Ohio State Navbar


Samer Eldika, MD

395 W 12th Ave
Columbus, OH 43210

Email: eldika.1@osu.edu


Current OSU Appointments

Assistant Professor-Clinical, Gastro, Hepatology & Nutrition

Physician, FGP-Gastro-Hepatology & Nutr'n



- 2001 Diplomat: American Board of Internal Medicine
- 2004 Diplomat: American Board of Internal Medicine


1991 B.S., American University of Beirut

1994 M.S., American University of Beirut

1998 M.D., American University of Beirut



1998 Medicine Dean's Honors List. American University of Beirut.
2003 - 2004 Evidence Based Quality Improvement Award. SUNY AT Buffalo.

Journal Articles

Barada KA; Dika SS; Atweh SF; Saadé NE; Nassar CF. "Acute and neonatal capsaicin treatment inhibit jejunal amino acid absorption through a Na+-dependent mechanism.." The American Journal Of Physiology. Vol. 272, no. 4 Pt 1. (April 1997.): G815-.

Wahlqvist,P; Guyatt,G; Armstrong,D; Austin,P; Barkun,A; Chiba,N; degl'Innocenti,A; El-Dika,S; Fallone,C; Heels-Ansdell,D; Tanser,L; van Zanten,S,V; Wiklund,I; Schunemann,H. "Responsiveness to change and English language validation of the WPAI-GERD questionnaire-results from a Canadian study." VALUE IN HEALTH. Vol. 7, no. 3. (May 2004.): 349-349.

Schünemann HJ; Armstrong D; Degl'innocenti A; Wiklund I; Fallone CA; Tanser L; Van Zanten SV; Heels-Ansdell D; El-Dika S; Chiba N; Barkun AN; Austin P; Guyatt GH. "A randomized multicenter trial to evaluate simple utility elicitation techniques in patients with gastroesophageal reflux disease.." Medical Care. Vol. 42, no. 11. (November 2004.): 1132-.

Fallone CA; Guyatt GH; Armstrong D; Wiklund I; Degl'Innocenti A; Heels-Ansdell D; Barkun AN; Chiba N; Zanten SJ; El-Dika S; Austin P; Tanser L; Schünemann HJ. "Do physicians correctly assess patient symptom severity in gastro-oesophageal reflux disease?." Alimentary Pharmacology & Therapeutics. Vol. 20, no. 10. (November 2004.): 1161-.

Devereaux PJ; Choi PT; El-Dika S; Bhandari M; Montori VM; Schünemann HJ; Garg AX; Busse JW; Heels-Ansdell D; Ghali WA; Manns BJ; Guyatt GH. "An observational study found that authors of randomized controlled trials frequently use concealment of randomization and blinding, despite the failure to report these methods.." Journal Of Clinical Epidemiology. Vol. 57, no. 12. (December 2004.): 1232-.

Akl EA; Izuchukwu IS; El-Dika S; Fritsche L; Kunz R; Schünemann HJ. "Integrating an evidence-based medicine rotation into an internal medicine residency program.." Academic Medicine: Journal Of The Association Of American Medical Colleges. Vol. 79, no. 9. (September 2004.): 897-.

El-Dika S; Guyatt GH; Armstrong D; Degl'innocenti A; Wiklund I; Fallone CA; Tanser L; Veldhuyzen van Zanten S; Heels-Ansdell D; Wahlqvist P; Chiba N; Barkun AN; Austin P; Schünemann HJ. "The impact of illness in patients with moderate to severe gastro-esophageal reflux disease.." BMC Gastroenterology. Vol. 5, (January 2005.): 23-.

Degl' Innocenti A; Guyatt GH; Wiklund I; Heels-Ansdell D; Armstrong D; Fallone CA; Tanser L; van Zanten SV; El-Dika S; Chiba N; Barkun AN; Austin P; Schünemann HJ. "The influence of demographic factors and health-related quality of life on treatment satisfaction in patients with gastroesophageal reflux disease treated with esomeprazole.." Health And Quality Of Life Outcomes. Vol. 3, (January 2005.): 4-.

El-Dika S; Mahl T; Mehboob S; Miqdadi J; Heels-Ansdell D; Handley B; Sitrin M; Schünemann H. "Is blinding the endoscopists to bowel preparations in randomized-controlled trials a reality?." Cancer Detection And Prevention. Vol. 30, no. 6. (January 2006.): 552-.

Puhan MA; Guyatt GH; Armstrong D; Wiklund I; Fallone CA; Heels-Ansdell D; Degl'Innocenti A; Veldhuyzen van Zanten SJ; Tanser L; Barkun AN; Chiba N; Austin P; El-Dika S; Schünemann HJ. "Validation of a symptom diary for patients with gastro-oesophageal reflux disease.." Alimentary Pharmacology & Therapeutics. Vol. 23, no. 4. (February 2006.): 531-.

