Thomas Schnell, MD

Medicine

Gastroenterology
Professor

Languages Spoken

English

Clinical Expertise

  • Colon Cancer
  • Esophagus Cancer
  • Reflux Disease
  • Stomach Cancer
  • Heartburn

Medical Education

Medical School
University of Minnesota Medical School
Residency
VA Medical Center
Hines - Internal Medicine: General
Fellowship
VA Medical Center, Hines - Internal Medicine: Gastroenterology

Board Certification

Gastroenterology
American Board of Internal Medicine Subspecialty

Research

  • Non-cardiac chest pain: the long-term natural history and comparison with gastroesophageal reflux disease. Williams, J. F.; Sontag, S. J.; Schnell, T.; Leya, J., American Journal of Gastroenterology
  • Five-year colon surveillance after screening colonoscopy Lieberman, D. A.; Weiss, D. G.; Harford, W. V.; Ahnen, D. J.; Provenzale, D.; Sontag, S. J.; Schnell, T. G.; Chejfec, G.; Campbell, D. R.; Kidao, J.; Bond, J. H.; Nelson, D. B.; Triadafilopoulos, G.; Ramirez, F. C.; Collins, J. F.; Johnston, T. K.; McQuaid, K. R.; Garewal, H.; Sampliner, R. E.; Esquivel, R.; Robertson, D., Gastroenterology
  • The long-term natural history of gastroesophageal reflux disease Sontag, S. J.; Sonnenberg, A.; Schnell, T. G.; Leya, J.; Metz, A., Journal of clinical gastroenterology
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  • Asthmatics with gastroesophageal reflux: long term results of a randomized trial of medical and surgical antireflux therapies Sontag, S. J.; O'Connell, S.; Khandelwal, S.; Greenlee, H.; Schnell, T.; Nemchausky, B.; Chejfec, G.; Miller, T.; Seidel, J.; Sonnenberg, A., American Journal of Gastroenterology
  • Acid reflux is a poor predictor for severity of erosive reflux esophagitis. Avidan, B.; Sonnenberg, A.; Schnell, T. G.; Sontag, S. J., Digestive Diseases & Sciences
  • Hiatal hernia and acid reflux frequency predict presence and length of Barrett's esophagus. Avidan, B.; Sonnenberg, A.; Schnell, T. G.; Sontag, S. J., Digestive Diseases & Sciences
  • Hiatal hernia size Barrett's length, and severity of acid reflux are all risk factors for esophageal adenocarcinoma., Avidan, B.; Sonnenberg, A.; Schnell, T. G.; Chejfec, G.; Metz, A.; Sontag, S. J., American Journal of Gastroenterology
  • Inguinal hernia is not a sign of colon cancer: results of a prospective screening trial. Avidan, B.; Sonnenberg, A.; Bhatia, H.; Aranha, G.; Schnell, T. G.; Sontag, S. J., Alimentary Pharmacology & Therapeutics
  • New occurrence and recurrence of neoplasms within 5 years of a screening colonoscopy. Avidan, B.; Sonnenberg, A.; Schnell, T. G.; Leya, J.; Metz, A.; Sontag, S. J., American Journal of Gastroenterology
  • There are no reliable symptoms for erosive oesophagitis and Barrett's oesophagus: endoscopic diagnosis is still essential. Avidan, B.; Sonnenberg, A.; Schnell, T. G.; Sontag, S. J., Alimentary Pharmacology & Therapeutics
  • Gastric surgery is not a risk for Barrett's esophagus or esophageal adenocarcinoma Avidan, B.; Sonnenberg, A.; Schnell, T. G.; Sontag, S. J., Gastroenterology
  • Is there a link between cervical inlet patch and Barrett's esophagus?. Avidan, B.; Sonnenberg, A.; Chejfec, G.; Schnell, T. G.; Sontag, S. J., Gastrointestinal endoscopy
  • Long-term nonsurgical management of Barrett's esophagus with high-grade dysplasia Schnell, T. G.; Sontag, S. J.; Chejfec, G.; Aranha, G.; Metz, A.; O'Connell, S.; Seidel, U. J.; Sonnenberg, A., Gastroenterology
  • Long-term outcome of medical and surgical therapies for gastroesophageal reflux disease: follow-up of a randomized controlled trial Spechler, S. J.; Lee, E.; Ahnen, D.; Goyal, R. K.; Hirano, I.; Ramirez, F.; Raufman, J. P.; Sampliner, R.; Schnell, T.; Sontag, S.; Vlahcevic, Z. R.; Young, R.; Williford, W., JAMA
  • No association between gallstones and gastroesophageal reflux disease. Avidan, B.; Sonnenberg, A.; Schnell, T. G.; Sontag, S. J., American Journal of Gastroenterology
  • Reduced symptoms and need for antisecretory therapy in veterans 3 years after Helicobacter pylori eradication with ranitidine bismuth citrate/amoxicillin/clarithromycin. Sontag, S. J.; O'Connell, S.; Schnell, T.; Chejfec, G.; Seidel, J.; Sonnenberg, A., American Journal of Gastroenterology
  • Risk factors for erosive reflux esophagitis: a case-control study. Avidan, B.; Sonnenberg, A.; Schnell, T. G.; Sontag, S. J., American Journal of Gastroenterology
  • Risk factors of oesophagitis in arthritic patients. Avidan, B.; Sonnenberg, A.; Schnell, T. G.; Budiman-Mak, E.; Sontag, S. J., European journal of gastroenterology & hepatology
  • Temporal associations between coughing or wheezing and acid reflux in asthmatics. Avidan, B.; Sonnenberg, A.; Schnell, T. G.; Sontag, S. J., Gut
  • Walking and chewing reduce postprandial acid reflux. Avidan, B.; Sonnenberg, A.; Schnell, T. G.; Sontag, S. J., Alimentary Pharmacology & Therapeutics