig, Germany
| | - Uwe Scheuermann
- Department of Visceral, Transplantation, Vascular and Thoracic Surgery, University Hospital of Leipzig, Leipzig, Germany
| | - Hans-Michael Hau
- Department of Visceral, Transplantation, Vascular and Thoracic Surgery, University Hospital of Leipzig, Leipzig, Germany. .,Department of Surgery, University Hospital of Leipzig, Liebigstrasse 20, 04103, Leipzig, Germany.
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61
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Thakkar RG, Kanwar A, Singh A, Hawche G, Talbot D, Wilson C, Manas DM, White SA. Preemptive Appendicectomy at the Time of Pancreas Transplantation: Is It Necessary? EXP CLIN TRANSPLANT 2019; 17:792-795. [PMID: 31580234 DOI: 10.6002/ect.2019.0186] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
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Abstract
PURPOSE OF REVIEW Beta-cell replacement is the best therapeutic option for patients with type 1 diabetes. Because of donor scarcity, more extended criteria donors are used for transplantation. Donation after circulatory death donors (DCD) are not commonly used for pancreas transplantation, because of the supposed higher risk of complications. This review gives an overview on the pathophysiology, risk factors, and outcome in DCD transplantation and discusses different preservation methods. RECENT FINDINGS Studies on outcomes of DCD pancreata show similar results compared with those of donation after brain death (DBD), when accumulation of other risk factors is avoided. Hypothermic machine perfusion is shown to be a safe method to improve graft viability in experimental settings. DCD should not be the sole reason to decline a pancreas for transplantation. Adequate donor selection and improved preservation techniques can lead to enhanced pancreas utilization and outcome.
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Affiliation(s)
- M. Leemkuil
- 0000 0000 9558 4598grid.4494.dDepartment of Surgery, University of Groningen, University Medical Center Groningen, P.O. Box 30 001, 9700 RB Groningen, The Netherlands
| | - H. G. D. Leuvenink
- 0000 0000 9558 4598grid.4494.dDepartment of Surgery, University of Groningen, University Medical Center Groningen, P.O. Box 30 001, 9700 RB Groningen, The Netherlands
| | - R. A. Pol
- 0000 0000 9558 4598grid.4494.dDepartment of Surgery, University of Groningen, University Medical Center Groningen, P.O. Box 30 001, 9700 RB Groningen, The Netherlands
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Swensson J, Nagaraju S, O'Brien D, Tann M, Shah A, Mangus R, Powelson J, Fridell J. Contrast‐enhanced ultrasound of the transplant pancreas in the post‐operative setting. Clin Transplant 2019; 33:e13733. [DOI: 10.1111/ctr.13733] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/12/2019] [Revised: 10/02/2019] [Accepted: 10/14/2019] [Indexed: 12/16/2022]
Affiliation(s)
| | | | - Daniel O'Brien
- Indiana University School of Medicine Indianapolis Indiana
| | - Mark Tann
- Indiana University School of Medicine Indianapolis Indiana
| | - Angela Shah
- Indiana University School of Medicine Indianapolis Indiana
| | - Richard Mangus
- Indiana University School of Medicine Indianapolis Indiana
| | - John Powelson
- Indiana University School of Medicine Indianapolis Indiana
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Zhou J, Dong Y, Mei S, Gu Y, Li Z, Xiang J, Zheng H, Chen Z, Huang Z, Hu Z. Influence of duration of type 1 diabetes on long‐term pancreatic transplant outcomes. JOURNAL OF HEPATO-BILIARY-PANCREATIC SCIENCES 2019; 26:583-592. [PMID: 31566900 DOI: 10.1002/jhbp.677] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/21/2023]
Affiliation(s)
- Jie Zhou
- Division of Hepatobiliary and Pancreatic Surgery Department of Surgery First Affiliated Hospital School of Medicine Zhejiang University Hangzhou Zhejiang China
| | - Yinlei Dong
- Division of Hepatobiliary and Pancreatic Surgery Department of Surgery First Affiliated Hospital School of Medicine Zhejiang University Hangzhou Zhejiang China
| | - Shengmin Mei
- Division of Hepatobiliary and Pancreatic Surgery Department of Surgery First Affiliated Hospital School of Medicine Zhejiang University Hangzhou Zhejiang China
| | - Yangjun Gu
- Division of Hepatobiliary and Pancreatic Surgery Department of Surgery First Affiliated Hospital School of Medicine Zhejiang University Hangzhou Zhejiang China
| | - Zhiwei Li
- Division of Hepatobiliary and Pancreatic Surgery Department of Surgery First Affiliated Hospital School of Medicine Zhejiang University Hangzhou Zhejiang China
| | - Jie Xiang
- Division of Hepatobiliary and Pancreatic Surgery Department of Surgery First Affiliated Hospital School of Medicine Zhejiang University Hangzhou Zhejiang China
| | - Huilin Zheng
- Zhejiang Provincial Collaborative Innovation Center of Agricultural Biological Resource Biochemical Manufacturing School of Biological and Chemical Engineering Zhejiang University of Science and Technology Hangzhou Zhejiang China
| | - Zheng Chen
- Division of Hepatobiliary and Pancreatic Surgery Department of Surgery First Affiliated Hospital School of Medicine Zhejiang University Hangzhou Zhejiang China
| | - Zhichao Huang
- Division of Hepatobiliary and Pancreatic Surgery Department of Surgery First Affiliated Hospital School of Medicine Zhejiang University Hangzhou Zhejiang China
| | - Zhenhua Hu
- Division of Hepatobiliary and Pancreatic Surgery Department of Surgery First Affiliated Hospital School of Medicine Zhejiang University Hangzhou Zhejiang China
- Division of Hepatobiliary and Pancreatic Surgery Department of Surgery Fourth Affiliated Hospital School of Medicine Zhejiang University Yiwu Zhejiang China
- Division of Hepatobiliary and Pancreatic Surgery Yiwu Central Hospital Yiwu Zhejiang China
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Liu L, Xiong Y, Zhang T, Fang J, Zhang L, Li G, Xu L, Lai X, Chen R, Guo Y, Pan G, Ma J, Chen Z. Effect of simultaneous pancreas-kidney transplantation on blood glucose level for patients with end-stage renal disease with type 1 and type 2 diabetes. ANNALS OF TRANSLATIONAL MEDICINE 2019; 7:631. [PMID: 31930032 DOI: 10.21037/atm.2019.10.106] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/20/2023]
Abstract
BACKGROUND Simultaneous pancreas-kidney (SPK) transplants for patients with type 1 diabetes mellitus (T1DM) remains disproportionately higher than that for type 2 diabetes mellitus (T2DM) patients. However, understanding the surgical outcomes for these patients is not well described. Therefore, the results of DM patients with end-stage renal disease and their transplantations were reported. METHODS Between September 2016 and June 2019, 63 SPK transplants were performed in our organ transplantation center. χ2 and t-test compared the variables between the groups and the record review verified the patient survival. Using Kaplan-Meier survival estimates and Cox proportional hazards regression, we examined the influence of SPK on patient and graft survivals. RESULTS Sixty-three SPK transplantation was performed, 18 (29%) were T1DM, and 45 (71%) T2DM. T2DM recipients had older age, duration of diabetes, and pretransplant dialysis time. No differences were found in human leukocyte antigen (HLA) mismatch, body mass index (BMI), and other variables. Patient survivals for T1DM was 98.2% and 94.8% at 1 and 2 years vs. 100% and 94.1% for T2DM recipients (P=0.87). There was no increased risk between kidney disease, pancreas failure, or death when comparing T2DM and T1DM. CONCLUSIONS In our single-center cohort of SPK transplants, we concluded that SPK recipients with T2DM diagnosis were not at increased risk for death, kidney failure, or pancreas failure when compared with recipients with T1DM.
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Affiliation(s)
- Luhao Liu
- Department of Organ Transplantation, The Second Affiliated Hospital of Guangzhou Medical University, Guangzhou 511447, China
| | - Yunyi Xiong
- Department of Organ Transplantation, The Second Affiliated Hospital of Guangzhou Medical University, Guangzhou 511447, China
| | - Tao Zhang
- Department of Organ Transplantation, The Second Affiliated Hospital of Guangzhou Medical University, Guangzhou 511447, China
| | - Jiali Fang
- Department of Organ Transplantation, The Second Affiliated Hospital of Guangzhou Medical University, Guangzhou 511447, China
| | - Lei Zhang
- Department of Organ Transplantation, The Second Affiliated Hospital of Guangzhou Medical University, Guangzhou 511447, China
| | - Guanghui Li
- Department of Organ Transplantation, The Second Affiliated Hospital of Guangzhou Medical University, Guangzhou 511447, China
| | - Lu Xu
- Department of Organ Transplantation, The Second Affiliated Hospital of Guangzhou Medical University, Guangzhou 511447, China
| | - Xingqiang Lai
- Department of Organ Transplantation, The Second Affiliated Hospital of Guangzhou Medical University, Guangzhou 511447, China
| | - Rongxin Chen
- Department of Organ Transplantation, The Second Affiliated Hospital of Guangzhou Medical University, Guangzhou 511447, China
| | - Yuhe Guo
- Department of Organ Transplantation, The Second Affiliated Hospital of Guangzhou Medical University, Guangzhou 511447, China
| | - Guanghui Pan
- Department of Organ Transplantation, The Second Affiliated Hospital of Guangzhou Medical University, Guangzhou 511447, China
| | - Junjie Ma
- Department of Organ Transplantation, The Second Affiliated Hospital of Guangzhou Medical University, Guangzhou 511447, China
| | - Zheng Chen
- Department of Organ Transplantation, The Second Affiliated Hospital of Guangzhou Medical University, Guangzhou 511447, China
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Pancreas Retransplant After Pancreas Graft Failure in Simultaneous Pancreas-kidney Transplants Is Associated With Better Kidney Graft Survival. Transplant Direct 2019; 5:e473. [PMID: 31576369 PMCID: PMC6708628 DOI: 10.1097/txd.0000000000000919] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/29/2019] [Revised: 06/06/2019] [Accepted: 06/08/2019] [Indexed: 11/30/2022] Open
Abstract
Background. Simultaneous pancreas-kidney (SPK) transplant is usually the best option for the diabetic end-stage renal disease patient. There is limited information about kidney graft outcomes in SPK recipients with isolated pancreas graft failure who do versus do not undergo pancreas retransplantation. Methods. Patients were divided into 2 groups based on whether they underwent pancreas retransplant (ReTx+) or not (ReTx−). Kidney graft function and survival were the primary endpoints. Results. One hundred and nine patients satisfied our selection criteria, 25 in ReTx+ and 84 in ReTx−. Mean interval from SPK to pancreas failure was significantly shorter in the ReTx+ compared with the ReTx− group, 19.3 ± 36.7 versus 45.7 ± 47.0 months (P = 0.01), respectively. There was no significant difference in kidney graft follow-up post SPK between 2 groups (P = 0.48). At last follow-up, 15 of the 25 (60%) of the repeat pancreas graft had failed, with a mean graft survival among these failed pancreas graft of 2.6 ± 2.7 years, ranging from 0 to 8.1 years. Uncensored kidney graft failure was significantly lower in the ReTx+ group compared with the ReTx− group, 44% versus 67% (P = 0.04). Death-censored kidney graft failure was also lower in the ReTx+ group, 24% versus 48% (P = 0.04). The difference in patient survival did not reach statistical significance. In adjusted Cox regression analysis, rejection as a cause of pancreas failure was associated with increased risk of death-censored kidney graft failure, and pancreas retransplantation was associated with decreased risk of kidney graft failure. A similar pattern was seen after 1:1 matching for the interval between SPK and pancreas graft failure. Conclusions. Even though ReTx+ patients accept the risks associated with repeat pancreas surgery, providers should consider this option in suitable otherwise healthy patients.
