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JAMA Surgery

@jamasurgery.com
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JAMA Surgery is a member of the JAMA Network, a consortium of peer-reviewed, general medical and specialty publications. 🌐 JAMASurgery.com

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JAMA Surgery @jamasurgery.com · 6m
Among injured patients, Black patients were less likely to receive some #PrehospitalCare interventions, and these disparities were not significantly explained by neighborhood social determinants of health. ja.ma/3ThUvl8
JAMA Surgery: Racial Disparities in Prehospital Interventions among Injured Patients. Black patients, and those in disadvantaged communities, receive fewer prehospital airway, intubation, and blood products. These interventions reduce mortality by 30-37%.
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JAMA Surgery @jamasurgery.com · 21h
For benign and low-grade #PancreaticHead tumors, enucleation was associated with more clinically relevant postoperative pancreatic fistula vs pancreatoduodenectomy, but fewer major complications and shorter hospitalization. ja.ma/3ThIZpT
JAMA Surgery study compares Enucleation vs Pancreatoduodenectomy for pancreatic head tumors. 217 matched pairs. Enucleation had higher CR-POPF (33.2% vs 10.6%) but lower major complications (8.8% vs 17.1%), shorter hospital stay (9d vs 15d), and better 36-month health status. Best for tumors <=2.5cm.
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JAMA Surgery @jamasurgery.com · 21h
In resectable #EsophagealCancer, robotic minimally invasive esophagectomy yielded more resected lymph nodes vs conventional minimally invasive esophagectomy, with similar postoperative complications and 1-year survival. ja.ma/4xXO2Kq
JAMA Surgery RCT comparing Robotic (RAMIE) vs Thoracolaparoscopic (MIE) Esophagectomy for Esophageal Cancer. 202 patients analyzed (181M, 21F, age 64.8). RAMIE yielded significantly more lymph nodes (median 36) than MIE (median 32), P=.005. Icons show surgical methods & human torso. 4 hospitals, 3 countries.
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JAMA Surgery @jamasurgery.com · 26/09/2026
In prospective hepatobiliary #LaparoscopicSurgery videos, automated skill scores aligned more closely with expert ratings than scores from resident and attending surgeons. ja.ma/4iPemlO
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AI-Driven Video-Based Surgical Skill Assessment in Hepatobiliary Laparoscopic Surgery
This quality improvement study evaluates the use of a video-based artificial intelligence framework that uses multi-instrument tracking and clinically informed spatiotemporal kinematic features to provide objective, granular assessment of laparoscopic cholecystectomy skill.
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JAMA Surgery @jamasurgery.com · 25/09/2026
In #AI-generated letters for surgical trainees, 4 large language models used more agentic descriptors for male-gendered vs female-gendered names based on the same curriculum vitae. ja.ma/3VLFNU4
Table 2. AI-generated LOR descriptions for gendered names. It shows LLMs (ChatGPT-5, Gemini, Llama-4, Claude) generating different language. Male LORs emphasize productivity, expertise, and technical skills, while female LORs often focus on potential, personal, and interpersonal skills.
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JAMA Surgery @jamasurgery.com · 25/09/2026
In private payer data, complex procedures in The Transforming Episode Accountability Model by @CMSGov were associated with more intensive care unit use, readmissions, and postacute care, but hospital payments often did not increase proportionally. ja.ma/4x5kDNL
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Operative Complexity and Surgical Episode Payments Among Private Payers
This cohort study analyzes the rate of paid claims for Transforming Episode Accountability Model procedures coded as having increased operative services and their associated payments to evaluate the need for operative complexity risk adjustment.
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JAMA Surgery @jamasurgery.com · 24/09/2026
Among surgical faculty at 10 US medical centers, 41.1% reported seriously considering leaving, most often associated with unhappiness with leadership or governance, lacking work-life balance, and burnout. ja.ma/47dOYz7
JAMA Surgery: Factors Associated with Surgical Faculty's Desire to Leave Jobs in the US. 41.1% report seriously considering leaving. Faculty at first job are more likely (47.2% vs 32.1%). Reasons for leaving include unhappy governance, poor work-life balance, burnout, and seeking new leadership. Source: Sarkissyan et al.
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JAMA Surgery @jamasurgery.com · 24/09/2026
Older age, elective surgery, open approach, and longer operative time were associated with greater likelihood of #Opioid prescribing at discharge in pediatric surgical care. ja.ma/3TgraHx
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Pediatric Opioid Prescribing at Discharge by Surgical Subspecialty
This cohort study examines postoperative opioid prescribing across pediatric surgical subspecialties and identifies the groups most likely to receive opioids after undergoing a surgical procedure.
