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Ranjan Sudan

Professor of Surgery
Surgery, Minimally Invasive Surgery
407 Crutchfield Street, Durham, NC 27704
407 Crutchfield Street, Durham, NC 27704

Selected Publications


The Blue Ribbon Committee II Report and Recommendations on Surgical Education and Training in the United States: 2024.

Journal Article Ann Surg · October 1, 2024 OBJECTIVE: An expert panel made recommendations to optimize surgical education and training based on the effects of contemporary challenges. BACKGROUND: The inaugural Blue Ribbon Committee (BRC I) proposed sweeping recommendations for surgical education an ... Full text Link to item Cite

Surgery Clerkship Directors' Perceptions of the COVID-19 Pandemic's Impact on Medical Student Education.

Journal Article J Am Coll Surg · May 1, 2024 BACKGROUND: This study assessed the national impact of the coronavirus disease 2019 (COVID-19) pandemic on the education of medical students assigned to surgery clerkship rotations, as reported by surgery clerkship directors (CDs). STUDY DESIGN: In the spr ... Full text Link to item Cite

At the Intersection of Intersectionality: Race and Gender Diversity Among Surgical Faculty and Trainees.

Journal Article Ann Surg · January 1, 2024 OBJECTIVE: To compare the representation of intersectional (ie, racial/ethnic and gender) identities among surgical faculty versus medical students. BACKGROUND: Health disparities are pervasive in medicine, but diverse physicians may help the medical profe ... Full text Link to item Cite

Surgery and Surgical Training Prior to Graduate Medical Education: A Blue Ribbon Committee II, Medical Student Education Subcommittee Report

Journal Article Annals of Surgery · January 1, 2024 Objective: To update and add to the first report commissioned by the Blue Ribbon Committee about 20 years prior. Summary of Background Data: Following a summit in late 2022 commissioned by the American Board of Surgery regarding competency-based reforms in ... Full text Cite

Moving the needle for laparoscopic common bile duct exploration: defining obstacles for the path forward

Journal Article Surgical Endoscopy · January 1, 2024 Introduction: Laparoscopic cholecystectomy is performed very commonly but laparoscopic common bile duct exploration (LCBDE) is performed infrequently. We aimed to determine the most significant barriers to performing LCBDE and to identify the highest yield ... Full text Cite

Racial, Ethnic, and Gender Diversity Among Academic Surgical Leaders in the US.

Journal Article JAMA Surg · December 1, 2023 IMPORTANCE: Surgical department chairs remain conspicuously nondiverse despite the recognized importance of diverse physician workforces. However, the extent of diversity among non-chair leadership remains underexplored. OBJECTIVE: To evaluate racial, ethn ... Full text Link to item Cite

Leadership and Impostor Syndrome in Surgery.

Journal Article J Am Coll Surg · October 1, 2023 BACKGROUND: Impostor syndrome is an internalized sense of incompetence and not belonging. We examined associations between impostor syndrome and holding leadership positions in medicine. STUDY DESIGN: A cross-sectional survey was distributed to US physicia ... Full text Link to item Cite

Survey Study of Clerkship Curriculum on Learner's Choice to Pursue Surgery: Positive Impact of Extracurricular Opportunities.

Journal Article J Surg Educ · September 2023 OBJECTIVE: Prior studies have focused on the role of the learning environment on students' decisions to pursue surgery, but few have analyzed the impact of the clerkship curriculum. This study assessed surgical clerkship curricula across United States (US) ... Full text Link to item Cite

Gastroparesis: an evidence-based review for the bariatric and foregut surgeon.

Journal Article Surgery for obesity and related diseases : official journal of the American Society for Bariatric Surgery · May 2023 Gastroparesis is a gastric motility disorder characterized by delayed gastric emptying. It is a rare disease and difficult to treat effectively; management is a dilemma for gastroenterologists and surgeons alike. We conducted a systematic review of the lit ... Full text Cite

Robotic Bariatric Surgery: An Update

Journal Article Current Surgery Reports · April 1, 2023 Purpose of Review: This article will provide a review of the most recent literature regarding the use of robotics in bariatric surgery. Recent Findings: The use of robotics in bariatric surgery, while still debated, is on the rise. The appeal of this platf ... Full text Cite

Robotic-Assisted Bariatric Surgery

Chapter · January 1, 2023 Intuitive Surgical, Inc., United States of America obtained the Food and Drug Administration approval in 2000 and introduced the da Vinci™ robot system in the United States providing an alternative platform for performing minimally invasive surgery. The sy ... Full text Cite

American College of Surgeons Objective Assessment of Skills in Surgery (ACS OASIS): A Formative Assessment of Junior Residents' Technical Skills.

