World's Best Scientists 2026 revealed!

D-Index & Metrics

Medicine

D-Index
92
Citations
26262
World Ranking
11440
National Ranking
5865

Overview

Richard A. Kozarek is affiliated with the Virginia Mason Medical Center in the United States and has a research focus primarily within the field of medicine. Their extensive body of work covers significant subfields including surgery, pulmonary and respiratory medicine, oncology, gastroenterology, and microbiology. The scientist's publications indicate a concentration on both clinical and procedural aspects of medical treatment and diagnosis.

The main topics Richard A. Kozarek explores include:

  • Esophageal and GI Pathology
  • Pancreatic and Hepatic Oncology Research
  • Gallbladder and Bile Duct Disorders
  • Pancreatitis Pathology and Treatment
  • Pediatric Hepatobiliary Diseases and Treatments
  • Gastrointestinal disorders and treatments
  • Gastroesophageal reflux and treatments

Kozarek has contributed frequently to high-impact journals. The most common publication venues for their work are:

  • Gastrointestinal Endoscopy
  • Journal of Clinical Medicine
  • The American Journal of Gastroenterology
  • Surgical Endoscopy
  • UNC Libraries

Collaborations are a visible part of Kozarek's research profile, with frequent coauthors including Rajesh Krishnamoorthi, Shayan Irani, Michael Larsen, Andrew S. Ross, and Joanna K. Law, reflecting a network across related medical and endoscopic research areas.

Selected recent publications that highlight the scope and focus of Kozarek's research are:

  • "EUS-guided versus endoscopic transpapillary gallbladder drainage in high-risk surgical patients with acute cholecystitis: a systematic review and meta-analysis," 2020, Surgical Endoscopy
  • "Effectiveness and safety of EUS-guided choledochoduodenostomy using lumen-apposing metal stents (LAMS): a systematic review and meta-analysis," 2020, Surgical Endoscopy
  • "Endoscopic retrograde cholangiopancreatography: Current practice and future research," 2021, World Journal of Gastrointestinal Endoscopy
  • "Early diagnosis is associated with improved clinical outcomes in benign esophageal perforation: an individual patient data meta-analysis," 2020, Surgical Endoscopy
  • "Efficacy and safety of endoscopic duodenal stent versus endoscopic or surgical gastrojejunostomy to treat malignant gastric outlet obstruction: systematic review and meta-analysis," 2022, Endoscopy International Open

Best Publications

  • Methotrexate Induces Clinical and Histologic Remission in Patients with Refractory Inflammatory Bowel Disease

    Richard A. Kozarek;David J. Patterson;Martin D. Gelfand;V. Alin Botoman

  • The gastroesophageal flap valve: in vitro and in vivo observations.

    Lucius D. Hill;Richard A. Kozarek;Stefan J.M. Kraemer;Ralph W. Aye

  • International consensus guidelines for endoscopic papillary large-balloon dilation

    Tae Hyeon Kim;Jin Hong Kim;Dong Wan Seo;Dong Ki Lee

  • Role of Esophageal Stents in Benign and Malignant Diseases

    Prateek Sharma;Richard Kozarek

  • Endoscopic transpapillary therapy for disrupted pancreatic duct and peripancreatic fluid collections

    Richard A. Kozarek;Terrence J. Ball;David J. Patterson;Patrick C. Freeny

  • Pancreatic stents can induce ductal changes consistent with chronic pancreatitis.

    R.A. Kozarek

  • What is the learning curve associated with double-balloon enteroscopy? Technical details and early experience in 6 U.S. tertiary care centers

    Shahab Mehdizadeh;Andrew Ross;Lauren Gerson;Jonathan Leighton

  • A multicenter, U.S. experience of single-balloon, double-balloon, and rotational overtube–assisted enteroscopy ERCP in patients with surgically altered pancreaticobiliary anatomy (with video)

    Raj J. Shah;Maximiliano Smolkin;Roy Yen;Andrew Ross

  • Development of a new access device for transgastric surgery.

    Lee L. Swanstrom;Richard Kozarek;Pankaj J. Pasricha;Steven Gross

  • Interferon-based adjuvant chemoradiation therapy after pancreaticoduodenectomy for pancreatic adenocarcinoma

    Vincent J Picozzi;Richard A Kozarek;L.William Traverso

  • Endoscopic drainage of pancreatic pseudocysts

    R.A. Kozarek;C.M. Brayko;J. Harlan;R.A. Sanowski

  • Characteristics of biliary tract complications during laparoscopic cholecystectomy: a multi-institutional study.

    Michael S. Woods;L.William Traverso;Richard A. Kozarek;Jane Tsao

  • Effect of Endoscopic Sphincterotomy for Suspected Sphincter of Oddi Dysfunction on Pain-Related Disability Following Cholecystectomy: The EPISOD Randomized Clinical Trial

    Peter B. Cotton;Valerie Durkalski;Joseph Romagnuolo;Qi Pauls

  • Computed tomography severity index is a predictor of outcomes for severe pancreatitis.

    E J Simchuk;L W Traverso;Y Nukui;R A Kozarek

  • Metallic self-expanding stent application in the upper gastrointestinal tract: caveats and concerns.

    R.A. Kozarek;T.J. Ball;D.J. Patterson

  • Laparoscopy–assisted versus balloon enteroscopy–assisted ERCP in bariatric post–Roux-en-Y gastric bypass patients

    Mitchal A. Schreiner;Lily Chang;Michael Gluck;Shayan Irani

  • Double Balloon Enteroscopy Detects Small Bowel Mass Lesions Missed by Capsule Endoscopy

    Andrew Ross;Andrew Ross;Shahab Mehdizadeh;Jeffrey Tokar;Jonathan A. Leighton

  • Intraductal neoplasms of the pancreas

    L. William Traverso;Elizabeth A. Peralta;John A. Ryan;Richard A. Kozarek

  • Esophagectomy--it's not just about mortality anymore: standardized perioperative clinical pathways improve outcomes in patients with esophageal cancer.

    Donald E. Low;Sonia Kunz;Drew Schembre;Henry Otero

  • Portal colopathy: prospective study of colonoscopy in patients with portal hypertension.

    R.A. Kozarek;V.A. Botoman;J.E. Bredfeldt;J.M. Roach

Frequent Co-Authors

Todd H. Baron
Todd H. Baron University of North Carolina at Chapel Hill
Anthony Lembo
Anthony Lembo Beth Israel Deaconess Medical Center
David L. Carr-Locke
David L. Carr-Locke NewYork–Presbyterian Hospital
Robert H. Hawes
Robert H. Hawes Orlando Health
Jacques Devière
Jacques Devière Université Libre de Bruxelles
Stuart Sherman
Stuart Sherman Indiana University
Bret T. Petersen
Bret T. Petersen Mayo Clinic
Lee L. Swanstrom
Lee L. Swanstrom Institute of Image-Guided Surgery

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