Positions

Overview

  • Dr. Sugandha is a Clinical Associate Professor of Medicine, Division of Gastroenterology. He completed a Bachelors of Medicine and Surgery at Madras University in India and then a fellowship in Internal Medicine specializing in Gastroenterology at Christian Medical College in Vellore, India. Between 2000 and 2004 he was a Consultant in the Department of Gastroenterology at Christian Medical College. In 2005 he became a Staff Gastroenterologist at the University Hospital of Basel, Switzerland, until he joined the UAB in 2008.

    He is Board certified in Internal Medicine and Gastroenterology. He directs the UAB complicated Barrett’s esophagus and early esophageal cancer program. His clinical interests include esophageal and small bowel disorders. He performs radiofrequency ablation, deep enteroscopy, advanced endoscopic imaging, screening for colorectal cancer, endoscopic mucosal resection and therapies for GI bleeding. His research focuses on endoscopic treatment outcomes of Barrett’s esophagus and obscure GI bleeding and he collaborates with scientists and physicians in cell biology and mucosal immunology to better understand esophageal pathobiology. In addition, he oversees research projects with residents and fellows within the GI division
  • Selected Publications

    Academic Article

    Year Title Altmetric
    2022 A Stubborn Fistula: Successful Closure of a Colopancreatic Fistula With a Flexible Endoscope Over-the-Scope ClipAmerican Journal of Gastroenterology.  117:1561. 2022
    2022 Peutz-Jeghers polypectomy in the small bowel using ligate-and-let-go techniqueEndoscopy.  54:E558-E559. 2022
    2022 Bedside Live-View Capsule Endoscopy in Evaluation of Overt Obscure Gastrointestinal Bleeding -A Pilot Point of Care Study.Digestive Diseases: clinical reviews2022
    2022 Direct percutaneous endoscopic jejunostomy tube placement in patients post Roux-en-Y gastric bypass, a single tertiary care center experience.Endoscopy International Open.  10:E1282-E1290. 2022
    2022 Role of balloon enteroscopy for obscure gastrointestinal bleeding in those with surgically altered anatomy: A systematic review.World Journal of Gastrointestinal Endoscopy.  14:434-442. 2022
    2022 Cecal Bascule: A Flip for the WorseAmerican Journal of Gastroenterology.  117:1032. 2022
    2022 The misclassification of gastric antral vascular ectasia. 2022
    2022 FIRST US EXPERIENCE OF A NEW NOVEL DISPOSABLE DUODENOSCOPE FOR ERCP IN LIVER TRANSPLANT RECIPIENTSGastrointestinal Endoscopy.  95:ab335-ab336. 2022
    2022 PREDICTIVE FACTORS OF GASTROINTESTINAL BLEED FOLLOWING DOUBLE BALLOON ENDOSCOPY IN THOSE WITH SURGICALLY ALTERED ANATOMY FROM A LARGE TERTIARY CENTER COHORTGastrointestinal Endoscopy.  95:ab57. 2022
    2022 RESULTS WITH A NEW SINGLE-USE DUODENOSCOPE IN NON-EMERGENT ERCPSGastrointestinal Endoscopy.  95:ab330-ab331. 2022
    2022 SAFETY AND EFFICACY OF DIRECT PERCUTANEOUS ENDOSCOPIC JEJUNOSTOMY TUBE PLACEMENT COMPARED WITH SURGICAL JEJUNOSTOMY - A TERTIARY CARE ANALYSIS.Gastrointestinal Endoscopy.  95:ab440-ab441. 2022
    2022 THE IMPACT OF ANTICOAGULATION ON GASTROINTESTINAL BLEEDING FOLLOWING DOUBLE BALLOON ENTEROSOCOPY AT A TERTIARY MEDICAL CENTERGastrointestinal Endoscopy.  95:ab108-ab109. 2022
    2022 Su1074: VACCINATION IS ASSOCIATED WITH DECREASED MORTALITY IN PATIENTS WITH GI BLEEDING AND COVID INFECTIONGastroenterology.  162:s-490. 2022
    2022 Tu1167: DIVERGENT GENE SIGNATURES IN BARRETT'S ESOPHAGUS EPITHELIAL STEM CELLS DURING DYSPLASIAGastroenterology.  162:s-333. 2022
