Brenna C. Bounds

Massachusetts General Hospital

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Todd H. Baron

University of North Carolina at Chapel Hill

George Triadafilopoulos

Stanford University

Allan P. Weston

University of Oklahoma Health Sciences Center

Robert E. Sedlack

Mayo Clinic

Gottumukkala S. Raju

The University of Texas MD Anderson Cancer Center

William R. Brugge

Harvard University

David L. Carr‐Locke

New York Hospital Queens

Peter B. Kelsey

Massachusetts General Hospital

John R. Saltzman

Brigham and Women's Hospital

David G. Forcione

Boca Raton Regional Hospital

Cooperative Institutions

Tricoci University of Beauty Culture

240

Colorado Association of School Executives

Brookhaven College

Harvard University

Stanford University

American Society for Gastrointestinal Endoscopy

RELX Group (Netherlands)

Massachusetts General Hospital

Hochschule Düsseldorf University of Applied Sciences

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Lower Gastrointestinal Bleeding

Gastrointestinal Endoscopy Clinics of North America (2007)

Brenna C. Bounds Peter B. Kelsey

Lower gastrointestinal bleeding

Gastrointestinal bleeding

10.1016/j.giec.2007.03.010

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Citations (31)

Duodenal and Ampullary Neoplasia

Brenna C. Bounds

Tumors of the ampulla of Vater originate from the pancreaticobiliary-duodenal junction, limited by the sphincter of Oddi. Ampullary tumors may present with obstructive jaundice, duodenal obstruction, bleeding, or they may be discovered as an incidental finding at the time of upper gastrointestinal endoscopy or barium radiography for unrelated symptoms. While the presenting symptoms may be very similar to those of pancreatic carcinoma, ampullary malignancies have a much better prognosis. Endoscopic ultrasonography provides high resolution images and permits positioning of the ultrasound transducer in close approximation to the tumor in the duodenum. It is specifically useful for T and N staging which is important in determining the method of resection and ultimately the prognosis of patients with ampullary carcinomas.

Ampulla of Vater

Duodenoscopy

Ampulla

Endoscopic Ultrasound

Obstructive jaundice

Major duodenal papilla

10.1002/9781444346305.ch19

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CME Activity: Continuing Medical Education Exam: February 2007

Gastrointestinal Endoscopy (2007)

Todd H. Baron Brenna C. Bounds Robert E. Sedlack Allan P. Weston Gottumukkala S. Raju

10.1016/j.gie.2006.11.051

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Contents

Gastrointestinal Endoscopy (2010)

Jennifer J. Telford David L. Carr‐Locke Todd H. Baron John M. Poneros Brenna C. Bounds

10.1016/s0016-5107(10)02140-1

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Single-Operator Duodenoscope-Assisted Cholangioscopy Is an Effective Alternative in the Management of Choledocholithiasis Not Removed by Conventional Methods, Including Mechanical Lithotripsy

Endoscopy (2005)

James J. Farrell Brenna C. Bounds Salim M. Alshalabi Brian C. Jacobson William R. Brugge

Background and Study Aims: The widespread use of cholangioscopy in the management of difficult choledocholithiasis has been limited by the need for two expert operators. This report describes the use of a technique of single-operator duodenoscope-assisted cholangioscopy (SODAC) in the successful management of 75 patients with choledocholithiasis. Patients and Methods: The single-operator technique, allowing simultaneous control of both the duodenoscope and cholangioscope, was prospectively studied between June 1999 and June 2001 in the diagnosis and treatment of choledocholithiasis. Results: A total of 109 SODAC procedures were conducted in 75 patients to manage choledocholithiasis. The indications were: firstly, SODAC-guided electrohydraulic lithotripsy (EHL) of stones in which conventional methods, including mechanical lithotripsy, had not been successful (52 SODAC procedures in 26 patients); and secondly, direct visualization of the biliary tree after cholangiography to assess the presence of stones (57 SODAC procedures in 49 patients). The locations and numbers of the stones, but not their size, were predictive of the number of SODAC-guided lithotripsy sessions required. All of the patients were free of stones at the end of the study period, and no complications were recorded. Conclusions: Single-operator SODAC-guided electrohydraulic lithotripsy was effective in the treatment of difficult cases of choledocholithiasis in which conventional methods had previously failed. The technique may allow increased use of cholangioscopy in the management of choledocholithiasis.

Laser lithotripsy

10.1055/s-2005-861306

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Endoscopic Retrieval Devices

Techniques in Gastrointestinal Endoscopy (2006)

Brenna C. Bounds

Endoscope

Bolus (digestion)

10.1016/j.tgie.2005.12.004

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Citations (20)