GI Insights

Host: Peter Buch, MD, FACG, AGAF, FACP Guest: Vivek Kaul, MD The American Society for Gastrointestinal Endoscopy (ASGE) recently released a new guideline on when to use endoscopic submucosal dissection (ESD) and endoscopic mucosal resection (EMR) in managing early esophageal and gastric cancers. To learn more about when to use each approach, Dr. Peter Buch sits down with guideline co-author Dr. Vivek Kaul. Dr. Kaul is also the Segal-Watson Professor of Medicine at the University of Rochester Medical Center in New York.

Host: Peter Buch, MD, FACG, AGAF, FACP Guest: Charles Kahi, MD Computer-aided detection systems (CADe) are transforming adenoma detection and enhancing colonoscopy quality. Dr. Peter Buch sits down with Dr. Charles Kahi to unpack the latest American Gastroenterological Association (AGA) guideline, evidence from randomized controlled trials, and the practical implications of integrating AI tools into clinical practice. Dr. Kahi is a Professor of Medicine at Indiana University School of Medicine, and he helped develop the AGA Living Clinical Practice Guideline on Computer-Aided Detection-Assisted Colonoscopy, which was published in Gastroenterology in 2025.

Host: Peter Buch, MD, FACG, AGAF, FACP Guest: David Levinthal, MD, PhD Cyclic vomiting syndrome (CVS) is often underdiagnosed in adults due to its episodic nature and symptom overlap with other conditions. Dr. David Levinthal joins Dr. Peter Buch to explore key diagnostic criteria, key differences between CVS and cannabinoid hyperemesis syndrome (CHS), and evidence-based treatment strategies. Dr. Levinthal is the Director of the UPMC Neurogastroenterology and Motility Center and an Associate Professor of Medicine at the University of Pittsburgh School of Medicine.

Host: Peter Buch, MD, FACG, AGAF, FACP Guest: Nabil Mansour, MD Artificial intelligence, simulation platforms, augmented reality, and other technological innovations are transforming our approach to GI training. In this expert-led discussion, Dr. Peter Buch sits down with Dr. Nabil Mansour to discuss how we can integrate cutting-edge tools into colonoscopy training while preserving core competencies. Dr. Mansour is an Associate Professor and the Director of the McNair General GI Clinic at Baylor College of Medicine in Houston.

Host: Peter Buch, MD, FACG, AGAF, FACP Guest: Iris Wang, M.D. From symptom trackers to multidisciplinary app-based platforms, evidence-based digital therapeutics are expanding access to brain-gut behavioral care for patients with irritable bowel syndrome (IBS) and inflammatory bowel disease (IBD). Dr. Peter Buch sits down with Dr. Iris Wang to discuss the spectrum of available tools and explore strategies for aligning them with individual patient needs. Dr. Wang is an Associate Professor of Medicine and the Associate Program Director of the Gastroenterology Fellowship at the Mayo Clinic in Rochester, Minnesota.

Guest: Thomas DeLoughery, MD Host: Peter Buch, MD, FACG, AGAF, FACP Iron deficiency anemia is common in gastroenterology patients and is often underrecognized or suboptimally managed. That's why targeted treatment is essential to improve patient outcomes. In this expert-led discussion, Dr. Peter Buch and Dr. Thomas DeLoughery outline what gastroenterologists need to know about oral vs IV iron, absorption dynamics, and tailoring therapy for various patient populations. Dr. DeLoughery is a Professor of Medicine in the Division of Hematology and Oncology at Oregon Health and Science University in Portland.

Host: Peter Buch, MD, FACG, AGAF, FACP Guest: Michael Camilleri, MD GLP-1 receptor agonists are revolutionizing treatment for diabetes and obesity, but their impact on the gastrointestinal tract demands careful clinical attention. Dr. Peter Buch is joined by Dr. Michael Camilleri, Professor of Medicine at the Mayo Foundation for Medical Education and Research in Rochester, Minnesota, to discuss key findings on gastrointestinal side effects, procedural risks, and the impacts of GLP-1 receptor agonists on the fields of gastroenterology and hepatology.

Host: Peter Buch, MD, FACG, AGAF, FACP Guest: David Fudman, MD As the advanced treatment landscape for inflammatory bowel disease continues to expand, selecting the right therapies has become more complex, with efficacy, safety, patient preferences, disease phenotypes, and more as factors to consider. Learn how to effectively navigate these therapeutic options for ulcerative colitis and Crohn’s disease with Dr. Peter Buch and Dr. David Fudman, Assistant Professor and Director of Inflammatory Bowel Disease Clinics at the University of Texas Southwestern Medical Center.