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JAMA Surgery @jamasurgery.com · 23/09/2026
In academic #Surgery, about 4 in 10 faculty surveyed were considering leaving their current job. Departmental governance, work-life balance, and burnout were leading factors, discussed in the latest JAMA Surgery Author Interviews podcast. 🎧 Listen now: edhub.ama-assn.org/jn-learning/...
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JAMA Surgery @jamasurgery.com · 23/09/2026
In #TuboOvarianAbscess, transvaginal drainage did not establish noninferiority vs #laparoscopy for 6-week cure and required reintervention more often. ja.ma/4dwuGEC
JAMA Surgery infographic: RCT comparing transvaginal drainage (72.5% cure rate) vs laparoscopy (77.0% cure rate) for tubo-ovarian abscess in 201 women. Noninferiority of drainage to laparoscopy was not established. Includes medical procedure icons.
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JAMA Surgery @jamasurgery.com · 23/09/2026
Among women with #BRCA1 or #BRCA2 pathogenic variants, the projected benefit of bilateral salpingo-oophorectomy declined with age but remained present into older age. ja.ma/3To6iy5
Study of 5,713 BRCA carriers (30-80 yrs) on Bilateral Salpingo-Oophorectomy (BSO) benefits. Ovarian cancer risk increases with age for BRCA1/2. BSO's benefit decreases with age. Delayed BSO (30-50) yields 23.9% residual risk for BRCA1, 3.5% for BRCA2.
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JAMA Surgery @jamasurgery.com · 23/09/2026
In youths after sleeve gastrectomy, early reinitiation of obesity medication was associated with greater 12-month weight loss vs surgery alone, without higher postoperative morbidity. ja.ma/4qZ4ecf
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Early Reinitiation of Medication After Sleeve Gastrectomy in Youths
This cohort study explores changes in weight and eating behaviors following postoperative pharmacotherapy among pediatric bariatric patients.
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JAMA Surgery @jamasurgery.com · 22/09/2026
More than one-third of older adults at extreme risk for early mortality died within 48 hours of high-risk #EGS, highlighting a substantial rate of nonbeneficial surgery. ja.ma/4x7Qy00
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Nonbeneficial Emergency Surgery in Older Adults at Risk for Early Mortality
This cross-sectional study examines the incidence of and factors associated with early mortality among older adults undergoing emergency general surgery as a marker of nonbeneficial surgery.
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JAMA Surgery @jamasurgery.com · 21/09/2026
Compared with nonoperative management, surgical stabilization of rib fractures was associated with lower risk of pulmonary complications, even when performed >3 days after blunt chest trauma. ja.ma/4zUX7G1
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Benefits of Surgical Stabilization of Rib Fractures and Delayed Operation
This cohort study compares respiratory outcomes of early, intermediate, and late surgical stabilization of rib fractures vs nonoperative management among patients with blunt chest trauma.
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JAMA Surgery @jamasurgery.com · 20/09/2026
#WholeBlood transfusion delivers red cells, plasma, and platelets in physiologic proportions and may reduce transfusion burden and improve early outcomes in trauma, but definitive guidance awaits adequately powered randomized trials. ja.ma/4qWhZZj
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Whole-Blood Transfusion From Empiricism to Evidence
This narrative review discusses the historic and modern roles of whole blood vs component therapy in early hemostatic resuscitation, describing evidence from military, civilian, and prehospital literature that supports a whole-blood strategy.
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JAMA Surgery @jamasurgery.com · 19/09/2026
Among patients with #PrimaryHyperparathyroidism without baseline end-organ damage, 32% developed osteoporosis, kidney stones, fractures, or chronic kidney disease during follow-up, indicating progression under usual care. ja.ma/3VeFjpe
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End-Organ Damage Associated With Primary Hyperparathyroidism
This cohort study examines electronic health record data for patients with primary hyperparathyroidism who are receiving usual care to evaluate the frequency and timing of skeletal and kidney end-organ damage.
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JAMA Surgery @jamasurgery.com · 18/09/2026
In patients receiving massive #transfusion, survival differed by exposure to ABO nonidentical blood components, with poorer outcomes observed when larger numbers of ABO-mismatched transfusions were given. ja.ma/4xuYzfJ
Table 2: Survival outcomes for patients receiving ABO identical vs. nonidentical RBC or component transfusions. It details 24-hour and hospital mortality rates across different unit ranges. Nonidentical transfusions show higher 24-hour mortality for increased units, e.g., 6-20 RBCs (77% vs 30% for identical).
