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Hari Sayana, MD

University Medicine Associates
Schedule an appointment: 210-743-4324
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Overview

Practice Locations

Insurance

About

Video

Articles & Publications
Specialty
Advanced Therapeutic Endoscopy
Areas of Interest/Focus
Evaluation of Small Bowel Conditions
Small Bowel Enteroscopy
Board Affiliation/Certification
American Board Internal Medicine/Gastroenterology
Education
Guntur Medical College, Nagarjuna University (2001)
Residency
Internal Medicine, University of Missouri School of Med - Kansas City (2010)
Fellowships
Gastroenterology, University of Missouri School of Med - Kansas City (2014)
Gastroenterology/Advanced Endoscopy, University of Texas Health Science Center (2015)
Languages
English
Telugu
Hindi
Gender
Male

University Hospital

4502 Medical Drive
San Antonio,TX 78229
210-358-4000
Location Details
Insurance Accepted
6 Degrees - Transplant
90 Degree Benefits - Third Party Administrator
Aetna Better Health - CHIP/CHIP Perinate Newborn
Aetna Better Health - Medicaid STAR
Aetna Health - Commercial (Choice POS II, Elect Choice EPO, Exchange (Silver/Gold HMO))
Aetna Health - Commercial (HMO, Managed Choice POS, Meritain, Open Choice PPO)
Aetna Health - Commercial (QPOS, SAISD, Select)
Aetna Health - Medicaid Dual Preferred (HMO D-SNP)
Aetna Health - Medicare Advantage (Eagle PPO, Freedom PPO, Premier HMO, Prime HMO, Value Plus PPO)
Aetna Health - Transplant ONLY
Allegiance - Universal Benefits Consortium
Allwell (Superior HealthPlan) - Medicare Advantage
Ancira Enterprises - Direct Employer
Benefit Administrative Systems - Third Party Administrator
BlueCross BlueShield (Federal Programs) - Commercial (Federal - All Products)
BlueCross BlueShield (Out-of-State) - Commercial (Out of State - Blue Card Program Only)
BlueCross BlueShield of Texas - Commercial (Blue Premier HMO, Blue Choice PPO)
BlueCross BlueShield of Texas - Commercial (CHIP, Blue Advantage HMO, Blue Essentials HMO)
BlueCross BlueShield of Texas - Commercial (ERS, TRS, State of TX Employees)
BlueCross BlueShield of Texas - HPN/EPO (Narrow Network)
BlueCross BlueShield of Texas - Medicaid (STAR, STAR Kids, STAR PLUS)
BlueCross BlueShield of Texas - Medicare Advantage (HMO, PPO)
BlueCross BlueShield of Texas - Medicare-Medicaid Dual Eligible Plans
BlueCross BlueShield of Texas - Traditional/Par Network
BlueCross BlueShield of Texas - Transplant Network
CHAMPVA - Governmental
Cigna - Employer Specific Network (United Benefits Consortium)
Cigna - Employer Specific Network (USAA Employees & Dependents Only)
Cigna Health Spring - Medicare Advantage (WellMed)
Community First Health Plans - CHIP/CHIP Perinate Newborn
Community First Health Plans - Commercial (HMO, Exchange)
Community First Health Plans - Medicaid (STAR, STAR Kids, STAR PLUS)
Community First Health Plans - Medicare Advantage (HMO)
Community First Health Plans - University Family Care Plan
Curative - Commercial (All Products)
Driscoll Health Plan - Medicaid (All products)
EBSO Benefits - Third Party Administrator
El Paso Health - CHIP
El Paso Health - Medicaid STAR
Employers Health Network - Commercial (PPO)
Entrust - Third Party Administrator
First Health - Commercial (All Products)
Gilsbar - Third Party Administrator
HealthSmart (Accel) - Commercial (All products)
Humana - Medicare Advantage (HMO, PPO, WellMed)
Humana - Transplant Network
Imagine 360 - Third Party Administrator
Imperial Health - Commercial (Exchange)
Imperial Health Plan - Medicare Advantage