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Liao WW, Ling XC, Zhang C, Liu FR, Zhu XF, He XS, Hu AB. Novel surgical technique and efficacy analysis of donor pancreas preparation without vascular reconstruction in pancreas transplantation. J Int Med Res 2019; 47:6182-6191. [PMID: 31500486 PMCID: PMC7045680 DOI: 10.1177/0300060519870894] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022] Open
Abstract
Objective Because of the complicated blood supply and vascular structure of the pancreas, blood vessel reconstruction and reshaping are generally required during pancreas transplantation. We modified the vascular preparation procedure for the donor pancreas (i.e., no vascular reconstruction was performed) based on experiences in our department and in other domestic and international transplantation centers. Methods Twelve donor pancreas preparations without vascular reconstruction were performed. The patch (Carrel patch), celiac trunk, and superior mesenteric artery were preserved as arterial inflow channels for the donor pancreas. The common hepatic artery and the gastroduodenal artery were transected at a site 0.5 cm away from the bifurcation. The bifurcated portion was preserved for the donor liver. The stumps of the gastroduodenal artery and common hepatic artery were then ligated. The portal vein was transected in the middle of the hepatoduodenal ligament during separation of the liver and pancreas. The partial portal vein preserved with the pancreas was used as the outflow channel of the donor pancreas. Results The transplanted pancreas functioned well in the recipients, and no vascular complications were reported. Conclusion The overall efficacy of pancreas transplantation without vascular reconstruction has been improved.
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Affiliation(s)
- Wen-Wei Liao
- Organ Transplantation Center of the First Affiliated Hospital, Sun Yat-sen University, Guangdong Provincial Key Laboratory of Organ Donation and Transplant Immunology, Guangdong Provincial International Cooperation Base of Science and Technology (Organ Transplantation Center), Guangzhou, China
| | - Xiang-Chao Ling
- Organ Transplantation Center of the First Affiliated Hospital, Sun Yat-sen University, Guangdong Provincial Key Laboratory of Organ Donation and Transplant Immunology, Guangdong Provincial International Cooperation Base of Science and Technology (Organ Transplantation Center), Guangzhou, China
| | - Cheng Zhang
- Organ Transplantation Center of the First Affiliated Hospital, Sun Yat-sen University, Guangdong Provincial Key Laboratory of Organ Donation and Transplant Immunology, Guangdong Provincial International Cooperation Base of Science and Technology (Organ Transplantation Center), Guangzhou, China
| | - Fu-Rong Liu
- Cardiac Surgery Itensive Care Unit of the First Affiliated Hospital, Sun Yat-sen University, Guangzhou, China
| | - Xiao-Feng Zhu
- Organ Transplantation Center of the First Affiliated Hospital, Sun Yat-sen University, Guangdong Provincial Key Laboratory of Organ Donation and Transplant Immunology, Guangdong Provincial International Cooperation Base of Science and Technology (Organ Transplantation Center), Guangzhou, China
| | - Xiao-Shun He
- Organ Transplantation Center of the First Affiliated Hospital, Sun Yat-sen University, Guangdong Provincial Key Laboratory of Organ Donation and Transplant Immunology, Guangdong Provincial International Cooperation Base of Science and Technology (Organ Transplantation Center), Guangzhou, China
| | - An-Bin Hu
- Organ Transplantation Center of the First Affiliated Hospital, Sun Yat-sen University, Guangdong Provincial Key Laboratory of Organ Donation and Transplant Immunology, Guangdong Provincial International Cooperation Base of Science and Technology (Organ Transplantation Center), Guangzhou, China
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Encapsulation of Mesenchymal Stem Cells in 3D Ovarian Cell Constructs Promotes Stable and Long-Term Hormone Secretion with Improved Physiological Outcomes in a Syngeneic Rat Model. Ann Biomed Eng 2019; 48:1058-1070. [PMID: 31367915 DOI: 10.1007/s10439-019-02334-w] [Citation(s) in RCA: 16] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/13/2019] [Accepted: 07/24/2019] [Indexed: 02/06/2023]
Abstract
Loss of ovarian function (e.g., due to menopause) leads to profound physiological effects in women including changes in sexual function and osteoporosis. Hormone therapies are a known solution, but their use has significantly decreased due to concerns over cardiovascular disease and certain cancers. We recently reported a tissue-engineering strategy for cell hormone therapy (cHT) in which granulosa cells and theca cells are encapsulated to mimic native ovarian follicles. cHT improved physiological outcomes and safety compared to pharmacological hormone therapies in a rat ovariectomy model. However, cHT did not achieve estrogen levels as high as ovary-intact animals. In this report, we examined if hormone secretion from cHT constructs is impacted by incorporation of bone marrow-derived mesenchymal stem cells (BMSC) since these cells contain regulatory factors such as aromatase necessary for estrogen production. Incorporation of BMSCs led to enhanced estrogen secretion in vitro. Moreover, cHT constructs with BMSCs achieved estrogen secretion levels significantly greater than constructs without BMSCs in ovariectomized rats from 70 to 90 days after implantation, while also regulating pituitary hormones. cHT constructs with BMSC ameliorated estrogen deficiency-induced uterine atrophy without hyperplasia. The results indicate that inclusion of BMSC in cHT strategies can improve performance.
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Räihä J, Helanterä I, Ekstrand A, Nordin A, Sallinen V, Lempinen M. Effect of Pretransplant Dialysis Modality on Outcomes After Simultaneous Pancreas-Kidney Transplantation. Ann Transplant 2019; 24:426-431. [PMID: 31320604 PMCID: PMC6668491 DOI: 10.12659/aot.916649] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022] Open
Abstract
Background Pretransplant dialysis modality may affect outcome after simultaneous pancreas-kidney transplantation (SPKT), and it has been suspected that peritoneal dialysis (PD) is associated with more postoperative complications compared to hemodialysis (HD). The aim of this study was to evaluate whether pretransplant dialysis modality affects the risk for postoperative complications in SPKT recipients. Material/Methods This was a retrospective longitudinal cohort study of all patients undergoing SPKT from 2010 to 2017, during which 99 simultaneous pancreas-kidney transplantations were performed. Three pre-emptive transplantations were excluded. Patient groups receiving PD (n=59) or HD (n=37) were similar regarding baseline characteristics. All complications occurring during the first 3 months after transplantation, as well as patient and graft survival, were analyzed. Results There were no significant differences in postoperative complications between groups, with similar rates of intra-abdominal infections (8% in HD vs. 10% in PD), pancreatitis (16% in HD vs. 17% in PD), gastrointestinal bleedings (22% in HD vs. 10% in PD), and relaparotomies (27% in HD vs. 24% in PD). None of the patients had venous graft thrombosis. Past peritonitis was not associated with increased risk for postoperative complications in PD patients. Patient and graft survival were similar between PD and HD groups. Conclusions Peritoneal dialysis is not a risk factor for postoperative complications after SPKT.
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Affiliation(s)
- Juulia Räihä
- Department of Transplantation and Liver Surgery, University of Helsinki and Helsinki University Hospital, Helsinki, Finland
| | - Ilkka Helanterä
- Department of Transplantation and Liver Surgery, University of Helsinki and Helsinki University Hospital, Helsinki, Finland
| | - Agneta Ekstrand
- Department of Nephrology, University of Helsinki and Helsinki University Hospital, Helsinki, Finland
| | - Arno Nordin
- Department of Transplantation and Liver Surgery, University of Helsinki and Helsinki University Hospital, Helsinki, Finland
| | - Ville Sallinen
- Department of Transplantation and Liver Surgery, University of Helsinki and Helsinki University Hospital, Helsinki, Finland
| | - Marko Lempinen
- Department of Transplantation and Liver Surgery, University of Helsinki and Helsinki University Hospital, Helsinki, Finland
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Weis J, Ahlström H, Korsgren O. Proton MR spectroscopy of human pancreas allografts. MAGNETIC RESONANCE MATERIALS IN PHYSICS BIOLOGY AND MEDICINE 2019; 32:511-517. [PMID: 30937576 PMCID: PMC6647368 DOI: 10.1007/s10334-019-00740-8] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 12/10/2018] [Revised: 01/21/2019] [Accepted: 01/22/2019] [Indexed: 12/16/2022]
Abstract
OBJECTIVE To estimate pancreas graft relaxation times and concentrations of total fat, and the intracellular lipids of non-adipose pancreatic cells (NAPC) using proton (1H) magnetic resonance spectroscopy (MRS) during cold preservation. MATERIALS AND METHODS Grafts from 11 human donors were investigated. Each pancreas was perfused in situ with histidine-tryptophan-ketoglutarate (HTK) or with University of Wisconsin solution and placed into a transport container. Temperature of the grafts was maintained at 4 ± 2 °C during transport to our hospital and MR scanning. A 1.5 T clinical scanner was used for the measurements. Single-voxel PRESS spectra were acquired using transmit-receiver head coil. RESULTS Relaxation times were measured for lipid (-CH2-)n (T1, 287 ± 60 ms; T2, 27 ± 4 ms), and tissue water (T1, 670 ± 69 ms; T2, 77 ± 17 ms). Average total fat, and intracellular lipids of NAPC concentrations were 79.2 ± 100.8 (range 2.4-304.4), and 2.9 ± 1.2 mmol/kg ww, respectively. CONCLUSION We have shown that 1H-MRS is a useful tool for the estimation of pancreas graft lipid concentrations. Total pancreatic fat and especially content of intracellular lipids of NAPC are valuable measures for inspection of graft quality prior to transplantation or islet of Langerhans isolation.
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Affiliation(s)
- Jan Weis
- Department of Medical Physics, Uppsala University Hospital, 751 85, Uppsala, Sweden.
| | - Håkan Ahlström
- Department of Radiology, Uppsala University Hospital, Uppsala, Sweden
| | - Olle Korsgren
- Rudbeck Laboratory, Department of Immunology, Genetics and Pathology, Uppsala University Hospital, Uppsala, Sweden
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Extended Pancreas Donor Program-The EXPAND Study: A Prospective Multicenter Trial Testing the Use of Pancreas Donors Older Than 50 Years. Transplantation 2019; 102:1330-1337. [PMID: 29406443 DOI: 10.1097/tp.0000000000002122] [Citation(s) in RCA: 32] [Impact Index Per Article: 6.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
BACKGROUND Pancreas transplantation is the only curative treatment option for patients with juvenile diabetes. Organ shortage and restrictive allocation criteria are the main reasons for increasing waitlists, leading to severe morbidity and mortality. We designed a study to increase the donor pool with extended donor criteria (EDC) organs (donor age, 50-60 years; body mass index, 30-34 kg/m). METHODS Utilization of EDC organs required the implementation of a new allocation system within Eurotransplant. The study was a prospective, multicenter, 2-armed trial. The primary endpoint was pancreas function after 3 months. Rejection episodes, kidney function, and waitlist time were secondary endpoints. Patients receiving an EDC organ were study group patients; recipients of standard organs were control group patients. Follow-up was 1 year. RESULTS Seventy-nine patients were included in 12 German centers, 18 received EDC organs and 61 received standard organs. Recipient demographics were similar. Mean EDC donor age was 51.4 ± 5 years versus 31.7 ± 12 in the control group. Insulin-free graft survival was 83.3% for EDC and 67.2% for standard organs (P = 0.245) after 3 months. One-year pancreas survival was 83.3% and 83.5% in the EDC versus standard group. One-year kidney allograft survival was approximately 94% in both groups. Rejection episodes and morbidity were similar. CONCLUSIONS The Extended Pancreas Donor Program (EXPAND) shows in a prospective trial that selected EDC organs of donors older than 50 years can be used with outcomes similar to standard-criteria organs, therefore showing potential to reduce organ shortage and waiting times. This study substantiates the full implementation of EDC organs in a pancreas allocation system.
