Fellow Publications

Ali Abbas

Abbas A, Reddy K, Gudleski G, Rani A. The Barriers to Colorectal Cancer Screening — Time for Colonoscopy Super Pac. American Journal of Gastroenterology. 2013; 108(1).

Lackner J, Gudleski G, Brenner D, Keefer L, Dewanwala A, Sitrin M, Baum C, Radziwon C, Krasner S, Quinton S, Iacobucci G, Katz, L, Abbas A. Testing the Relationship Between Psychological Factors and Post Prandial Symptoms in Moderate to Severe IBS Patients: Are We Approaching the Boundaries of the Biopsychosocial Model? Gastroenterology. 2013; 144(5).

Nasser E, Abbas A, Raad D, Burkard P. Unusually Elevated CA19-9 in Choledocholithiasis. Practical Gastroenterology. 2013.

Lackner J, Gudleski G, Brenner D, Keefer L, Dewanwala A, Sitrin M, Baum C, Radziwon C, Krasner S, Quinton S, Iacobucci G, Katz, L, Abbas A. Testing the Relationship Between Psychological Factors and Post Prandial Symptoms in Moderate to Severe IBS Patients: Are We Approaching the Boundaries of the Biopsychosocial Model? Gastroenterology. 2013; 144(5).

Munjal S, Dewanwala A, Sunkavalli M, Rani A. Case Series of Extended Upper Endoscopy Revealing Small Bowel Causes of Obscure Gastrointestinal Bleeding.   American College of Gastroenterology. 2013

Munjal S, Dewanwala A, Sunkavalli M, Rani A. Metastatic Non-Small Cell Lung Carcinoma: A Rare Cause of Small Bowel Bleeding. American College of Gastroenterology. 2013.

Swapnil Munsaf

Munsaf S, Rani A. Significance of Incidental Thickening of the Upper GI Tract on Computed Tomography after Esophagogastroduodenoscopy. Digestive Disease Week. 2013. Presentation.

Eiad Nassar

Nasser E, Abbas A, Raad D, Burkard P. Unusually Elevated CA19-9 in Choledocholithiasis. Practical Gastroenterology. 2013.

Nassar E, Yacoub R, Raad D, Hallman J, Novak J. Foreign Body Endoscopy Experience of a University Based Hospital. Gastroenterology Research. 2013; 6(1).

Jamil S, Tran H, Sunkavalli M, Rani A. Clinical Utility of Fecal Occult Blood Test in the Inpatient Setting. American College of Physicians. 2013.

Munjal S, Dewanwala A, Sunkavalli M, Rani A. Case Series of Extended Upper Endoscopy Revealing Small Bowel Causes of Obscure Gastrointestinal Bleeding. American College of Gastroenterology. 2013.

Munjal S, Dewanwala A, Sunkavalli M, Rani A. Metastatic Non-Small Cell Lung Carcinoma: A Rare Cause of Small Bowel Bleeding. American College of Gastroenterology. 2013.

Sunkavalli M, Mandava S, Tran H, Rani A. Predictors of Upper Endoscopic Findings in Chronic Kidney Disease Suspected of an Upper Gastrointestinal Bleed. American College of Gastroenterology. 2013.

Ali Abbas

Abbas A, Nasser E, Raad D, Burkard P. Does This Patient Have Pancreatic-Biliary Cancer? American College of Gastroenterology. 2012.

Akriti Dewanwala

Acharjee S, Dewanwala A, Piccone AL, Iyer V. Anticoagulation for Atrial Fibrillation After Coronary Artery Bypass Grafting: How Soon is Soon Enough? Journal of Cardiovascular Surgery. 2012; 53(4).

Grover S, Kastrinos F, Steyerberg E, Cook E, Dewanwala A, Burbidge L, Wenstrup R, Syngal S. Prevalence and Phenotypes of APC and MUTYH Mutations in Patients with Multiple Colorectal Adenomas. The Journal of the American Medical Association. 2012; 308(5).

Paresh Kamat

Eiad Nassar

Abbas A, Nasser E, Raad D, Burkard P. Does This Patient Have Pancreatic-Biliary Cancer? American College of Gastroenterology. 2012.

