Dr. Seidner has completed fellowships in Nutrition and Metabolism at New England Deaconess Hospital, Harvard Medical School in Boston, Massachusetts and Gastroenterology at the George Washington University School of Medicine and Health Care Sciences in Washington, D.C. He is certified by the American Board of Internal Medicine in both Gastroenterology and Internal Medicine and has received advanced certification from the National Board of Nutrition Support.
Dr. Seidner previously worked at the Cleveland Clinic where he served as Director of the Nutrition Support Team and the Clinical Nutrition Fellowship. He has participated in professional education programs in the American Society of Nutrition, the American Society for Parenteral and Enteral Nutrition, the American College of Gastroenterology and the American Gastroenterological Association. In addition to his clinical responsibilities he directs the Nutrition Course for the School of Medicine.
Dr. Seidner serves as the chairman of Nutrition Education Committee for the American Society of Nutrition. He is also a board member of the OLEY Foundation, a non-profit organization dedicated to the improvement of the lives of patients on home parenteral and enteral nutrition.
Dr. Seidner’s research interests include improvement of clinical outcomes in patients on home nutritional therapies and intestinal rehabilitation for severe intestinal malabsorption. His clinical expertise includes the diagnosis and management of individuals with severe malabsorption and malnutrition, parenteral and enteral nutrition, and diagnostic and therapeutic endoscopy, including upper endoscopy, endoscopic feeding tube placement, and colonoscopy.
2013 Seidner, DL, Schwartz, LK, Winkler, MF, Jeejeebhoy K, Boullata, JL, Tappenden, KA; Increased Intestinal Absorption in the Era of Teduglutide and Its Impact on Management Strategies in Patients with Short Bowel Syndrome-Associated Intestinal Failure. JPEN J Parenter Enteral Nutr. 2013;37:201-11
2012 Palle B. Jeppesen, Marek Pertkiewicz, Bernard Messing, Kishore Iyer, Douglas Seidner, Stephen J. D. O’Keefe, Alastair Forbes, Hartmut Heinze, Bo Joelsson. Teduglutide Reduces Need for Parenteral Support Among Patients with Short Bowel Syndrome with Intestinal Failure. Gastroenterology 2012;143:1473-1481
2012 Vanek, VW, Seidner, DL ,Allen, P, Bistrian , B, Collier S, Gura, KM, Miles, J, Valentine, CJ, Kochevar M; Novel Nutrient Task Force, Intravenous Fat Emulsion Workgroup; and A.S.P.E.N. Board of Directors. A.S.P.E.N. Position Paper: Clinical Role for Alternative Intravenous Fat Emulsions. Nutr Clin Pract 2012;2:150-92
2012 Horst SN, Seidner DL. “Enteral Access” In: Duggan C, Gura K, Jaksic T, Eds. Clinical Management of Intestinal Failure. CRC Press, Boca Raton, FL. 2012, pp 153-164.
2011 Hamilton, C, Dasari, V, Shatnawei A, Lopez R, Steiger E, Seidner DL. Hypocaloric Home Parenteral Nutrition Parameters in Patients Following Bariatric Surgery. Nutr Clin Pract. 2011; 26:577-82.
2011 Wiese DM, Lashner BA, Lerner E, DeMichele SJ, Seidner DL. The effects of an oral supplement enriched with fish oil, prebiotics, and antioxidants on nutritional status in Crohn’s disease patients. Nutr Clin Pract. 2011;26:463-73.
2011 Rivera R, Campana J, Hamilton C, Lopez R, Seidner DL. Small Bowel Feeding Tube Placement Using an Electromagnetic Tube Placement Device: Accuracy of Tip Location. J Parenter Enteral Nutr . 2011;35:636-42
2008 Wiese DM, Lashner BA, Seidner DL. Measurement of nutritional status in Crohn’s disease patients receiving infliximab therapy. Nutr Clin Pract. 2008;23:551-6.
2008 Hamilton C, Seidner DL. Metabolic bone disease in the patient on long-term parenteral nutrition. Practical Gastroenterology 2008; 32:18-32.
2007 DeChicco R, Seidner DL, Brun C, Steiger E, Stafford J, Lopez R. Tip position of long-term central venous access devices used for parenteral nutrition. J Parenter Enteral Nutr 2007;31:382-7.
2007 Speerhas R, Seidner DL. Comparison of measured and calculated aluminum content of parenteral nutrition solutions. Amer J Health-Syst Pharm 2007;64:740-6.
2007 Williams SEH, Seidner DL. Metabolic bone disease in gastrointestinal illness. GI Clinics of N Amer 2007;36(1):161-90.
2006 Salvino R, Ghanta R, Seidner DL, Mascha E, Xu Y, Steiger E. Liver failure is uncommon In adults on home parenteral nutrition. J Parenter Enteral Nutr 2006;30:202-8.
2006 De Burgoa LJ, Seidner DL, Hamilton C, Stafford J, Steiger E. Examination of factors that lead to complications in new home parenteral nutrition patients. J Infus Nurs 2006;29:74-80.
2006 Hamilton C, Austin T, Seidner DL. Essential fatty acid deficiency in human adults during parenteral nutrition. Nutr Clin Prac. 2006;21(4):387-94.
2005 Seidner DL, Lashner BA, Brzezinski A, Banks PLC, Goldblum J, Fiocchi C, Katz J, Lichtenstein GR, Anton PA, Kam LY, Garleb KA, DeMichele SJ, and The Enteral Nutrition in Ulcerative Colitis Study Group. An oral supplement enriched with fish oil, soluble fiber, and antioxidants for corticosteroid sparing in ulcerative colitis: A randomized controlled trial. Clin Gastro Hepatol 2005;3:358-69.
2005 Parekh NR, Steiger E, Seidner DL. “Managing short bowel syndrome: Making the most of what the patient still has.” Cleve Clin J Med. 2005;72(9):833-8.
2005 Matarese LE, Seidner DL, Steiger E, Fazio V. Practical guide to intestinal rehabilitation for postresection intestinal failure: A Case Study. Nutr Clin Prac 2005;20:551-8.