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JAMA Surgery @jamasurgery.com · 18/09/2026
During laparoscopic cholecystectomy, #IndocyanineGreen fluorescent cholangiography was associated with lower rates of #BileDuctInjury, biliary intervention, conversion to open surgery, and 30-day nonbiliary complications. ja.ma/4qXEaOQ
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Indocyanine Green Fluorescent Cholangiography and Bile Duct Injury
This cohort study examines data from a large multicenter dataset to evaluate the association between intraoperative use of indocyanine green and common bile duct injury among patients who had laparoscopic cholecystectomy.
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JAMA Surgery @jamasurgery.com · 17/09/2026
Congratulations to JAMA Surgery Editor in Chief Melina Kibbe, MD, who was invested today as the seventh president, and the first woman president, of @uthealthhouston.bsky.social. Additionally, the city of Houston named September 17, 2026, as Melina Kibbe Day.
A smiling woman in black academic regalia with a green hood and ornate gold chain/medallion stands next to a man in regalia holding a ceremonial mace topped with an eagle and university seal. Other robed figures and guests applaud in the background at a formal ceremony.Blue stage backdrop: "INVESTITURE OF MELINA R. KIBBE, MD AS THE SEVENTH PRESIDENT OF UTHEALTH HOUSTON", "#UTHealth Houston", and UT seal. Below, rows of chairs, a gold chain of office, framed document, and ceremonial staff are displayed.
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JAMA Surgery @jamasurgery.com · 17/09/2026
🩺 #PigtailCatheters are used as first-line treatment for pneumothorax and a range of pleural effusions. This Review summarizes indications, Seldinger technique insertion, daily management, removal, and complications. ja.ma/3TBr4KK
Illustrations show alternative patient positions for pigtail catheter placement. A) Orthopneic, B) Supine, C) Lateral Decubitus. Each shows a patient with labeled anatomy (scapula, pectoralis major, latissimus dorsi, intercostal spaces, axillary lines, triangle of safety) indicating catheter insertion sites.
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JAMA Surgery @jamasurgery.com · 17/09/2026
📊 Spanish-speaking injured patients received less #TraumaInformedCare communication and were less likely to receive a complete examination than English-speaking patients, highlighting an equity gap in trauma resuscitation. ja.ma/4xmDG6s
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JAMA Surgery @jamasurgery.com · 17/09/2026
Perioperative FLOT chemotherapy was linked to better survival and lower recurrence risk than CROSS chemoradiotherapy among esophageal adenocarcinoma patients achieving #pCR. ja.ma/4hcASDZ
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FLOT vs CROSS in Esophageal Adenocarcinoma
This cohort study evaluates survival outcomes following FLOT chemotherapy vs CROSS chemoradiotherapy in patients with esophageal adenocarcinoma achieving pathological complete response.
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JAMA Surgery @jamasurgery.com · 16/09/2026
💬 Editorial: In rare surgical adverse event studies, confounding, sparse outcomes, and clustering can distort associations. #Cholecystectomy research on #intraoperativecholangiography shows that analyses must account for rare events and clustering. ja.ma/4rnO2le
JAMA Surgery editorial titled "Confounding, Sparseness, and Clustering in Surgical Research" by Jason Haukoos, MD, MSc, and Roger J. Lewis, MD, PhD. Published Online: September 16, 2026.
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JAMA Surgery @jamasurgery.com · 16/09/2026
📊 Among patients undergoing minimally invasive #Cholecystectomy, #RoboticSurgery was associated with fewer adverse outcomes than #Laparoscopy in high-risk cases. A preoperative risk calculator may help match operative approach to patient risk. ja.ma/3Vzl2uH
JAMA Surgery: Comparative Analysis of Robotic & Laparoscopic Cholecystectomy (2020-21). Robotic surgery reduced adverse outcomes in high-risk adult patients but increased total cost due to supply. Icons show robotic arm & laparoscopic tools.
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JAMA Surgery @jamasurgery.com · 16/09/2026
Robotic-assisted #cholecystectomy for complex cases reduced postoperative interventions and complications, with no increase in overall health care cost compared to laparoscopy. ja.ma/4gBjUPw
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Robotic vs Laparoscopic Approach for Complex Elective Cholecystectomy
This cohort study analyzes data for patients undergoing complex elective cholecystectomy to consider whether a robotic approach is associated with improved clinical outcomes and altered total hospital cost as compared with a laparoscopic approach.