Nassar E, Samuel D, Sitrin M. Celiac Disease: A Case of Duodenal Scalloping in Patient with Abnormal Liver Function Test. American Journal of Gastroenterology. 2012; 107S(129).

Nassar E, Yacoub R, Bdair F, Pomakov O, Mehboob S. A Prospective Evaluation of Same Day Bidirectional Endoscopy for Occult Bleeding: A Descriptive Analysis.  American Journal of Gastroenterology. 2012.

Raad D, Adib K, Yacoub R, Choufeh L, Nassar E. Are We Increasing the Risk of Stroke by Adding Proton Pump Inhibitors to Clopidogrel? A Systematic Review and Meta-Analysis. American College of Physicians. 2012.

Schiff M, McCarthy P, Nassar E. Case Study Number 17. Graft Versus Host Disease. In Capsule Endoscopy by Case Study. Ed. DL Raines. Ambris Books. 2012.

Kaunteya Reddy

Reddy K, Buitrago S, Curtin L, Tennant B, Ashton E, Iyer R. Characterization of the Woodchuck Model to Study Antiangiogenic Therapies Against Hepatocellular Carcinoma (HCC). Gastroenterology. 2012; 142(5).

Reddy K. Validating the Woodchuck Model for Studying Anti-Angiogenic Therapies for Human Hepatocellular Carcinoma (HCC). GI American Society of Clinical Oncology. 2012.

Hoan Tran

Abbas A, Hutson A, Khorana A, Iyer R. Vitamin D’s Role in Pathogenesis of Thromboembolism: Is this an Epiphenomenon? American College of Gastroenterology. 2011.

Abbas A, Nehme E, Fakih. Single-Agent Paclitaxel in Advanced Anal Cancer After Failure of Cisplatin and 5-Fluorouracil Chemotherapy. Anticancer Research. 2011; 31(12).

Vishal Bhagat

Meca S, Hallman J, Samuel S. Partially Migrated Gastric Ring After Transected Banded Vertical Gastric Bypass. Gastrointestinal Endoscopy. 2011; 73(5).

Nasser E, Pomakov O, Hallman J, Yacoub R, Mehboob S. The Outcome of Hepatitis C Treatment at an Urban Veterans Affair Medical Center. American Journal of Gastroenterology. 2011; 106.

Bdair F, Nasser E, Pomakov O. Risk of Esophageal Malignancy in VA Population with Squamous Cell Cancer of the Head and Neck. Gastroenterology. 2011; 140(5).

Nasser E, Pomakov O, Hallman J, Yacoub R, Mehboob S. The Outcome of Hepatitis C Treatment at an Urban Veterans Affair Medical Center. American Journal of Gastroenterology. 2011; 106.

Nassar E, Samuel S. Fellow Corner: Pancreatic Pseudocyst Case Report. Practical Gastroenterology. 2011.

Krishdeep Chadha

Chadha K, Schiff M, Sitrin M, Wilding G, Nava H. Clinical Outcomes of Using a Conservative Approach of Late Esophageal Stent Placement in Palliation of Malignant Dysphagia. Journal of Gastrointestinal Cancer. 2010; 41(3).

Chadha K, Thatikonda C, Schiff M, Nava H, Sitrin M. Outcomes of Percutaneous Endoscopic Gastrostomy Tube Placement Using a T-fastener Gastropexy Device in Head and Neck and Esophageal Cancer Patients. Nutrition in Clinical Practice.2010; 25(6).

Alok Gupta

Camilleri M, Thorne N, Ringel Y, Hasler W, Kuo B, Esfandyari T, Gupta A, Scott S, McCallum R, Parkman H, Soffer E, Wilder G, Semler J, Rao S. Wireless pH-Motility Capsule for Colonic Transit: Prospective Comparison with Radiopaque Markers in Chronic Constipation. Neurogastroenterology and Motility. 2010; 22(8).

Gupta A, Sitrin M. Concomitant Therapy of Crohn’s Disease and Hepatitis C with Budesonide and Antivirals. Gastroenterology and Hepatology. 2010; 6(8). 