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Bladder-Drained Pancreas Transplantation: Urothelial Innate Defenses and Urinary Track Infection Susceptibility. J Surg Res 2019; 235:288-297. [DOI: 10.1016/j.jss.2018.09.028] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/07/2018] [Revised: 07/19/2018] [Accepted: 09/11/2018] [Indexed: 12/26/2022]
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A steady decline in pancreas transplantation rates. Pancreatology 2019; 19:31-38. [PMID: 30448085 DOI: 10.1016/j.pan.2018.11.003] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/17/2018] [Revised: 09/27/2018] [Accepted: 11/09/2018] [Indexed: 12/11/2022]
Abstract
BACKGROUND/OBJECTIVES After years of growth in many pancreas transplant programs, UNOS has reported declining transplant numbers in the USA. This precipitating trend urges for an evaluation of the transplant numbers and scientific productivity in the Eurotransplant region and the UK. METHODS We performed a trend analysis of pancreas transplantation rates, between 1997 and 2016, adjusting for changes in population size, and an analysis of scientific publications in this field. We used information from the UNOS, Eurotransplant, and UK transplant registry and bibliometric information from the Web of Science database. RESULTS Between 2004 and 2016 there was an average annual decline in pancreas transplantation rates per million inhabitants of 3.3% in the USA and 2.5% in the Eurotransplant region. In the UK, transplant numbers showed an average annual decline of 1.0% from 2009 to 2016. Publications in Q1 journals showed an annual change of -2.1% and +20.1%, before 2004, and a change of -3.8% and -5.5%, between 2004 and 2016, for USA and Eurotransplant publications, respectively. CONCLUSIONS Adjusting pancreas transplantation rates for changes in population size showed a clear decline in transplant numbers in both the USA and Eurotransplant region, with first signs of decline in the UK. Following this trend, the number of scientific publications in this field have declined worldwide.
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Shahjalal HM, Abdal Dayem A, Lim KM, Jeon TI, Cho SG. Generation of pancreatic β cells for treatment of diabetes: advances and challenges. Stem Cell Res Ther 2018; 9:355. [PMID: 30594258 PMCID: PMC6310974 DOI: 10.1186/s13287-018-1099-3] [Citation(s) in RCA: 75] [Impact Index Per Article: 12.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/30/2022] Open
Abstract
Human embryonic stem cells (hESC) and induced pluripotent stem cells (hiPSC) are considered attractive sources of pancreatic β cells and islet organoids. Recently, several reports presented that hESC/iPSC-derived cells enriched with specific transcription factors can form glucose-responsive insulin-secreting cells in vitro and transplantation of these cells ameliorates hyperglycemia in diabetic mice. However, the glucose-stimulated insulin-secreting capacity of these cells is lower than that of endogenous islets, suggesting the need to improve induction procedures. One of the critical problems facing in vivo maturation of hESC/iPSC-derived cells is their low survival rate after transplantation, although this rate increases when the implanted pancreatic cells are encapsulated to avoid the immune response. Several groups have also reported on the generation of hESC/iPSC-derived islet-like organoids, but development of techniques for complete islet structures with the eventual generation of vascularized constructs remains a major challenge to their application in regenerative therapies. Many issues also need to be addressed before the successful clinical application of hESC/iPSC-derived cells or islet organoids. In this review, we summarize advances in the generation of hESC/iPSC-derived pancreatic β cells or islet organoids and discuss the limitations and challenges for their successful therapeutic application in diabetes.
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Affiliation(s)
- Hussain Md. Shahjalal
- Department of Stem Cell & Regenerative Biotechnology and IDASI (Incurable Disease Animal model & Stem cell Institute), Konkuk University, 120 Neungdong-ro, Gwangjin-gu, Seoul, 05029 South Korea
- Department of Biochemistry and Molecular Biology, Jahangirnagar University, Savar, Dhaka, 1342 Bangladesh
| | - Ahmed Abdal Dayem
- Department of Stem Cell & Regenerative Biotechnology and IDASI (Incurable Disease Animal model & Stem cell Institute), Konkuk University, 120 Neungdong-ro, Gwangjin-gu, Seoul, 05029 South Korea
| | - Kyung Min Lim
- Department of Stem Cell & Regenerative Biotechnology and IDASI (Incurable Disease Animal model & Stem cell Institute), Konkuk University, 120 Neungdong-ro, Gwangjin-gu, Seoul, 05029 South Korea
| | - Tak-il Jeon
- Department of Stem Cell & Regenerative Biotechnology and IDASI (Incurable Disease Animal model & Stem cell Institute), Konkuk University, 120 Neungdong-ro, Gwangjin-gu, Seoul, 05029 South Korea
| | - Ssang-Goo Cho
- Department of Stem Cell & Regenerative Biotechnology and IDASI (Incurable Disease Animal model & Stem cell Institute), Konkuk University, 120 Neungdong-ro, Gwangjin-gu, Seoul, 05029 South Korea
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Stiegler P, Bausys A, Leber B, Strupas K, Schemmer P. Impact of Melatonin in Solid Organ Transplantation-Is It Time for Clinical Trials? A Comprehensive Review. Int J Mol Sci 2018; 19:ijms19113509. [PMID: 30413018 PMCID: PMC6274782 DOI: 10.3390/ijms19113509] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/14/2018] [Revised: 11/05/2018] [Accepted: 11/06/2018] [Indexed: 12/11/2022] Open
Abstract
Solid organ transplantation is the "gold standard" for patients with end-stage organ disease. However, the supply of donor organs is critical, with an increased organ shortage over the last few years resulting in a significant mortality of patients on waiting lists. New strategies to overcome the shortage of organs are urgently needed. Some experimental studies focus on melatonin to improve the donor pool and to protect the graft; however, current research has not reached the clinical level. Therefore, this review provides a comprehensive overview of the data available, indicating that clinical evaluation is warranted.
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Affiliation(s)
- Philipp Stiegler
- Department General, Visceral and Transplant Surgery, Medical University of Graz, Graz 8036, Austria.
- Transplant Center Graz, Medical University of Graz, Graz 8036, Austria.
| | - Augustinas Bausys
- Department General, Visceral and Transplant Surgery, Medical University of Graz, Graz 8036, Austria.
- Transplant Center Graz, Medical University of Graz, Graz 8036, Austria.
- Faculty of Medicine, Vilnius University, Vilnius 03101, Lithuania.
- Department of Abdominal Surgery and Oncology, National Cancer Institute, Vilnius 08660, Lithuania.
| | - Bettina Leber
- Transplant Center Graz, Medical University of Graz, Graz 8036, Austria.
| | - Kestutis Strupas
- Faculty of Medicine, Vilnius University, Vilnius 03101, Lithuania.
| | - Peter Schemmer
- Department General, Visceral and Transplant Surgery, Medical University of Graz, Graz 8036, Austria.
- Transplant Center Graz, Medical University of Graz, Graz 8036, Austria.
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Development and validation of a prognostic model for kidney function 1 year after combined pancreas and kidney transplantation using pre-transplant donor and recipient variables. Langenbecks Arch Surg 2018; 403:837-849. [PMID: 30338375 PMCID: PMC6244698 DOI: 10.1007/s00423-018-1712-z] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/13/2018] [Accepted: 09/17/2018] [Indexed: 01/20/2023]
Abstract
Purpose The widening gap between demand and supply of organs for transplantation provides extraordinary challenges for ethical donor organ allocation rules. The transplant community is forced to define favorable recipient/donor combinations for simultaneous kidney-pancreas transplantation. The aim of this study is the development of a prognostic model for the prediction of kidney function 1 year after simultaneous pancreas and kidney transplantation using pre-transplant donor and recipient variables with subsequent internal and external validation. Methods Included were patients with end-stage renal failure due to diabetic nephropathy. Multivariable logistic regression modeling was applied for prognostic model design with retrospective data from Hannover Medical School, Germany (01.01.2000–31.12.2011) followed by prospective internal validation (01 Jan. 2012–31 Dec. 2015). Retrospective data from another German transplant center in Kiel was retrieved for external model validation via the initially derived logit link function. Results The developed prognostic model is able to predict kidney graft function 1 year after transplantation ≥ KDIGO stage III with high areas under the receiver operating characteristic curve in the development cohort (0.943) as well as the internal (0.807) and external validation cohorts (0.784). Conclusion The proposed validated model is a valuable tool to optimize present allocation rules with the goal to prevent transplant futility. It might be used to support donor organ acceptance decisions for individual recipients. Electronic supplementary material The online version of this article (10.1007/s00423-018-1712-z) contains supplementary material, which is available to authorized users.
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Black CK, Termanini KM, Aguirre O, Hawksworth JS, Sosin M. Solid organ transplantation in the 21 st century. ANNALS OF TRANSLATIONAL MEDICINE 2018; 6:409. [PMID: 30498736 PMCID: PMC6230860 DOI: 10.21037/atm.2018.09.68] [Citation(s) in RCA: 166] [Impact Index Per Article: 27.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/20/2018] [Accepted: 09/29/2018] [Indexed: 12/20/2022]
Abstract
Solid organ transplantation (SOT) has emerged from an experimental approach in the 20th century to now being an established and practical definitive treatment option for patients with end-organ dysfunction. The evolution of SOT has seen the field progress rapidly over the past few decades with incorporation of a variety of solid organs-liver, kidney, pancreas, heart, and lung-into the donor pool. New advancements in surgical technique have allowed for more efficient and refined multi-organ procurements with minimal complications and decreased ischemic injury events. Additionally, immunosuppression therapy has also seen advancements with the expansion of immunosuppressive protocols to dampen the host immune response and improve short and long-term graft survival. However, the field of SOT faces new barriers, most importantly the expanding demand for SOT that is outpacing the current supply. Allocation protocols have been developed in an attempt to address these concerns. Other avenues for SOT are also being explored to increase the donor pool, including split-liver donor transplants, islet cell implantation for pancreas transplants, and xenotransplantation. The future of SOT is bright with exciting new research being explored to overcome current obstacles.