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JAMA Surgery @jamasurgery.com · 15/09/2026
In 2022, the mean cost of #OperatingRoom time in California hospitals was $57.71 per minute, while mean charges were $295 and mean revenue was $66 per minute, establishing updated benchmarks for surgical cost analyses. ja.ma/4gG7jKQ
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Costs, Charges, and Revenue of Hospital Operating Rooms in California
This cross-sectional study estimates the cost of 1 minute of operating room time in in California hospitals for fiscal years 2014 to 2022 and assesses trends for costs, charges, and revenue by hospital ownership and teaching status.
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JAMA Surgery @jamasurgery.com · 14/09/2026
📝 #Review from @jama.com: #Idiopathic normal pressure hydrocephalus is a progressive neurologic disorder in older adults associated with gait impairment and often urinary dysfunction and cognitive decline. 🔗 Learn more: ja.ma/3Tuhut6
Diagram illustrating Idiopathic Normal Pressure Hydrocephalus (iNPH) pathophysiology from JAMA. It details mechanisms like altered CSF dynamics, increased pulsatility, elevated venous pressure reducing CSF drainage, and CSF accumulation causing ventriculomegaly and brain compression.
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JAMA Surgery @jamasurgery.com · 14/09/2026
For patients with locally advanced #PancreaticCancer, ablative #RadiationTherapy before surgical evaluation was not associated with excess 90-day postsurgical mortality and may help preserve local treatment options when resection is not feasible. ja.ma/46H3pLP
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MAIBE for Patients With Locally Advanced Pancreatic Cancer
This nonrandomized clinical trial evaluates maximal ablative irradiation because of encasement in patients with locally advanced pancreatic cancer.
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JAMA Surgery @jamasurgery.com · 13/09/2026
Perioperative toripalimab plus chemotherapy improved tumor and lymph node downstaging and event-free survival in resectable stage III #NSCLC without increasing perioperative complications. ja.ma/4iPepy0
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Surgical Outcomes of Perioperative Toripalimab in Stage III Resectable Non–Small Cell Lung Cancer
This study evaluates perioperative toripalimab in combination with chemotherapy on surgical outcomes.
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JAMA Surgery @jamasurgery.com · 12/09/2026
A recent review in JAMA Surgery examines the compensation models shaping surgeon productivity, quality, and nonclinical work. 📖Read the full article to learn more: ja.ma/4gxB0ha
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JAMA Surgery @jamasurgery.com · 12/09/2026
Single-encounter #AugmentedReality localization was noninferior to CT-guided localization for #LungCancer resection and was associated with reduced radiation, lower pain, and shorter workflow times. ja.ma/4hdC9dW
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Augmented Reality–Guided Sublobar Lung Resection
This randomized clinical trial evaluates the use of a single-encounter augmented reality–guided percutaneous localization strategy against standard multiple-encounter computed tomography–guided localization for achieving successful sublobar resection.
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JAMA Surgery @jamasurgery.com · 11/09/2026
Among postmenopausal women with hormone receptor–positive #DCIS treated with lumpectomy, whole-breast irradiation, and endocrine therapy, ipsilateral recurrence rates were low and similar across surgical margin widths <1 mm, <2 mm, or wider. ja.ma/4qUIRJ4
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Lumpectomy Margins and Local Recurrence in DCIS
This study investigates the effect of lumpectomy margin width on local recurrence rates in a randomized trial of adjuvant endocrine therapy in postmenopausal women with hormone receptor–positive ductal carcinoma in situ who received whole-breast irradiation and surgery.
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JAMA Surgery @jamasurgery.com · 10/09/2026
💬 Viewpoint: #RoboticSurgery may be reducing routine #Laparoscopy exposure, creating a patient safety risk when surgeons must revert to conventional minimally invasive surgery because robotic systems are unavailable. ja.ma/4zZMba3
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Laparoscopic Deskilling
This Viewpoint reflects on a decay in surgical skill related to falling laparoscopic case volumes and describes strategies to preserve laparoscopic proficiency amid the rapid adoption of robotic platforms.
