Gastroenterology/Hepatology Research Team

 

Clinical Interests

• Motility
• Anorectal Disorders (Constipation/Incontinence/Pain)
• Colonic Manometry
• Anorectal Manometry
• Biofeedback Therapy
• Digestive Health Disorders

Research Interests

• Focus on the pathophysiology and treatment of IBS
• Constipation and fecal incontinence
• Visceral pain, particularly esophageal chest pain
• Pioneered several new techniques of evaluating esophageal, gastric, colonic, and anorectal function (brain-gut axis)
• Received several patents and pioneered the technique of biofeedback therapy for dyssynergic defecation
• Currently, investigating the neurobiologic mechanisms of biofeedback therapy, and pioneering new treatments for fructose intolerance

Recognitions

• American Gastroenterological Association (AGA) Distinguished Clinician Award
• AGA Distinguished Educator Award
• AGA Masters Award for Outstanding Clinical Research
• American College of Gastroenterology (ACG) Auxiliary Research Award, 2005
• International Foundation for Functional GI disorders Senior Clinical Investigator Award, 2009
• University of Iowa Regents Award for Faculty Excellence, 2010
• Indian Society of Gastroenterology "Dr PN Chuttani Oration", 2010
• Editor of several books: Disorders of the Anorectum (2001), Anorectal and Pelvic Floor Disorders (2008) for Gastroenterology Clinics of North America, Gastrointestinal Motility-Tests and Problem-Oriented Approach, and GI Motility Testing - a Laboratory and Office Handbook (2010, Co-Editor).
• Published 250 articles
• Reviewer for major international journals
• "Best Doctors in America"
• America's Top Doctors