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Knoedler S, Schliermann R, Knoedler L, Wu M, Hansen FJ, Matar DY, Obed D, Vervoort D, Haug V, Hundeshagen G, Paik A, Kauke-Navarro M, Kneser U, Pomahac B, Orgill DP, Panayi AC. Impact of sarcopenia on outcomes in surgical patients: a systematic review and meta-analysis. Int J Surg 2023; 109:4238-4262. [PMID: 37696253 PMCID: PMC10720826 DOI: 10.1097/js9.0000000000000688] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/15/2023] [Accepted: 08/04/2023] [Indexed: 09/13/2023]
Abstract
BACKGROUND Surgeons have historically used age as a preoperative predictor of postoperative outcomes. Sarcopenia, the loss of skeletal muscle mass due to disease or biological age, has been proposed as a more accurate risk predictor. The prognostic value of sarcopenia assessment in surgical patients remains poorly understood. Therefore, the authors aimed to synthesize the available literature and investigate the impact of sarcopenia on perioperative and postoperative outcomes across all surgical specialties. METHODS The authors systematically assessed the prognostic value of sarcopenia on postoperative outcomes by conducting a systematic review and meta-analysis according to Preferred Reporting Items for Systematic Reviews and Meta-Analyses (PRISMA) guidelines, searching the PubMed/MEDLINE and EMBASE databases from inception to 1st October 2022. Their primary outcomes were complication occurrence, mortality, length of operation and hospital stay, discharge to home, and postdischarge survival rate at 1, 3, and 5 years. Subgroup analysis was performed by stratifying complications according to the Clavien-Dindo classification system. Sensitivity analysis was performed by focusing on studies with an oncological, cardiovascular, emergency, or transplant surgery population and on those of higher quality or prospective study design. RESULTS A total of 294 studies comprising 97 643 patients, of which 33 070 had sarcopenia, were included in our analysis. Sarcopenia was associated with significantly poorer postoperative outcomes, including greater mortality, complication occurrence, length of hospital stay, and lower rates of discharge to home (all P <0.00001). A significantly lower survival rate in patients with sarcopenia was noted at 1, 3, and 5 years (all P <0.00001) after surgery. Subgroup analysis confirmed higher rates of complications and mortality in oncological (both P <0.00001), cardiovascular (both P <0.00001), and emergency ( P =0.03 and P =0.04, respectively) patients with sarcopenia. In the transplant surgery cohort, mortality was significantly higher in patients with sarcopenia ( P <0.00001). Among all patients undergoing surgery for inflammatory bowel disease, the frequency of complications was significantly increased among sarcopenic patients ( P =0.007). Sensitivity analysis based on higher quality studies and prospective studies showed that sarcopenia remained a significant predictor of mortality and complication occurrence (all P <0.00001). CONCLUSION Sarcopenia is a significant predictor of poorer outcomes in surgical patients. Preoperative assessment of sarcopenia can help surgeons identify patients at risk, critically balance eligibility, and refine perioperative management. Large-scale studies are required to further validate the importance of sarcopenia as a prognostic indicator of perioperative risk, especially in surgical subspecialties.
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Affiliation(s)
- Samuel Knoedler
- Department of Plastic Surgery and Hand Surgery, Klinikum Rechts der Isar, Technical University of Munich, Munich
- Department of Surgery, Division of Plastic Surgery, Brigham and Women’s Hospital and Harvard Medical School, Boston
- Department of Surgery, Division of Plastic and Reconstructive Surgery, Yale New Haven Hospital, Yale School of Medicine, New Haven, USA
| | - Rainer Schliermann
- Faculty of Social and Health Care Sciences, University of Applied Sciences Regensburg, Regensburg
| | - Leonard Knoedler
- Department of Surgery, Division of Plastic and Reconstructive Surgery, Yale New Haven Hospital, Yale School of Medicine, New Haven, USA
| | - Mengfan Wu
- Department of Surgery, Division of Plastic Surgery, Brigham and Women’s Hospital and Harvard Medical School, Boston
- Department of Plastic Surgery, Peking University Shenzhen Hospital, Shenzhen, Guangdong, People’s Republic of China
| | - Frederik J. Hansen
- Department of General and Visceral Surgery, Friedrich-Alexander University Erlangen, Erlangen
| | - Dany Y. Matar
- Department of Surgery, Division of Plastic Surgery, Brigham and Women’s Hospital and Harvard Medical School, Boston
| | - Doha Obed
- Department of Plastic, Aesthetic, Hand and Reconstructive Surgery, Hannover Medical School, Hannover
- Department of Surgery, Division of Plastic Surgery, Brigham and Women’s Hospital and Harvard Medical School, Boston
| | - Dominique Vervoort
- Institute of Health Policy, Management and Evaluation, University of Toronto, Toronto, Ontario, Canada
| | - Valentin Haug
- Department of Hand, Plastic and Reconstructive Surgery, Microsurgery, Burn Center, BG Trauma Center Ludwigshafen, University of Heidelberg, Ludwigshafen, Germany
- Department of Surgery, Division of Plastic Surgery, Brigham and Women’s Hospital and Harvard Medical School, Boston
| | - Gabriel Hundeshagen
- Department of Hand, Plastic and Reconstructive Surgery, Microsurgery, Burn Center, BG Trauma Center Ludwigshafen, University of Heidelberg, Ludwigshafen, Germany
| | - Angie Paik
- Department of Surgery, Division of Plastic and Reconstructive Surgery, Yale New Haven Hospital, Yale School of Medicine, New Haven, USA
| | - Martin Kauke-Navarro
- Department of Surgery, Division of Plastic and Reconstructive Surgery, Yale New Haven Hospital, Yale School of Medicine, New Haven, USA
| | - Ulrich Kneser
- Department of Hand, Plastic and Reconstructive Surgery, Microsurgery, Burn Center, BG Trauma Center Ludwigshafen, University of Heidelberg, Ludwigshafen, Germany
| | - Bohdan Pomahac
- Department of Surgery, Division of Plastic and Reconstructive Surgery, Yale New Haven Hospital, Yale School of Medicine, New Haven, USA
| | - Dennis P. Orgill
- Department of Surgery, Division of Plastic Surgery, Brigham and Women’s Hospital and Harvard Medical School, Boston
| | - Adriana C. Panayi
- Department of Hand, Plastic and Reconstructive Surgery, Microsurgery, Burn Center, BG Trauma Center Ludwigshafen, University of Heidelberg, Ludwigshafen, Germany
- Department of Surgery, Division of Plastic Surgery, Brigham and Women’s Hospital and Harvard Medical School, Boston
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2
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Morikawa H, Oba T, Kiyosawa N, Iji R, Amitani M, Chino T, Shimizu T, Ono M, Ito T, Kanai T, Maeno K, Ito KI. Significance of skeletal muscle index-to-body mass index ratio as a predictor of post-surgical bleeding after mastectomy in patients with breast cancer. Breast Cancer 2023; 30:933-942. [PMID: 37440158 DOI: 10.1007/s12282-023-01483-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/25/2023] [Accepted: 07/06/2023] [Indexed: 07/14/2023]
Abstract
BACKGROUND Post-surgical bleeding is a major complication of mastectomy in patients with breast cancer. However, the risk factors for post-surgical bleeding have not been well studied. Although obesity or reduced skeletal muscle mass is an indicator of cancer surgery complications, its impact on post-surgical bleeding after mastectomy remains unknown. METHODS In total, 563 patients with breast cancer who underwent mastectomy were included in this study. We evaluated the preoperative body mass index (BMI), skeletal muscle index (SMI), and SMI-to-BMI ratio and analyzed the association between these values and the incidence of post-surgical bleeding. RESULTS Post-surgical bleeding occurred in 33 (5.6%) patients. Mean BMI was significantly higher in the bleeding group (26.3 ± 4.7) than in the no-bleeding group (23.0 ± 4.1) (p < 0.001), whereas mean SMI was lower in the former group (45.0 ± 8.5) than in the latter group (48.0 ± 8.5) (p = 0.08). The bleeding group had significantly lower SMI-to-BMI ratio (1.71 ± 0.16) than the no-bleeding group (2.10 ± 0.23) (p < 0.001). Among these three parameters, SMI-to-BMI ratio had the highest area under the curve value in their receiver operating characteristic curves (0.73 for BMI, 0.59 for SMI, 0.92 for SMI-to-BMI ratio). Furthermore, on multivariate analysis, SMI-to-BMI ratio was an independent risk factor for post-surgical bleeding (hazard ratio, 38.4; 95% confidence interval, 13.9-136.2; p < 0.001). CONCLUSIONS SMI-to-BMI ratio is a superior predictive factor of post-surgical bleeding after mastectomy to either BMI or SMI alone.