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JAMA Surgery @jamasurgery.com · 09/09/2026
In fee-for-service #Medicare, declining #BariatricSurgery use indicates that broader obesity treatment access, including surgery and medication, remains important as coverage evolves. ja.ma/4r0Dubt
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JAMA Surgery @jamasurgery.com · 09/09/2026
Among high-risk patients undergoing #Hepatobiliary surgery, prophylactic synthetic mesh during subcostal closure reduced #IncisionalHernia risk vs conventional closure without increasing postoperative complications. ja.ma/4A0vYS5
Table 3: Incisional hernia (IH) rates for Mesh vs. No Mesh groups at 12 & 24 months. No Mesh had higher IH rates than Mesh at both follow-ups. E.g., at 12 months, global radiological IH was 21% (No Mesh) vs 5.2% (Mesh) with P=.01, & clinical IH 10% vs 1.7% (P=.02).
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JAMA Surgery @jamasurgery.com · 07/09/2026
Among patients undergoing wide excision for #Melanoma, compliance with new Commission on Cancer surgical documentation guidelines improved in 2023, including margin size, excision depth, and use of Commission on Cancer forms. ja.ma/4xIj8pO
Table 2: Multivariable Logistic Regression for Overall Compliance. Factors with significant P values include using a CoC form (Yes: OR 2.91), T stage (T2: OR 2.14; T3/T4: OR 0.58), Primary site (Head/neck: OR 0.31), and several specialties.
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JAMA Surgery @jamasurgery.com · 07/09/2026
Among patients undergoing open rectal resection for #RectalCancer, a powdered #ChondroitinSulfate adhesion barrier system reduced postoperative adhesion incidence, severity, and extent vs no additional procedure. ja.ma/46eV3Lk
JAMA Surgery RCT: Novel anti-adhesion system significantly reduced adhesions in open rectal resection. 118 adults (mean age 68) with rectal cancer participated. Control group had ~95% adhesions, experimental group (with SI-449) had ~40% (P<.001). Conducted in 53 hospitals in Japan.
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JAMA Surgery @jamasurgery.com · 07/09/2026
Among postoperative wound photographs, #ArtificialIntelligence detected images suggestive of #SurgicalSiteInfection and showed clinical utility, with potential to support earlier review and triage after discharge. ja.ma/4r0EqfY
Two graphs display model performance over 10 epochs. Graph A, 'Loss', shows training and validation AUC values decreasing from approx. 0.095 to 0.04. Training loss generally drops lower than validation. Graph B, 'Accuracy', shows training and validation AUC rising from approx. 0.7 to 0.9. Training accuracy typically surpasses validation.
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JAMA Surgery @jamasurgery.com · 06/09/2026
A statewide Wisconsin quality improvement initiative was associated with sustained reductions in 60-day margin re-excisions after breast-conserving surgery for women with #BreastCancer, supporting more durable use of guideline-concordant surgical care. ja.ma/4xchV9h
Two line graphs show 60-day re-excision rates after breast-conserving surgery (2017-2024) in Wisconsin women by SCW participation. Graph A: Participating hospitals generally have lower rates than non-participating. Graph B: Rates are lowest with both hospital and surgeon participation.
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JAMA Surgery @jamasurgery.com · 06/09/2026
In a national survey of US surgeons, workload was high and most respondents reported that it was too much, with perceived burden associated with workload, years in practice, gender, and subspecialty. ja.ma/4iMD6er
Decision tree showing predictors of perceived burden. It begins with 'Years in practice' (0-29 or ≥30), then branches by 'Cumulative workload.' Further splits occur by 'Subspecialty' or 'Gender,' leading to outcomes of 'Too much,' 'Just right,' or 'Not enough' perceived burden percentages.
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JAMA Surgery @jamasurgery.com · 06/09/2026
In #PancreaticCancer, a circulating exosomal microRNA–based machine learning model identified occult early liver metastasis before surgery and may support biology-guided treatment sequencing. ja.ma/3STIhPk
Figure 5: Forest plots & a decision curve for an exosomal MicroRNA detection model. Plots A & B show univariable & multivariable odds ratios for clinical variables (e.g., CA19-9, stages) & panel score. Plot C displays net benefit for model comparisons.
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JAMA Surgery @jamasurgery.com · 06/09/2026
💬 Viewpoint: In hemorrhagic shock, blood-based resuscitation may better reflect the physiology of blood loss than crystalloid-heavy resuscitation and remains the preferred strategy in contemporary trauma care. ja.ma/4qZU8rR
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Blood or Crystalloids in Hemorrhagic Shock
This Viewpoint evaluates the Agency for Healthcare Research and Quality report on prehospital blood transfusion and fluid interventions for hemorrhagic shock and argues that its claims of scientific equipoise stem from methodologic challenges instead of clinical equivalence of blood transfusion and...