Journal Article J Surg Educ · 2022 OBJECTIVE: The objective assessment of technical skills of junior residents is essential in implementing competency-based training and providing specific feedback regarding areas for improvement. An innovative assessment that can be easily implemented by t ... Full text Link to item Cite

Trends in Racial, Ethnic, and Sex Representation Among Surgical Faculty Members and Medical Students in the US, 2011-2020.

Journal Article JAMA Surg · December 1, 2021 This cohort study uses existing data on race, ethnicity, and sex among US surgical faculty members and medical students to identify changes between 2011 and 2020. ... Full text Link to item Cite

Technical Feasibility, Outcomes, and Patient Satisfaction After Needlescopic and Laparoscopic Bariatric Surgery: a Randomized Study.

Journal Article Obes Surg · November 2021 BACKGROUND: Needlescopic instruments create a 3-mm incision and may result in less pain and superior cosmesis. There is limited understanding of the effectiveness of needlescopic instruments in patients with a body mass index (BMI) > 35 kg/m2. We report pe ... Full text Link to item Cite

Assessment and management of gastroesophageal reflux disease following bariatric surgery.

Journal Article Surg Obes Relat Dis · November 2021 Gastroesophageal reflux disease (GERD) is a common disease in patients with obesity. The incidence of de novo GERD and the effect of bariatric surgery on patients with pre-existing GERD remain controversial. Management of GERD following bariatric surgery i ... Full text Link to item Cite

Glycemic Control Predicts Severity of Hepatocyte Ballooning and Hepatic Fibrosis in Nonalcoholic Fatty Liver Disease.

Journal Article Hepatology · September 2021 BACKGROUND AND AIMS: Whether glycemic control, as opposed to diabetes status, is associated with the severity of NAFLD is open for study. We aimed to evaluate whether degree of glycemic control in the years preceding liver biopsy predicts the histological ... Full text Open Access Link to item Cite

Robot-assisted biliopancreatic diversion with duodenal switch

Chapter · April 25, 2021 Biliopancreatic diversion with duodenal switch is considered a technically more demanding bariatric operation. We endeavor to demystify this procedure by reviewing the technical points of the operation. In addition, we will discuss the history and evolutio ... Full text Cite

Gastroesophageal Reflux Predicts Utilization of Dehydration Treatments After Bariatric Surgery.

Journal Article Obes Surg · February 2021 BACKGROUND: Dehydration treatments (DT) provide intravenous fluids to patients in the outpatient setting; however, the utilization of DT is not well-described. We characterize the cohort receiving DT, the first year it was recorded in a bariatric-specific ... Full text Open Access Link to item Cite

The Blue Ribbon Committee II Report and Recommendations on Surgical Education and Training in the United States: 2024.

Journal Article Ann Surg · October 1, 2024 OBJECTIVE: An expert panel made recommendations to optimize surgical education and training based on the effects of contemporary challenges. BACKGROUND: The inaugural Blue Ribbon Committee (BRC I) proposed sweeping recommendations for surgical education an ... Full text Link to item Cite

Surgery Clerkship Directors' Perceptions of the COVID-19 Pandemic's Impact on Medical Student Education.

Journal Article J Am Coll Surg · May 1, 2024 BACKGROUND: This study assessed the national impact of the coronavirus disease 2019 (COVID-19) pandemic on the education of medical students assigned to surgery clerkship rotations, as reported by surgery clerkship directors (CDs). STUDY DESIGN: In the spr ... Full text Link to item Cite

At the Intersection of Intersectionality: Race and Gender Diversity Among Surgical Faculty and Trainees.

Journal Article Ann Surg · January 1, 2024 OBJECTIVE: To compare the representation of intersectional (ie, racial/ethnic and gender) identities among surgical faculty versus medical students. BACKGROUND: Health disparities are pervasive in medicine, but diverse physicians may help the medical profe ... Full text Link to item Cite

Surgery and Surgical Training Prior to Graduate Medical Education: A Blue Ribbon Committee II, Medical Student Education Subcommittee Report

Journal Article Annals of Surgery · January 1, 2024 Objective: To update and add to the first report commissioned by the Blue Ribbon Committee about 20 years prior. Summary of Background Data: Following a summit in late 2022 commissioned by the American Board of Surgery regarding competency-based reforms in ... Full text Cite

Moving the needle for laparoscopic common bile duct exploration: defining obstacles for the path forward

Journal Article Surgical Endoscopy · January 1, 2024 Introduction: Laparoscopic cholecystectomy is performed very commonly but laparoscopic common bile duct exploration (LCBDE) is performed infrequently. We aimed to determine the most significant barriers to performing LCBDE and to identify the highest yield ... Full text Cite

Racial, Ethnic, and Gender Diversity Among Academic Surgical Leaders in the US.