Roy Yen 

Genaddiy Bakis

Bakis G, Saadah K, Morales M, Duffey M. Secretory Epithelial Cell KCNQ1/Kcne3 K+ Channels are Inhibited by Zn2+. Gastroenterology. 2009; 136.

Duffey M, Bakis G, Saadah K, Krishnaswamy R, Cran J. Pore block of KCNQ1 Channels by Zn2+ is Modulated by Ancillary Subunits. Biophysical Journal. 2009; 96(3).

Nasser E, Bakis G, Abo Khamis M, Mehboob S. Same Day Bidirectional Outpatient Endoscopy for Suspected Gastroenterology Bleeding at Veterans Affairs Tertiary Referral Center. American Journal of Gastroenterology. 2009; 104.

Vishal Bhagat

Bhagat V, Mindikoglu A, Nudo C, Schiff E, Tzakis A, Regev A. Outcomes of Liver Transplantation in Patients with Cirrhosis Due to Nonalcoholic Steatohepatitis versus Patients with Cirrhosis Due to Alcoholic Liver Disease. Liver Transplantation. 2009; 15(12).

Bhagat V, Sitrin M. “Perioperative Nutrition Support.” Advanced Therapy of Inflammatory Bowel Disease. Ed. T Bayless and S Hanauer. Shelton: People's Medical Publishing House, 2009.

Amjad Mreyoud

Mreyoud A, Khamis M, Nag N, Jallu S, Bdair F, Mador M, Mehboob S. The Potential Risk of Sleep Apnea in Patients Undergoing Gastrointestinal Procedures Under Conscious Sedation. Gastroenterology. 2009; 136(5).

Mreyoud A, Reddy K, Gopalakrishnan S, Gupta V, Yen R, Rani A. Gender Preferences in Screening Colonoscopy. American Journal of Gastroenterology. 2009; 104.

Mreyoud A, Rozov I, Moore J, Wilding G, Khawam E, Lackner J, Semler J, Sitrin M. Assessment of Drug Effects on Gastric Emptying and Contractility Using Wireless Capsule Manometry. Gastroenterology. 2009; 136(5).

Pahk A, Baichi M, Mehboob S. Does a Negative Colonoscopy for FOBT Positivity Predict the Need for Future Esophagogastroduodenoscopy or Upper GI Series. Gastroenterology. 2009; 136(5).

Sunkavalli M, Yen R, Sitrin D, Pahk A, Sitrin M, Pomakov O. Increased Risk of Proximal, But Not Distal Colonic Adenomas with Obesity. Gastroenterology. 2009; 136(5).

Genaddiy Bakis

Mreyoud A, Pahk A, Bakis G, Pomekov O, Baichi M, Mehboob S. A Prospective Evaluation of Same Day Bidirectional Endoscopy for Occult Bleeding. American College of Gastroenterology. 2008.

Chadha K, Schiff M, Wilding G, Nava H. Clinical Outcomes of Esophageal Stent Placements in Patients with Malignant Dysphagia. Gastrointestinal Cancers Symposium. 2008.

Hasler W, Rao S, Koch K, Sarosiek I, McCallum R, Lackner J, Parkman H, Chey W, Saad R, Kuo B, Miller C, Sitrin M, Katz L, Wilding G, Semler J. Wireless Capsule Quantification of Region-Specific Gastrocolonic Response and Sleep Inhibition of Colon Motor Activity in Unprepared Colons of Humans with Normal Colonic Transit. Digestive Disease Week. 2008.

Hassler W, Saad R, Rao S, Katz L, Parkman H, Koch K, McCallum R, Kuo B, Sarosiek I, Sitrin M, Lackner J, Wilding G, Miller C, Semler J, Chey W. Heightened Motor Activity Measured by a Wireless Capsule in Unprepared Colons of Patients with Complaints of Constipation: Relation to Colon Transit and IBS. Gastroenterology. 2008; 134.