Independent Medical Systems - Commercial (PPO)
Independent Medical Systems - Workers Compensation
Interlink - Transplant Network
LifeTrac - Transplant Network
Medicaid (Traditional) - Medicaid/Medicare
Molina Healthcare - CHIP/CHIP Perinate
Molina Healthcare - Commercial (Exchange)
Molina Healthcare - Medicaid (STAR, STAR Kids, STAR PLUS)
Molina Healthcare - Medicare Advantage
Molina Healthcare - Medicare-Medicaid Dual Eligible Plans
MultiPlan - Commercial (All products)
OptumHealth - Transplant Network
Point Comfort Underwriters - Refugee Medical Assistance (Adults, Children)
Private Healthcare Systems - Commercial (All Products)
ProCare Advantage - Medicare Advantage (Special Needs Plan)
Provider Partners Health Plan - Medicare Advantage (Special Needs Plan)
SCAN Health - Medicare Advantage (All Products)
Superior HealthPlan - CHIP/CHIP Perinate
Superior HealthPlan - Medicaid (STAR, STAR Health Foster Care, STAR Kids, STAR PLUS)
Superior HealthPlan - Medicare-Medicaid Dual Eligible Plans
Surest (United Healthcare) - Commercial (All Products)
Tokio Marine - Transplant Network
TriWest - TRICARE West Region
TriWest - VA Community Care Network
Trustmark Benefits (f/k/a CoreSource) - Third Party Administrator
UnitedHealthcare - Commercial (Charter EPO/HMO/POS)
UnitedHealthcare - Commercial (Choice Plus POS/PPO/Choice Plus-HAS)
UnitedHealthcare - Commercial (Compass EPO/HMO/POS)
UnitedHealthcare - Commercial (Core and Core Choice Plus EPO/HMO)
UnitedHealthcare - Commercial (Doctors Plan EPO/HMO/POS)
UnitedHealthcare - Commercial (Heritage EPO/HMO/POS)
UnitedHealthcare - Commercial (Indemnity)
UnitedHealthcare - Commercial (Navigate EPO/HMO/POS)
UnitedHealthcare - Commercial (Nexus ACO/EPO/HMO/POS)
UnitedHealthcare - Commercial (PPO)
UnitedHealthcare - Commercial (Select EPO/HMO/POS)
UnitedHealthcare - Commercial (Select Plus EPO/HMO/POS)
UnitedHealthcare - Medicare Advantage (AARP Plans, Complete Care Plans, Erickson Advantage Plans)
UnitedHealthcare - Medicare Advantage (UnitedHealthcare Group Plans, WellMed)
UnitedHealthcare Community Plan - CHIP/CHIP Perinate
UnitedHealthcare Community Plan - Medicaid (STAR, STAR Kids, STAR PLUS)
UnitedHealthcare Community Plan - Medicare-Medicaid Dual Eligible Plans
Universal Benefits Consortium (Allegiance) - Direct Contract with TPA/Broker for select ISDs
University of Incarnate Word - Direct Contact with Employer
Velocity National Provider Network - Commercial (Multiple Payers)
Velocity National Provider Network - Commercial (PPO)
Veterans Administration - Governmental
WellCare - Medicare Advantage
WellCare by Allwell (Medicare Advantage - All Products)
WellCare by Superior HealthPlan - Dual Align (HMO D-SNP)
WellMed (Gonzaba Medical Group IPA) - Medicare Advantage (Transplant Only)
WellMed - Medicare Advantage (Cigna HealthSpring, Humana, United Healthcare, WellPoint)
WellPoint (Gonzaba) - Medicare Advantage (TRANSPLANTS ONLY)
WellPoint - CHIP/CHIP Perinate
WellPoint - Medicaid (STAR, STAR Kids, STAR PLUS)
WellPoint - Medicare Advantage (All Products)
WellPoint - Medicare Advantage (Transplant Only)
WellPoint - Medicare Advantage (WellMed)
WellPoint - Medicare-Medicaid Dual Eligible Plans
Please contact your health insurance company to confirm provider participation. For billing and insurance questions, please call our Billing Department at 210-358-3260.
“Health is wealth and every one of us should invest in it to be able to lead healthy life. I strongly believe in patient education about their health. An informed patient can make better health care decisions, which will improve health care outcomes.”