Journal Article JAMA Surg · December 1, 2023 IMPORTANCE: Surgical department chairs remain conspicuously nondiverse despite the recognized importance of diverse physician workforces. However, the extent of diversity among non-chair leadership remains underexplored. OBJECTIVE: To evaluate racial, ethn ... Full text Link to item Cite

Leadership and Impostor Syndrome in Surgery.

Journal Article J Am Coll Surg · October 1, 2023 BACKGROUND: Impostor syndrome is an internalized sense of incompetence and not belonging. We examined associations between impostor syndrome and holding leadership positions in medicine. STUDY DESIGN: A cross-sectional survey was distributed to US physicia ... Full text Link to item Cite

Survey Study of Clerkship Curriculum on Learner's Choice to Pursue Surgery: Positive Impact of Extracurricular Opportunities.

Journal Article J Surg Educ · September 2023 OBJECTIVE: Prior studies have focused on the role of the learning environment on students' decisions to pursue surgery, but few have analyzed the impact of the clerkship curriculum. This study assessed surgical clerkship curricula across United States (US) ... Full text Link to item Cite

Gastroparesis: an evidence-based review for the bariatric and foregut surgeon.

Journal Article Surgery for obesity and related diseases : official journal of the American Society for Bariatric Surgery · May 2023 Gastroparesis is a gastric motility disorder characterized by delayed gastric emptying. It is a rare disease and difficult to treat effectively; management is a dilemma for gastroenterologists and surgeons alike. We conducted a systematic review of the lit ... Full text Cite

Robotic Bariatric Surgery: An Update

Journal Article Current Surgery Reports · April 1, 2023 Purpose of Review: This article will provide a review of the most recent literature regarding the use of robotics in bariatric surgery. Recent Findings: The use of robotics in bariatric surgery, while still debated, is on the rise. The appeal of this platf ... Full text Cite

Robotic-Assisted Bariatric Surgery

Chapter · January 1, 2023 Intuitive Surgical, Inc., United States of America obtained the Food and Drug Administration approval in 2000 and introduced the da Vinci™ robot system in the United States providing an alternative platform for performing minimally invasive surgery. The sy ... Full text Cite

American College of Surgeons Objective Assessment of Skills in Surgery (ACS OASIS): A Formative Assessment of Junior Residents' Technical Skills.

Journal Article J Surg Educ · 2022 OBJECTIVE: The objective assessment of technical skills of junior residents is essential in implementing competency-based training and providing specific feedback regarding areas for improvement. An innovative assessment that can be easily implemented by t ... Full text Link to item Cite

Trends in Racial, Ethnic, and Sex Representation Among Surgical Faculty Members and Medical Students in the US, 2011-2020.

Journal Article JAMA Surg · December 1, 2021 This cohort study uses existing data on race, ethnicity, and sex among US surgical faculty members and medical students to identify changes between 2011 and 2020. ... Full text Link to item Cite

Technical Feasibility, Outcomes, and Patient Satisfaction After Needlescopic and Laparoscopic Bariatric Surgery: a Randomized Study.

Journal Article Obes Surg · November 2021 BACKGROUND: Needlescopic instruments create a 3-mm incision and may result in less pain and superior cosmesis. There is limited understanding of the effectiveness of needlescopic instruments in patients with a body mass index (BMI) > 35 kg/m2. We report pe ... Full text Link to item Cite

Assessment and management of gastroesophageal reflux disease following bariatric surgery.

Journal Article Surg Obes Relat Dis · November 2021 Gastroesophageal reflux disease (GERD) is a common disease in patients with obesity. The incidence of de novo GERD and the effect of bariatric surgery on patients with pre-existing GERD remain controversial. Management of GERD following bariatric surgery i ... Full text Link to item Cite

Glycemic Control Predicts Severity of Hepatocyte Ballooning and Hepatic Fibrosis in Nonalcoholic Fatty Liver Disease.

