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 Showing 81-99 of 99 Articles
Invited Commentary 
Peyman Benharash, MD; William Toppen, MD

Is less really more? The answer appears complicated in the case of ruptured abdominal aortic aneurysms (rAAAs). Over the last 40 years, the mortality rate among patients who underwent surgical repair for this ominous disease has remained at 40% to 50%,1 a staggering figure given advances in ...

Invited Commentary 
Anita P. Courcoulas, MD, MPH

It is unclear whether current studies will address critical questions about the long-term outcomes of bariatric surgery, including the sustainability of weight loss and comorbidity control and long-term complication rates.1 These critical gaps in knowledge pose a significant problem for people considering a potential surgical option to ...

Invited Commentary 
Sharon M. Weber, MD; Gregory D. Kennedy, MD, PhD

One of the principles of the Six Sigma methodology is variation reduction. Since the publication of the Institute of Medicine’s monograph, “To Err is Human: Building a Safer Health System,”1 health care systems and the Centers for Medicare and Medicaid Services have been interested in reducing variation ...

JAMA Surgery Clinical Challenge 
Antonio Navarro-Sánchez, MD; Hutan Ashrafian, MRCS; Alberto Martínez-Isla, FRCS

A 57-year-old woman presented with symptoms consistent with mild gallstone pancreatitis and medical history of recurrent biliary colic. What is your diagnosis?

Research Letter 
Marta Yanina Pepino, PhD; Adewole L. Okunade, PhD; J. Christopher Eagon, MD; Bruce D. Bartholow, PhD; Kathleen Bucholz, PhD, MPH, MPE; Samuel Klein, MD

This study evaluates the effect of Roux-en-Y gastric bypass on the pharmacokinetics and subjective effects of ingested alcohol, using arterialized blood samples and a validated questionnaire.

Comment & Response 
Meredith C. Foster, ScD, MPH; Narittaya Varothai, MD; Daniel E. Weiner, MD, MS

To the Editor Using data collected over 25 years from the United Network for Organ Sharing database, Rana and colleagues1 recently reported in JAMA Surgery that more than 2 million life-years were saved by solid-organ transplant. In their seminal article on the survival benefits of kidney transplant, ...

Comment & Response 
Abbas Rana, MD; Angelika Gruessner, PhD; Rainer W. G. Gruessner, MD

In Reply Foster et al make the point that our analysis “should not be used in clinical practice to frame the potential benefits of solid-organ transplant.” We agree entirely. It is not an analysis that determines the survival benefit for an individual patient in the current era. Instead, ...

Original Investigation 
Gaya Spolverato, MD; Yuhree Kim, MD, MPH; Aslam Ejaz, MD, MPH; Steven M. Frank, MD; Timothy M. Pawlik, MD, MPH, PhD
Includes: Supplemental Content

Importance  Delta hemoglobin (ΔHb), defined as the difference between the preoperative hemoglobin (Hb) level and the nadir Hb level during a patient’s hospitalization, may be associated with adverse outcomes even if the absolute level of Hb remains greater than the transfusion threshold of 7 g/dL.

Objective  ...

Invited Commentary: Determining When Patients Need Transfusions; Samuel A. Tisherman, MD
Invited Commentary 
Samuel A. Tisherman, MD

Blood transfusions save lives but carry risks, including immunosuppression, infections, and transfusion reactions. For stable patients, a restrictive transfusion strategy (transfusions for a hemoglobin [Hb] level of <7 g/dL [to convert to grams per liter, multiply by 10.0]) is safe, possibly beneficial, and saves money.13...

Luke M. Funk, MD, MPH; Sally Jolles, MA; Laura E. Fischer, MD, MS; Corrine I. Voils, PhD
Includes: Supplemental Content

Importance  Although bariatric surgery is the most cost-effective treatment for severe obesity, less than 1% of severely obese patients undergo it. Reasons for this low use are unclear.

Objectives  To identify patient and referring practitioner characteristics associated with the likelihood of undergoing bariatric surgery.

Evidence Review...

Original Investigation 
Aaron J. Dawes, MD; Greg D. Sacks, MD, MPH; H. Gill Cryer, MD, PhD; J. Peter Gruen, MD; Christy Preston, RN; Deidre Gorospe, RN; Marilyn Cohen, RN; David L. McArthur, PhD, MPH; Marcia M. Russell, MD; Melinda Maggard-Gibbons, MD, MSHS; Clifford Y. Ko, MD, MS, MSHS; for the Los Angeles County Trauma Consortium
Includes: Supplemental Content

Importance  Compliance with evidence-based guidelines in traumatic brain injury (TBI) has been proposed as a marker of hospital quality. However, the association between hospital-level compliance rates and risk-adjusted clinical outcomes for patients with TBI remains poorly understood.