While taking care of my grandfather during his last months of life, I realized how important it is to have a medical specialist in the community. I became a medical provider because I want to provide the best care possible in a safe, efficient, effective and compassionate manner for my patients.
Philosophy of Care
A learned patient can make better choices for their health. My philosophy is to make complex medical diagnoses and treatments simple to understand for patients in order to help them make better-informed health care choices.
My favorite part of medicine is listening to my patients to understand the natural history of disease process.
Areas of Clinical Expertise
  • ERCP/EUS procedures
  • ESWL (Extracorporeal Shock Wave Lithotripsy)
  • Advanced Endoscopic resection of early mucosal lesions of GI tract- EMR/ESD
  • Closure GI fistulas, leaks, perforations - Endoscopic Wound Vacuum Therapy (E-Vac)
  • Treatment of Barrett's Esophagus
  • Diagnostic/Screening Colonoscopy
  • Small Bowel Enteroscopy
  • Evaluation of Small Bowel conditions
Hobbies
  • Listening to music
  • Running
  • Gardening
  • Traveling

Journal Articles

  1. Han, S., Easler, J., Nikahd, M., Raijman, I., Othman, M. O., Lee, P., Patel, S., Sayana, H., Tarnasky, P., Kedia, P., Trikudanathan, G., Freeman, M. L., Trieu, J., Singla, S. Watkins, J. L., Edmundowicz, S. A., Hammad, H. T., Duloy, A., Wani, S. B., & Shah, R. J. (2025). STONE CLEARANCE BY PANCREATOSCOPY-GUIDED LITHOTRIPSY AND EXTRACORPOREAL SHOCKWAVE LITHOTRIPSY IMPROVE QUALITY OF LIFE AND PAIN IN PATIENTS WITH CHRONIC CALCIFIC PANCREATITIS. Gastrointestinal Endoscopy, 101(5), S423-S424.
  2. De Arrigunaga, J. I., Siddiqui, U., Bonde, A., & Sayana, H. (2024). S2386 Primary Pancreatic Follicular Lymphoma: Insights from a Rare Case. Official journal of the American College of Gastroenterology| ACG, 119(10S), S1704-S1705.
  3. Selzman, J., Bigham, D., Gnecco, J., & Sayana, H. (2024). S2479 Rare Case of Diffuse Large B-cell Lymphoma of the Pancreas. Official journal of the American College of Gastroenterology| ACG, 119(10S), S1753.
  4. Ozguc, F., Kazi, I., Gnecco, J., & Sayana, H. (2024). S5015 Rare Presentation of a Rare Pathology: LinitisPlastica Manifesting with Dysphagia. Official journal of the American College of Gastroenterology| ACG, 119(10S), S3155-S3156.
  5. Patel, S., Kiker, D., Mondal, U., Sayana, H., Saligram, S., Rosenkranz, L., & Han, S. (2024). Safety Parameters for the Use of Holmium: YAG Laser in the Treatment of Biliary Calculi: The Ex-Vivo Model. Medicina, 60(2), 346.
  6. Vinall, A., Loganathan, P., Gajendran, M., Keiser, S., Nazarullah, A., & Sayana, H. (2023). S3103 A B-Wildering Case of Gastrointestinal Bleeding. Official journal of the American College of Gastroenterology| ACG, 118(10S), S2080.
  7. Boregowda, U., Echavarria, J., Umapathy, C., Rosenkranz, L., Sayana, H., Patel, S., & Saligram, S. (2022). Endoscopy versus early surgery for the management of chronic pancreatitis: a systematic review and meta-analysis. Surgical endoscopy, 36(12), 8753-8763.
  8. Han, S., Miley, A., Akshintala, V., Freeman, M. L., Kahaleh, M., Othman, M., Patel, S., Papachristou, G., Raijman, I., Sankey, N., Sayana, H., Singh, V. Tarnasky, P., Trikudanathan, G., Shah, R. & Shah, R. J. (2022). Per-oral pancreatoscopy-guided lithotripsy vs. extracorporeal shock wave lithotripsy for treating refractory main pancreatic duct stones in chronic pancreatitis: Protocol for an open-label multi-center randomized clinical trial. Pancreatology, 22(8), 1120-1125.