Journal Article Hepatology · September 2021 BACKGROUND AND AIMS: Whether glycemic control, as opposed to diabetes status, is associated with the severity of NAFLD is open for study. We aimed to evaluate whether degree of glycemic control in the years preceding liver biopsy predicts the histological ... Full text Open Access Link to item Cite

Robot-assisted biliopancreatic diversion with duodenal switch

Chapter · April 25, 2021 Biliopancreatic diversion with duodenal switch is considered a technically more demanding bariatric operation. We endeavor to demystify this procedure by reviewing the technical points of the operation. In addition, we will discuss the history and evolutio ... Full text Cite

Gastroesophageal Reflux Predicts Utilization of Dehydration Treatments After Bariatric Surgery.

Journal Article Obes Surg · February 2021 BACKGROUND: Dehydration treatments (DT) provide intravenous fluids to patients in the outpatient setting; however, the utilization of DT is not well-described. We characterize the cohort receiving DT, the first year it was recorded in a bariatric-specific ... Full text Open Access Link to item Cite

This Is How We Do It: Laparoscopic Roux-en-Y Gastric Bypass.

Journal Article J Laparoendosc Adv Surg Tech A · June 2020 Morbid obesity afflicts one third of the population in the United States and decreases life expectancy by 5-20 years. Laparoscopic Roux-en-Y gastric bypass (LRYGB) has been an established operation for the treatment of morbid obesity for nearly three decad ... Full text Link to item Cite

Medical Student Involvement and Learning Objectives in Morbidity and Mortality Conferences: A National Survey of the Association for Surgical Education's Committee of Clerkship Directors.

Journal Article J Surg Educ · 2020 BACKGROUND: Despite implementation of Morbidity and Mortality (M&M) Conference across surgical graduate medical education, sparse literature exists regarding the attendance and involvement of medical students. We sought to examine student involvement and l ... Full text Link to item Cite

Systematic review of management of gallbladder disease in patients undergoing minimally invasive bariatric surgery.

Journal Article Surg Obes Relat Dis · January 2020 The introduction and subsequent widespread adaptation of minimally invasive approaches for bariatric surgery have not only changed the outcomes of bariatric surgery but also called into question the management of co-morbid surgical conditions, in particula ... Full text Link to item Cite

Foramen of Winslow Hernia: a Review of the Literature Highlighting the Role of Laparoscopy.

Journal Article J Gastrointest Surg · October 2019 Foramen of Winslow hernia (FWH) is an extremely rare entity accounting for up to 8% of internal hernias and 0.08% of all hernias. Only 150 cases of FWH have been described in the literature to date with a peak incidence between the third and sixth decades ... Full text Open Access Link to item Cite

Development of ASMBS research agenda for bariatric surgery using the Delphi methodology.

Journal Article Surg Obes Relat Dis · September 2019 BACKGROUND: While the number of research publications related to bariatric surgery have increased remarkably in the past decade, research efforts remain uncoordinated and have limited focus, and numerous important questions remain unanswered. OBJECTIVE: To ... Full text Link to item Cite

Validation of Serum Test for Advanced Liver Fibrosis in Patients With Nonalcoholic Steatohepatitis.

Journal Article Clin Gastroenterol Hepatol · August 2019 BACKGROUND & AIMS: We analyzed markers of fibrosis in serum samples from patients with nonalcoholic fatty liver disease (NAFLD), assessed by liver biopsy. We used serum levels of markers to develop an algorithm to discriminate patients with advanced fibros ... Full text Link to item Cite

Magnetic Liver Retraction: an Incision-Less Approach for Less Invasive Bariatric Surgery.

Journal Article Obes Surg · March 2019 BACKGROUND: In bariatric surgery, retraction of the liver is essential to ensure appropriate visualization of the surgical field. Many devices are currently employed for this purpose. Generally, these devices require constant use of a port, or an additiona ... Full text Link to item Cite

The business of educating the next generation of surgeons.

Journal Article Am J Surg · February 2019 Surgical education community needs to be informed about how education is funded and how it is threatened. In order to explore these issues the Association of Surgical Education convened a panel with significant experience in managing surgery departments to ... Full text Link to item Cite

Proving the Effectiveness of the Fundamentals of Robotic Surgery (FRS) Skills Curriculum: A Single-blinded, Multispecialty, Multi-institutional Randomized Control Trial.

Journal Article Ann Surg · January 31, 2019 MINI: Question: Is the Fundamentals of Robotic Surgery (FRS) proficiency-based progression curriculum effective for teaching basic robotic surgery skills? FINDINGS: In an international multi-institutional, multispecialty, blinded, randomized control trial, ... Full text Link to item Cite

Validation of the Omni: A Novel, Multimodality, and Longitudinal Surgical Skills Assessment.