Kloetzer L, Gaman A, McCallum R, Koch K, Sitrin M, Chey W, Lackner J, Katz L, Wilding G, Parkman H, Sarosiak I, Miller C, Saad R, Rao S, Semler J, Hasler W, Kuo B. Characterization of Pressure Patterns in Distal Colonic and Rectal Motility Activity Between Healthy Volunteers and Patients with Dyssynergic Defecation Using an Ambulatory Capsule, SmartPill. Digestive Disease Week. 2008.

Kloetzer L, Gaman A, Napadow V, McCallum R, Koch K, Sitrin M, Chey W, Lackner J, Katz L, Wilding G, Parkman H, Sarosiak I, Smout A, Hasler W, Semler J, Kuo B. Spectral Analysis of Contractile Frequency in the Ileum and Proximal Colon:  Characterization of Motility Patterns Using an Ambulatory Capsule, SmartPill. Digestive Disease Week. 2008.

Saad RJ, Chey W, Rao S, Hasler W, Katz L, Koch K, Kuo B, Lackner J, Parkman H, McCallum R, Miller C, Sarosiak I, Semler J, Sitrin M, Wilding G. How Well Does Stool Form and Stool Frequency Correlate with Colonic and Whole Gut Transit in Healthy Controls and Constipated Patients. Digestive Disease Week. 2008.

Mreyoud A, Mehboob S. White Bile in Malignant Biliary Obstruction. American College of Gastroenterology. 2008.

Mreyoud A, Pahk A, Bakis G, Pomekov O, Baichi M, Mehboob S. A Prospective Evaluation of Same Day Bidirectional Endoscopy for Occult Bleeding. American College of Gastroenterology. 2008.

Yen R, Mreyoud A, Rani A. Effect of Female Gender and Hysterectomy on Colonoscopy Procedure Time. American Journal of Gastroenterology. 2008.

Mreyoud A, Pahk A, Bakis G, Pomekov O, Baichi M, Mehboob S. A Prospective Evaluation of Same Day Bidirectional Endoscopy for Occult Bleeding. American College of Gastroenterology. 2008.

Yen R, Pahk A, Baichi M, Pomakov O, Sitrin M. Screening Colonoscopy in Patients Older than 80 Years. American College of Gastroenterology. 2008.

Samuel S, Alawneh A, Sitrin M. HRP 12, the Murine Member of the Highly Conserved But Enigmatic YERO57c/Yjgf/UK114 Family, Interacts with Mitochondrial and Secreted Liver Proteins in the Yeast-Based Two-Hybrid System. Gastroenterology. 2008; 134.

Samuel S, Sitrin M. Vitamin D’s Role in Cell Proliferation and Differentiation. Nutrition Reviews. 2008; 66.

Ahmed A, Yen R, Rani A. Hepatocellular Carcinoma in Patient Co-Infected with HIV, HBV, and HCV. American College of Gastroenterology. 2008.

Moore J, Baichi M, Yen R, Mehboob S, Sitrin M. Prognosis of Angiodysplasia Found on Capsule Endoscopy for Obscure Bleeding. Digestive Disease Week. 2008.

Yen R, Mreyoud A, Rani A. Effect of Female Gender and Hysterectomy on Colonoscopy Procedure Time: A Prospective Study. American College of Gastroenterology. 2008.

Yen R, Pahk A, Baichi M, Pomakov O, Sitrin M. Screening Colonoscopy in Patients Older than 80 Years. American College of Gastroenterology. 2008.

Yen R, Pomakov O, Mehboob S, Mehboob S, Sitrin M. Ethnic Differences in Findings on Screening Colonoscopy. Gastroenterology. 2008; 134.

Yen R, Pomakov O, Sitrin M. Relationship of Proximal Hyperplastic Polyps to Adenomas on Screening Colonoscopy. Gastroenterology 2008; 134. 

Bakis G, Baichi M. Rare Case of Lung Cancer Metastatic to the Colon Incidentally Discovered at Screening Colonoscopy. American College of Gastroenterology. 2007.

Dolganiuc A, Norkina O, Kodys K, Catalano D, Bakis G, Marshall C, Mandrekar P, Szabo G. Viral and Host Factors Induce Macrophage Activation and Loss of Toll-Like Receptor Tolerance in Chronic HCV Infection. Gastroenterology. 2007; 133(5).