  9. Prasad, S., McMillan, N., & Sayana, H. (2022). S3732 A Unique Manifestation of Tuberculosis in the Gut. Official journal of the American College of Gastroenterology| ACG, 117(10S), e2336-e2337.
  10. Gnecco, J., Brown, L. K., Boregowda, U., Abidali, H., Saligram, S., Rosenkranz, L., Patel, S., Haluskza, O., & Sayana, H. (2022). Pancreatic stones and extracorporeal shockwave lithotripsy: a review of the literature. Pancreas, 51(8), 916-922..
  11. Boregowda, U., Moreau, C., Edelson, C., Restrepo, D., Prasad, S., Saligram, S., & Sayana, H. (2022). FULLY COVERED VS UNCOVERED SELF EXPANDABLE METAL STENTS FOR TREATMENT OF MALIGNANT BILIARY OBSTRUCTION: A SYSTEMATIC REVIEW AND META ANALYSIS. Gastrointestinal Endoscopy, 95(6), AB300-AB301.
  12. Restrepo, D. J., Moreau, C., Edelson, C. V., Dev, A., Saligram, S., Sayana, H., & Patel, S. N. (2022). Improving diagnostic yield in indeterminate biliary strictures. Clinics in Liver Disease, 26(1), 69-80.
  13. Mann, R., Boregowda, U., Vyas, N., Gajendran, M., Umapathy, C. P., Sayana, H., Echavarria, J., Patel, S. & Saligram, S. (2021).Current advances in the management of chronic pancreatitis. Disease-a-Month, 67(12), 101225.
  14. Ali, S., Ladak, F. H., & Sayana, H. (2022). S1870 A Case of Biliary Cast Syndrome After Liver Transplantation. Official journal of the American College of Gastroenterology| ACG, 117(10S), e1301-e1302.
  15. Gooch, J., Moreau, C., Fazio, R., Malik, S., & Sayana, H. (2021). S3124 An Unusual Presentation of Breast Cancer in the Gastrointestinal Tract. Official journal of the American College of Gastroenterology| ACG, 116, S1289.
  16. Selover, Z., Malik, M., Botla, K., Moreau, C., Sayana, H., Saligram, S., ... & Rosenkranz, L. (2021, August). The Effect of COVID-19 Pandemic on Self-Reported Procedure Volumes in United States Advanced Endoscopy Programs: A Data Dilemma. In PANCREAS (Vol. 50, No. 7, pp. 1096-1096). TWO COMMERCE SQ, 2001 MARKET ST, PHILADELPHIA, PA 19103 USA: LIPPINCOTT WILLIAMS & WILKINS.
  17. Siddiqui, S., Moreau, C., Rosenkranz, L., & Sayana, H. (2021, August). What's in the Air Y'all?: A Look at Pancreatic Cancer Rates in Growing Urban Centers With High Particulate Matter in Texas. In PANCREAS (Vol. 50, No. 7, pp. 1098-1098). TWO COMMERCE SQ, 2001 MARKET ST, PHILADELPHIA, PA 19103 USA: LIPPINCOTT WILLIAMS & WILKINS.
  18. Brown, L. K., Gnecco, J., Abidali, H., Saligram, S., Rosenkranz, L., Patel, S., ... & Sayana, H. (2021). Pancreatic Stones and Extracorporeal Shockwave Lithotripsy: A Review of the Literature. PRACTICAL GASTROENTEROLOGY, 29..
  19. Boregowda, U., Echavarria, J., Moreau, C., Patel, S. N., Sayana, H., & Saligram, S. (2021). ID: 3527052 ENDOSCOPIC ULTRASOUND-GUIDED GALLBLADDER DRAINAGE VERSUS PERCUTANEOUS TRANSHEPATIC CHOLECYSTOSTOMY FOR ACUTE CHOLECYSTITIS: A SYSTEMATIC REVIEW AND META-ANALYSIS. Gastrointestinal Endoscopy, 93(6), AB213-AB214.
  20. Stolow, E., Moreau, C., Sayana, H., & Patel, S. (2021). Management of non-variceal upper GI bleeding in the geriatric population: an update. Current Gastroenterology Reports, 23(4), 5.