Journal Article J Surg Educ · November 2018 OBJECTIVE: The breadth of technical skills included in general surgery training continues to expand. The current competency-based training model requires assessment tools to measure acquisition, learning, and mastery of technical skill longitudinally in a ... Full text Link to item Cite

Abdominoperineal Resection for Rectal Cancer in the Twenty-First Century: Indications, Techniques, and Outcomes.

Journal Article J Gastrointest Surg · August 2018 BACKGROUND: Management of low rectal cancer continues to be a challenge, and decision making regarding the need for an abdominoperineal resection (APR) in patients with low-lying tumors is complicated. Furthermore, choices need to be made regarding need fo ... Full text Link to item Cite

Tailoring Bariatric Surgery: Sleeve Gastrectomy, Roux-en-Y Gastric Bypass and Biliopancreatic Diversion with Duodenal Switch.

Journal Article J Laparoendosc Adv Surg Tech A · August 2018 BACKGROUND: A need exists to select the most appropriate bariatric operation for a particular patient. One-year data comparing sleeve gastrectomy (SG) to Roux-en-Y gastric bypass (RYGB) and biliopancreatic diversion with duodenal switch (BPD/DS) are sparse ... Full text Link to item Cite

Advancement of multidisciplinary education and research in translational sciences: MERITS program development at Duke University.

Journal Article J Clin Transl Sci · February 2018 INTRODUCTION: The Duke Multidisciplinary Education and Research in Translational Sciences Program provides educational resources for faculty and trainees in translational research. METHODS: To aid in program development, we assessed perceptions of translat ... Full text Link to item Cite

Instituting a Surgical Skills Competition Increases Technical Performance of Surgical Clerkship Students Over Time.

Journal Article J Surg Educ · 2018 INTRODUCTION: Surgical skills training varies greatly between institutions and is often left to students to approach independently. Although many studies have examined single interventions of skills training, no data currently exists about the implementati ... Full text Link to item Cite

Report of Mesocaval Shunt in the Management of Variceal Hemorrhage Following Gastric Bypass Surgery.

Journal Article J Gastrointest Surg · October 2017 Gastrointestinal bleeding following Roux-en- Y gastric bypass (RYGB) is rare. We report an unusual cause of upper gastrointestinal bleeding following RYGB that was complicated by porto- splenic vein thrombosis. A 35- year- old woman was successfully treate ... Full text Link to item Cite

Comparative effectiveness of primary bariatric operations in the United States.

Journal Article Surg Obes Relat Dis · May 2017 BACKGROUND: Four current bariatric operations were compared after matching patients for differences at baseline. Operations with greater weight loss and resolution of co-morbidities also incurred more adverse events. Reflux was best treated by gastric bypa ... Full text Link to item Cite

Surgical Considerations in the Treatment of Small Bowel Crohn's Disease.

Journal Article J Gastrointest Surg · February 2017 Surgery remains a cornerstone of the management of Crohn's disease (CD). Despite the rise of biologic therapy, most CD patients require surgery for penetrating, obstructing, or malignant complications. Optimal surgical therapy requires sophisticated operat ... Full text Link to item Cite

Food cravings and food consumption after Roux-en-Y gastric bypass versus cholecystectomy.

Journal Article Surg Obes Relat Dis · February 2017 BACKGROUND: Food cravings and consumption of craved foods after Roux-en-Y gastric bypass (RYGB) are poorly understood. Food cravings after bariatric surgery may explain why some patients fail to change eating behaviors after RYGB, and understanding these c ... Full text Link to item Cite

Laparoscopic Single-Site Inguinal Hernia Repair Using a Self-Fixating Mesh.

Journal Article JSLS · 2017 BACKGROUND AND OBJECTIVES: Every year ∼20 million inguinal hernia repairs are completed worldwide. Increased patient access to medical information and education has elicited interest in minimally invasive surgical techniques that obtain improved surgical o ... Full text Link to item Cite

Biliopancreatic diversion revisited: Health-related quality of life outcomes of biliary pancreatic with duodenal switch

Journal Article Bariatric Surgical Practice and Patient Care · March 1, 2016 Bariatric surgery is associated with improved health-related quality of life (HrQoL). The biliary pancreatic diversion surgery with duodenal switch is the most uncommon of the bariatric procedures and little is known about the long-term effect on HrQoL. Al ... Full text Cite

The Impaired Surgeon.

