JAMA surgeryPub Date : 2024-12-01DOI: 10.1001/jamasurg.2024.2749
Jennifer E B Harman, David C Linehan, Anusha Naganathan
{"title":"Supporting Surgeon-Scientists to Prosper as Researchers.","authors":"Jennifer E B Harman, David C Linehan, Anusha Naganathan","doi":"10.1001/jamasurg.2024.2749","DOIUrl":"10.1001/jamasurg.2024.2749","url":null,"abstract":"","PeriodicalId":14690,"journal":{"name":"JAMA surgery","volume":" ","pages":"1335-1336"},"PeriodicalIF":15.7,"publicationDate":"2024-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142361523","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
JAMA surgeryPub Date : 2024-12-01DOI: 10.1001/jamasurg.2024.3509
Lia D Delaney, Adam Furst, Heather Day, Katherine Arnow, Robin M Cisco, Electron Kebebew, Maria E Montez-Rath, Manjula Kurella Tamura, Carolyn D Seib
{"title":"Parathyroidectomy and the Development of New Depression Among Adults With Primary Hyperparathyroidism.","authors":"Lia D Delaney, Adam Furst, Heather Day, Katherine Arnow, Robin M Cisco, Electron Kebebew, Maria E Montez-Rath, Manjula Kurella Tamura, Carolyn D Seib","doi":"10.1001/jamasurg.2024.3509","DOIUrl":"10.1001/jamasurg.2024.3509","url":null,"abstract":"<p><strong>Importance: </strong>Primary hyperparathyroidism (PHPT) is a common endocrine disorder associated with neuropsychiatric symptoms. Although parathyroidectomy has been associated with improvement of preexisting depression among adults with PHPT, the effect of parathyroidectomy on the development of new depression is unknown.</p><p><strong>Objective: </strong>To determine the effect of early parathyroidectomy on the incidence of new depression among adults with PHPT compared with nonoperative management.</p><p><strong>Design, setting, and participants: </strong>Analyzed data included observational national Veterans Affairs data from adults with a new diagnosis of PHPT from 2000 through 2019 using target trial emulation with cloning, a biostatistical method that uses observational data to emulate a randomized clinical trial. New depression rates were compared between those treated with early parathyroidectomy vs nonoperative management using an extended Cox model with time-varying inverse probability censoring weighting, adjusted for patient demographics, comorbidities, and depression risk factors. Eligible adults with a new biochemical diagnosis of PHPT, excluding those with past depression diagnoses, residing in an assisted living/nursing facility, or with Charlson Comorbidity Index score higher than 4 were included. These data were analyzed January 4, 2023, through June 15, 2023.</p><p><strong>Exposure: </strong>Early parathyroidectomy (within 1 year of PHPT diagnosis) vs nonoperative management.</p><p><strong>Main outcome: </strong>New depression, including among subgroups according to patient age (65 years or older; younger than 65 years) and baseline serum calcium (11.3 mg/dL or higher; less than 11.3 mg/dL).</p><p><strong>Results: </strong>The study team identified 40 231 adults with PHPT and no history of depression of whom 35896 were male (89%) and the mean (SD) age was 67 (11.3) years. A total of 3294 patients underwent early parathyroidectomy (8.2%). The weighted cumulative incidence of depression was 11% at 5 years and 18% at 10 years among patients who underwent parathyroidectomy, compared with 9% and 18%, respectively, among nonoperative patients. Those treated with early parathyroidectomy experienced no difference in the adjusted rate of new depression compared with nonoperative management (hazard ratio, 1.05; 95% CI, 0.94-1.17). There was also no estimated effect of early parathyroidectomy on new depression in subgroup analyses based on patient age or serum calcium.</p><p><strong>Conclusions: </strong>In this study, there was no difference in the incidence of new depression among adults with PHPT treated with early parathyroidectomy vs nonoperative management, which is relevant to preoperative discussions about the benefits and risks of operative treatment.</p>","PeriodicalId":14690,"journal":{"name":"JAMA surgery","volume":" ","pages":"1375-1382"},"PeriodicalIF":15.7,"publicationDate":"2024-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11375523/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142125735","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
JAMA surgeryPub Date : 2024-12-01DOI: 10.1001/jamasurg.2024.3755
Kristen L Stephens, Scott T Hollenbeck
{"title":"Face Transplants Today.","authors":"Kristen L Stephens, Scott T Hollenbeck","doi":"10.1001/jamasurg.2024.3755","DOIUrl":"10.1001/jamasurg.2024.3755","url":null,"abstract":"","PeriodicalId":14690,"journal":{"name":"JAMA surgery","volume":" ","pages":"1345-1346"},"PeriodicalIF":15.7,"publicationDate":"2024-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142287513","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