  21. Boregowda, U., Goyal, H., Mann, R., Gajendran, M., Patel, S., Echavarria, J., Sayana, H. & Saligram, S. (2021). Endoscopic management of benign recalcitrant esophageal strictures. Annals of Gastroenterology, 34(3), 287.
  22. Stolow, E. F., Mir, M., Acosta, P., Smith, E. R., Moreau, C., Sayana, H., ... & Rosenkranz, L. (2020, November). Differences in Severity of Biliary Pancreatitis in Hispanics Versus Non-Hispanics Based on CT Imaging Findings. In PANCREAS (Vol. 49, No. 10, pp. 1431-1432). TWO COMMERCE SQ, 2001 MARKET ST, PHILADELPHIA, PA 19103 USA: LIPPINCOTT WILLIAMS & WILKINS.
  23. Alameri, A., Patel, P., Rosenkranz, L., Patel, S., & Sayana, H. (2020). S0019 Opioid Dependence and Outcomes in Total Pancreatectomy With Islet Autotransplantation in Patients With Chronic Pancreatitis. Official journal of the American College of Gastroenterology| ACG, 115, S9.
  24. Aggarwal, P., Lorio, E. A., Brown, L., Abidali, H., & Sayana, H. (2020). S2347 The Case of the Missing Mass: Pancreatic Adenocarcinoma Presenting as Retroperitoneal Fibrosis. Official journal of the American College of Gastroenterology| ACG, 115, S1245.
  25. Gadiparthi, C., Perisetti, A., Sayana, H., Tharian, B., Inamdar, S., & Korman, A. (2020). Gastrointestinal bleeding in patients with severe SARS-CoV-2. Official journal of the American College of Gastroenterology| ACG, 115(8), 1283-1285.
  26. Lorio, E., Patel, P., Rosenkranz, L., Patel, S., & Sayana, H. (2020). Management of hepatolithiasis: review of the literature. Current Gastroenterology Reports, 22(6), 30.
  27. Alameri, A., Patel, P., Abidali, H., Rosenkranz, L., Patel, S. N., & Sayana, H. (2020). Su1450 outcomes of ERCP in patients with acute stroke: a national study. Gastrointestinal Endoscopy, 91(6), AB352.
  28. Kendall, G. A., Berenji, N., Roy, D., Sayana, H., Badin, A., Panday, M. M., & Pillarisetti, J. (2019). Post-operative atrial fibrillation after liver transplantation: rare but beware. Circulation, 140(Suppl_1), A12519-A12519.
  29. Singh, T., Aggarwal, P., Moreau, C., Dominguez, C., Hughston, A., & Sayana, H. (2019). 1558 Diffuse Primary Gastrointestinal Mantle Cell Lymphoma: A Rare Cause of Hematochezia. Official journal of the American College of Gastroenterology| ACG, 114, S866-S867.
  30. Kang, W. D., Dominguez, C., & Sayana, H. (2019). 2097 A Double Whammy: A Case of Anterior Uveitis and Optic Neuritis in Patient With Crohn’s Disease on TNF Inhibitor Therapy. Official journal of the American College of Gastroenterology| ACG, 114, S1169.
  31. Valadez, D., Moreau, C., Foster, J., Rosenkranz, L., Sayana, H., & Patel, S. (2018). Holmium: Yttrium-Aluminum-Garnet Laser Ablation of a Gastrojejunal Anastomotic Stricture With Tumor Ingrowth Into Uncovered Duodenal Stent in a Patient With Roux-en-Y Gastric Bypass: 3071. Official journal of the American College of Gastroenterology| ACG, 113, S1677-S1678.
  32. Haris, M., Moreau, C., Foster, J., Rosenkranz, L., & Sayana, H. (2018). Internal Migration of Lumen-Apposing, Fully Covered Self-Expanding Metal Stent Used for Walled off Pancreatic Necrosis: An Approach for Retrieval: 1265. Official journal of the American College of Gastroenterology| ACG, 113, S727.