Javle M, Shah P, Yu J, Bhagat V, et al. Cystic Pancreatic Tumors (CPT):  Predictors of Malignant Behavior. Journal of Surgical Oncology. 2007; 95(3).

Bhagat V, Foont J, Schiff E, Regev A. Spontaneous Clearance of Hepatitis C Virus After Liver Transplantation in Two Patients Coinfected with Hepatitis C Virus and Human Immunodeficiency Virus. Liver transplantation. 2007; 14(1). 

Bhagat V, Andersen V, Sitrin M. Role of Vitamin D Receptor in Vitamin D3-mediated Calbindin D(9K) expression in Human Colon Cancer (CaCo-2) Cells. Digestive Disease Week. 2007.

Gibbs J, Rajput A, Chadha K, Douglas W, Hill H, Nwogu C, Nava H, Sabel M. The ChangingPprofile of Esophageal Cancer Presentation and its Implicatation for Diagnosis. Journal of the National Medical Association. 2007; 99(6).

Krishdeep S. Chadha, Shahid Mehboob. Diffuse Hemangiomatosis of the Colon, Skin and Liver. American College of Gastroenterology. 2007. 

Cheng H, Nasser E, Khawam E, Andeersen V, Sitrin M. Protein Kinase C Alpha and p21waf1 Expression are Increased in the Remnant Jejunum After Ileal Resection in the Rat. Gastroenterology. 2007; 132.

Cheng H, Sitrin M, Satchidanand S, Novak J. Colonic Squamous Cell Carcinoma in Ulcerative Colitis: Report of a Case and Review of the Literature. Canadian Journal of Gastroenterology. 2007; 21.

Yen R, Prabhu A, Mahl T. The Effect of Statins on Viral Load in Patients with Chronic Hepatitis C. American Journal of Gastroenterology. 2007; 102(S2).

Yen R, Parabhu A, Mahl TC. The Effect of Statins on PEG-Interferon/Ribavirin Treatment for Chronic Hepatitis C. American Journal of Gastroenterology, 2007; 102(S2).

Yen R, Pomakov M, Abdal Raheem S, Sitrin M, Baichi M. Screening Colonoscopy in Patients Older than 80 Years. American College of Gastroenterology. 2007.

Yen R, Pomakov O, Abdal Raheem S, Sitrin M, Mehboob S. Ethnic Differences in Findings on Screening Colonoscopy. American College of Gastroenterology. 2007.

Dolganiuc A, Bakis G, Kodys K, Mandrekar P, Szabo G. Acute Ethanol Treatment Modulates Toll-Like Receptor-4 Association with Lipid Rafts. Alcoholism, Clinical and Experimental Research. 2006; 30(1).

Dolganiuc A, Chang S, Kodys K, Mandrekar P, Bakis G, Cormier M, Szabo G. Hepatitis C Virus (HCV) Core Protein-Induced, Monocyte-Mediated Mechanisms of Reduced IFN-alpha and Plasmacytoid Dendritic Cell Loss in Chronic HCV Infection. Journal of Immunology. 2006; 177(10).

Krishna V, Mohender M, Yen R, Mahl T. Effect of Statin Use in Patients with Chronic Hepatitis C. Hepatology. 2006; 44.

Yen R, Dickson R. Case Report of Lamivudine Resistant Hepatitis B Virus Infection Post Liver Transplantation from a Hepatitis B Core Antibody Donor. American Journal of Transplantation, 2006; 6(5).

Bahadur S, Shaukat A, Gibbs J, Litwin A, Nava H, Melnyk M, Javle M. Cisplatin and Gemcitabine for Small Cell Carcinoma of the Gall Bladder. American Journal of Clinical Oncology. 2005; 28(4).

Bahadur S, Sitrin M, Kuo B, Viazis N, Semmler J, Lackner J, Chundi G, Katz L.  Assessment of Upper GI Motility in Healthy Subjects Using Ambulant Capsule Technology. Digestive Disease Week. 2005.