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Affiliation(s)
- Hiroki Morikawa
- Division of Breast and Endocrine Surgery, Department of Surgery, Shinshu University School of Medicine, 3-1-1 Asahi, Matsumoto, Nagano, Japan
| | - Takaaki Oba
- Division of Breast and Endocrine Surgery, Department of Surgery, Shinshu University School of Medicine, 3-1-1 Asahi, Matsumoto, Nagano, Japan.
| | - Nami Kiyosawa
- Division of Breast and Endocrine Surgery, Department of Surgery, Shinshu University School of Medicine, 3-1-1 Asahi, Matsumoto, Nagano, Japan
| | - Ryoko Iji
- Division of Breast and Endocrine Surgery, Department of Surgery, Shinshu University School of Medicine, 3-1-1 Asahi, Matsumoto, Nagano, Japan
| | - Masatsugu Amitani
- Division of Breast and Endocrine Surgery, Department of Surgery, Shinshu University School of Medicine, 3-1-1 Asahi, Matsumoto, Nagano, Japan
| | - Tatsunori Chino
- Division of Breast and Endocrine Surgery, Department of Surgery, Shinshu University School of Medicine, 3-1-1 Asahi, Matsumoto, Nagano, Japan
| | - Tadafumi Shimizu
- Division of Breast and Endocrine Surgery, Department of Surgery, Shinshu University School of Medicine, 3-1-1 Asahi, Matsumoto, Nagano, Japan
| | - Mayu Ono
- Division of Breast and Endocrine Surgery, Department of Surgery, Shinshu University School of Medicine, 3-1-1 Asahi, Matsumoto, Nagano, Japan
| | - Tokiko Ito
- Division of Breast and Endocrine Surgery, Department of Surgery, Shinshu University School of Medicine, 3-1-1 Asahi, Matsumoto, Nagano, Japan
| | - Toshiharu Kanai
- Division of Breast and Endocrine Surgery, Department of Surgery, Shinshu University School of Medicine, 3-1-1 Asahi, Matsumoto, Nagano, Japan
| | - Kazuma Maeno
- Division of Breast and Endocrine Surgery, Department of Surgery, Shinshu University School of Medicine, 3-1-1 Asahi, Matsumoto, Nagano, Japan
| | - Ken-Ichi Ito
- Division of Breast and Endocrine Surgery, Department of Surgery, Shinshu University School of Medicine, 3-1-1 Asahi, Matsumoto, Nagano, Japan
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3
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Vedire Y, Nitsche L, Tiadjeri M, McCutcheon V, Hall J, Barbi J, Yendamuri S, Ray AD. Skeletal muscle index is associated with long term outcomes after lobectomy for non-small cell lung cancer. BMC Cancer 2023; 23:778. [PMID: 37598139 PMCID: PMC10439565 DOI: 10.1186/s12885-023-11210-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/22/2022] [Accepted: 07/23/2023] [Indexed: 08/21/2023] Open
Abstract
BACKGROUND Skeletal muscle indices have been associated with improved peri-operative outcomes after surgical resection of non-small-cell lung cancer (NSCLC). However, it is unclear if these indices can predict long term cancer specific outcomes. METHODS NSCLC patients undergoing lobectomy at our institute between 2009-2015 were included in this analysis (N = 492). Preoperative CT scans were used to quantify skeletal muscle index (SMI) at L4 using sliceOmatic software. Cox proportional modelling was performed for overall (OS) and recurrence free survival (RFS). RESULTS For all patients, median SMI was 45.7 cm2/m2 (IQR, 40-53.8). SMI was negatively associated with age (R = -0.2; p < 0.05) and positively associated with BMI (R = 0.46; P < 0.05). No association with either OS or RFS was seen with univariate cox modelling. However, multivariable modelling for SMI with patient age, gender, race, smoking status, DLCO and FEV1 (% predicted), American Society of Anesthesiology (ASA) score, tumor histology and stage, and postoperative neoadjuvant therapy showed improved OS (HR = 0.97; P = 0.0005) and RFS (HR = 0.97; P = 0.01) with SMI. Using sex specific median SMI as cutoff, a lower SMI was associated with poor OS (HR = 1.65, P = 0.001) and RFS (HR = 1.47, P = 0.03). CONCLUSIONS SMI is associated with improved outcomes after resection of NSCLC. Further studies are needed to understand the biological basis of this observation. This study provides additional rationale for designing and implementation of rehabilitation trials after surgical resection, to gain durable oncologic benefit.
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Affiliation(s)
- Yeshwanth Vedire
- Department of Thoracic Surgery, Roswell Park Comprehensive Cancer Center, Elm and Carlton Streets, Buffalo, NY, 14263, USA
| | - Lindsay Nitsche
- Department of Thoracic Surgery, Roswell Park Comprehensive Cancer Center, Elm and Carlton Streets, Buffalo, NY, 14263, USA
| | - Madeline Tiadjeri
- Department of Cancer Prevention and Control, Roswell Park Comprehensive Cancer Center, Elm and Carlton Streets, Buffalo, NY, 14263, USA
| | - Victor McCutcheon
- Department of Cancer Prevention and Control, Roswell Park Comprehensive Cancer Center, Elm and Carlton Streets, Buffalo, NY, 14263, USA
| | - Jack Hall
- Department of Cancer Prevention and Control, Roswell Park Comprehensive Cancer Center, Elm and Carlton Streets, Buffalo, NY, 14263, USA
- Department of Physical Therapy and Rehabilitation, Roswell Park Comprehensive Cancer Center, Elm and Carlton Streets, Buffalo, NY, 14263, USA
| | - Joseph Barbi
- Department of Immunology, Roswell Park Comprehensive Cancer Center, Elm and Carlton Streets, Buffalo, Ny, 14263, USA
| | - Sai Yendamuri
- Department of Thoracic Surgery, Roswell Park Comprehensive Cancer Center, Elm and Carlton Streets, Buffalo, NY, 14263, USA.
| | - Andrew D Ray
- Department of Cancer Prevention and Control, Roswell Park Comprehensive Cancer Center, Elm and Carlton Streets, Buffalo, NY, 14263, USA.
- Department of Rehabilitation, Roswell Park Comprehensive Cancer Center, Elm and Carlton Streets, Buffalo, NY, 14263, USA.
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Jogiat U, Jimoh Z, Turner SR, Baracos V, Eurich D, Bédard ELR. Sarcopenia in Lung Cancer: A Narrative Review. Nutr Cancer 2023:1-14. [PMID: 37177914 DOI: 10.1080/01635581.2023.2212425] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/15/2023]
Abstract
It has been over 10 years since the relationship between sarcopenia and lung cancer was first explored. Since then, sarcopenia research has progressed substantially, and the prognostic value of this condition is becoming increasingly apparent. Prior systematic reviews and meta-analyses have established sarcopenia to be negatively associated with disease-free and overall-survival, as well as a major risk factor for post-operative complications. The bulk of the literature has explored sarcopenia in the resectable setting, with less emphasis placed on studies evaluating this condition in advanced disease. In this up-to-date review, an examination of the literature exploring the association between sarcopenia and long-term outcomes in advanced lung cancer is provided. We further explore the association between adverse events of medical therapy and the role of sarcopenia as a predictor of tumor response. Finally, the interventions on sarcopenia and cancer cachexia are reviewed, with an emphasis placed on prospective studies.
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Affiliation(s)
- Uzair Jogiat
- Division of Thoracic Surgery, Department of Surgery, University of Alberta, Edmonton, Canada
| | | | - Simon R Turner
- Division of Thoracic Surgery, Department of Surgery, University of Alberta, Edmonton, Canada
| | - Vickie Baracos
- Division of Palliative Care Medicine, Department of Oncology, University of Alberta, Edmonton, Canada
| | - Dean Eurich
- School of Public Health, University of Alberta, Edmonton, Canada
| | - Eric L R Bédard
- Division of Thoracic Surgery, Department of Surgery, University of Alberta, Edmonton, Canada
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5
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Tahir I, Cahalane AM, Saenger JA, Leppelmann KS, Abrishami Kashani M, Marquardt JP, Silverman SG, Shyn PB, Mercaldo ND, Fintelmann FJ. Factors Associated with Hospital Length of Stay and Adverse Events following Percutaneous Ablation of Lung Tumors. J Vasc Interv Radiol 2023; 34:759-767.e2. [PMID: 36521793 DOI: 10.1016/j.jvir.2022.12.013] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/11/2022] [Revised: 10/12/2022] [Accepted: 12/03/2022] [Indexed: 12/14/2022] Open
Abstract
PURPOSE To explore the association between risk factors established in the surgical literature and hospital length of stay (HLOS), adverse events, and hospital readmission within 30 days after percutaneous image-guided thermal ablation of lung tumors. MATERIALS AND METHODS This bi-institutional retrospective cohort study included 131 consecutive adult patients (67 men [51%]; median age, 65 years) with 180 primary or metastatic lung tumors treated in 131 sessions (74 cryoablation and 57 microwave ablation) from 2006 to 2019. Age-adjusted Charlson Comorbidity Index, sex, performance status, smoking status, chronic obstructive pulmonary disease (COPD), primary lung cancer versus pulmonary metastases, number of tumors treated per session, maximum axial tumor diameter, ablation modality, number of pleural punctures, anesthesia type, pulmonary artery-to-aorta ratio, lung densitometry, sarcopenia, and adipopenia were evaluated. Associations between risk factors and outcomes were assessed using univariable and multivariable generalized linear models. RESULTS In univariable analysis, HLOS was associated with current smoking (incidence rate ratio [IRR], 4.54 [1.23-16.8]; P = .02), COPD (IRR, 3.56 [1.40-9.04]; P = .01), cryoablations with ≥3 pleural punctures (IRR, 3.13 [1.07-9.14]; P = .04), general anesthesia (IRR, 10.8 [4.18-27.8]; P < .001), and sarcopenia (IRR, 2.66 [1.10-6.44]; P = .03). After multivariable adjustment, COPD (IRR, 3.56 [1.57-8.11]; P = .003) and general anesthesia (IRR, 12.1 [4.39-33.5]; P < .001) were the only risk factors associated with longer HLOS. No associations were observed between risk factors and adverse events in multivariable analysis. Tumors treated per session were associated with risk of hospital readmission (P = .03). CONCLUSIONS Identified preprocedural risk factors from the surgical literature may aid in risk stratification for HLOS after percutaneous ablation of lung tumors, but were not associated with adverse events.