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JAMA Surgery @jamasurgery.com · 06/09/2026
Among patients with resectable and borderline-resectable #PancreaticCancer treated with neoadjuvant chemotherapy, adding #Radiotherapy was associated with improved pathologic response, but was not associated with improved overall survival. ja.ma/4r5fTXe
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Neoadjuvant Chemotherapy and Radiotherapy in Pancreatic Cancer
This cohort study investigates if the addition of radiotherapy to neoadjuvant chemotherapy, compared with neoadjuvant chemotherapy alone, is associated with an improvement in oncologic outcomes in patients undergoing resection for pancreatic cancer.
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JAMA Surgery @jamasurgery.com · 06/09/2026
Among patients in #PediatricUrology undergoing complex lower urinary tract reconstruction, #EnhancedRecoveryAfterSurgery was associated with shorter length of stay, lower postoperative opioid use, and fewer complications vs historical care. ja.ma/4qX0bNv
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Enhanced Recovery After Surgery in Pediatric Urology Patients Undergoing Complex Lower Urinary Tract Reconstruction
This study attempted to achieve 70% or more enhanced recovery after surgery adherence while reducing length of stay and opioid use without an increase in complications or other balancing measures.
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JAMA Surgery @jamasurgery.com · 30/08/2026
Single-stage laparoscopic common bile duct exploration (#LCBDE) reduced costs and length of stay vs ERCP plus cholecystectomy, with improved net margin in #choledocholithiasis care. ja.ma/4xL2XaX
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Financial Comparison of Single- vs 2-Stage Management of Bile Duct Stones
This economic evaluation assesses the costs, reimbursements, and estimated net operating margin of single- and 2-stage strategies for managing bile duct stone clearance to compare the financial outcomes of both strategies.
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JAMA Surgery @jamasurgery.com · 28/08/2026
Same-admission #cholecystectomy for acute gallstone-related #pancreatitis was associated with the lowest recurrence risk and lowest rate of gallstone complications compared to ERCP or no intervention. ja.ma/4xMpIv1
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Cholecystectomy vs ERCP or No Intervention After Gallstone-Related Acute Pancreatitis
This study compares cholecystectomy, endoscopic retrograde cholangiopancreatography only, and no intervention in relation to recurrent acute pancreatitis and other gallstone-related complications, accounting for death as a competing event.
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JAMA Surgery @jamasurgery.com · 27/08/2026
A simplified binary field triage system demonstrated high sensitivity with low undertriage for major trauma in combat settings, supporting use of judgment-based approaches in military #TraumaCare. ja.ma/4co8BYk
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Simplified Binary Triage in Military Trauma
This cohort study investigates how accurately a simplified judgment-based binary field triage system can identify severely injured trauma casualties during combat operations.
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JAMA Surgery @jamasurgery.com · 26/08/2026
Patients with #MultipleSclerosis who underwent cardiovascular surgery had no increased in-hospital mortality or complications vs matched controls, but routine home discharge was less common. ja.ma/4xbVnqa
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Outcomes of Cardiovascular Surgery in Patients With Multiple Sclerosis
This cross-sectional study examines nationwide morbidity and mortality outcomes of cardiovascular surgery in patients with multiple sclerosis in the US.
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JAMA Surgery @jamasurgery.com · 25/08/2026
DUPAN-2 was an effective surrogate biomarker for monitoring treatment response in patients with #PancreaticCancer who are carbohydrate antigen 19-9 nonexpressors, and normal levels were associated with improved outcomes. ja.ma/3U6ZepE
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DUPAN-2 for Monitoring CA 19-9 Nonexpressor Pancreatic Cancer
This cohort study evaluates the use of Duke pancreatic monoclonal antigen type 2 as a biomarker for treatment response in patients with CA 19-9 nonexpresesor pancreatic cancer.
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JAMA Surgery @jamasurgery.com · 24/08/2026
Patients operated on by surgeons with social jet lag of ≥2 hours in the preceding month had a greater risk of major adverse events, independent of sleep duration or night shift frequency. Promoting regular sleep timing may improve patient safety. ja.ma/4xgrvJ5
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Surgeon Social Jet Lag and Patient Risk of Major Adverse Events
This cohort study investigates the association between surgeon sleep timing regularity and patient outcomes.
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