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Affiliation(s)
- Cara K. Black
- Georgetown University School of Medicine, Washington, DC, USA
| | | | - Oswaldo Aguirre
- MedStar Georgetown University Hospital, MedStar Georgetown Transplant Institute, Washington, DC, USA
| | - Jason S. Hawksworth
- MedStar Georgetown University Hospital, MedStar Georgetown Transplant Institute, Washington, DC, USA
| | - Michael Sosin
- Hansjörg Wyss Department of Plastic Surgery, NYU Langone Health, New York, NY, USA
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78
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Hu ZH, Gu YJ, Qiu WQ, Xiang J, Li ZW, Zhou J, Zheng SS. Pancreas grafts for transplantation from donors with hypertension: an analysis of the scientific registry of transplant recipients database. BMC Gastroenterol 2018; 18:141. [PMID: 30231859 PMCID: PMC6146664 DOI: 10.1186/s12876-018-0865-0] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/19/2018] [Accepted: 08/24/2018] [Indexed: 01/08/2023] Open
Abstract
BACKGROUND With the rising demands for pancreas transplantation, surgeons are trying to extend the donors pool and set up a more appropriate assessment system. We aim to evaluate the effect of donor hypertension on recipient overall and graft survival rates. METHODS Twenty-four thousand one hundred ninety-two pancreas transplantation patients from the Scientific Registry of Transplant Recipients database were subdivided into hypertension group (HTN, n = 1531) and non-hypertension group (non-HTN, n = 22,661) according to the hypertension status of donors. Recipient overall and graft survival were analyzed and compared by log rank test, and hazard ratios of predictors were estimated using Cox proportional hazard models. RESULTS Patient overall and graft survival of non-HTN group were higher than that of the HTN group (both p < 0.001). The duration of hypertension negatively influenced both overall and graft survival rates (both p < 0.001). Multivariate analyses demonstrated that hypertension was an independent factor for reduced survival (hazard ratio [HR], 1.10; 95% confidence interval [CI], 1.01-1.18; p < 0.001). Other independent factors included recipient body mass index (HR, 1.02; 95% CI, 1.01-1.05; p < 0.001) and transplant type (pancreas after kidney transplants / pancreas transplant alone vs. simultaneous pancreas-kidney transplants; HR, 1.41; 95% CI, 134-1.55; p < 0.001). CONCLUSIONS Donor hypertension is an independent factor for recipient survival after pancreas transplantation and could be considered in donor selection as well as post-transplant surveillance in clinical practice.
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Affiliation(s)
- Zhen-Hua Hu
- Division of Hepatobiliary and Pancreatic Surgery, Department of Surgery, First Affiliated Hospital, School of Medicine, Zhejiang University, 79N, Qingchun RD, Hangzhou, China.,Zhejiang University School of Medicine, Hangzhou, Zhejiang, China
| | - Yang-Jun Gu
- Division of Hepatobiliary and Pancreatic Surgery, Department of Surgery, First Affiliated Hospital, School of Medicine, Zhejiang University, 79N, Qingchun RD, Hangzhou, China.,Zhejiang University School of Medicine, Hangzhou, Zhejiang, China
| | - Wen-Qi Qiu
- Division of Hepatobiliary and Pancreatic Surgery, Department of Surgery, First Affiliated Hospital, School of Medicine, Zhejiang University, 79N, Qingchun RD, Hangzhou, China.,Zhejiang University School of Medicine, Hangzhou, Zhejiang, China
| | - Jie Xiang
- Division of Hepatobiliary and Pancreatic Surgery, Department of Surgery, First Affiliated Hospital, School of Medicine, Zhejiang University, 79N, Qingchun RD, Hangzhou, China.,Zhejiang University School of Medicine, Hangzhou, Zhejiang, China
| | - Zhi-Wei Li
- Division of Hepatobiliary and Pancreatic Surgery, Department of Surgery, First Affiliated Hospital, School of Medicine, Zhejiang University, 79N, Qingchun RD, Hangzhou, China.,Zhejiang University School of Medicine, Hangzhou, Zhejiang, China
| | - Jie Zhou
- Division of Hepatobiliary and Pancreatic Surgery, Department of Surgery, First Affiliated Hospital, School of Medicine, Zhejiang University, 79N, Qingchun RD, Hangzhou, China.,Zhejiang University School of Medicine, Hangzhou, Zhejiang, China
| | - Shu-Sen Zheng
- Division of Hepatobiliary and Pancreatic Surgery, Department of Surgery, First Affiliated Hospital, School of Medicine, Zhejiang University, 79N, Qingchun RD, Hangzhou, China. .,Zhejiang University School of Medicine, Hangzhou, Zhejiang, China.
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79
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Voutsinas N, Singh AP, Lewis S, Rosen A. Multi-Modality Imaging Evaluation of the Whole-Organ Pancreas Transplant. Curr Probl Diagn Radiol 2018; 48:289-297. [PMID: 30170772 DOI: 10.1067/j.cpradiol.2018.05.009] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/02/2018] [Revised: 04/17/2018] [Accepted: 05/19/2018] [Indexed: 11/22/2022]
Abstract
Pancreas transplants are an important treatment options for patients with severe diabetes mellitus and other medical conditions. Multiple-imaging modalities, including computed tomography (CT), magnetic resonance imaging (MRI) and ultrasound (US) are available to evaluate the pancreas transplants and their vascular supply, with the graft having a characteristic appearance on each modality. Complications of the graft and its vascular supply present interesting challenges to the clinicians and radiologists caring for this patient population. Being able to identify the imaging appearance of normal and abnormal pancreas transplants, it is necessary to ensure these patients are provided optimal care.
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Affiliation(s)
- Nicholas Voutsinas
- Department of Radiology, Icahn School of Medicine at Mount Sinai, New York, NY.
| | - Ayushi P Singh
- Department of Radiology, Icahn School of Medicine at Mount Sinai, New York, NY
| | - Sara Lewis
- Department of Radiology, Icahn School of Medicine at Mount Sinai, New York, NY; Translational and Molecular Imaging Institute, Icahn School of Medicine at Mount Sinai, New York, NY
| | - Ally Rosen
- Department of Radiology, Icahn School of Medicine at Mount Sinai, New York, NY
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80
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Messner F, Bösmüller C, Oberhuber R, Maglione M, Cardini B, Resch T, Scheidl S, Öfner D, Schneeberger S, Margreiter C. Late recurrent bleeding episodes from duodenojejunostomy after pancreas transplantation. Clin Transplant 2018; 32:e13350. [PMID: 30007083 DOI: 10.1111/ctr.13350] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/06/2018] [Revised: 06/29/2018] [Accepted: 07/09/2018] [Indexed: 12/19/2022]
Abstract
In response to a number of late, repetitive bleeding episodes from the site of the enteric anastomosis, we herein analyze the clinical courses and etiologies of 379 consecutively performed pancreas transplants between January 2000 and December 2016. Duodenojejunostomies for enteric drainage were performed at the upper jejunum in a side to side, double layer fashion. Five patients (1.3%) developed recurrent late hemorrhagic episodes originating from the graft duodenal anastomosis. Bleeding from the anastomotic site was associated with hematochezia, hemodynamic instability and decrease in serum hemoglobin. Mean onset was 6.4(±2.8) years after transplantation. Bleeding was recurrent (mean 5.2 ± 2.6) and required 9(±2.5) interventions. Hypervascularization, mucosal vulnerability, and bleeding at the site of the enteric anastomosis could be identified in all cases. In four patients, the enteric pancreas anastomosis was resected and a new duodenojejunostomy was performed. No pancreas graft loss occurred due to bleeding. In two patients, hepatic cirrhosis and portal hypertension were identified, one patient had a liver fibrosis as putative cause for the repetitive bleeding episodes. Late anastomotic hemorrhage is a rare but severe complication following pancreas transplantation. The treatment is challenging and includes endoscopy, interventional radiology, and surgery. Hepatic conditions with an increased portal pressure may be the underlying cause.
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Affiliation(s)
- Franka Messner
- Department of Visceral, Transplant and Thoracic Surgery, Medical University of Innsbruck, Innsbruck, Austria
| | - Claudia Bösmüller
- Department of Visceral, Transplant and Thoracic Surgery, Medical University of Innsbruck, Innsbruck, Austria
| | - Rupert Oberhuber
- Department of Visceral, Transplant and Thoracic Surgery, Medical University of Innsbruck, Innsbruck, Austria
| | - Manuel Maglione
- Department of Visceral, Transplant and Thoracic Surgery, Medical University of Innsbruck, Innsbruck, Austria
| | - Benno Cardini
- Department of Visceral, Transplant and Thoracic Surgery, Medical University of Innsbruck, Innsbruck, Austria
| | - Thomas Resch
- Department of Visceral, Transplant and Thoracic Surgery, Medical University of Innsbruck, Innsbruck, Austria
| | - Stefan Scheidl
- Department of Visceral, Transplant and Thoracic Surgery, Medical University of Innsbruck, Innsbruck, Austria
| | - Dietmar Öfner
- Department of Visceral, Transplant and Thoracic Surgery, Medical University of Innsbruck, Innsbruck, Austria
| | - Stefan Schneeberger
- Department of Visceral, Transplant and Thoracic Surgery, Medical University of Innsbruck, Innsbruck, Austria
| | - Christian Margreiter
- Department of Visceral, Transplant and Thoracic Surgery, Medical University of Innsbruck, Innsbruck, Austria
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81
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Yin H, Arpali E, Leverson GE, Sollinger HW, Kaufman DB, Odorico JS. Ipsilateral versus contralateral placement of the pancreas allograft in pancreas after kidney transplant recipients. Clin Transplant 2018; 32:e13337. [PMID: 29952108 DOI: 10.1111/ctr.13337] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/26/2017] [Revised: 06/08/2018] [Accepted: 06/16/2018] [Indexed: 12/11/2022]
Abstract
BACKGROUND In a diabetic, uremic kidney transplant recipient that may receive a future pancreas after kidney (PAK) transplant, the kidney is typically implanted on the left side in anticipation of the subsequent pancreas transplant on the right side. In this study, we sought to determine if ipsilateral PAK (iPAK) is as safe as contralateral PAK (cPAK). METHODS The 115 PAK transplants (iPAK n = 57, cPAK n = 58) were performed from 1997-2010 and results were compared between the groups. RESULTS Kidney graft survival and pancreas graft survival was similar between the two groups. Kidney graft function according to serum creatinine and eGFR was not different between the cPAK and the iPAK groups and there were no episodes of kidney graft thrombosis in either group. Subgroup analyses focusing on donor source also did not show worse outcomes for graft survivals in iPAK group when compared to cPAK group. CONCLUSIONS Pancreas and kidney graft survival in PAK transplants is unaffected by the surgical procedure and iPAK is safe.