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Affiliation(s)
- Ismail Tahir
- Division of Thoracic Imaging and Intervention, Department of Radiology, Massachusetts General Hospital, Boston, Massachusetts
| | - Alexis M Cahalane
- Division of Thoracic Imaging and Intervention, Department of Radiology, Massachusetts General Hospital, Boston, Massachusetts
| | - Jonathan A Saenger
- Division of Thoracic Imaging and Intervention, Department of Radiology, Massachusetts General Hospital, Boston, Massachusetts; Medical School, Sigmund Freud University, Vienna, Austria
| | - Konstantin S Leppelmann
- Division of Thoracic Imaging and Intervention, Department of Radiology, Massachusetts General Hospital, Boston, Massachusetts
| | - Maya Abrishami Kashani
- Division of Thoracic Imaging and Intervention, Department of Radiology, Massachusetts General Hospital, Boston, Massachusetts
| | - J Peter Marquardt
- Division of Thoracic Imaging and Intervention, Department of Radiology, Massachusetts General Hospital, Boston, Massachusetts
| | - Stuart G Silverman
- Department of Radiology, Brigham and Women's Hospital, Boston, Massachusetts
| | - Paul B Shyn
- Department of Radiology, Brigham and Women's Hospital, Boston, Massachusetts
| | | | - Florian J Fintelmann
- Division of Thoracic Imaging and Intervention, Department of Radiology, Massachusetts General Hospital, Boston, Massachusetts.
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Mazzella A, Maiolino E, Maisonneuve P, Loi M, Alifano M. Systemic Inflammation and Lung Cancer: Is It a Real Paradigm? Prognostic Value of Inflammatory Indexes in Patients with Resected Non-Small-Cell Lung Cancer. Cancers (Basel) 2023; 15:cancers15061854. [PMID: 36980740 PMCID: PMC10046843 DOI: 10.3390/cancers15061854] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/28/2023] [Revised: 03/16/2023] [Accepted: 03/18/2023] [Indexed: 03/30/2023] Open
Abstract
Background (1): Our goal was to investigate if and how pre-operative inflammatory status can influence the long-term prognosis of patients undergoing lung surgery for cancer. Materials and Methods (2): This prospective observational study includes the agreement of all operable patients to the study, who were referred to our department between 1 January 2017 and 30 December 2018. The inflammatory pre-operative status of the patients was investigated by calculating albumin, CPR (c-protein reactive), complete blood count (neutrophils, lymphocytes, platelets, hemoglobin), and some other indexes referring to inflammatory status, namely the HALP amalgamated index, platelet-to-lymphocyte ratio (PLR), neutrophil-to-lymphocytes ratio (NLR), systemic immune-inflammation index (SII), and advanced lung cancer inflammation Index (ALI). The follow-up ended in November 2021. Patient overall survival was assessed using the Kaplan-Meier method. The log-rank test was used to compare survival rates. Variables significantly associated with survival at univariate analysis were entered int Cox multivariate analysis (stepwise mode) to assess their independent character. Hazard ratios and their 95% confidence intervals were calculated. Variables associated with p < 0.05 were considered significative. Results (3): We enrolled 257 patients in our study. The overall survival of the cohort was as follows: 1 year, 96.1%; 3 year, 81.3%; and 4 year, 74.2%. Univariate analysis showed risk factors for overall survival as follows: Thoracoscore ≥ 2 (p = 0.002); histology (p = 0.002); HALP < 32.2 (p = 0.0002); SII ≥ 808.9 (p = 0.0004); ALI < 34.86 (p = 0.0005); NLr ≥ 2.29 (p = 0.01); hemoglobin < 13 g/dl (p = 0.01); PLR ≥ 196.1 (p = 0.005); pN+ (p < 0.0001); pleural invasion (p = 0.0002); and presence of vascular or lymphatic tumor emboli (p = 0.0002). Multivariate Cox analysis (stepwise model) identified Thoracoscore ≥ 2 (p = 0.02); histology, HALP < 32.2 (p = 0.004), and pN (p < 0.0001) as independent predictors of death. Conclusion (4): Pre-operative inflammatory status strongly influences long-term prognosis in patients affected by NSCLC and undergoing surgery.
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Affiliation(s)
- Antonio Mazzella
- Thoracic Surgical Department, Cochin Academic Hospital, APHP, Université de Paris, 75014 Paris, France
| | - Elena Maiolino
- Thoracic Surgical Department, Cochin Academic Hospital, APHP, Université de Paris, 75014 Paris, France
| | - Patrick Maisonneuve
- Division of Epidemiology and Biostatistics, IEO, European Institute of Oncology IRCCS, 20141 Milan, Italy
| | - Mauro Loi
- Thoracic Surgical Department, Cochin Academic Hospital, APHP, Université de Paris, 75014 Paris, France
| | - Marco Alifano
- Thoracic Surgical Department, Cochin Academic Hospital, APHP, Université de Paris, 75014 Paris, France
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Troschel FM, Troschel BO, Kloss M, Troschel AS, Pepper NB, Wiewrodt RG, Stummer W, Wiewrodt D, Theodor Eich H. Cervical body composition on radiotherapy planning computed tomography scans predicts overall survival in glioblastoma patients. Clin Transl Radiat Oncol 2023; 40:100621. [PMID: 37008514 PMCID: PMC10063381 DOI: 10.1016/j.ctro.2023.100621] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/19/2023] [Revised: 03/20/2023] [Accepted: 03/23/2023] [Indexed: 03/29/2023] Open
Abstract
Background and purpose Glioblastoma (GBM) patients face a strongly unfavorable prognosis despite multimodal therapy regimens. However, individualized mortality prediction remains imprecise. Harnessing routine radiation planning cranial computed tomography (CT) scans, we assessed cervical body composition measures as novel biomarkers for overall survival (OS) in GBM patients. Materials and methods We performed threshold-based semi-automated quantification of muscle and subcutaneous fat cross-sectional area (CSA) at the levels of the first and second cervical vertebral body. First, we tested this method's validity by correlating cervical measures to established abdominal body composition in an open-source whole-body CT cohort. We then identified consecutive patients undergoing radiation planning for recent GBM diagnosis at our institution from 2010 to 2020 and quantified cervical body composition on radiation planning CT scans. Finally, we performed univariable and multivariable time-to-event analyses, adjusting for age, sex, body mass index, comorbidities, performance status, extent of surgical resection, extent of tumor at diagnosis, and MGMT methylation. Results Cervical body composition measurements were well-correlated with established abdominal markers (Spearman's rho greater than 0.68 in all cases). Subsequently, we included 324 GBM patients in our study cohort (median age 63 years, 60.8% male). 293 (90.4%) patients died during follow-up. Median survival time was 13 months. Patients with below-average muscle CSA or above-average fat CSA demonstrated shorter survival. In multivariable analyses, continuous cervical muscle measurements remained independently associated with OS. Conclusion This exploratory study establishes novel cervical body composition measures routinely available on cranial radiation planning CT scans and confirms their association with OS in patients diagnosed with GBM.