Journal Article Surg Clin North Am · February 2016 Impaired physicians are unable to manage professional activities safely. Impairment can be the result of physical or mental disorders, but impaired physicians commonly refers to those suffering from substance use disorders. These disorders are at least as ... Full text Link to item Cite

Vertical banded gastroplasty: Evaluation and management of complications

Chapter · January 1, 2016 The vertical banded gastroplasty (VBG) was designed to be a relatively safe and quick bariatric operation in which there was restriction of food intake but no malabsorption. However, over a period of time patients developed maladaptive eating behaviors or ... Full text Cite

Fecal Incontinence: Etiology, Diagnosis, and Management.

Journal Article J Gastrointest Surg · October 2015 INTRODUCTION: Fecal incontinence is a debilitating condition affecting primarily the elderly. Many patients suffer in silence resulting in both underdiagnosis and undertreatment often culminating in an overall poor quality of life. METHODS: We sought to re ... Full text Link to item Cite

Clostridium Difficile Infection from a Surgical Perspective.

Journal Article J Gastrointest Surg · July 2015 BACKGROUND: The incidence and the severity of Clostridium difficile infection (CDI) have increased significantly over the last decade, especially in high-risk populations such as patients with inflammatory bowel disease (IBD). Surgeons must be able to both ... Full text Link to item Cite

WISE-MD usage among millennial medical students.

Journal Article Am J Surg · January 2015 BACKGROUND: E-learning is increasingly common in undergraduate medical education. Internet-based multimedia materials should be designed with millennial learner utilization preferences in mind for maximal impact. METHODS: Medical students used all 20 Web I ... Full text Link to item Cite

The association for surgical education CESERT grant program: the first 15 years.

Journal Article Am J Surg · January 2015 BACKGROUND: The Association for Surgical Education established the Center for Excellence in Surgical Education Research and Training (CESERT) program in 1999 to support innovative research and education projects and programs that will advance surgical educ ... Full text Link to item Cite

Cost and logistics for implementing the American College of Surgeons objective structured clinical examination.

Journal Article Am J Surg · January 2015 BACKGROUND: The American College of Surgeons has developed a reliable and valid OSCE (objective structured clinical examination) to assess the clinical skills of incoming postgraduate year 1 surgery residents, but the cost and logistics of implementation h ... Full text Link to item Cite

Sphincter-sparing surgery in patients with low-lying rectal cancer: techniques, oncologic outcomes, and functional results.

Journal Article J Gastrointest Surg · July 2014 BACKGROUND: Rectal cancer management has evolved into a complex multimodality approach with survival, local recurrence, and quality of life parameters being the relevant endpoints. Surgical treatment for low rectal cancer has changed dramatically over the ... Full text Link to item Cite

Sphincter-Sparing Surgery in Patients with Low-Lying Rectal Cancer: Techniques, Oncologic Outcomes, and Functional Results

Journal Article Journal of Gastrointestinal Surgery · January 1, 2014 Background: Rectal cancer management has evolved into a complex multimodality approach with survival, local recurrence, and quality of life parameters being the relevant endpoints. Surgical treatment for low rectal cancer has changed dramatically over the ... Full text Cite

Robotic biliopancreatic diversion: Robot-assisted (hybrid) biliopancreatic diversion with duodenal switch

Chapter · January 1, 2014 Scopinaro first described biliopancreatic diversion in 1979. One of its modifications, the biliopancreatic diversion with duodenal switch (BPD/DS), is the most effective operation for weight loss and resolution of obesity-associated medical conditions such ... Full text Cite

Revisional robotic bariatric surgery

Chapter · January 1, 2014 In the era of laparoscopic bariatric surgery with very low morbidity and mortality,the role of robotic surgery has yet to be defined. One area where the robot may beparticularly useful is in revisional surgery where the tissue planes could be obscured from ... Cite

Influence of ethnicity on the efficacy and utilization of bariatric surgery in the USA.

Journal Article J Gastrointest Surg · January 2014 BACKGROUND: Ethnic disparities in patterns of utilization and outcomes after Roux-en-Y gastric bypass surgery (RYGB) were examined from Bariatric Outcomes Longitudinal Database. METHODS: Descriptive statistics were used for demographics of Whites, Blacks, ... Full text Link to item Cite

Conversion of vertical banded gastroplasty to stand-alone sleeve gastrectomy or biliopancreatic diversion with duodenal switch.