    2022 DCZ0415, a small-molecule inhibitor targeting TRIP13, inhibits EMT and metastasis via inactivation of the FGFR4/STAT3 axis and the Wnt/β-catenin pathway in colorectal cancerMolecular Oncology.  16:1728-1745. 2022
    2022 Enterocutaneous fistula closure using a balloon-assisted enteroscope preloaded with an over-the-scope clip - Narrowing the gapEndoscopy.  54:E158-E159. 2022
    2022 Videoconference microscopy is a reliable alternative to conventional microscopy in the evaluation of Barrett's esophagus: Zooming into a new eraDiseases of the Esophagus.  35. 2022
    2022 Validation of the Orlando Protocol for endoscopic management of pancreatic fluid collections in the era of lumen-apposing metal stentsDigestive Endoscopy.  34:612-621. 2022
    2022 Gastrointestinal Manifestations of COVID-19 Infection: Clinicopathologic Findings in Intestinal Resections Performed at Single InstitutionFrontiers in Medicine.  9. 2022
    2022 Prevalence of metabolic syndrome in cirrhotics with gastric antral vascular ectasiaDiabetes and Metabolic Syndrome: Clinical Research and Reviews.  16. 2022
    2022 Small bowel melanoma: A double balloon enteroscopy case seriesEndoscopy2022
    2021 S1769 Deeply Infiltrating Endometriosis Masquerading as a Sigmoid AdenomaAmerican Journal of Gastroenterology.  116:s783-s783. 2021
    2021 S2012 Endoscopic Management of Bouveret Syndrome With Lithotripsy and Roth Net RemovalAmerican Journal of Gastroenterology.  116:s876-s876. 2021
    2021 S2013 Peutz-Jeghers Polypectomy in the Small Bowel Using a "Ligate-and-Let-Go" TechniqueAmerican Journal of Gastroenterology.  116:s876-s876. 2021
    2021 S2215 Metastatic Melanoma and Small Bowel Intussusception: A Case ReportAmerican Journal of Gastroenterology.  116:s947-s948. 2021
    2021 S3375 Utility of Double Balloon Enteroscopy in Patients with Orthotopic Liver Transplant with Hepaticojejunostomy: Observational StudyAmerican Journal of Gastroenterology.  116:s1389-s1390. 2021
    2021 S980 Point of Care Gastric Ultrasound for Predicting Residual Gastric Content and Risk of Aspiration in Ambulatory Patients for Advanced Endoscopy ProceduresAmerican Journal of Gastroenterology.  116:s468-s469. 2021
    2021 Single-use duodenoscopes: Where are we and where are we going?Current Opinion in Gastroenterology.  37:416-420. 2021
    2021 ID: 3526606 FEASIBILITY OF BEDSIDE GASTRIC ULTRASOUND AS A PRE-PROCEDURE PREDICTOR FOR RESIDUAL GASTRIC CONTENTS AND SAFE ANESTHESIA AIRWAY MANAGEMENT PLAN IN AMBULATORY PATIENTS FOR ADVANCED ENDOSCOPY PROCEDURESGastrointestinal Endoscopy.  93:ab38. 2021
    2021 ID: 3527213 THIRD SPACE ENDOSCOPY AFTER FORMAL ENDOSCOPY ADVANCED FELLOWSHIP TRAINING IN THE US: ONE YEAR LINEAR FOLLOW UP OF INDEPENDENT PRACTICEGastrointestinal Endoscopy.  93:ab281. 2021
    2021 Fr091 WHY AREN'T WE USING TELEMEDICINE MORE? A COMPARISON OF TELEMEDICINE USAGE ACROSS GI AND CANCER CLINICS DURING THE COVID-19 PANDEMICGastroenterology.  160:s-215-s-216. 2021
    2021 Fr159 EXPRESSION OF GLYCOSYLTRANSFERASE ST6GAL-I AND TUMORIGENIC GENES IN BARRETT'S ESOPHAGUS STEM CELLS DURING DYSPLASIAGastroenterology.  160:s-241. 2021
    2021 Endoscopic spectrum and practical classification of small bowel gastrointestinal stromal tumors (GISTs) detected during double-balloon enteroscopy.Endoscopy International Open.  9:E507-E512. 2021
    2021 The role of ablation in the treatment of dysplastic Barrett’s esophagus 2021
    2020 Colorectal cancer screening, version 2.2020 featured updates to the NCCN guidelinesJournal of the National Comprehensive Cancer Network : JNCCN.  18:1312-1320. 2020
