Gi Insights

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: Alexa Weingarden, MD PhD Probiotic use in gastroenterology remains a complex and evolving topic, shaped by variable evidence and growing patient demand. Dr. Peter Buch sits down with Dr. Alexa Weingarden to review current data, discuss distinctions between probiotic-related therapies, and explore the clinical utility of microbiome testing. Dr. Weingarden is an Assistant Professor of Gastroenterology, Hepatology, and Nutrition at the University of Minnesota Medical School.

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: Yinghong Wang, MD, PhD, MS Immune checkpoint inhibitor (ICI) colitis comes with unique diagnostic and treatment challenges, which means that recognizing and managing it effectively is key to the best outcomes. Joining Dr. Peter Buch to share her insights on caring for patients with this complex condition is Dr. Yinghong Wang. Dr. Wang is a Professor in the Department of Gastroenterology, Hepatology, and Nutrition at MD Anderson Cancer Center in Houston, Texas, as well as Director of the Oncology-GI Toxicity Program, Director of Fecal Microbiota Transplantation, Deputy Division Head of Research in the Division of Internal Medicine, and Chair of the MD Anderson Cancer Center Immunotherapy Toxicity Working Group.

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: Paul Kwo, MD While sometimes overlooked, minimally elevated liver tests may signal early liver disease or non-hepatic conditions like thyroid dysfunction. As a result, interpreting ALT and AST thresholds, assessing metabolic risk, and reviewing lifestyle factors can help shape a focused diagnostic approach and reduce liver-related complications. Joining Dr. Peter Buch to provide insights into the evaluation of minimally elevated liver tests is Dr. Paul Kwo, who’s a Professor of Medicine and Director of Hepatology at Stanford University.

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.

Guest: Francis Farraye, MD Host: Peter Buch, MD, FACG, AGAF, FACP A 2025 update to the American College of Gastroenterology (ACG)'s guideline on preventive care in inflammatory bowel disease (IBD) includes key changes impacting vaccine recommendations, dermatologic screening, and care coordination. Dr. Peter Buch sits down with Dr. Francis Farraye, lead author of this guideline, to highlight what clinicians need to know. Dr. Farraye is a Professor of Medicine and the Director of the Inflammatory Bowel Disease Center at the Mayo Clinic in Jacksonville, Florida

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.

Host: Peter Buch, MD, FACG, AGAF, FACP Guest: Neena Abraham, MD, MS Knowing how to manage anticoagulants and antithrombotics during acute GI bleeding is essential in preventing avoidable complications, including thromboembolism and delayed hemostasis. Dr. Peter Buch sits down with Dr. Neena Abraham to discuss the latest recommendations from major GI and cardiology societies and explore practical strategies for anticoagulant reversal, triage criteria, and endoscopic hemostasis. Dr. Abraham is a Professor of Medicine and the Medical Director of the Cardiogastroenterology Clinic at the Mayo Clinic in Phoenix.

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: Ashwani K. Singal MD, MS, FACG, FAASLD, AGAF Sarcopenia and poor nutrition are often silent threats in chronic liver disease, yet they drastically impact outcomes. Joining Dr. Peter Buch to discuss strategies for recognizing and addressing malnutrition early to improve long-term liver health is Dr. Ashwani Singal. Dr. Singal is a Professor of Medicine at the University of Louisville School of Medicine.

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.

Host: Peter Buch, MD, FACG, AGAF, FACP Guest: Stefan Holubar, MD, MS When are ostomies necessary in patients with inflammatory bowel disease? Join Dr. Peter Buch and Dr. Stefan Holubar, Director of Research at the IBD Surgery Section at the Cleveland Clinic, as they explore key surgical considerations for both ulcerative colitis and Crohn’s disease, including when to consider temporary versus permanent ileostomies, how to manage complications like anastomotic leaks, and what factors influence the decision to delay or avoid ileal pouch creation.

Host: Peter Buch, MD, FACG, AGAF, FACP Guest: Mark Benson, MD Colonic perforations during colonoscopy are rare, but when they occur, taking swift and informed action is critical, particularly to avoid surgical intervention. Joining Dr. Peter Buch to offer his insights on perforation prevention, risk-reduction techniques, and repair strategies is Dr. Mark Benson, an advanced endoscopist and Associate Professor in the Division of Gastroenterology and Hepatology at the University of Wisconsin School of Medicine.

Host: Peter Buch, MD, FACG, AGAF, FACP Guest: J. Andy Tau, MD Topical hemostatic agents play a key role in managing complex bleeding cases, but there’s a lot to keep in mind when selecting which agent to use, like their mechanism and efficacy. Joining Dr. Peter Buch to share top considerations and best practices for using topical hemostatic agents is Dr. J Andy Tau, a board-certified gastroenterologist at Austin Gastroenterology in Texas.

Host: Peter Buch, MD, FACG, AGAF, FACP Guest: Aasma Shaukat, MD, MPH While fecal immunochemical testing and multitarget stool DNA testing are commonly used to screen for colon cancer, screening rates remain low throughout the United States. With the introduction of blood-based testing modalities, noninvasive colon cancer screening is becoming more accessible than ever. Join host Dr. Peter Buch and Dr. Aasma Shaukat as they discuss the effectiveness of current and emerging methods as well as best practices for screening patients. Dr. Shaukat is the Robert M. and Mary H. Glickman Professor of Medicine at the NYU Grossman School of Medicine and the Co-Director of Translational Research, Education, and Careers and the Director of Outcomes Research in the Division of Gastroenterology and Hepatology at NYU.

Guest: Elisa K. Boden, MD For patients with Crohn’s disease who require surgery, a variety of risk factors are involved in postoperative recovery and disease control. Learn how prehabilitation programs and lifestyle modifications can reduce complications during and after surgery with Dr. Elisa Boden, an Associate Professor of Medicine in the Division of Gastroenterology and Hepatology at Oregon Health and Science University.

Guest: Shalini Prasad, PhD Guest: Sriram Muthukumar, PhD Host: Charles Turck, PharmD, BCPS, BCCCP With the constant ups and downs of inflammatory bowel disease (IBD), consistent monitoring can help provide patient-centric care. Dr. Shalini Prasad and Dr. Sriram Muthukumar, co-founders of EnLiSense, join GI Insights to discuss the wearable device they developed to track inflammation markers in IBD patients. Dr. Prasad is the Head of the Department of Bioengineering at the University of Texas at Dallas, and Dr. Muthukumar is the CEO of EnLiSense.

Guest: Elisa K. Boden, MD For many patients with Crohn’s disease, surgery is necessary due to complications like strictures and fistulas. Dr. Elisa Boden explores risk factors and potential complications, which she spoke about at the 2025 Crohn’s and Colitis Congress. Dr. Boden is an Associate Professor of Medicine in the Division of Gastroenterology and Hepatology at Oregon Health and Science University.