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Affiliation(s)
- Fabian M. Troschel
- Department of Radiation Oncology, Münster University Hospital, Albert-Schweitzer-Campus 1, 48149 Münster, Germany
- Corresponding author at: Universitätsklinikum Münster, Albert-Schweitzer-Campus 1, 48149 Münster, Germany.
| | - Benjamin O. Troschel
- Department of Radiation Oncology, Münster University Hospital, Albert-Schweitzer-Campus 1, 48149 Münster, Germany
| | - Maren Kloss
- Department of Neurosurgery, Münster University Hospital, Albert-Schweitzer-Campus 1, 48149 Münster, Germany
| | - Amelie S. Troschel
- Department of Medicine II, Klinikum Wolfsburg, Sauerbruchstraße 7, 38440 Wolfsburg, Germany
| | - Niklas B. Pepper
- Department of Radiation Oncology, Münster University Hospital, Albert-Schweitzer-Campus 1, 48149 Münster, Germany
| | - Rainer G. Wiewrodt
- Pulmonary Research Division, Münster University, Albert-Schweitzer-Campus 1, 48149 Münster, Germany
- Department of Pulmonary Medicine, Mathias Foundation, Hospitals Rheine and Ibbenbueren, Frankenburgsstrasse 31, 48431 Rheine, Germany
| | - Walter Stummer
- Department of Neurosurgery, Münster University Hospital, Albert-Schweitzer-Campus 1, 48149 Münster, Germany
| | - Dorothee Wiewrodt
- Department of Neurosurgery, Münster University Hospital, Albert-Schweitzer-Campus 1, 48149 Münster, Germany
| | - Hans Theodor Eich
- Department of Radiation Oncology, Münster University Hospital, Albert-Schweitzer-Campus 1, 48149 Münster, Germany
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Zhou Y, Xu M. Analysis of the Effect of Quality Nursing on Recovery after Thoracic Surgery. Emerg Med Int 2022; 2022:6204832. [PMID: 36247703 PMCID: PMC9568356 DOI: 10.1155/2022/6204832] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/22/2022] [Revised: 09/08/2022] [Accepted: 09/14/2022] [Indexed: 11/17/2022] Open
Abstract
Objective To observe the feasibility and safety of rapid rehabilitation nursing in the perioperative period of thoracoscopic treatment of lung cancer patients. Rapid rehabilitation nursing was compared with conventional perioperative nursing to explore its clinical efficacy, i.e., its advantages in improving postoperative comfort, postoperative rehabilitation efficiency, and hospitalization cost of patients undergoing thoracoscopic lung cancer resection. Methods We carried out a retrospective analysis of 337 lung cancer patients who underwent lobectomy in our thoracic surgery department from July 2019 to June 2021, of which 168 lung cancer patients whose perioperative care method was traditional rehabilitation care were classified as A and 169 lung cancer patients who started to implement the intelligent medical intervention method in the department in September were classified as intelligent medical B. By reviewing patient cases and departmental statistics, general information, length of stay, hospitalization cost, complication rate, pain score, bowel movement recovery time, and pulmonary function index of the two groups A and B were compared. Nursing satisfaction was investigated by using a questionnaire. All the data in the study were processed and analyzed using SPSS 17.0 software. Results There were no differences in preoperative general data, pathological findings, preoperative underlying diseases, lesion involvement sites, and postoperative TNM stages (P > 0.05), which were comparable; the incidence of postoperative pulmonary infection and atelectasis complications, postoperative hospitalization time, and hospitalization cost were lower in group B than in group A; the postoperative chest tube drain placement time was shorter in group B than in group A, and the difference between the two groups was statistically significant (P < 0.05). The incidence of postoperative pain and discomfort in group B was lower than that in group A, and the difference between the two groups was statistically significant (P < 0.05); the incidence of postoperative chest pain, bleeding, pneumothorax, pulmonary infection, and atelectasis in group B was lower than that in group A, and the difference between the two groups was statistically significant (P < 0.05). Conclusion Intelligent medical rehabilitation nursing has good application value in thoracoscopic lung cancer surgery. Applying the concept of intelligent medical rehabilitation nursing provides an important experimental basis and theoretical basis for improving the postoperative survival quality and clinical symptoms of patients undergoing thoracoscopic lung cancer resection, which helps to promote the postoperative recovery of patients with thoracoscopic lung cancer, improves the recovery efficiency of patients and their overall quality of life, and is superior to the conventional nursing group.
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Affiliation(s)
- Yujing Zhou
- Department of Thoracic Surgery, Shanghai Pulmonary Hospital Affiliated to Tongji University, Shanghai, China
| | - Ming Xu
- Department of Thoracic Surgery, Shanghai Pulmonary Hospital Affiliated to Tongji University, Shanghai, China
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Yamada Y, Shimada Y, Makino Y, Kudo Y, Maehara S, Yamada T, Hagiwara M, Kakihana M, Ohira T, Ikeda N. Clinical utility of psoas muscle volume in assessment of sarcopenia in patients with early-stage non-small cell lung cancer. J Cancer Res Clin Oncol 2022:10.1007/s00432-022-04234-4. [PMID: 35916994 DOI: 10.1007/s00432-022-04234-4] [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: 05/19/2022] [Accepted: 07/20/2022] [Indexed: 10/16/2022]
Abstract
PURPOSE Sarcopenia influences postoperative outcomes of patients with non-small cell lung cancer (NSCLC). Imaging tools for evaluating and diagnosing sarcopenia have developed, and a novel method of psoas volume index (PVI) obtained by measuring bilateral psoas major muscle volume has been reported. However, the relationship between sarcopenia based on PVI and clinical outcomes has not been fully investigated for patients with early-stage NSCLC. This study aimed to clarify the utility of PVI values in assessing the relationshipe between sarcopenia and clinical outcomes. METHODS This study included 645 patients with stage I-II NSCLC who underwent curative lung resection between 2012 and 2017. Bilateral psoas major muscle volumes were calculated semi-automatically using a three-dimensional workstation. The cutoff value of PVI for defining sarcopenia was < 60.5 cm3/m3 for men and < 43.6 cm3/m3 for women. RESULTS The avrage time to obtaine PVI was only 25 s with the 3D system, and interobserver agreements for evauating sarcopenia on PVI was 1. A total of 159 patients (24.7%) were preoperatively diagnosed with sarcopenia. On multivariate analysis, sarcopenia was an independent prognostic factor for overall survival (OS, p < 0.001), recurrence-free survival (RFS, p < 0.001), and lung cancer-specific survival (LCS, p < 0.001). The 5-year OS, RFS, and LCS were significantly worse in sarcopenic patients than non-sarcopenic patients (88.8 vs. 72.4%, p < 0.001; 80.1 vs. 65.0%, p < 0.001; 92.4 vs. 78.9%, p < 0.001, respectively). CONCLUSION Sarcopenia diagnosed using PVI is an independent prognostic predictor of OS, RFS, and LCS in early-stage NSCLC.
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Affiliation(s)
- Yuki Yamada
- Department of Surgery, Tokyo Medical University, 6-7-1 Nishishinjuku, Shinjuku-ku, Tokyo, 160-0023, Japan
| | - Yoshihisa Shimada
- Department of Surgery, Tokyo Medical University, 6-7-1 Nishishinjuku, Shinjuku-ku, Tokyo, 160-0023, Japan.
| | - Yojiro Makino
- Department of Surgery, Tokyo Medical University, 6-7-1 Nishishinjuku, Shinjuku-ku, Tokyo, 160-0023, Japan
| | - Yujin Kudo
- Department of Surgery, Tokyo Medical University, 6-7-1 Nishishinjuku, Shinjuku-ku, Tokyo, 160-0023, Japan
| | - Sachio Maehara
- Department of Surgery, Tokyo Medical University, 6-7-1 Nishishinjuku, Shinjuku-ku, Tokyo, 160-0023, Japan
| | - Takafumi Yamada
- Department of Radiology, Tokyo Medical University, 6-7-1 Nishishinjuku, Shinjuku-ku, Tokyo, 160-0023, Japan
| | - Masaru Hagiwara
- Department of Surgery, Tokyo Medical University, 6-7-1 Nishishinjuku, Shinjuku-ku, Tokyo, 160-0023, Japan
| | - Masatoshi Kakihana
- Department of Surgery, Tokyo Medical University, 6-7-1 Nishishinjuku, Shinjuku-ku, Tokyo, 160-0023, Japan
| | - Tatsuo Ohira
- Department of Surgery, Tokyo Medical University, 6-7-1 Nishishinjuku, Shinjuku-ku, Tokyo, 160-0023, Japan
| | - Norihiko Ikeda
- Department of Surgery, Tokyo Medical University, 6-7-1 Nishishinjuku, Shinjuku-ku, Tokyo, 160-0023, Japan
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10
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Tsubokawa N, Mimura T, Tadokoro K, Yamashita Y. Classification based on skeletal muscle mass and the severity of lung emphysema impacts on clinical outcomes after anatomical resection for lung cancer. Jpn J Clin Oncol 2022; 52:917-924. [PMID: 35438159 DOI: 10.1093/jjco/hyac057] [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: 01/11/2022] [Accepted: 04/02/2022] [Indexed: 11/14/2022] Open
Abstract
OBJECTIVES Both sarcopenia and lung emphysema are prognostic factors in lung cancer and can be easily assessed using the psoas muscle index and Goddard score, respectively. We investigated the clinical significance of the classification based on psoas muscle index and Goddard score in non-small cell lung cancer. METHODS A total of 303 consecutive patients who underwent anatomical resection for non-small cell lung cancer were retrospectively analyzed. The psoas muscle at the level of the third lumbar vertebrae and Goddard score were measured on preoperative computed tomography. The psoas muscle was adjusted by height as the psoas muscle index (cm2/m2). We divided patients into three groups: low-, middle- and high-risk, using cut-off values of psoas muscle index < 6.36 cm2/m2 for males and 3.92 cm2/m2 for females and Goddard score higher than 7. The predictors of postoperative complications and prognosis were examined. RESULTS High-, middle- and low-risk were present in 30 (10%), 164 (54%) and 109 (36%) patients, respectively. High risk was significantly associated with male sex, low pulmonary function, more comorbidities and increased postoperative complications. High-risk patients showed poorer overall survival than middle- and low-risk patients (P < 0.001). Multivariable analysis revealed that high risk was an independent risk factor for postoperative complications and unfavorable prognostic factors (P = 0.011, P = 0.014, respectively). CONCLUSIONS Classification based on psoas muscle index and Goddard score is significantly associated with short- and long-term outcomes in patients with lung cancer. This method can be easily assessed for patients and may help select patients for nutritional support and rehabilitation before surgery.