Objective  To examine whether hospital-level compliance with the Brain ...

Invited Commentary: Determining Outcomes After Traumatic Brain Injury; Martin A. Schreiber, MD
Original Investigation 
Jesse D. Pasternak, MD; Carolyn D. Seib, MD, MSc; Natalie Seiser, MD, PhD; J. Blake Tyrell, MD; Chienying Liu, MD; Robin M. Cisco, MD; Jessica E. Gosnell, MD; Wen T. Shen, MD, MA; Insoo Suh, MD; Quan-Yang Duh, MD

Importance  Adrenal incidentalomas are found in 1% to 5% of abdominal cross-sectional imaging studies. Although the workup and management of unilateral lesions are well established, limited information exists for bilateral incidentalomas.

Objective  To compare the natural history of patients having bilateral incidentalomas with those having unilateral ...

Invited Commentary: Nonoperative Management of Bilateral Adrenal Incidentalomas; Linwah Yip, MD; Sally E. Carty, MD
Invited Commentary 
Martin A. Schreiber, MD

Dawes and colleagues1 have evaluated the relationship between compliance with the Brain Trauma Foundation guidelines and outcomes in patients with traumatic brain injury (TBI) in a consortium of 14 hospitals in Los Angeles County. They found wide variance in compliance within the consortium and no association between ...

Invited Commentary 
Linwah Yip, MD; Sally E. Carty, MD

Incidentally identified adrenal nodules are seen bilaterally in as many as 17% of patients as reported in Pasternak et al.1 The management of patients with bilateral incidentalomas presents a clinical challenge and is optimized with a multidisciplinary and experienced approach that is highlighted beautifully in this high-volume ...

Original Investigation 
Trit Garg, BA; Laurence C. Baker, PhD; Matthew W. Mell, MD, MS

Importance  The Society for Vascular Surgery recommends annual surveillance with computed tomography (CT) or ultrasonography after endovascular aortic aneurysm repair (EVAR) for abdominal aortic aneurysms. However, such lifelong surveillance may be unnecessary for most patients, thereby contributing to overuse of imaging services.

Objective  To investigate whether ...

Invited Commentary: Follow-up Surveillance After Endovascular Aneurysm Repair; Andrew W. Hoel, MD; Andres Schanzer, MD
Invited Commentary 
Andrew W. Hoel, MD; Andres Schanzer, MD

In disease surveillance, a tension exists between adequate detection of disease progression and the risk for overdiagnosis and unnecessary use of resources. The goal of imaging surveillance after endovascular aneurysm repair (EVAR) can be stated simply: early detection of asymptomatic problems to avoid potentially severe consequences (ie, post-EVAR ...

Original Investigation 
Anita P. Courcoulas, MD, MPH; Steven H. Belle, PhD, MScHyg; Rebecca H. Neiberg, MS; Sheila K. Pierson, BS, BA; Jessie K Eagleton, MPH; Melissa A. Kalarchian, PhD; James P. DeLany, PhD; Wei Lang, PhD; John M. Jakicic, PhD
Includes: Supplemental Content

Importance  Questions remain about the role and durability of bariatric surgery for type 2 diabetes mellitus (T2DM).

Objective  To compare the remission of T2DM following surgical and nonsurgical treatments.

Design, Setting, and Participants  In this 3-arm randomized clinical trial conducted at the University of Pittsburgh ...

Invited Commentary: Bariatric Surgery vs Lifestyle Intervention for Type 2 Diabetes Mellitus; Michel Gagner, MD, FRCSC, FASMBS
Invited Commentary 
Michel Gagner, MD, FRCSC, FASMBS

I read with interest the article by Courcoulas et al1 in which outcomes were assessed 3 years after treating obese patients with type 2 diabetes mellitus (T2DM) who were randomized to an intensive lifestyle weight loss intervention for 1 year followed by a lower-level lifestyle weight loss ...

Reviewers List  FREE
Julie Ann Freischlag, MD

The editors and editorial board of JAMA Surgery would like to acknowledge and express appreciation to those individuals who served as peer reviewers in 2012. Their invaluable service helps us maintain the quality of the articles we publish. Those reviewers listed below with an asterisk reviewed manuscripts for ...

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