Bahadur S, Sitrin M. Screening Colonoscopy at the Western New York Veterans Affairs Administration Medical Center. Digestive Disease Week. 2005.

Kuo B, Urma D, Koch K, Sitrin M, Bahadur S, Lackner J, Katz W, Chey W, Chund G, Semler J, Parkman H. Correlation Between Gastric Emptying Times of an Indigestible Capsule and Scintigraphic Meal. Neurogastroenterology and Motility. 2005; 17(4).

Kuo B, Viazis, Bahadur S, Sitrin M, Lacker J, Semler J. Non-Invasive Simultaneous Measurement of Intra-Luminal pH and Pressure: Assessment of Gastric Emptying and Upper GI Manometery in Healthy Subjects. American Motility Society. 2004.

Urma D, Parkman H, Koch K, Sitrin M, Bahadur S, Lackner J, Katz L, Chey W, Motott J, Semler J, Kuro B. Postprandial Small Intestinal Motility Response Recording with a Wireless Capsule Technology. Neurogastroenterology and Motility. 2005; 17(4).

Yen R, Krishna M, Dickson R. “The Effect of HBV Core Ab-Positive Donors on Patients Undergoing Liver Transplantation for End Stage Liver Disease Due to HCV Infection.” American Journal of Transplantation. 2005; 5(11).

Yen R, Zern M, Wu J. Trends in Chemotherapy Research: “Molecular Therapy for Hepatic Fibrosis.” Ed. Margaret Weber. New York: Nova Science Publishers, Inc. 2005.

Cheng H, Cook M, Sitrin MD. Image of the Month: Gallstone Ileus. Gastroenterology. 2004. 127(3).

Akl E, Izuchukwu I, El-Dika S, Fritsche L, Kunz R, Schunemann H. Integrating an Evidence-Based Medicine Rotation into an Internal Medicine Residency Program.  Academic Medicine. 2004; 79(9).

Devereaux P, Choi P, El-Dika S, Bhandari M, Montori V, Schunemann H, Garg A, Busse J, Heels-Ansdell D, Ghali W, Manns B, Guyatt G. An Observational Study Comparing what Authors Report in Randomized Controlled Trial Publications with what they Subsequently State on Direct Contact. Journal of Clinical Epidemiology. 2004; 57(12).

Fallone C, Guyatt G, Armstrong D, Wiklund I, Degli’innocenti A, Heels-Ansdell D, Barkun A, Chiba N, Van Zanten V, El-Dika S, Austin P, Tanser L, Schunemann H.  Do Physicians Correctly Assess Patient Symptom Severity in Gastroesophageal Reflux Disease. Alimentary Pharmacology and Therapeutics. 2004; 20(10).

Schunemann H, Armstong D, Degli’innocenti A, Wiklund I, Fallone C, Tanser L, Van Zaaten V, Heels-Ansdell D, El-Dika S, Chiba N, Barkun A, Austin P, Guyatt G.  A Randomized Multi-Center Trial to Evaluate Simple Utility Elicitation Techniques in Patients with Gastro Esophageal Reflux Disease. Medical Care. 2004; 42(11).

Kohli S, El-Solh A. Characteristics of Patients with Acute Upper Gastrointestinal (UGI) Bleeding Requiring Mechanical Ventilation (MV) for Urgent Upper Endoscopy. Digestive Disease Week. 2003.

Kohli S, El-Solh A. A Comparison of Severity of Illness Scoring Systems for Patients with Liver Cirrhosis Presenting with Acute Upper Gastrointestinal Bleeding. Digestive Disease Week. 2003.

Singh P, Gibbs J, Corasanti J, Harvey S, Saxena R, Martinick M. Urokinase Type Plasminogen Activator (u-PA) is a Predictor of Malignancy in Cytologic Brushings Obtained at Endoscopic Retrograde Cholangio-Pacreatography (ERCP). American College of Gastroenterology. 2003.

Singh P, Raiput A, Cheney R, Rodriquez-Bigas M. Serrated Adenomas: A Novel Pathway to Colon Carcinogenesis. American College of Gastroenterology. 2003.