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Affiliation(s)
- Norifumi Tsubokawa
- Department of General Thoracic Surgery, National Hospital Organization Kure Medical Center and Chugoku Cancer Center, Kure city, Hiroshima, Japan
| | - Takeshi Mimura
- Department of General Thoracic Surgery, National Hospital Organization Kure Medical Center and Chugoku Cancer Center, Kure city, Hiroshima, Japan
| | - Kazuki Tadokoro
- Department of General Thoracic Surgery, National Hospital Organization Kure Medical Center and Chugoku Cancer Center, Kure city, Hiroshima, Japan
| | - Yoshinori Yamashita
- Department of General Thoracic Surgery, National Hospital Organization Kure Medical Center and Chugoku Cancer Center, Kure city, Hiroshima, Japan
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11
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Utility of Noncancerous Chest CT Features for Predicting Overall Survival and Noncancer Death in Patients With Stage I Lung Cancer Treated With Stereotactic Body Radiotherapy. AJR Am J Roentgenol 2022; 219:579-589. [PMID: 35416054 DOI: 10.2214/ajr.22.27484] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/25/2022]
Abstract
Background: Noncancerous imaging markers can be readily derived from pretreatment diagnostic and radiotherapy planning chest CT examinations. Objective: To explore the ability of noncancerous features on chest CT to predict overall survival (OS) and noncancer-related death in patients with stage I lung cancer treated with stereotactic body radiation therapy (SBRT). Methods: This retrospective study included 282 patients (168 female, 114 male; median age, 75 years) with stage I lung cancer treated with SBRT between January 2009 and June 2017. Pretreatment chest CT was used to quantify coronary artery calcium (CAC) score, pulmonary artery (PA)-to-aorta ratio, emphysema, and body composition in terms of the cross-sectional area and attenuation of skeletal muscle and subcutaneous adipose tissue at the T5, T8, and T10 vertebral levels. Associations of clinical and imaging features with OS were quantified using a multivariable Cox proportional hazards (PH) model. Penalized multivariable Cox PH models to predict OS were constructed using clinical features only and using both clinical and imaging features. Models' discriminatory ability was assessed by constructing time-varying ROC curves and computing AUC at prespecified times. Results: After a median OS of 60.8 months (95% CI 55.8-68.9), 148 (52.5%) patients died, including 83 (56.1%) with noncancer deaths. Higher CAC score (11-399: hazard ratio [HR] 1.83 [95% CI 1.15-2.91], P=.01; ≥400: HR 1.63 [95% CI 1.01-2.63], P=.04), higher PA-to-aorta ratio (HR 1.33 [95% CI 1.16-1.52], P<.001, per 0.1-unit increase), and lower thoracic skeletal muscle index (HR 0.88 [95% CI 0.79-0.98], P=.02, per 10 cm2/m2 increase) were independently associated with shorter OS. Discriminatory ability for 5-year OS was greater for the model including clinical and imaging features than for the model including clinical features only (AUC, 0.75 [95% CI 0.68-0.83] versus 0.61 [95% CI 0.53-0.70], p < .01). The model's most important clinical or imaging feature based on mean standardized regression coefficients was the PA-to-aorta ratio. Conclusions: In patients undergoing SBRT for stage I lung cancer, higher CAC score, higher PA-to-aorta ratio, and lower thoracic skeletal muscle index independently predicted worse OS. Clinical Impact: Noncancerous imaging features on chest CT performed before SBRT improve survival prediction compared with clinical features alone.
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12
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Rizzo S, Petrella F, Bardoni C, Bramati L, Cara A, Mohamed S, Radice D, Raia G, Del Grande F, Spaggiari L. CT-Derived Body Composition Values and Complications After Pneumonectomy in Lung Cancer Patients: Time for a Sex-Related Analysis? Front Oncol 2022; 12:826058. [PMID: 35372021 PMCID: PMC8964946 DOI: 10.3389/fonc.2022.826058] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/30/2021] [Accepted: 02/09/2022] [Indexed: 12/12/2022] Open
Abstract
Purpose This study aimed to assess if CT-derived body composition values and clinical characteristics are associated with the risk of postsurgical complications in men and women who underwent pneumonectomy for lung cancer. Materials and Methods Patients who underwent pneumonectomy between 2004 and 2008 were selected. The ethics committee approved this retrospective study with waiver of informed content. Main clinical data collected were sex, age, weight and height to calculate body mass index (BMI), albumin, C-reactive protein, smoking status, side, sarcopenia, presurgical treatments, reoperation, and complications within 30 days after pneumonectomy, classified as: lung complications, cardiac complications, other complications, and any complication. From an axial CT image at the level of L3, automatic segmentations were performed to calculate skeletal muscle area (SMA), skeletal muscle density, subcutaneous adipose tissue, and visceral adipose tissue. Skeletal muscle index was calculated as SMA/square height. Univariate and multivariate logistic regression analyses were performed to estimate the risk of any complication, both on the total population and in a by sex subgroup analysis. All tests were two tailed and considered significant at 5% level. Results A total of 107 patients (84 men and 23 women) were included. Despite no significant differences in BMI, there were significant differences of body composition values in muscle and adipose tissue parameters between men and women, with women being significantly more sarcopenic than men (p = 0.002). Separate analyses for men and women showed that age and SMA were significantly associated with postoperative complications in men (p = 0.03 and 0.02, respectively). Conclusions Body composition measurements extracted from routine CT may help in predicting complications after pneumonectomy, with men and women being different in quantity and distribution of muscle and fat, and men significantly more prone to postpneumonectomy complications with the increase of age and the decrease of skeletal muscle area.
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Affiliation(s)
- Stefania Rizzo
- Service of Radiology, Imaging Institute of Southern Switzerland (IIMSI), Ente Ospedaliero Cantonale (EOC), Lugano, Switzerland.,Facoltà di Scienze biomediche, Università della Svizzera italiana (USI), Lugano, Switzerland
| | - Francesco Petrella
- Department of Thoracic Surgery, European Institute of Oncology (IEO), IRCCS, Milan, Italy.,Department of Oncology and Hemato-Oncology, University of Milan, Milan, Italy
| | - Claudia Bardoni
- Department of Thoracic Surgery, European Institute of Oncology (IEO), IRCCS, Milan, Italy
| | - Lorenzo Bramati
- Department of Thoracic Surgery, European Institute of Oncology (IEO), IRCCS, Milan, Italy
| | - Andrea Cara
- Department of Thoracic Surgery, European Institute of Oncology (IEO), IRCCS, Milan, Italy
| | - Shehab Mohamed
- Department of Thoracic Surgery, European Institute of Oncology (IEO), IRCCS, Milan, Italy
| | - Davide Radice
- Division of Epidemiology and Biostatistics, European Institute of Oncology (IEO), IRCCS, Milan, Italy
| | - Giorgio Raia
- Service of Radiology, Imaging Institute of Southern Switzerland (IIMSI), Ente Ospedaliero Cantonale (EOC), Lugano, Switzerland
| | - Filippo Del Grande
- Service of Radiology, Imaging Institute of Southern Switzerland (IIMSI), Ente Ospedaliero Cantonale (EOC), Lugano, Switzerland.,Facoltà di Scienze biomediche, Università della Svizzera italiana (USI), Lugano, Switzerland
| | - Lorenzo Spaggiari
- Department of Thoracic Surgery, European Institute of Oncology (IEO), IRCCS, Milan, Italy.,Department of Oncology and Hemato-Oncology, University of Milan, Milan, Italy
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13
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Catikkas NM, Bahat Z, Oren MM, Bahat G. Older cancer patients receiving radiotherapy: a systematic review for the role of sarcopenia in treatment outcomes. Aging Clin Exp Res 2022; 34:1747-1759. [PMID: 35169986 DOI: 10.1007/s40520-022-02085-0] [Citation(s) in RCA: 11] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/05/2021] [Accepted: 01/23/2022] [Indexed: 12/14/2022]
Abstract
BACKGROUND Previous studies have evaluated the prognostic effects of sarcopenia in cancer patients receiving various treatments, including chemotherapy and surgery, but few studies have focused on radiotherapy (RT). AIMS We aimed to investigate the prevalence of sarcopenia and the relationship between sarcopenia and outcomes in older cancer patients who underwent RT without chemotherapy. METHODS A systematic review of the literature was conducted in Pubmed/Medline and Cochrane databases in September 2021. We used the search terms and medical subject heading terms "sarcopenia," "low muscle mass (LMM)," "low muscle strength," "LMM and low muscle strength," "LMM and low muscle strength and low physical performance," and "RT." Outcomes were overall survival (OS), progression-free survival, non-cancer death, cancer death, disease-specific survival, local failure-free survival, distant failure-free survival, and RT-related toxicities. RESULTS Among 460 studies, 8 studies were eligible for inclusion. The prevalence of sarcopenia was between 42.8% and 72%. Sarcopenia was not associated with OS or OS at 3 years in seven studies in which it was defined as the presence of LMM, while it was related in one study, in which it was defined as the concomitant presence of LMM and muscle strength/function. DISCUSSION There was heterogeneity between the studies because there was diversity in their inclusion criteria, definition and assessment methods used for detection of sarcopenia, considered cutoffs for low muscle mass and strength, cross-sectional locations on imaging to assess muscle mass and included covariates. The discrepancy in the results of the studies may also result from the variations in diagnoses, sample sizes, and treatment modalities. The low number of included studies and a small number of patients in each study limited generalizability. CONCLUSIONS Sarcopenia may be a prognostic factor, especially in OS when low muscle strength/function is integrated into its definition. We suggest that clinicians focus on muscle strength/function while considering sarcopenia and its association with cancer and RT-related outcomes.