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Affiliation(s)
- Hang Yin
- Division of Transplantation, Department of Surgery, University of Wisconsin-Madison School of Medicine and Public Health, Madison, Wisconsin
| | - Emre Arpali
- Division of Transplantation, Department of Surgery, University of Wisconsin-Madison School of Medicine and Public Health, Madison, Wisconsin
| | - Glen E Leverson
- Division of Transplantation, Department of Surgery, University of Wisconsin-Madison School of Medicine and Public Health, Madison, Wisconsin
| | - Hans W Sollinger
- Division of Transplantation, Department of Surgery, University of Wisconsin-Madison School of Medicine and Public Health, Madison, Wisconsin
| | - Dixon B Kaufman
- Division of Transplantation, Department of Surgery, University of Wisconsin-Madison School of Medicine and Public Health, Madison, Wisconsin
| | - Jon S Odorico
- Division of Transplantation, Department of Surgery, University of Wisconsin-Madison School of Medicine and Public Health, Madison, Wisconsin
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82
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Gasteiger S, Cardini B, Göbel G, Oberhuber R, Messner F, Resch T, Bösmüller C, Margreiter C, Schneeberger S, Maglione M. Outcomes of pancreas retransplantation in patients with pancreas graft failure. Br J Surg 2018; 105:1816-1824. [PMID: 30007018 PMCID: PMC6282534 DOI: 10.1002/bjs.10929] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/31/2017] [Revised: 03/17/2018] [Accepted: 06/01/2018] [Indexed: 12/23/2022]
Abstract
Background Pancreas retransplantation is still a controversial option after loss of a pancreatic graft. This article describes the experience of pancreas retransplantation at a high‐volume centre. Methods This was a retrospective observational study of all pancreas retransplantations performed in a single centre between 1997 and 2013. Pancreatic graft loss was defined by the return to insulin dependence. Risk factors for graft loss as well as patient and graft survival were analysed using logistic and time‐to‐event regression models. Results Of 409 pancreas transplantations undertaken, 52 (12·7 per cent) were identified as pancreas retransplantations. After a median follow‐up of 65·0 (range 0·8–174·3) months, 1‐ and 5‐year graft survival rates were 79 and 69 per cent respectively, and 1‐ and 5‐year patient survival rates were 96 and 89 per cent. During the entire follow‐up, 22 grafts (42 per cent) were lost. Patient survival was not associated with any of the donor‐ or recipient‐related factors investigated. Five‐year graft survival was better after simultaneous kidney–pancreas retransplantation than pancreas retransplantation alone: 80 per cent (16 of 20) versus 63 per cent (20 of 32) (P = 0·226). Acute rejection (odds ratio 4·49, 95 per cent c.i. 1·59 to 12·68; P = 0·005) and early surgical complications (OR 3·29, 1·09 to 9·99, P = 0·035) were identified as factors with an independent negative effect on graft survival. Conclusion Pancreas retransplantation may be considered for patients whose previous graft has failed. Good outcome in selected patients
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Affiliation(s)
- S Gasteiger
- Department of Visceral, Transplant and Thoracic Surgery, Medical University of Innsbruck, Innsbruck, Austria
| | - B Cardini
- Department of Visceral, Transplant and Thoracic Surgery, Medical University of Innsbruck, Innsbruck, Austria
| | - G Göbel
- Department of Medical Statistics, Informatics and Health Economics, Medical University of Innsbruck, Innsbruck, Austria
| | - R Oberhuber
- Department of Visceral, Transplant and Thoracic Surgery, Medical University of Innsbruck, Innsbruck, Austria
| | - F Messner
- Department of Visceral, Transplant and Thoracic Surgery, Medical University of Innsbruck, Innsbruck, Austria
| | - T Resch
- Department of Visceral, Transplant and Thoracic Surgery, Medical University of Innsbruck, Innsbruck, Austria
| | - C Bösmüller
- Department of Visceral, Transplant and Thoracic Surgery, Medical University of Innsbruck, Innsbruck, Austria
| | - C Margreiter
- Department of Visceral, Transplant and Thoracic Surgery, Medical University of Innsbruck, Innsbruck, Austria
| | - S Schneeberger
- Department of Visceral, Transplant and Thoracic Surgery, Medical University of Innsbruck, Innsbruck, Austria
| | - M Maglione
- Department of Visceral, Transplant and Thoracic Surgery, Medical University of Innsbruck, Innsbruck, Austria
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83
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Preoperative Muscle Volume Predicts Graft Survival After Pancreas Transplantation: A Retrospective Observational Cohort Study. Transplant Proc 2018; 50:1482-1488. [DOI: 10.1016/j.transproceed.2018.03.018] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/08/2018] [Accepted: 03/06/2018] [Indexed: 12/15/2022]
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84
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Marcacuzco A, Jiménez-Romero C, Manrique A, Calvo J, Cambra F, Caso Ó, García-Sesma Á, Nutu A, Justo I. Outcome of patients with hemodialysis or peritoneal dialysis undergoing simultaneous pancreas-kidney transplantation. Comparative study. Clin Transplant 2018; 32:e13268. [DOI: 10.1111/ctr.13268] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 04/09/2018] [Indexed: 12/11/2022]
Affiliation(s)
- Alberto Marcacuzco
- Faculty of Medicine; Department of Surgery; Unit of HPB Surgery and Abdominal Organ Transplantation; University Hospital “Doce de Octubre”; Complutense University (UCM); Madrid Spain
| | - Carlos Jiménez-Romero
- Faculty of Medicine; Department of Surgery; Unit of HPB Surgery and Abdominal Organ Transplantation; University Hospital “Doce de Octubre”; Complutense University (UCM); Madrid Spain
| | - Alejandro Manrique
- Faculty of Medicine; Department of Surgery; Unit of HPB Surgery and Abdominal Organ Transplantation; University Hospital “Doce de Octubre”; Complutense University (UCM); Madrid Spain
| | - Jorge Calvo
- Faculty of Medicine; Department of Surgery; Unit of HPB Surgery and Abdominal Organ Transplantation; University Hospital “Doce de Octubre”; Complutense University (UCM); Madrid Spain
| | - Félix Cambra
- Faculty of Medicine; Department of Surgery; Unit of HPB Surgery and Abdominal Organ Transplantation; University Hospital “Doce de Octubre”; Complutense University (UCM); Madrid Spain
| | - Óscar Caso
- Faculty of Medicine; Department of Surgery; Unit of HPB Surgery and Abdominal Organ Transplantation; University Hospital “Doce de Octubre”; Complutense University (UCM); Madrid Spain
| | - Álvaro García-Sesma
- Faculty of Medicine; Department of Surgery; Unit of HPB Surgery and Abdominal Organ Transplantation; University Hospital “Doce de Octubre”; Complutense University (UCM); Madrid Spain
| | - Anisa Nutu
- Faculty of Medicine; Department of Surgery; Unit of HPB Surgery and Abdominal Organ Transplantation; University Hospital “Doce de Octubre”; Complutense University (UCM); Madrid Spain
| | - Iago Justo
- Faculty of Medicine; Department of Surgery; Unit of HPB Surgery and Abdominal Organ Transplantation; University Hospital “Doce de Octubre”; Complutense University (UCM); Madrid Spain
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85
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86
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Evaluation of a single-pass with biphasic intravenous contrast medium injection CT protocol for the assessment of complications post-simultaneous pancreas-kidney transplant. Clin Radiol 2018; 73:677.e7-677.e11. [PMID: 29625745 DOI: 10.1016/j.crad.2018.02.018] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/20/2017] [Accepted: 02/06/2018] [Indexed: 11/22/2022]
Abstract
AIM To evaluate the use of a single-pass with biphasic intravenous contrast medium injection computed tomography (CT) protocol to provide diagnostic quality CT studies for the assessment of complications post-simultaneous pancreas-kidney transplant (SPK). MATERIALS AND METHODS This was an audit of practice and the need for informed consent was waived. The protocol was used in consecutive patients undergoing CT to exclude intra-abdominal sepsis post-SPK between June and December 2015. Single CT acquisition of the abdomen and pelvis was initiated 70 seconds after the start of biphasic contrast medium injection (66 ml at 1.2 ml/s, followed by 34 ml at 2.4 ml/s, 370 mg iodine/ml). The named transplant pancreas vessels were identified and the attenuation values of the blood within were measured. Diagnostic quality was confirmed if values were >211 HU and >80 HU in the arteries and veins, respectively. RESULTS Thirteen CT studies were performed in 10 patients. CT studies were excluded due to complete pancreatic necrosis, and transplant superior mesenteric artery (SMA) thrombus with pancreatic head ischaemia causing effacement of the transplant superior mesenteric vein (SMV). Diagnostic quality of the analysed CT studies were confirmed with mean attenuation value of blood >211 HU in the transplant pancreatic arteries (SMA=259.0±51.4 HU, splenic artery=245.3±37.5 HU), and >80 HU in the pancreatic veins (SMV=195.4±36.2 HU, splenic vein=185.1±54.2 HU). CONCLUSION Diagnostic quality CT studies were obtained using the single-pass CT protocol. Radiation exposure to patients may be reduced with this protocol, while permitting simultaneous assessment of parenchymal and vascular complications post-SPK.
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87
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[Transplantation strategy in type 1 diabetic patients]. Nephrol Ther 2018; 14 Suppl 1:S23-S30. [PMID: 29606260 DOI: 10.1016/j.nephro.2018.02.006] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/22/2017] [Accepted: 02/01/2018] [Indexed: 11/23/2022]
Abstract
Beta cell replacement by pancreas or Langerhans islets transplantation is the only way to restore glucose homeostasis in type 1 diabetic patients. The counterpart is the need for long-term immunosuppression. These transplantations are therefore mainly indicated for patients candidates for kidney transplantation and for patients with poor quality of life due to unstable diabetes with life-threatening hypoglycemic events. Both beta cell replacement techniques have different benefits and risks and should be adapted to each type 1 diabetic patient. The transplant strategy must be personalized according to parameters assessed in the pre-transplant period, validated by a multidisciplinary team and reassessed regularly until transplantation.
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88
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Zhang W, Li J, Qi G, Tu G, Yang C, Xu M. Myeloid-derived suppressor cells in transplantation: the dawn of cell therapy. J Transl Med 2018; 16:19. [PMID: 29378596 PMCID: PMC5789705 DOI: 10.1186/s12967-018-1395-9] [Citation(s) in RCA: 36] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/10/2017] [Accepted: 01/22/2018] [Indexed: 02/07/2023] Open
Abstract
Myeloid-derived suppressor cells (MDSCs) are a series of innate cells that play a significant role in inhibiting T cell-related responses. This heterogeneous population of immature cells is involved in tumor immunity. Recently, the function and importance of MDSCs in transplantation have garnered the attention of scientists and have become an important focus of transplantation immunology research because MDSCs play a key role in establishing immune tolerance in transplantation. In this review, we summarize recent studies of MDSCs in different types of transplantation. We also focus on the influence of immunosuppressive drugs on MDSCs as well as future obstacles and research directions in this field.
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Affiliation(s)
- Weitao Zhang
- Department of Urology, Zhongshan Hospital, Fudan University, Shanghai Key Laboratory of Organ Transplantation, 180 Fenglin Road, Shanghai, 200032 China
| | - Jiawei Li
- Department of Urology, Zhongshan Hospital, Fudan University, Shanghai Key Laboratory of Organ Transplantation, 180 Fenglin Road, Shanghai, 200032 China
| | - Guisheng Qi
- Department of Urology, Zhongshan Hospital, Fudan University, Shanghai Key Laboratory of Organ Transplantation, 180 Fenglin Road, Shanghai, 200032 China
| | - Guowei Tu
- Department of Intensive Care Medicine, Zhongshan Hospital, Fudan University, Shanghai, China
| | - Cheng Yang
- Department of Urology, Zhongshan Hospital, Fudan University, Shanghai Key Laboratory of Organ Transplantation, 180 Fenglin Road, Shanghai, 200032 China
| | - Ming Xu
- Department of Urology, Zhongshan Hospital, Fudan University, Shanghai Key Laboratory of Organ Transplantation, 180 Fenglin Road, Shanghai, 200032 China
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Abstract
PURPOSE OF REVIEW The use of organs from donors after circulatory death (DCD) has become standard practice in solid organ transplantation of most abdominal organs and has been used successfully in some centres for pancreas transplantation. Nevertheless, concerns regarding poor graft outcomes and complications remain. This review aims to discuss the current state of DCD pancreas transplantation and the associated outcomes. RECENT FINDINGS In many countries, whereas the number of donors after brainstem death (DBD) remains stable, the mean age and BMI have increased making these donors, previously considered to be low risk, now more marginal. Recent meta-analyses have confirmed previous single-centre and registry reports that graft and patient survival after DCD pancreas transplantation are comparable with outcomes using pancreases from DBD donors; DCD pancreas transplantation is now common practice in several countries in Europe, particularly the United Kingdom. Although there have been reports of higher thrombosis rates after DCD pancreas transplantation, the significance of this is difficult to judge as the impact has not been seen in overall graft survival. SUMMARY Pancreas transplantation using DCD organs is well tolerated and feasible when other risk factors are minimized. Although there has been some evidence of an increased risk of thrombosis, this has not translated into a significant difference in graft survival.