Journal Article J Gastrointest Surg · April 2013 INTRODUCTION: Vertical banded gastroplasty (VBG) originated as a simplified bariatric operation to avoid malabsorption and provide lasting results due to a fixed stoma. Short-term results were excellent (50-70 % excess weight loss); however, patients often ... Full text Link to item Cite

Pursuing professional accountability: an evidence-based approach to addressing residents with behavioral problems.

Journal Article Arch Surg · July 2012 OBJECTIVE: To develop an evidence-based approach to the identification, prevention, and management of surgical residents with behavioral problems. DESIGN: The American College of Surgeons and Southern Illinois University Department of Surgery hosted a 1-da ... Full text Link to item Cite

Multifactorial analysis of the learning curve for robot-assisted laparoscopic biliopancreatic diversion with duodenal switch.

Journal Article Ann Surg · May 2012 OBJECTIVE: To assess the impact of surgeon, patient, and case-specific factors on the learning curve of robot-assisted laparoscopic biliopancreatic diversion with duodenal switch (RA-LBPD/DS). BACKGROUND: The BPD/DS has better resolution of diabetes and hy ... Full text Link to item Cite

Gastric bypass does not influence olfactory function in obese patients.

Journal Article Obes Surg · February 2012 Morbidly obese individuals have altered sense of taste and smell. Gastric bypass (GBP) alters taste but olfactory function has not been evaluated. Changes in these senses may influence dietary preferences following GBP. Our aim was to evaluate the effect o ... Full text Link to item Cite

Weight loss at first postoperative visit predicts long-term outcome of Roux-en-Y gastric bypass using Duke weight loss surgery chart.

Journal Article Surg Obes Relat Dis · 2012 BACKGROUND: Roux-en-Y gastric bypass has been used for >3 decades. However, no normative data are available to aid the bariatric surgeon in assessing the adequacy of weight loss at each postoperative visit. The objective of the present study was to constru ... Full text Link to item Cite

Emergency and weekend robotic surgery are feasible

Journal Article Journal of Robotic Surgery · January 1, 2012 Robotic surgery has made a minimally invasive approach feasible for many complex operations that were previously performed by the open approach. Because of the complexity of its technology and the need for specially trained personnel, robotic operations ha ... Full text Cite

Biliopancreatic diversion with duodenal switch.

Journal Article Surg Clin North Am · December 2011 The biliopancreatic diversion with a duodenal switch (BPD-DS) is a less commonly performed but very effective bariatric procedure that has been in existence for more than 20 years. It is particularly effective for the resolution of diabetes and is associat ... Full text Link to item Cite

Bariatric surgery using a network and teleconferencing to serve remote patients in the Veterans Administration Health Care System: feasibility and results.

Journal Article Am J Surg · July 2011 BACKGROUND: Previously, Midwestern veteran patients had limited bariatric surgery access because they lived long distances from a bariatric surgery center (BSC). The creation and outcomes of a network to increase bariatric surgery access and patient satisf ... Full text Link to item Cite

Combined treatment of symptomatic massive paraesophageal hernia in the morbidly obese.

Journal Article JSLS · 2011 INTRODUCTION: Repair of large paraesophageal hernias by itself is associated with high failure rates in the morbidly obese. A surgical approach addressing both giant paraesophageal hernia and morbid obesity has, to our knowledge, not been explored in the s ... Full text Link to item Cite

Retrograde intussusception after Roux-en-Y gastric bypass for morbid obesity.

Journal Article Obes Surg · March 2009 Intussusception after Roux-en-Y gastric bypass procedure (RYGBP) is a rare complication that typically presents late after open or laparoscopic procedures with intermittent partial or complete bowel obstruction. It may be antegrade (peristaltic) or retrogr ... Full text Link to item Cite

Delayed rupture of a splenic artery pseudoaneurysm after biliopancreatic diversion.

Journal Article Obes Surg · July 2008 Splenic artery pseudoaneurysm (SAP) is a known but rare complication of pancreatitis and blunt abdominal trauma. SAP caused by operative trauma has been rarely reported. We present a patient who presented with massive upper gastrointestinal (GI) bleed in s ... Full text Link to item Cite

Experience with the duodenal switch operation in the presence of intestinal malrotation.