  33. Leeds, S. G., Sayana, H., Handren, E. A., & Swanstrom, L. L. (2017). Tu1224 Mind the Gap: Current Treatment Alternatives for Gerd Patients Failing Medical Treatment and Not Ready for a Fundoplication. Gastrointestinal Endoscopy, 85(5), AB591.
  34. Sayana, H. P., Mondal, U., Malhi, G., Henkes, D. N., Vanderveldt, H., Rosenkranz, L., & Patel, S. (2015). Tu1545 Diagnostic Utility of Volumetric LASER Endo-Microscopy (VLE) Surveillance in Patients With Barrett's Esophagus in Routine Clinical Practice. Gastrointestinal Endoscopy, 81(5), AB504.
  35. Mondal, U., Frazier, R., Sayana, H. P., Malhi, G., Malik, S., Henkes, D. N., ... & Rosenkranz, L. (2015). Tu2034 FISH, Stents, and Cancer. Gastroenterology, 148(4), S-965.
  36. Sayana, H. P., Andrews, H., Gutta, A., Narsingam, S., Simon, S., & Bdair, F. (2014). Mo1558 Diagnostic Yield of CT Enterography in Evaluation of Obscure GI Bleeding in Comparison With Small Bowel Capsule Endoscopy in Clinical Practice. Gastrointestinal Endoscopy, 79(5), AB483.
  37. Sayana, H. P., Abuamr, K. M., Shamim, S., Ghanimah, A. M. A., Likhitsup, A., Yousef, O., Simon, S., Jonnalagadda, S., & Clarkston, W. K. (2014). Su1592 The Risk of Gastrointestinal Endoscopy in the Setting of Recent Acute Myocardial Infarction. Gastrointestinal Endoscopy, 79(5), AB332-AB333.
  38. Sayana, H. P., Faisal, M. F., Jacob, D., Simon, S., & Jonnalagadda, S. (2014). Su1605 Utility of Liver Biochemistry Trends in the Evaluation of Intermediate Probability of Choledocholithiasis. Gastrointestinal Endoscopy, 79(5), AB337.
  39. Sayana, H. P., Faisal, M. F., Jacob, D., Simon, S., & Jonnalagadda, S. (2014). Su1646 Diagnostic Yield of Magnetic Resonance Cholangiopancreatography (MRCP) in Patients With Intermediate Probability of Choledocholithiasis. Gastrointestinal Endoscopy, 79(5), AB352.
  40. Sayana, H. P., Simon, S., & Jonnalagadda, S. (2014). Su1681 Timing of Prophylactic Pancreatic Duct Stent Placement Can Affect the Risk of Post ERCP Pancreatitis in High-Risk Patient Population. Gastrointestinal Endoscopy, 79(5), AB364.
  41. Sayana, H. P., Simon, S., & Jonnalagadda, S. (2014). Su1687 Efficacy of Rectal Indomethacin in Combination With Prophylactic Pancreatic Duct Stent in Prevention of Post ERCP Pancreatitis in High-Risk Patient Population. Gastrointestinal Endoscopy, 79(5), AB366.
  42. Sayana, H., Yousef, O., & Clarkston, W. K. (2013). Massive upper gastrointestinal hemorrhage due to invasive hepatocellular carcinoma and hepatogastric fistula. World Journal of Gastroenterology: WJG, 19(42), 7472.
  43. Sayana, H., Sadeddin, E., & Yousef, O. (2013). Dysphagia during Pregnancy: Severe Achalasia Diagnosis in the Third Trimester of Pregnancy: 692. Official journal of the American College of Gastroenterology| ACG, 108, S206.
  44. Sayana, H., Andrews, H., Albadarin, S., El-Halawany, H., An-Lin, C., Simon, S., ... & Alba, L. (2013). Efficacy of Steroids or Pentoxifylline in the Treatment of Severe Alcoholic Hepatitis in Clinical Practice: A Retrospective Study: 464. Official journal of the American College of Gastroenterology| ACG, 108, S137.
  45. Pillarisetti, J., Duthuluru, S., Sayana, H., Goucher, H. G., Patel, A., Biria, M., Vacek, J., Berenbom, L., Bommana, S., Nath, J., Wiley, M., Nangia, A., Di Biase, L., Natale, A., Reddy, M., Dawn, B., & Lakkireddy, D. (2013). Age-dependent impact of fluoroscopic radiation on the gender of off-spring: an international survey of cardiologists. Journal of Atrial Fibrillation, 5(6), 801.