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90
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Scalea JR, Pettinato L, Fiscella B, Bartosic A, Piedmonte A, Paran J, Todi N, Siskind EJ, Bartlett ST. Successful pancreas transplantation alone is associated with excellent self-identified health score and glucose control: A retrospective study from a high-volume center in the United States. Clin Transplant 2018; 32. [PMID: 29226480 DOI: 10.1111/ctr.13177] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 11/30/2017] [Indexed: 12/23/2022]
Abstract
BACKGROUND The benefits of pancreas transplantation are often difficult to measure. Here, we sought to determine the difference in quality of life for diabetic patients with and without a functional pancreas transplant alone (PTA). METHODS Pancreas transplant alone cases from 1993 to 2015 were considered. An IRB-approved survey inclusive of 15 questions spanning four domains was employed. Chi-square, Fisher's exact, and the T test were used where appropriate. RESULTS A total of 137 PTAs were performed during the study period. Of those reached (n = 32), 94% responded to the survey. Self-reported health scores were better (2.1 vs 3.0) for those with functioning pancreata (n = 18) vs those with a non-functional pancreas (n = 14), respectively (P = .036). Those with a functional pancreas had a HgbA1c of 5.3, vs 7.7 for a non-functional pancreas (P = .016). Significant hypoglycemia was reported in two of 18 with a functional transplant vs nine of 14 patients with a failed transplant (P = .003). Daily frustration with blood sugar affecting quality of life was significantly higher for patients with non-functional pancreas grafts (P < .001). CONCLUSIONS Pancreas transplantation alone is associated with better glucose control than insulin. In addition, recipients of functional PTAs have improved quality of life and better overall health scores than those with failed grafts.
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Affiliation(s)
- Joseph R Scalea
- Division of Transplantation, Department of Surgery, School of Medicine, University of Maryland, Baltimore, MD, USA
| | - Lauren Pettinato
- Division of Transplantation, Department of Surgery, School of Medicine, University of Maryland, Baltimore, MD, USA
| | - Blythe Fiscella
- Division of Transplantation, Department of Surgery, School of Medicine, University of Maryland, Baltimore, MD, USA
| | - Amanda Bartosic
- Division of Transplantation, Department of Surgery, School of Medicine, University of Maryland, Baltimore, MD, USA
| | - Allison Piedmonte
- Division of Transplantation, Department of Surgery, School of Medicine, University of Maryland, Baltimore, MD, USA
| | - Jastine Paran
- Division of Transplantation, Department of Surgery, School of Medicine, University of Maryland, Baltimore, MD, USA
| | - Niket Todi
- Division of Transplantation, Department of Surgery, School of Medicine, University of Maryland, Baltimore, MD, USA
| | - Eric J Siskind
- Division of Transplantation, Department of Surgery, School of Medicine, University of Maryland, Baltimore, MD, USA
| | - Stephen T Bartlett
- Division of Transplantation, Department of Surgery, School of Medicine, University of Maryland, Baltimore, MD, USA
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91
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Cardini B, Oberhuber R, Hein SR, Eiter R, Hermann M, Kofler M, Schneeberger S, Brandacher G, Maglione M. Mouse Model for Pancreas Transplantation Using a Modified Cuff Technique. J Vis Exp 2017. [PMID: 29286474 PMCID: PMC5755595 DOI: 10.3791/54998] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022] Open
Abstract
Mouse models have several advantages in transplantation research, including easy handling, a variety of genetically well-defined strains, and the availability of the widest range of molecular probes and reagents to perform in vivo as well as in vitro studies. Based on our experience with various murine transplantation models, we developed a heterotopic pancreas transplantation model in mice with the intent to analyze mechanisms underlying severe ischemia reperfusion injury-associated early graft damage. In contrast to previously described techniques using suture techniques, herein we describe a new procedure using a non-suture cuff technique. In recent years, we have performed more than 300 pancreas transplantations in mice with an overall success rate of >90%, a success rate never described before in mouse pancreas transplantation. The backbone of this non-suture cuff technique for graft revascularization consists of two major steps: (I) pulling the recipient vessel over a polyethylene/polyamide cuff and fixing it with a circumferential ligature, and (II) placing the donor vessel over the everted recipient vessel and fixing it with a second circumferential ligature. The resultant continuity of the endothelial layer results in less thrombogenic lesions with high patency rates and, finally, high success rates. In this model, arterial anastomosis is achieved by pulling the abdominal aorta of the donor graft over the everted common carotid artery of the recipient animal. Venous drainage of the graft is achieved by pulling the portal vein of the graft over the everted external jugular vein of the recipient. This manuscript provides details and crucial steps of the organ recovery and organ implantation procedures, which will allow researchers with microsurgical skills to perform the transplantation successfully in their laboratories.
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Affiliation(s)
- Benno Cardini
- Center of Operative Medicine, Department of Visceral, Transplant and Thoracic Surgery, Medical University Innsbruck
| | - Rupert Oberhuber
- Center of Operative Medicine, Department of Visceral, Transplant and Thoracic Surgery, Medical University Innsbruck
| | - Sven R Hein
- Center of Operative Medicine, Department of Visceral, Transplant and Thoracic Surgery, Medical University Innsbruck
| | - Rebecca Eiter
- Center of Operative Medicine, Department of Visceral, Transplant and Thoracic Surgery, Medical University Innsbruck
| | - Martin Hermann
- Department of Anesthesiology and Critical Care Medicine, Medical University Innsbruck
| | - Markus Kofler
- Center of Operative Medicine, Department of Visceral, Transplant and Thoracic Surgery, Medical University Innsbruck; Department of Plastic and Reconstructive Surgery, Vascularized Composite Allotransplantation (VCA) Laboratory, Johns Hopkins University School of Medicine
| | - Stefan Schneeberger
- Center of Operative Medicine, Department of Visceral, Transplant and Thoracic Surgery, Medical University Innsbruck
| | - Gerald Brandacher
- Center of Operative Medicine, Department of Visceral, Transplant and Thoracic Surgery, Medical University Innsbruck; Department of Cardiac Surgery, Medical University Innsbruck
| | - Manuel Maglione
- Center of Operative Medicine, Department of Visceral, Transplant and Thoracic Surgery, Medical University Innsbruck;
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92
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Jiménez-Romero C, Marcacuzco Quinto A, Manrique Municio A, Justo Alonso I, Calvo Pulido J, Cambra Molero F, Caso Maestro Ó, García-Sesma Á, Moreno González E. Simultaneous pancreas-kidney transplantation. Experience of the Doce de Octubre Hospital. Cir Esp 2017; 96:25-34. [PMID: 29089105 DOI: 10.1016/j.ciresp.2017.09.016] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/28/2017] [Revised: 09/20/2017] [Accepted: 09/21/2017] [Indexed: 02/07/2023]
Abstract
INTRODUCTION Simultaneous pancreas-kidney transplantation (SPKT) constitutes the therapy of choice for diabetes type1 or type2 associated with end-stage renal disease, because is the only proven method to restore normo-glicemic control in the diabetic patient. METHODS Retrospective and descriptive study of a series of 175 patients who underwent SPKT from March 1995 to April 2016. We analyze donor and recipient characteristics, perioperative variables and immunosuppression, post-transplant morbi-mortality, patient and graft survival, and risk factors related with patient and graft survival. RESULTS Median age of the donors was 28years and mean age of recipients was 38.8±7.3years, being 103 males and 72 females. Enteric drainage of the exocrine pancreas was performed in 113 patients and bladder drainage in 62. Regarding post-transplant complications, the overall rate of infections was 70.3%; graft pancreatitis 26.3%; intraabdominal bleeding 17.7%; graft thrombosis 12.6%; and overall pancreas graft rejection 10.9%. The causes of mortality were mainly cardiovascular and infectious complications. Patient survival at 1, 3 and 5-year were 95.4%, 93% and 92.4%, respectively, and pancreas graft survival at 1, 3 and 5-year were 81.6%, 77.9% y 72.3%, respectively. CONCLUSIONS In our 20-year experience of simultaneous pancreas-kidney transplantation, the morbidity rate, and 5-year patient and pancreas graft survivals were similar to those previously reported from the international pancreas transplant registries.
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Affiliation(s)
- Carlos Jiménez-Romero
- Unidad de Cirugía Hepato-Bilio-Pancreática y Trasplante de Órganos Abdominales, Departamento de Cirugía, Hospital Universitario Doce de Octubre, Facultad de Medicina, Universidad Complutense de Madrid, Madrid, España.
| | - Alberto Marcacuzco Quinto
- Unidad de Cirugía Hepato-Bilio-Pancreática y Trasplante de Órganos Abdominales, Departamento de Cirugía, Hospital Universitario Doce de Octubre, Facultad de Medicina, Universidad Complutense de Madrid, Madrid, España
| | - Alejandro Manrique Municio
- Unidad de Cirugía Hepato-Bilio-Pancreática y Trasplante de Órganos Abdominales, Departamento de Cirugía, Hospital Universitario Doce de Octubre, Facultad de Medicina, Universidad Complutense de Madrid, Madrid, España
| | - Iago Justo Alonso
- Unidad de Cirugía Hepato-Bilio-Pancreática y Trasplante de Órganos Abdominales, Departamento de Cirugía, Hospital Universitario Doce de Octubre, Facultad de Medicina, Universidad Complutense de Madrid, Madrid, España
| | - Jorge Calvo Pulido
- Unidad de Cirugía Hepato-Bilio-Pancreática y Trasplante de Órganos Abdominales, Departamento de Cirugía, Hospital Universitario Doce de Octubre, Facultad de Medicina, Universidad Complutense de Madrid, Madrid, España
| | - Félix Cambra Molero
- Unidad de Cirugía Hepato-Bilio-Pancreática y Trasplante de Órganos Abdominales, Departamento de Cirugía, Hospital Universitario Doce de Octubre, Facultad de Medicina, Universidad Complutense de Madrid, Madrid, España
| | - Óscar Caso Maestro
- Unidad de Cirugía Hepato-Bilio-Pancreática y Trasplante de Órganos Abdominales, Departamento de Cirugía, Hospital Universitario Doce de Octubre, Facultad de Medicina, Universidad Complutense de Madrid, Madrid, España
| | - Álvaro García-Sesma
- Unidad de Cirugía Hepato-Bilio-Pancreática y Trasplante de Órganos Abdominales, Departamento de Cirugía, Hospital Universitario Doce de Octubre, Facultad de Medicina, Universidad Complutense de Madrid, Madrid, España
| | - Enrique Moreno González
- Unidad de Cirugía Hepato-Bilio-Pancreática y Trasplante de Órganos Abdominales, Departamento de Cirugía, Hospital Universitario Doce de Octubre, Facultad de Medicina, Universidad Complutense de Madrid, Madrid, España
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93
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Stokes RA, Cheng K, Lalwani A, Swarbrick MM, Thomas HE, Loudovaris T, Kay TW, Hawthorne WJ, O'Connell PJ, Gunton JE. Transplantation sites for human and murine islets. Diabetologia 2017; 60:1961-1971. [PMID: 28735354 PMCID: PMC6448863 DOI: 10.1007/s00125-017-4362-8] [Citation(s) in RCA: 39] [Impact Index Per Article: 5.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/27/2017] [Accepted: 05/25/2017] [Indexed: 01/10/2023]
Abstract
AIMS/HYPOTHESIS Beta cell replacement is a potential cure for type 1 diabetes. In humans, islet transplants are currently infused into the liver via the portal vein, although this site has disadvantages. Here, we investigated alternative transplantation sites for human and murine islets in recipient mice, comparing the portal vein with quadriceps muscle and kidney, liver and spleen capsules. METHODS Murine islets were isolated from C57BL6/J mice and transplanted into syngeneic recipients. Human islets were isolated and transplanted into either severe combined immunodeficiency (SCID) or recombination-activating gene 1 (RAG-1) immunodeficient recipient mice. All recipient mice were 8-12 weeks of age and had been rendered diabetic (defined as blood glucose concentrations ≥20 mmol/l on two consecutive days before transplantation) by alloxan tetrahydrate treatment. Islets were transplanted into five different sites (portal vein, quadriceps muscle, kidney, liver and spleen capsules). Blood glucose concentrations were monitored twice weekly until mice were killed. Dose-response studies were also performed to determine the minimum number of islets required to cure diabetes ('cure' is defined for this study as random fed blood glucose of <15 mmol/l). RESULTS For transplantation of murine islets into the different sites, the kidney yielded 100% success, followed by muscle (70%), portal vein (60%), spleen capsule (29%) and liver capsule (0%). For human islets, transplantation into the kidney cured diabetes in 75-80% of recipient mice. Transplantation into muscle and portal vein had intermediate success (both 29% at 2000 islet equivalents), while transplantation into liver and spleen capsule failed (0%). With increased islet mass, success rates for muscle grafts improved to 52-56%. CONCLUSIONS/INTERPRETATION For both human and murine islets, equivalent or superior glucose lowering results were obtained for transplantation into skeletal muscle, compared with the portal vein. Unfortunately, kidney grafts are not feasible in human recipients. Skeletal muscle offers easier access and greater potential for protocol biopsies. This study suggests that human trials of muscle as a transplant site may be warranted.