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Affiliation(s)
- Nezahat Muge Catikkas
- Division of Geriatrics, Department of Internal Medicine, Istanbul Medical School, Istanbul University, Capa, 34093, Istanbul, Turkey
| | - Zumrut Bahat
- Department of Radiation Oncology, Faculty of Medicine, Karadeniz Technical University, Trabzon, Turkey
| | - Meryem Merve Oren
- Department of Public Health, Istanbul Medical School, Istanbul University, Capa, 34093, Istanbul, Turkey
| | - Gulistan Bahat
- Division of Geriatrics, Department of Internal Medicine, Istanbul Medical School, Istanbul University, Capa, 34093, Istanbul, Turkey.
- Division of Geriatrics, Department of Internal Medicine, Istanbul Medical School, Istanbul University, Capa, 34390, Istanbul, Turkey.
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14
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Voorn M, Beukers K, Trepels C, Bootsma G, Bongers B, Janssen-Heijnen M. Associations between pretreatment nutritional assessments and treatment complications in patients with stage I-III non-small cell lung cancer: A systematic review. Clin Nutr ESPEN 2022; 47:152-162. [DOI: 10.1016/j.clnesp.2021.12.026] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/21/2021] [Accepted: 12/23/2021] [Indexed: 12/18/2022]
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15
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Troschel FM, Jin Q, Eichhorn F, Muley T, Best TD, Leppelmann KS, Yang CFJ, Troschel AS, Winter H, Heußel CP, Gaissert HA, Fintelmann FJ. Sarcopenia on preoperative chest computed tomography predicts cancer-specific and all-cause mortality following pneumonectomy for lung cancer: A multicenter analysis. Cancer Med 2021; 10:6677-6686. [PMID: 34409756 PMCID: PMC8495285 DOI: 10.1002/cam4.4207] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/20/2021] [Accepted: 07/30/2021] [Indexed: 12/20/2022] Open
Abstract
Background Mortality risk prediction in patients undergoing pneumonectomy for non‐small cell lung cancer (NSCLC) remains imperfect. Here, we aimed to assess whether sarcopenia on routine chest computed tomography (CT) independently predicts worse cancer‐specific (CSS) and overall survival (OS) following pneumonectomy for NSCLC. Methods We included consecutive adults undergoing standard or carinal pneumonectomy for NSCLC at Massachusetts General Hospital and Heidelberg University from 2010 to 2018. We measured muscle cross‐sectional area (CSA) on CT at thoracic vertebral levels T8, T10, and T12 within 90 days prior to surgery. Sarcopenia was defined as T10 muscle CSA less than two standard deviations below the mean in healthy controls. We adjusted time‐to‐event analyses for age, body mass index, Charlson Comorbidity Index, forced expiratory volume in 1 second in % predicted, induction therapy, sex, smoking status, tumor stage, side of pneumonectomy, and institution. Results Three hundred and sixty‐seven patients (67.4% male, median age 62 years, 16.9% early‐stage) underwent predominantly standard pneumonectomy (89.6%) for stage IIIA NSCLC (45.5%) and squamous cell histology (58%). Sarcopenia was present in 104 of 367 patients (28.3%). Ninety‐day all‐cause mortality was 7.1% (26/367). After a median follow‐up of 20.5 months (IQR, 9.2–46.9), 183 of 367 patients (49.9%) had died. One hundred and thirty‐three (72.7%) of these deaths were due to lung cancer. Sarcopenia was associated with shorter CSS (HR 1.7, p = 0.008) and OS (HR 1.7, p = 0.003). Conclusions This transatlantic multicenter study confirms that sarcopenia on preoperative chest CT is an independent risk factor for CSS and OS following pneumonectomy for NSCLC.
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Affiliation(s)
- Fabian M Troschel
- Department of Radiation Oncology, Münster University Hospital, Münster, Germany.,Department of Radiology, Division of Thoracic Imaging and Intervention, Massachusetts General Hospital, Boston, Massachusetts, USA
| | - Qianna Jin
- Department of Diagnostic and Interventional Radiology with Nuclear Medicine, Thoraxklinik Heidelberg at Heidelberg University Hospital, Heidelberg, Germany.,Department of Diagnostic and Interventional Radiology, University Hospital Heidelberg, Heidelberg, Germany.,Translational Lung Research Centre (TLRC) Heidelberg, German Centre for Lung Research, Heidelberg, Germany.,Department of Radiology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Florian Eichhorn
- Translational Lung Research Centre (TLRC) Heidelberg, German Centre for Lung Research, Heidelberg, Germany.,Department of Surgery, Thoraxklinik, Heidelberg University Hospital, Heidelberg, Germany
| | - Thomas Muley
- Translational Lung Research Centre (TLRC) Heidelberg, German Centre for Lung Research, Heidelberg, Germany.,Department of Surgery, Thoraxklinik, Heidelberg University Hospital, Heidelberg, Germany
| | - Till D Best
- Department of Radiology, Division of Thoracic Imaging and Intervention, Massachusetts General Hospital, Boston, Massachusetts, USA.,Department of Radiology, Charité-Universitätsmedizin Berlin, Corporate Member of Freie Universität Berlin, Humboldt-Universität zu Berlin, Berlin Institute of Health, Berlin, Germany
| | - Konstantin S Leppelmann
- Department of Radiology, Division of Thoracic Imaging and Intervention, Massachusetts General Hospital, Boston, Massachusetts, USA
| | - Chi-Fu Jeffrey Yang
- Department of Surgery, Division of Thoracic Surgery, Massachusetts General Hospital, Boston, Massachusetts, USA
| | - Amelie S Troschel
- Department of Radiology, Division of Thoracic Imaging and Intervention, Massachusetts General Hospital, Boston, Massachusetts, USA
| | - Hauke Winter
- Translational Lung Research Centre (TLRC) Heidelberg, German Centre for Lung Research, Heidelberg, Germany.,Department of Surgery, Thoraxklinik, Heidelberg University Hospital, Heidelberg, Germany
| | - Claus P Heußel
- Department of Diagnostic and Interventional Radiology with Nuclear Medicine, Thoraxklinik Heidelberg at Heidelberg University Hospital, Heidelberg, Germany.,Department of Diagnostic and Interventional Radiology, University Hospital Heidelberg, Heidelberg, Germany.,Translational Lung Research Centre (TLRC) Heidelberg, German Centre for Lung Research, Heidelberg, Germany
| | - Henning A Gaissert
- Department of Surgery, Division of Thoracic Surgery, Massachusetts General Hospital, Boston, Massachusetts, USA
| | - Florian J Fintelmann
- Department of Radiology, Division of Thoracic Imaging and Intervention, Massachusetts General Hospital, Boston, Massachusetts, USA
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16
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Çınar HU, Çelik B, Taşkın G, İnce Ö. Low thoracic muscle mass index on computed tomography predicts adverse outcomes following lobectomy via thoracotomy for lung cancer. Interact Cardiovasc Thorac Surg 2021; 33:712-720. [PMID: 34244772 DOI: 10.1093/icvts/ivab150] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/18/2020] [Revised: 04/14/2021] [Accepted: 04/14/2021] [Indexed: 12/12/2022] Open
Abstract
OBJECTIVES The aim of this study was to determine whether the preoperative thoracic muscle mass is associated with postoperative outcomes in patients undergoing lobectomy via thoracotomy for lung cancer. METHODS Consecutive patients undergoing lobectomy were retrospectively reviewed. The thoracic muscle mass index (TMMI) was obtained at the level of the fifth thoracic vertebra on preoperative thoracic computed tomography (CT). Patients were analysed comparatively by being dividing into low and high muscle index groups by the median of sex-specific TMMI. The primary outcomes were the incidence of any or postoperative pulmonary complications. The secondary outcomes were postoperative intensive care unit (ICU) admission, length of stay (LOS) in the ICU, total hospital LOS, readmission and mortality. RESULTS The study population consisted of 120 patients (63.6 ± 9.8 years; 74% male). Each groups included 60 patients. Major complications occurred in 28.3% (34/120) and readmission in 18.3% (22/120) of patients. The adjusted multivariable analysis showed that each unit increase in TMMI (cm2/m2) was independently associated with the rates of less any complications [odds ratio (OR) 0.92, P = 0.014], pulmonary complications (OR 0.27, P = 0.019), ICU admission (OR 0.76, P = 0.031), hospitalization for >6 days (OR 0.90, P = 0.008) and readmission (OR 0.93, P = 0.029). CONCLUSIONS Low TMMI obtained from the preoperative thoracic CT is an independent predictor of postoperative adverse outcomes in patients following lobectomy via thoracotomy for lung cancer. TMMI measurements may contribute to the development of preoperative risk stratification studies in the future.