  46. Sayana, H. P., Jacob, D., Faisal, M. F., Cheng, A. L., & Jonnalagadda, S. S. (2013). Su1594 Diagnostic Utility of Magnetic Resonance Cholangiopancreatography (MRCP) in Patients With Intermediate Probability of Choledocholithiasis. Gastroenterology, 5(144), S-1068.
  47. Sayana, H. P., Jacob, D., Faisal, M. F., Cheng, A. L., & Jonnalagadda, S. S. (2013). Su1595 Trends in Liver Biochemistries-Are They a Better Predictors Than MRCP in Evaluation of Patients With Intermediate Probability of Choledocholithiasis?. Gastroenterology, 5(144), S-1068.
  48. Sayana, H., Yousef, O., Al-Zoubi, R., & Sadeddin, E. (2012). Rectal Ulcer: Can it be a Cause of Massive Lower GI Bleeding?: 1221. Official journal of the American College of Gastroenterology| ACG, 107, S486.
  49. Wani, S., Sayana, H., Shaheen, N., & Sharma, P. (2011). Response to Desaiet al. Official journal of the American College of Gastroenterology| ACG, 106(7), 1365-1366.
  50. Wani, S., Sayana, H., Shaheen, N., & Sharma, P. (2010). CONFLICT OF INTEREST. Clin Gastroenterol Hepatol, 8, 235-44.
  51. Wani, S., Sayana, H., & Sharma, P. (2010). Endoscopic eradication of Barrett's esophagus. Gastrointestinal endoscopy, 71(1), 147-166.
  52. Sayana, H., Hamid, F., Nachnani, J., & Sadeddin, E. (2009). Predictors of Difficult or Failed Endoscopic Retrograde Cholangiopancreatography Cannulation in Clinical Practice: 160. Official journal of the American College of Gastroenterology| ACG, 104, S63-S64.
  53. Pillarisetti, J., Patel, A., Boc, K., Bommana, S., Sawers, Y., Vanga, S., Sayana, H., Chen, W., Nath, J., Vacek, J. & Lakkireddy, D. (2009). Evolution of paroxysmal atrial fibrillation to persistent or permanent atrial fibrillation: predictors of progression. Journal of atrial fibrillation, 2(1), 191..
  54. Wani, S. B., Cook, M. B., Hall, M., Sayana, H., Bansal, A., Rastogi, A., Singh, M., Singh, V., & Sharma, P. (2009). T1876 Has the Incidence of Esophageal Adenocarcinoma (EAC) in Barrett's Esophagus (BE) Increased? A Time-Trend Analysis. Gastroenterology, 136(5), A-591.
  55. Wani, S. B., Cook, M. B., Hall, M., Sayana, H., Rastogi, A., Bansal, A., ... & Sharma, P. (2009). T1930 Is There a Difference in the Incidence of Cancer in Barrett's Esophagus (BE) Patients from the USA Versus UK?. Gastroenterology, 136(5), A-603.
  56. Wani, S., Puli, S. R., Shaheen, N. J., Westhoff, B., Slehria, S., Bansal, A., Rastogi, A., Sayana, H. & Sharma, P. (2009). Esophageal adenocarcinoma in Barrett's esophagus after endoscopic ablative therapy: a meta-analysis and systematic review. Official journal of the American College of Gastroenterology| ACG, 104(2), 502-513.
  57. Sayana, H., Wani, S. B., Keighley, J. D., Bansal, A., Rastogi, A., Mathur, S. C., & Sharma, P. (2008). W1878 Endoscopic Mucosal Resection (EMR) As a Diagnostic Tool In Barrett's Esophagus (Be) Patients with High-Grade Dysplasia (HGD) and Early Esophageal Adenocarcinoma (EAC): A Systematic Review. Gastroenterology, 134(4), A-724.
  58. Sayana, H., Wani, S., & Sharma, P. (2007). Esophageal adenocarcinoma and Barrett's esophagus. Minerva Gastroenterologica e Dietologica, 53(2), 157-169.
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