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Affiliation(s)
- Rebecca A Stokes
- Centre for Diabetes, Obesity & Endocrinology, The Westmead Institute for Medical Research (WIMR), Room 2040, Level 2, Darcy Rd, Westmead Hospital, The University of Sydney, Sydney, NSW, 2145, Australia
- Diabetes and Transcription Factors Group, Garvan Institute of Medical Research (GIMR), Sydney, NSW, Australia
- National Pancreas Transplant Unit, University of Sydney, Westmead Hospital, Sydney, NSW, Australia
| | - Kim Cheng
- Diabetes and Transcription Factors Group, Garvan Institute of Medical Research (GIMR), Sydney, NSW, Australia
| | - Amit Lalwani
- Centre for Diabetes, Obesity & Endocrinology, The Westmead Institute for Medical Research (WIMR), Room 2040, Level 2, Darcy Rd, Westmead Hospital, The University of Sydney, Sydney, NSW, 2145, Australia
- Diabetes and Transcription Factors Group, Garvan Institute of Medical Research (GIMR), Sydney, NSW, Australia
- Faculty of Medicine, University of Sydney, Sydney, NSW, Australia
| | - Michael M Swarbrick
- Centre for Diabetes, Obesity & Endocrinology, The Westmead Institute for Medical Research (WIMR), Room 2040, Level 2, Darcy Rd, Westmead Hospital, The University of Sydney, Sydney, NSW, 2145, Australia
- School of Medical Sciences, University of New South Wales, Australia, Kensington, NSW, Australia
| | | | | | - Tom W Kay
- St Vincent's Institute, Melbourne, VIC, Australia
| | - Wayne J Hawthorne
- National Pancreas Transplant Unit, University of Sydney, Westmead Hospital, Sydney, NSW, Australia
- Faculty of Medicine, University of Sydney, Sydney, NSW, Australia
| | - Philip J O'Connell
- National Pancreas Transplant Unit, University of Sydney, Westmead Hospital, Sydney, NSW, Australia
- Faculty of Medicine, University of Sydney, Sydney, NSW, Australia
| | - Jenny E Gunton
- Centre for Diabetes, Obesity & Endocrinology, The Westmead Institute for Medical Research (WIMR), Room 2040, Level 2, Darcy Rd, Westmead Hospital, The University of Sydney, Sydney, NSW, 2145, Australia.
- Diabetes and Transcription Factors Group, Garvan Institute of Medical Research (GIMR), Sydney, NSW, Australia.
- Faculty of Medicine, University of Sydney, Sydney, NSW, Australia.
- St Vincent's Clinical School, University of New South Wales, Sydney, NSW, Australia.
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94
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Yadav K, Young S, Finger EB, Kandaswamy R, Sutherland DER, Golzarian J, Dunn TB. Significant arterial complications after pancreas transplantation-A single-center experience and review of literature. Clin Transplant 2017; 31. [PMID: 28787529 DOI: 10.1111/ctr.13070] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 08/02/2017] [Indexed: 12/14/2022]
Abstract
Arterial fistulas and pseudoaneurysms are rarely described significant arterial complications associated with pancreas transplantation that sometimes present with herald or catastrophic bleeding. We herein describe our institutional case series with a focus on management and outcomes. Of 2256 pancreas transplants, 24 arterial complications were identified in 23 recipients. Chart review was performed to describe the clinical characteristics, treatments, and outcomes of the complications (pseudoaneurysm, arterial enteric/cystic/ureteric fistula, or arteriovenous fistula). Of these 23 patients, 57% had a failed allograft at the time of the complication. Nine patients underwent primary surgical repair of 10 complications, 13 were treated by endovascular methods, and one patient by medical management. In total, 3 embolized patients rebled, 2 of which had failed allografts prior to treatment. Of those with graft function that were treated by embolization alone, all retained graft function. Diagnosis of arterial complications requires a high degree of suspicion and should involve early systemic angiography to evaluate the pancreatic vasculature. Management can be endovascular or surgical and should be individualized. We report our center's evolution from a predominantly surgical to endovascular approach as a definitive vs stabilizing therapy, with selective coiling mostly reserved for well-defined peripheral lesions in patients with a functioning allograft.
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Affiliation(s)
- Kunal Yadav
- Division of Transplantation, Department of Surgery, Virginia Commonwealth University, Richmond, VA, USA
| | - Shamar Young
- Department of Radiology, University of Minnesota, Minneapolis, MN, USA
| | - Erik B Finger
- Division of Transplantation, Department of Surgery, University of Minnesota, Minneapolis, MN, USA
| | - Raja Kandaswamy
- Division of Transplantation, Department of Surgery, University of Minnesota, Minneapolis, MN, USA
| | - David E R Sutherland
- Division of Transplantation, Department of Surgery, University of Minnesota, Minneapolis, MN, USA
| | - Jafar Golzarian
- Department of Radiology, University of Minnesota, Minneapolis, MN, USA
| | - Ty B Dunn
- Division of Transplantation, Department of Surgery, University of Minnesota, Minneapolis, MN, USA
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95
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He XS, Fu SJ, Zhao Q, Zhu XF, Wang DP, Han M, Ju WQ, Ma Y, Jiao XY, Yuan XP, Hu AB, Guo ZY. A simplified multivisceral transplantation procedure for patients with combined end-stage liver disease and type 2 diabetes mellitus. Liver Transpl 2017; 23:1161-1170. [PMID: 28422396 DOI: 10.1002/lt.24774] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/01/2016] [Revised: 03/25/2017] [Accepted: 04/06/2017] [Indexed: 01/13/2023]
Abstract
In liver transplant patients with type 2 diabetes mellitus (DM), the disease worsens after transplantation because of longterm use of diabetogenic immunosuppressive drugs, making management of those patients a great challenge. The objective of our study was to evaluate the safety and efficacy of a simplified multivisceral transplantation (SMT) procedure for the treatment of patients with end-stage liver disease and concurrent type 2 DM. Forty-four patients who had pretransplant type 2 DM were included. A total of 23 patients received SMT, and 21 patients received orthotopic liver transplantation (OLT). Patient and graft survivals, complications, diabetic control, and quality of life (QOL) were retrospectively analyzed in both groups. The 1-, 3-, and 5-year cumulative patient and graft survival rates were 91.5%, 75.4%, and 75.4% in the SMT group and were 94.4%, 64.4%, and 64.4% in the OLT group, respectively (P = 0.70). Interestingly, 95.7% (22/23) of patients achieved complete remission from DM after SMT compared with 16.7% (3/18) of patients after OLT. The occurrence of biliary complication was significantly higher in the OLT group than that in the SMT group (23.8% versus 0.0%; P = 0.01). Moreover, better QOL was observed in the SMT group than that in the OLT group. In conclusion, the SMT procedure we described here is a safe and viable option for patients with end-stage live disease and concurrent type 2 DM. This SMT procedure offers excellent transplant outcomes and QOL. Liver Transplantation 23 1161-1170 2017 AASLD.