Wahlqvist P; Guyatt GH; Armstrong D; Degl'innocenti A; Heels-Ansdell D; El-Dika S; Wiklund I; Fallone CA; Tanser L; Veldhuyzen van Zanten S; Austin P; Barkun AN; Chiba N; Schünemann HJ. "The Work Productivity and Activity Impairment Questionnaire for Patients with Gastroesophageal Reflux Disease (WPAI-GERD): responsiveness to change and English language validation.." Pharmacoeconomics. Vol. 25, no. 5. (January 2007.): 385-.

Abhishek,Kumar; Kazemi,Mehdi; Kazemi,Mehdi; El-Dika,Samer. "Acute ischemic proctosigmoiclitis from transient hypotension: A case report." SOUTHERN MEDICAL JOURNAL. Vol. 100, no. 11. (November 2007.): 1162-1162.

El-Dika S, Vahabzadeh A, Karageorge L, Kinsey A. "Another case of large pedunculated lipoma endoscopically resected with the assistance of a detachable nylon endoloop." Gastroenterology & Hepatology. Vol. 11, no. 3. (January 2007.): 880-881.

Bobba RK; El-Dika SS; Arsura EL. "Dysphagia in a HIV patient: concern for the etiology?." Southern Medical Journal. Vol. 100, no. 1. (January 2007.): 61-.

Abhishek K; Kaushik S; Kazemi MM; El-Dika S. "An unusual case of hematochezia: acute ischemic proctosigmoiditis.." Journal Of General Internal Medicine. Vol. 23, no. 9. (September 2008.): 1525-.

Stanich,Peter,P; Pilarski,Robert; Rock,Jonathan; Frankel,Wendy,L; El-Dika,Samer; Meyer,Marty,M. "Colonic manifestations of PTEN hamartoma tumor syndrome: Case series and systematic review.." World journal of gastroenterology. Vol. 20, no. 7. (February 2014.): 1833-1838.


Reference Works

January 1995 Barada KS, El-Dika SS, Atweh SF, Taha AM, Saade NE, Nassar CF."Capsaicin's inhibition of alanine (ALA) absorption in the rat jejunum is neurally mediated and involves a decrease in the affinity for alanine absorption" . : A716
April 2009 Henry CH, El-Dika SS, White GE, Wang AY, Kahaleh M, Shami VM."Is EUS-FNA necessary in all patient with PET-positive mediastinal lymphadenopathy?" . : AB339
April 2009 El-Dika SS, Baltz J, White GE, Kahaleh M, Shami VM."Leading the Blind: Standard Upper Endoscopy Provides an Important Road Map to Endoscopic Ultrasound in Patients without Known Luminal Pathology" . : AB336
January 2009 Bakhru M, White GE, Shami VM, El-Dika SS."Quality Assessment of the Use of Trans-Rectal Endoscopic Ultrasound in Rectal Cancer Staging after Advanced endoscopic Ultrasound Training" San Diego.
April 2009 Baltz J, Shami VM, White GE, Kahaleh M, El-Dika SS."Standard Upper Endoscopy Prior to Endoscopic Ultrasound Evaluation Finds Significant Luminal Pathology" . : AB336
April 2009 Bakhru M, Shami VM, Konda VJ, Waxman I, El-Dika SS."Is EUS Necessary in the Management of Patients with High Grade Dysplasia in Flat Barrett's Mucosa?" . : AB246


"Endoscopic Mucosal Resection." Presented at Digestive Disease Week, Chicago, IL. (June 2009)

"EUS in Lung Lesions and Lymphadenopathy: Video Demonstration." Presented at 4th Annual Conference of Liver Disease/Transplantation and Endoscopic Ultrasound, Charlottesville, VA. (May 2009)

"Resistance to Anti-TNF therapy, why and what is next?." Presented at Annual Conference of the Lebanese Society of Gastroenterology, Beirut, LB|LBN. (October 2009)

"Indications for Liver Transplantation: Are We Pushing the Barrier?." Presented at Annual Conference of the Asian Society for Organ Transplantation, Beirut, LB|LBN. (October 2009)

"EUS in Extra-Luminal GI Disorders: Video Demonstration." Presented at 4th Annual Conference of Liver Disease/Liver Transplantation and Endoscopic Ultrasound, Charlottesville, VA. (May 2009)

"Colon Cancer Screening Guidelines and Management of Early Cancer." Presented at National Arab Medical Association, . (April 2011)


Professional Activities

2010 - present Role of Endoscopy and EUS in Esophageal Cancer. MedCentral Health System. Mansfield, OH.