JAMA surgeryPub Date : 2024-12-01DOI: 10.1001/jamasurg.2024.4296
Nathan N O'Hara
{"title":"The Untapped Potential of Tax Data in Health Research.","authors":"Nathan N O'Hara","doi":"10.1001/jamasurg.2024.4296","DOIUrl":"10.1001/jamasurg.2024.4296","url":null,"abstract":"","PeriodicalId":14690,"journal":{"name":"JAMA surgery","volume":" ","pages":"1423"},"PeriodicalIF":15.7,"publicationDate":"2024-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142390613","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
JAMA surgeryPub Date : 2024-12-01DOI: 10.1001/jamasurg.2024.4299
Jeremy A Balch, Matthew M Ruppert, Ziyuan Guan, Timothy R Buchanan, Kenneth L Abbott, Benjamin Shickel, Azra Bihorac, Muxuan Liang, Gilbert R Upchurch, Christopher J Tignanelli, Tyler J Loftus
{"title":"Risk-Specific Training Cohorts to Address Class Imbalance in Surgical Risk Prediction.","authors":"Jeremy A Balch, Matthew M Ruppert, Ziyuan Guan, Timothy R Buchanan, Kenneth L Abbott, Benjamin Shickel, Azra Bihorac, Muxuan Liang, Gilbert R Upchurch, Christopher J Tignanelli, Tyler J Loftus","doi":"10.1001/jamasurg.2024.4299","DOIUrl":"10.1001/jamasurg.2024.4299","url":null,"abstract":"<p><strong>Importance: </strong>Machine learning tools are increasingly deployed for risk prediction and clinical decision support in surgery. Class imbalance adversely impacts predictive performance, especially for low-incidence complications.</p><p><strong>Objective: </strong>To evaluate risk-prediction model performance when trained on risk-specific cohorts.</p><p><strong>Design, setting, and participants: </strong>This cross-sectional study performed from February 2024 to July 2024 deployed a deep learning model, which generated risk scores for common postoperative complications. A total of 109 445 inpatient operations performed at 2 University of Florida Health hospitals from June 1, 2014, to May 5, 2021 were examined.</p><p><strong>Exposures: </strong>The model was trained de novo on separate cohorts for high-risk, medium-risk, and low-risk Common Procedure Terminology codes defined empirically by incidence of 5 postoperative complications: (1) in-hospital mortality; (2) prolonged intensive care unit (ICU) stay (≥48 hours); (3) prolonged mechanical ventilation (≥48 hours); (4) sepsis; and (5) acute kidney injury (AKI). Low-risk and high-risk cutoffs for complications were defined by the lower-third and upper-third prevalence in the dataset, except for mortality, cutoffs for which were set at 1% or less and greater than 3%, respectively.</p><p><strong>Main outcomes and measures: </strong>Model performance metrics were assessed for each risk-specific cohort alongside the baseline model. Metrics included area under the receiver operating characteristic curve (AUROC), area under the precision-recall curve (AUPRC), F1 scores, and accuracy for each model.</p><p><strong>Results: </strong>A total of 109 445 inpatient operations were examined among patients treated at 2 University of Florida Health hospitals in Gainesville (77 921 procedures [71.2%]) and Jacksonville (31 524 procedures [28.8%]). Median (IQR) patient age was 58 (43-68) years, and median (IQR) Charlson Comorbidity Index score was 2 (0-4). Among 109 445 operations, 55 646 patients were male (50.8%), and 66 495 patients (60.8%) underwent a nonemergent, inpatient operation. Training on the high-risk cohort had variable impact on AUROC, but significantly improved AUPRC (as assessed by nonoverlapping 95% confidence intervals) for predicting mortality (0.53; 95% CI, 0.43-0.64), AKI (0.61; 95% CI, 0.58-0.65), and prolonged ICU stay (0.91; 95% CI, 0.89-0.92). It also significantly improved F1 score for mortality (0.42; 95% CI, 0.36-0.49), prolonged mechanical ventilation (0.55; 95% CI, 0.52-0.58), sepsis (0.46; 95% CI, 0.43-0.49), and AKI (0.57; 95% CI, 0.54-0.59). After controlling for baseline model performance on high-risk cohorts, AUPRC increased significantly for in-hospital mortality only (0.53; 95% CI, 0.42-0.65 vs 0.29; 95% CI, 0.21-0.40).</p><p><strong>Conclusion and relevance: </strong>In this cross-sectional study, by training separate models using a priori knowledge for procedure-","PeriodicalId":14690,"journal":{"name":"JAMA surgery","volume":" ","pages":"1424-1431"},"PeriodicalIF":15.7,"publicationDate":"2024-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11465118/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142390612","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
JAMA surgeryPub Date : 2024-12-01DOI: 10.1001/jamasurg.2024.3927
Jonathan Abdelmalak, John Zalcberg, Stuart K Roberts
{"title":"Methods and Statistical Analysis in a Study of Liver Resection vs Nonsurgical Treatments for Hepatocellular Carcinoma.","authors":"Jonathan Abdelmalak, John Zalcberg, Stuart K Roberts","doi":"10.1001/jamasurg.2024.3927","DOIUrl":"10.1001/jamasurg.2024.3927","url":null,"abstract":"","PeriodicalId":14690,"journal":{"name":"JAMA surgery","volume":" ","pages":"1440-1441"},"PeriodicalIF":15.7,"publicationDate":"2024-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142346904","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