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Affiliation(s)
- Hüseyin Ulaş Çınar
- Department of Thoracic Surgery, Medicana International Hospital, Samsun, Turkey
| | - Burçin Çelik
- Department of Thoracic Surgery, Medicana International Hospital, Samsun, Turkey.,Department of Thoracic Surgery, Ondokuz Mayıs University Medical Faculty, Samsun, Turkey
| | - Gülten Taşkın
- Department of Radiology, Medicana International Hospital, Samsun, Turkey
| | - Özgür İnce
- Department of Chest Diseases, Medicana International Hospital, Samsun, Turkey
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17
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Moctezuma-Velázquez P, Miranda-Zazueta G, Ortiz-Brizuela E, González-Lara MF, Tamez-Torres KM, Román-Montes CM, Díaz-Mejía BA, Pérez-García E, Villanueva-Reza M, Tovar-Méndez VH, Medrano-Borromeo C, Martínez-Valenzuela A, Jandete-Medina MÁ, Martínez-Guerra BA, Uscanga-Domínguez L, Sifuentes-Osornio J, Ponce-de-León A, Olivas-Martinez A, Moctezuma-Velázquez C. Low Thoracic Skeletal Muscle Area Is Not Associated With Negative Outcomes in Patients With COVID-19. Am J Phys Med Rehabil 2021; 100:413-418. [PMID: 33587451 DOI: 10.1097/phm.0000000000001716] [Citation(s) in RCA: 24] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Abstract
OBJECTIVE Sarcopenia has been related to negative outcomes in different clinical scenarios from critical illness to chronic conditions. The aim of this study was to verify whether there was an association between low skeletal muscle index and in-hospital mortality, intensive care unit admission, and invasive mechanical ventilation need in hospitalized patients with COVID-19. DESIGN This was a retrospective cohort study of a referral center for COVID-19. We included all consecutive patients admitted to the hospital between February 26 and May 15, 2020, with a confirmed diagnosis of COVID-19. Skeletal muscle index was assessed from a transverse computed tomography image at the level of twelfth thoracic vertebra with National Institutes of Health ImageJ software, and statistical analysis was performed to find an association between skeletal muscle index and in-hospital mortality, need of invasive mechanical ventilation, and intensive care unit admission. RESULTS We included 519 patients, the median age was 51 (42-61) yrs, and 115 patients (22%) had low skeletal muscle index. On multivariable analysis, skeletal muscle index was not associated with mortality, intensive care unit admission, or invasive mechanical ventilation need nor in a subanalysis of patients 65 yrs or older. CONCLUSIONS Skeletal muscle index determined by computed tomography at the level of twelfth thoracic vertebra was not associated with negative outcomes in hospitalized patients with COVID-19.
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Affiliation(s)
- Paulina Moctezuma-Velázquez
- From the Departments of Colorectal Surgery (PM-V), Gastroenterology (GM-Z, LU-D, CM-V), Infectious Diseases (EO-B, MFG-L, KMT-T, CMR-M, EP-G, MV-R, BAM-G, AP-d-L), and Medicine (BAD-M, VHT-M, CM-B, AM-V, MÁJ-M, JS-O, AO-M), Instituto Nacional de Ciencias Médicas y Nutrición Salvador Zubirán, Mexico City, Mexico
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18
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The use of alternate vertebral levels to L3 in computed tomography scans for skeletal muscle mass evaluation and sarcopenia assessment in patients with cancer: a systematic review. Br J Nutr 2021; 127:722-735. [PMID: 33910664 DOI: 10.1017/s0007114521001446] [Citation(s) in RCA: 31] [Impact Index Per Article: 10.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/25/2022]
Abstract
Body composition measurement using diagnostic computed tomography (CT) scans has emerged as a method to assess sarcopenia (low muscle mass) in oncology patients. Assessment of skeletal muscle mass (SMM) using the cross-sectional area of a single vertebral slice (at lumbar L3) in a CT scan is correlated with whole-body skeletal muscle volume. This method is used to assess CT-defined sarcopenia in patients with cancer, with low SMM effecting outcomes. However, as diagnostic scans are based on tumour location, not all include L3. We evaluated the evidence for the use of alternate vertebral CT slices for SMM evaluation when L3 is not available. Five electronic databases were searched from January 1996 to April 2020 for studies using CT scan vertebral slices above L3 for SM measurement in adults with cancer (solid tumours). Validation with whole-body SMM, rationale for the chosen slice and sarcopenia cut-off values were investigated. Thirty-two studies were included, all retrospective and cross-sectional in design. Cervical, thoracic and lumbar slices were used (from C3 to L1), with no validation of whole-body SMM using CT scans. Alternate slices were used in lung, and head and neck cancer patients. Sarcopenia cut-off values were reported in 75 % of studies, with differing methods, with or without sex-specific values, and a lack of consensus. Current evidence is inadequate to provide definitive recommendations for alternate vertebral slice use for SMM evaluation in cancer patients. Variation in sarcopenia cut-offs warrants more robust investigation, in order for risk stratification to be applied to all patients with cancer.
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Daffrè E, Prieto M, Martini K, Hoang-Thi TN, Halm N, Dermine H, Bobbio A, Chassagnon G, Revel MP, Alifano M. Total Psoas Area and Total Muscular Parietal Area Affect Long-Term Survival of Patients Undergoing Pneumonectomy for Non-Small Cell Lung Cancer. Cancers (Basel) 2021; 13:cancers13081888. [PMID: 33920022 PMCID: PMC8071015 DOI: 10.3390/cancers13081888] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/12/2021] [Revised: 04/06/2021] [Accepted: 04/12/2021] [Indexed: 12/25/2022] Open
Abstract
There is no standardization in methods to assess sarcopenia; in particular the prognostic significance of muscular fatty infiltration in lung cancer patients undergoing surgery has not been evaluated so far. We thus performed several computed tomography (CT)-based morphometric measurements of sarcopenia in 238 consecutive non-small cell lung-cancer patients undergoing pneumonectomy from 1 January 2007 to 31 December 2015. Sarcopenia was assessed by the following CT-based parameters: cross-sectional total psoas area (TPA), cross-sectional total muscle area (TMA), and total parietal muscle area (TPMA), defined as TMA without TPA. Measures were performed at the level of the third lumbar vertebra and were obtained for the entire muscle surface, as well as by excluding fatty infiltration based on CT attenuation. Findings were stratified for gender, and a threshold of the 33rd percentile was set to define sarcopenia. Furthermore, we assessed the possibility of being sarcopenic at both the TPA and TPMA level, or not, by taking into account of not fatty infiltration. Five-year survival was 39.1% for the whole population. Lower TPA, TMA, and TPA were associated with lower survival at univariate analysis; taking into account muscular fatty infiltration did not result in more powerful discrimination. Being sarcopenic at both psoas and parietal muscle level had the optimum discriminating power. At the multivariable analysis, being sarcopenic at both psoas and parietal muscles (considering the whole muscle areas, including muscular fat), male sex, increasing age, and tumor stage, as well as Charlson Comorbidity Index (CCI), were independently associated with worse long-term outcomes. We conclude that sarcopenia is a powerful negative prognostic factor in patients with lung cancer treated by pneumonectomy.