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Affiliation(s)
- Xiao-Shun He
- Organ Transplant Center, First Affiliated Hospital, Sun Yat-sen University, Guangzhou, People's Republic of China.,Guangdong Provincial Key Laboratory of Organ Donation and Transplant Immunology, Guangzhou, People's Republic of China.,Organ Transplantation, Guangdong Provincial International Cooperation Base of Science and Technology, Guangzhou, People's Republic of China
| | - Shun-Jun Fu
- Organ Transplant Center, First Affiliated Hospital, Sun Yat-sen University, Guangzhou, People's Republic of China.,Guangdong Provincial Key Laboratory of Organ Donation and Transplant Immunology, Guangzhou, People's Republic of China.,Organ Transplantation, Guangdong Provincial International Cooperation Base of Science and Technology, Guangzhou, People's Republic of China
| | - Qiang Zhao
- Organ Transplant Center, First Affiliated Hospital, Sun Yat-sen University, Guangzhou, People's Republic of China.,Guangdong Provincial Key Laboratory of Organ Donation and Transplant Immunology, Guangzhou, People's Republic of China.,Organ Transplantation, Guangdong Provincial International Cooperation Base of Science and Technology, Guangzhou, People's Republic of China
| | - Xiao-Feng Zhu
- Organ Transplant Center, First Affiliated Hospital, Sun Yat-sen University, Guangzhou, People's Republic of China.,Guangdong Provincial Key Laboratory of Organ Donation and Transplant Immunology, Guangzhou, People's Republic of China.,Organ Transplantation, Guangdong Provincial International Cooperation Base of Science and Technology, Guangzhou, People's Republic of China
| | - Dong-Ping Wang
- Organ Transplant Center, First Affiliated Hospital, Sun Yat-sen University, Guangzhou, People's Republic of China.,Guangdong Provincial Key Laboratory of Organ Donation and Transplant Immunology, Guangzhou, People's Republic of China.,Organ Transplantation, Guangdong Provincial International Cooperation Base of Science and Technology, Guangzhou, People's Republic of China
| | - Ming Han
- Organ Transplant Center, First Affiliated Hospital, Sun Yat-sen University, Guangzhou, People's Republic of China.,Guangdong Provincial Key Laboratory of Organ Donation and Transplant Immunology, Guangzhou, People's Republic of China.,Organ Transplantation, Guangdong Provincial International Cooperation Base of Science and Technology, Guangzhou, People's Republic of China
| | - Wei-Qiang Ju
- Organ Transplant Center, First Affiliated Hospital, Sun Yat-sen University, Guangzhou, People's Republic of China.,Guangdong Provincial Key Laboratory of Organ Donation and Transplant Immunology, Guangzhou, People's Republic of China.,Organ Transplantation, Guangdong Provincial International Cooperation Base of Science and Technology, Guangzhou, People's Republic of China
| | - Yi Ma
- Organ Transplant Center, First Affiliated Hospital, Sun Yat-sen University, Guangzhou, People's Republic of China.,Guangdong Provincial Key Laboratory of Organ Donation and Transplant Immunology, Guangzhou, People's Republic of China.,Organ Transplantation, Guangdong Provincial International Cooperation Base of Science and Technology, Guangzhou, People's Republic of China
| | - Xing-Yuan Jiao
- Organ Transplant Center, First Affiliated Hospital, Sun Yat-sen University, Guangzhou, People's Republic of China.,Guangdong Provincial Key Laboratory of Organ Donation and Transplant Immunology, Guangzhou, People's Republic of China.,Organ Transplantation, Guangdong Provincial International Cooperation Base of Science and Technology, Guangzhou, People's Republic of China
| | - Xiao-Peng Yuan
- Organ Transplant Center, First Affiliated Hospital, Sun Yat-sen University, Guangzhou, People's Republic of China.,Guangdong Provincial Key Laboratory of Organ Donation and Transplant Immunology, Guangzhou, People's Republic of China.,Organ Transplantation, Guangdong Provincial International Cooperation Base of Science and Technology, Guangzhou, People's Republic of China
| | - An-Bin Hu
- Organ Transplant Center, First Affiliated Hospital, Sun Yat-sen University, Guangzhou, People's Republic of China.,Guangdong Provincial Key Laboratory of Organ Donation and Transplant Immunology, Guangzhou, People's Republic of China.,Organ Transplantation, Guangdong Provincial International Cooperation Base of Science and Technology, Guangzhou, People's Republic of China
| | - Zhi-Yong Guo
- Organ Transplant Center, First Affiliated Hospital, Sun Yat-sen University, Guangzhou, People's Republic of China.,Guangdong Provincial Key Laboratory of Organ Donation and Transplant Immunology, Guangzhou, People's Republic of China.,Organ Transplantation, Guangdong Provincial International Cooperation Base of Science and Technology, Guangzhou, People's Republic of China
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96
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Rudolph EN, Dunn TB, Sutherland DER, Kandaswamy R, Finger EB. Optimizing outcomes in pancreas transplantation: Impact of organ preservation time. Clin Transplant 2017. [PMID: 28636074 DOI: 10.1111/ctr.13035] [Citation(s) in RCA: 38] [Impact Index Per Article: 5.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Abstract
Recent changes to pancreas graft allocation policy have increased the number of organs available for regional and distant sharing, which results in a corresponding increase in preservation time. We sought to systematically assess the impact of cold ischemia time (CIT) on outcomes post-transplant. A retrospective review of 1253 pancreas transplants performed at a single transplant center was performed to correlate CIT to transplant outcomes. The rate of technical failure (TF) increased with 20+ hours of CIT, with a 2.7-fold to 6.2-fold increased rate of TF for pancreas after kidney (PAK), simultaneous pancreas and kidney (SPK), and pancreas transplants overall. Long-term graft survival was best with <12 hours of CIT; graft failure increased 1.2-fold to 1.4-fold with 12-24 hours of CIT and 2.2-fold with 24+ hours. CIT had less influence on the pancreas transplant alone category than either SPK or PAK and had markedly more influence on grafts from older (age >25 years) and overweight (body mass index >25) donors. In the final analysis, grafts with <12 hours of CIT performed the best overall, and strategies that reduce CIT (such as early allocation, pre-recovery cross-matching, and chartered flights for organs) should be considered whenever possible.
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Affiliation(s)
- Ehren N Rudolph
- Division of Transplantation, Department of Surgery, University of Minnesota, Minneapolis, MN, USA
| | - Ty B Dunn
- Division of Transplantation, Department of Surgery, University of Minnesota, Minneapolis, MN, USA
| | - David E R Sutherland
- Division of Transplantation, Department of Surgery, University of Minnesota, Minneapolis, MN, USA
| | - Raja Kandaswamy
- Division of Transplantation, Department of Surgery, University of Minnesota, Minneapolis, MN, USA
| | - Erik B Finger
- Division of Transplantation, Department of Surgery, University of Minnesota, Minneapolis, MN, USA
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97
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Chandravanshi B, Bhonde R. Reprogramming mouse embryo fibroblasts to functional islets without genetic manipulation. J Cell Physiol 2017; 233:1627-1637. [PMID: 28657136 DOI: 10.1002/jcp.26068] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/25/2017] [Accepted: 06/27/2017] [Indexed: 12/18/2022]
Abstract
The constant quest for generation of large number of islets aimed us to explore the differentiation potential of mouse embryo fibroblast cells. Mouse embryo fibroblast cells isolated from 12- to 14-day-old pregnant mice were characterized for their surface markers and tri-lineage differentiation potential. They were subjected to serum-free media containing a cocktail of islet differentiating reagents and analyzed for the expression of pancreatic lineage transcripts. The islet-like cell aggregates (ICAs) was confirmed for their pancreatic properties via immunofluorecence for C-peptide, glucagon, and somatostain. They were positive for CD markers-Sca1, CD44, CD73, and CD90 and negative for hematopoietic markers-CD34 and CD45 at both transcription and translational levels. The transcriptional analysis of the ICAs at different day points exhibited up-regulation of islet markers (Insulin, PDX1, HNF3, Glucagon, and Somatostatin) and down-regulation of MSC-markers (Vimentin and Nestin). They positively stained for dithizone, C-peptide, insulin, glucagon, and somatostatin indicating intact insulin producing machinery. In vitro glucose stimulation assay revealed three-fold increase in insulin secretion as compared to basal glucose with insulin content being the same in both the conditions. The preliminary in vivo data on ICA transplantation showed reversal of diabetes in streptozotocin induced diabetic mice. Our results demonstrate for the first time that mouse embryo fibroblast cells contain a population of MSC-like cells which could differentiate into insulin producing cell aggregates. Hence, our study could be extrapolated for isolation of MSC-like cells from human, medically terminated pregnancies to generate ICAs for treating type 1 diabetic patients.
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Affiliation(s)
- Bhawna Chandravanshi
- School of Regenerative Medicine, GKVK Post, Allalasandra, Yelahanka, Bangalore, Karnataka, India
| | - Ramesh Bhonde
- School of Regenerative Medicine, GKVK Post, Allalasandra, Yelahanka, Bangalore, Karnataka, India
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98
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Duff CE, Simmonds MJ. Genetic predictors of long-term graft function in kidney and pancreas transplant patients. Brief Funct Genomics 2017; 16:228-237. [PMID: 28110269 DOI: 10.1093/bfgp/elw039] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/11/2023] Open
Abstract
Kidney and pancreas transplantation have helped transform the lives of people with end-stage renal failure and individuals with type 1 diabetes who have poor glycaemic control/severe secondary complications, respectively. Despite an improvement in immunosuppressive regimes, operative techniques and decreased initial rejection rates, there has been little improvement in long-term graft survival rates over the past decade. Whilst limited progress has been made in establishing clinical markers of graft function, several genetic markers of long-term graft function have been identified. These genetic markers have the potential to (i) assist in selecting marginal donor organs for transplantation, (ii) provide better understanding of the mechanisms behind graft loss enabling identification of new, or repurposing, current treatments to extend graft function and (iii) provide a window of opportunity to identify and treat individuals before graft failure has occurred. This review will discuss the different genetic variants screened for a role in predicting transplant longevity, examine their findings and limitations and introduce where the future of genetic research within the transplantation field lies.
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99
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Arantes RM, Pantanali CAR, Santos VR, Carneiro D'Albuquerque LA. Arterial Pseudoaneurysm Associated with Pancreas and Kidney Transplantation: A Case Report. AMERICAN JOURNAL OF CASE REPORTS 2017; 18:198-202. [PMID: 28232659 PMCID: PMC5335644 DOI: 10.12659/ajcr.900790] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/29/2022]
Abstract
Patient: Male, 49 Final Diagnosis: Arterial pseudoaneurysm Symptoms: Abdominal pain • fever and a pulsatile tumor located in the right iliac fossa Medication: — Clinical Procedure: Endovascular and surgical approach Specialty: Transplantology
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Affiliation(s)
- Rubens Macedo Arantes
- Liver and Digestive Organ Transplantation Division, Department of Gastroenterology, Clinicas Hospital, University of São Paulo Medical School, São Paulo, SP, Brazil
| | - Carlos Andrés Rodriguez Pantanali
- Liver and Digestive Organ Transplantation Division, Department of Gastroenterology, Clinicas Hospital, University of São Paulo Medical School, São Paulo, SP, Brazil
| | - Vinicius Rocha Santos
- Liver and Digestive Organ Transplantation Division, Department of Gastroenterology, Clinicas Hospital, University of São Paulo Medical School, São Paulo, SP, Brazil
| | - Luiz Augusto Carneiro D'Albuquerque
- Liver and Digestive Organ Transplantation Division, Department of Gastroenterology, Clinicas Hospital, University of São Paulo Medical School, São Paulo, SP, Brazil
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100
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Uchima HI, Araujo IK, Ferrer J, Burrell M, Sotomayor A, García-Criado Á, Feu F, Ricart MJ, Llach J, González-Suárez B. Superior mesenteric artery pseudoaneurysm fistulised to the small intestine in a pancreas-kidney transplant recipient: Can it be detected by capsule endoscopy? GASTROENTEROLOGIA Y HEPATOLOGIA 2017; 41:109-111. [PMID: 28215709 DOI: 10.1016/j.gastrohep.2016.12.006] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/28/2016] [Revised: 11/28/2016] [Accepted: 12/02/2016] [Indexed: 11/17/2022]
Affiliation(s)
- Hugo I Uchima
- Unitat d'Endoscòpia Digestiva, Servei de Gastroenterologia, ICMDiM, Hospital Clínic de Barcelona, Catalunya, Spain
| | - Isis K Araujo
- Unitat d'Endoscòpia Digestiva, Servei de Gastroenterologia, ICMDiM, Hospital Clínic de Barcelona, Catalunya, Spain
| | - Joana Ferrer
- Servei de Cirugia General i Digestiva, ICMDiM, Hospital Clínic de Barcelona, Catalunya, Spain
| | - Marta Burrell
- Centre de Diagnòstic per Imatge, Hospital Clínic de Barcelona, Catalunya, Spain
| | - Alejandro Sotomayor
- Centre de Diagnòstic per Imatge, Hospital Clínic de Barcelona, Catalunya, Spain
| | | | - Faust Feu
- Unitat d'Endoscòpia Digestiva, Servei de Gastroenterologia, ICMDiM, Hospital Clínic de Barcelona, Catalunya, Spain
| | - M J Ricart
- Servei de Nefrologia i trasplantament renal, IDIBAPS, CIBERehd, Hospital Clinic de Barcelona, Catalunya, Spain
| | - Josep Llach
- Unitat d'Endoscòpia Digestiva, Servei de Gastroenterologia, ICMDiM, Hospital Clínic de Barcelona, Catalunya, Spain
| | - Begoña González-Suárez
- Unitat d'Endoscòpia Digestiva, Servei de Gastroenterologia, ICMDiM, Hospital Clínic de Barcelona, Catalunya, Spain.
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