JAMA surgeryPub Date : 2024-12-01DOI: 10.1001/jamasurg.2024.4183
Rodney H Breau, Luke T Lavallée, Ilias Cagiannos, Franco Momoli, Gregory L Bryson, Salmaan Kanji, Christopher Morash, Alexis F Turgeon, Ryan Zarychanski, Brett L Houston, Daniel I McIsaac, Ranjeeta Mallick, Greg A Knoll, Girish Kulkarni, Jonathan Izawa, Fred Saad, Wassim Kassouf, Vincent Fradet, Ricardo Rendon, Bobby Shayegan, Adrian Fairey, Darrel E Drachenberg, Dean Fergusson
{"title":"Tranexamic Acid During Radical Cystectomy: A Randomized Clinical Trial.","authors":"Rodney H Breau, Luke T Lavallée, Ilias Cagiannos, Franco Momoli, Gregory L Bryson, Salmaan Kanji, Christopher Morash, Alexis F Turgeon, Ryan Zarychanski, Brett L Houston, Daniel I McIsaac, Ranjeeta Mallick, Greg A Knoll, Girish Kulkarni, Jonathan Izawa, Fred Saad, Wassim Kassouf, Vincent Fradet, Ricardo Rendon, Bobby Shayegan, Adrian Fairey, Darrel E Drachenberg, Dean Fergusson","doi":"10.1001/jamasurg.2024.4183","DOIUrl":"10.1001/jamasurg.2024.4183","url":null,"abstract":"<p><strong>Importance: </strong>Among cancer surgeries, patients requiring open radical cystectomy have the highest risk of red blood cell (RBC) transfusion. Prophylactic tranexamic acid (TXA) reduces blood loss during cardiac and orthopedic surgery, and it is possible that similar effects of TXA would be observed during radical cystectomy.</p><p><strong>Objective: </strong>To determine whether TXA, administered before incision and for the duration of radical cystectomy, reduced the number of RBC transfusions received by patients up to 30 days after surgery.</p><p><strong>Design, setting, and participants: </strong>The Tranexamic Acid During Cystectomy Trial (TACT) was a double-blind, placebo-controlled, randomized clinical trial with enrollment between June 2013 and January 2021. This multicenter trial was conducted in 10 academic centers. A consecutive sample of patients was eligible if the patients had a planned open radical cystectomy for the treatment of bladder cancer.</p><p><strong>Intervention: </strong>Before incision, patients in the intervention arm received a loading dose of intravenous TXA, 10 mg/kg, followed by a maintenance infusion of 5 mg/kg per hour for the duration of the surgery. In the control arm, patients received indistinguishable matching placebo.</p><p><strong>Main outcomes and measures: </strong>The primary outcome was receipt of RBC transfusion up to 30 days after surgery.</p><p><strong>Results: </strong>A total of 386 patients were assessed for eligibility, and 33 did not meet eligibility. Of 353 randomized patients (median [IQR] age, 69 [62-75] years; 263 male [74.5%]), 344 were included in the intention-to-treat analysis. RBC transfusion up to 30 days occurred in 64 of 173 patients (37.0%) in the TXA group and 64 of 171 patients (37.4%) in the placebo group (relative risk, 0.99; 95% CI, 0.83-1.18). There were no differences in secondary outcomes among the TXA group vs placebo group including mean (SD) number of RBC units transfused (0.9 [1.5] U vs 1.1 [1.8] U; P = .43), estimated blood loss (927 [733] mL vs 963 [624] mL; P = .52), intraoperative transfusion (28.3% [49 of 173] vs 24.0% [41 of 171]; P = .08), or venous thromboembolic events (3.5% [6 of 173] vs 2.9% [5 of 171]; P = .57). Non-transfusion-related adverse events were similar between groups.</p><p><strong>Conclusions and relevance: </strong>Results of this randomized clinical trial reveal that TXA did not reduce blood transfusion in patients undergoing open radical cystectomy for bladder cancer. Based on this trial, routine use of TXA during open radical cystectomy is not recommended.</p><p><strong>Trial registration: </strong>ClinicalTrials.gov Identifier: NCT01869413.</p>","PeriodicalId":14690,"journal":{"name":"JAMA surgery","volume":" ","pages":"1355-1363"},"PeriodicalIF":15.7,"publicationDate":"2024-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11447623/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142361524","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
JAMA surgeryPub Date : 2024-12-01DOI: 10.1001/jamasurg.2024.4282
Ju-Hee Lee, Jiyeong Kim, Ji Yoon Choi
{"title":"Extended Follow-Up in Patients With Gastric Cancer-Applicable to Western Patients?-Reply.","authors":"Ju-Hee Lee, Jiyeong Kim, Ji Yoon Choi","doi":"10.1001/jamasurg.2024.4282","DOIUrl":"10.1001/jamasurg.2024.4282","url":null,"abstract":"","PeriodicalId":14690,"journal":{"name":"JAMA surgery","volume":" ","pages":"1442-1443"},"PeriodicalIF":15.7,"publicationDate":"2024-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142390611","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}