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Affiliation(s)
- Elisa Daffrè
- Department of Thoracic Surgery, Paris Centre University Hospitals, AP-HP, 75014 Paris, France; (E.D.); (M.P.); (A.B.)
| | - Mathilde Prieto
- Department of Thoracic Surgery, Paris Centre University Hospitals, AP-HP, 75014 Paris, France; (E.D.); (M.P.); (A.B.)
| | - Katharina Martini
- Department of Diagnostic and Interventional Radiology, University Hospital Zurich, Rämistrasse 100, CH-8091 Zurich, Switzerland;
| | - Trieu-Nghi Hoang-Thi
- Department of Radiology, Paris Centre University Hospitals, AP-HP, 75014 Paris, France; (T.-N.H.-T.); (N.H.); (G.C.); (M.P.R.)
| | - Nara Halm
- Department of Radiology, Paris Centre University Hospitals, AP-HP, 75014 Paris, France; (T.-N.H.-T.); (N.H.); (G.C.); (M.P.R.)
| | - Hervè Dermine
- Department of Anesthesiology and Intensive Care, Paris Centre University Hospitals, AP-HP, 75014 Paris, France;
| | - Antonio Bobbio
- Department of Thoracic Surgery, Paris Centre University Hospitals, AP-HP, 75014 Paris, France; (E.D.); (M.P.); (A.B.)
| | - Guillaume Chassagnon
- Department of Radiology, Paris Centre University Hospitals, AP-HP, 75014 Paris, France; (T.-N.H.-T.); (N.H.); (G.C.); (M.P.R.)
- Faculty of Medicine, University of Paris, 75006 Paris, France
| | - Marie Pierre Revel
- Department of Radiology, Paris Centre University Hospitals, AP-HP, 75014 Paris, France; (T.-N.H.-T.); (N.H.); (G.C.); (M.P.R.)
- Faculty of Medicine, University of Paris, 75006 Paris, France
| | - Marco Alifano
- Department of Thoracic Surgery, Paris Centre University Hospitals, AP-HP, 75014 Paris, France; (E.D.); (M.P.); (A.B.)
- Faculty of Medicine, University of Paris, 75006 Paris, France
- Correspondence:
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20
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Hanley C, Donahoe L, Slinger P. "Fit for Surgery? What's New in Preoperative Assessment of the High-Risk Patient Undergoing Pulmonary Resection". J Cardiothorac Vasc Anesth 2020; 35:3760-3773. [PMID: 33454169 DOI: 10.1053/j.jvca.2020.11.025] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/17/2020] [Revised: 11/10/2020] [Accepted: 11/11/2020] [Indexed: 12/21/2022]
Abstract
Advances in perioperative assessment and diagnostics, together with developments in anesthetic and surgical techniques, have considerably expanded the pool of patients who may be suitable for pulmonary resection. Thoracic surgical patients frequently are perceived to be at high perioperative risk due to advanced age, level of comorbidity, and the risks associated with pulmonary resection, which predispose them to a significantly increased risk of perioperative complications, increased healthcare resource use, and costs. The definition of what is considered "fit for surgery" in thoracic surgery continually is being challenged. However, no internationally standardized definition of prohibitive risk exists. Perioperative assessment traditionally concentrates on the "three-legged stool" of pulmonary mechanical function, parenchymal function, and cardiopulmonary reserve. However, no single criterion should exclude a patient from surgery, and there are other perioperative factors in addition to the tripartite assessment that need to be considered in order to more accurately assess functional capacity and predict individual perioperative risk. In this review, the authors aim to address some of the more erudite concepts that are important in preoperative risk assessment of the patient at potentially prohibitive risk undergoing pulmonary resection for malignancy.
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Affiliation(s)
- Ciara Hanley
- Department of Anesthesia and Pain Management, University of Toronto, Toronto General Hospital, Toronto, Ontario, Canada.
| | - Laura Donahoe
- Division of Thoracic Surgery, Toronto General Hospital, University of Toronto, Toronto, Ontario, Canada
| | - Peter Slinger
- Department of Anesthesia and Pain Management, University of Toronto, Toronto General Hospital, Toronto, Ontario, Canada
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21
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Impact of musculoskeletal degradation on cancer outcomes and strategies for management in clinical practice. Proc Nutr Soc 2020; 80:73-91. [PMID: 32981540 DOI: 10.1017/s0029665120007855] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Abstract
The prevalence of malnutrition in patients with cancer is one of the highest of all patient groups. Weight loss (WL) is a frequent manifestation of malnutrition in cancer and several large-scale studies have reported that involuntary WL affects 50-80% of patients with cancer, with the degree of WL dependent on tumour site, type and stage of disease. The study of body composition in oncology using computed tomography has unearthed the importance of both low muscle mass (sarcopenia) and low muscle attenuation as important prognostic indications of unfavourable outcomes including poorer tolerance to chemotherapy; significant deterioration in performance status and quality of life (QoL), poorer post-operative outcomes and shortened survival. While often hidden by excess fat and high BMI, muscle abnormalities are highly prevalent in patients with cancer (ranging from 10 to 90%). Early screening to identify individuals with sarcopenia and decreased muscle quality would allow for earlier multimodal interventions to attenuate adverse body compositional changes. Multimodal therapies (combining nutritional counselling, exercise and anti-inflammatory drugs) are currently the focus of randomised trials to examine if this approach can provide a sufficient stimulus to prevent or slow the cascade of tissue wasting and if this then impacts on outcomes in a positive manner. This review will focus on the aetiology of musculoskeletal degradation in cancer; the impact of sarcopenia on chemotherapy tolerance, post-operative complications, QoL and survival; and outline current strategies for attenuation of muscle loss in clinical practice.
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22
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Multilevel Body Composition Analysis on Chest Computed Tomography Predicts Hospital Length of Stay and Complications After Lobectomy for Lung Cancer. Ann Surg 2020; 275:e708-e715. [DOI: 10.1097/sla.0000000000004040] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
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23
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Reply to comment on "the psoas muscle index as a predictor of mortality and morbidity of geriatric trauma patients: experience of a major trauma center in Kobe". Surg Today 2020; 51:329-330. [PMID: 32488480 DOI: 10.1007/s00595-020-02042-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/12/2020] [Accepted: 05/27/2020] [Indexed: 10/24/2022]
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24
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Boisen ML, Schisler T, Kolarczyk L, Melnyk V, Rolleri N, Bottiger B, Klinger R, Teeter E, Rao VK, Gelzinis TA. The Year in Thoracic Anesthesia: Selected Highlights from 2019. J Cardiothorac Vasc Anesth 2020; 34:1733-1744. [PMID: 32430201 DOI: 10.1053/j.jvca.2020.03.016] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/03/2020] [Accepted: 03/09/2020] [Indexed: 12/25/2022]
Abstract
THIS special article is the 4th in an annual series for the Journal of Cardiothoracic and Vascular Anesthesia. The authors thank the editor-in-chief, Dr. Kaplan; the associate editor-in-chief, Dr. Augoustides; and the editorial board for the opportunity to expand this series, the research highlights of the year that specifically pertain to the specialty of thoracic anesthesia. The major themes selected for 2019 are outlined in this introduction, and each highlight is reviewed in detail in the main body of the article. The literature highlights in this specialty for 2019 include updates in the preoperative assessment and optimization of patients undergoing lung resection and esophagectomy, updates in one lung ventilation (OLV) and protective ventilation during OLV, a review of recent meta-analyses comparing truncal blocks with paravertebral catheters and the introduction of a new truncal block, meta-analyses comparing nonintubated video-assisted thoracoscopic surgery (VATS) with those performed using endotracheal intubation, a review of the Society of Thoracic Surgeons (STS) recent composite score rating for pulmonary resection of lung cancer, and an update of the Enhanced Recovery After Surgery (ERAS) guidelines for both lung and esophageal surgery.
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Affiliation(s)
- Michael L Boisen
- Department of Anesthesiology and Perioperative Medicine, University of Pittsburgh, Pittsburgh, PA
| | - Travis Schisler
- Department of Anesthesiology, Pharmacology and Therapeutics, University of British Columbia, Vancouver General Hospital, Vancouver, Canada
| | - Lavinia Kolarczyk
- Department of Anesthesiology, University of North Carolina, Chapel Hill, NC
| | - Vladyslav Melnyk
- Department of Anesthesiology and Pain Medicine, University of Toronto - Toronto General Hospital, Toronto, Canada
| | - Noah Rolleri
- Department of Anesthesiology and Perioperative Medicine, University of Pittsburgh, Pittsburgh, PA
| | | | | | - Emily Teeter
- Department of Anesthesiology, University of North Carolina, Chapel Hill, NC
| | - Vidya K Rao
- Department of Anesthesiology, Perioperative and Pain Medicine, Stanford University, Stanford, CA
| | - Theresa A Gelzinis
- Department of Anesthesiology and Perioperative Medicine, University of Pittsburgh, Pittsburgh, PA.
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