Journal Article Obes Surg · May 2008 The presence of intestinal malrotation (IM) may pose unexpected problems during bariatric operations. We reviewed the records of patients with IM undergoing bariatric operations at our institution over the last 5 years. Three patients underwent four proced ... Full text Link to item Cite

E-Government policy and health information systems implementation in Andhra Pradesh, India: Need for articulation of linkages between the macro and the micro

Other Information Society · October 1, 2007 In recent years, many different types of e-government projects have been implemented across the developing world. One important application area, especially following the Millennium Development Goals, is the introduction of health information systems to im ... Full text Cite

Robotically assisted biliary pancreatic diversion with a duodenal switch: a new technique.

Journal Article Surg Endosc · May 2007 BACKGROUND: Minimally invasive surgical techniques decrease the length of hospitalization and the morbidity for general surgery procedures. Application of minimally invasive techniques to obesity surgery had previously been limited to stapled techniques us ... Full text Link to item Cite

Altered olfactory acuity in the morbidly obese.

Journal Article Obes Surg · August 2004 BACKGROUND: Obese individuals have been reported to have a heightened desire for and ability to identify sweets when compared with leaner persons. Smell, like taste, may also be altered in obese persons compared with leaner subjects. This study was designe ... Full text Link to item Cite

Robot-assisted Bricker ileoureteral anastomosis during intracorporeal laparoscopic ileal conduit urinary diversion for prostatocutaneous fistula: case report.

Journal Article J Endourol · April 2004 BACKGROUND AND PURPOSE: The da Vinci robot is useful during minimally invasive surgery in performing intracorporeal suturing. We report one case of its application during laparoscopic ileal conduit urinary diversion for prostatocutaneous fistula. METHODS: ... Full text Link to item Cite

Laparoscopic nephron-sparing surgery in a Jehovah's Witness patient.

Journal Article J Endourol · February 2004 An obese 76-year-old woman with type II diabetes, hypertension, coronary artery disease, and gastroesophageal reflux was found to have a 6-cm lower-pole mass in a solitary functional right kidney. Because her religious beliefs prohibited blood transfusion, ... Full text Link to item Cite

Laparoscopy-assisted robotic radical cystoprostatectomy with ileal conduit urinary diversion for muscle-invasive bladder cancer: initial two cases.

Journal Article J Endourol · November 2003 BACKGROUND AND PURPOSE: The use of the da Vinci robot is being investigated in the discipline of urologic surgery. We describe our experience with its use during radical cystoprostatectomy in two patients with organ-confined bladder cancer. PATIENTS AND ME ... Full text Link to item Cite

Long-term outcome of simultaneous kidney-pancreas transplantation: analysis of 61 patients with more than 5 years follow-up.

Journal Article Transplantation · February 27, 2000 BACKGROUND: The long-term outcome of simultaneous kidney pancreas transplant recipients is not well established. METHODS: We retrospectively reviewed all patients who underwent simultaneous kidney-pancreas transplantation with bladder drainage at our cente ... Full text Link to item Cite

An emerging schizophrenic syndrome.

Journal Article J Am Acad Child Adolesc Psychiatry · November 1993 This case history describes a 16-year-old adolescent male who developed schizophrenia with prominent negative symptoms. For the previous 6 years his diagnosis had been oppositional defiant disorder or conduct disorder. The clinical presentation, differenti ... Full text Link to item Cite

Long-term stability of electroenzymatic glucose sensors implanted in mice. An update.

Journal Article ASAIO Trans · 1988 Protection of the enzyme layer of glutaraldehyde vapor-stabilized glucose oxidase-based glucose sensors from attack by proteolytic enzymes and peritoneal macrophages can be accomplished by covering with a regenerated cellulose (viscose) membrane, as common ... Link to item Cite

Long-term implantation of voltammetric oxidase/peroxide glucose sensors in the rat peritoneum.

Journal Article Methods Enzymol · 1988 Methods for designing, fabricating, testing in vitro and in vivo, and improving chronically implantable oxidase/peroxide-type polarographic glucose sensors are described. Voltammetric means to evaluate oxygen supply to the sensor and to measure the nearby ... Full text Link to item Cite

Polarographic cerebral oxygen availability, fluorocarbon blood levels and efficacy of oxygen transport by emulsions.

Journal Article Biomater Artif Cells Artif Organs · 1988 In order to relate blood perfluorocarbon (PFC) level to brain tissue oxygen availability (aO2) and respiratory oxygen (FIO2), twelve conscious rabbits with chronically implanted platinum cathodes were infused with six types of emulsions in 14 infusions and ... Full text Link to item Cite

Design and Long‐Term Performance of Surgically Implanted Electroenzymatic Glucose Sensors

Journal Article Annals of the New York Academy of Sciences · January 1, 1987 Full text Cite