    2020 Endoscopic therapy for bleeding small-bowel venous malformationsVideogie.  5:492-493. 2020
    2020 S1306 Outcomes of Enteroscopy-Assisted Direct Percutaneous Endoscopic Jejunostomy (DPEJ) Tube Placement – A Single Center ExperienceAmerican Journal of Gastroenterology.  115:s655-s656. 2020
    2020 Mucosa-Associated Microbiota in Barrett's Esophagus, Dysplasia, and Esophageal Adenocarcinoma Differ Similarly Compared With Healthy ControlsClinical and Translational Gastroenterology.  11:e00199. 2020
    2020 Sa1278 THIRD SPACE ENDOSCOPY AFTER FORMAL ENDOSCOPY ADVANCED FELLOWSHIP TRAINING IN THE US: IS IT TIME FOR ESTABLISHED TRAINING?Gastrointestinal Endoscopy.  91:ab146. 2020
    2020 Sa1400 EXPERIENCE WITH ENDOROTOR-XT FOR ENDOSCOPIC NECROSECTOMY IN PATIENTS WITH ACUTE NECROTIC PANCREATITIS AT A TERTIARY CARE CENTERGastrointestinal Endoscopy.  91:ab173. 2020
    2020 Su1426 TACROLIMUS: A POTENTIAL NOVEL THERAPY TO PREVENT POST-ERCP PANCREATITISGastrointestinal Endoscopy.  91:ab340. 2020
    2020 Su1541 DIAGNOSIS OF BILIARY STRICTURES USING SPYGLASS DIRECTED BIOPSIES – INTENTION TO TREAT ANALYSIS AT A TERTIARY CARE CENTERGastrointestinal Endoscopy.  91:ab371-ab372. 2020
    2020 Sa1210 ST6GAL-I IS UPREGULATED IN BARRETT'S ESOPHAGUS STEM CELLS AND DYSPLASIAGastroenterology.  158:s-313. 2020
    2020 Tu1736 INCREASED PREVALENCE OF METABOLIC SYNDROME AMONG PATIENTS WITH GASTRIC ANTRAL VASCULAR ECTASIA IN A CIRRHOTIC COHORTGastroenterology.  158:s-1475. 2020
    2020 Tu1749 GASTRIC ANTRAL VASCULAR ECTASIA (GAVE): A FREQUENTLY MISSED DIAGNOSISGastroenterology.  158:s-1480. 2020
    2019 2866 Association of Metabolic Syndrome in Patients With Barrett’s Esophagus With High-Grade Dysplasia Compared to Low-Grade DysplasiaAmerican Journal of Gastroenterology.  114:s1572-s1572. 2019
    2019 888 Percutaneous Gastrojejunostomy Tubing Utilization and Safety With Levodopa-Carbidopa Intestinal Gel in Advanced Parkinson’s Disease Patients: Interim Results of the Long-Term DUOGLOBE "Real-World" Observational StudyAmerican Journal of Gastroenterology.  114:s515-s515. 2019
    2019 Abstract 851: MicroRNA-124 modulated collagen-prolyl hydroxylase P4HA1 expression regulates colon cancer progressionCancer Research.  79:851-851. 2019
    2019 Mo1237 USING THE PIB RISK SCORE TO PREDICT FAILURE OF RADIOFREQUENCY ABLATION IN BARRETT'S ESOPHAGUSGastrointestinal Endoscopy.  89:ab478. 2019
    2019 Su1241 CASE SERIES OF EUS-GUIDED BILIARY DRAINAGE AS A NEWLY ADOPTED TECHNIQUE FOR BILIARY OBSTRUCTION IN A TERTIARY CARE CENTERGastrointestinal Endoscopy.  89:ab329. 2019
    2019 Su1346 ANTICOAGULATION STATUS AND REBLEEDING FOLLOWING DOUBLE BALLOON ENTEROSCOPY FOR OBSCURE GI BLEEDINGGastrointestinal Endoscopy.  89:ab339. 2019
    2019 1159 – Reliability of Videoconferencing Pathology in the Interpretation of Barrett's EsophagusGastroenterology.  156:s-249. 2019
    2019 283 – The Role of St6Gal-I, a Glycosyltransferase Strongly Associated with Mucosal Carcinogenesis, in Barrett's Esophagus and Esophageal AdenocarcinomaGastroenterology.  156:s-57. 2019
    2019 Su1988 – Mucosa-Associated Microbiota Diversity Significantly Differs in Barrett’s Esophagus and Progression to Esophageal AdenocarcinomaGastroenterology.  156:s-683. 2019
    2019 Outcomes of use of electromagnetic guidance with responsive insertion technology (RIT) during colonoscopy: a prospective randomized controlled trial.Endoscopy International Open.  7:E225-E231. 2019
    2019 Evolving screening and surveillance techniques for Barrett's esophagusWorld Journal of Gastroenterology.  25:2045-2057. 2019
    2019 Genetic/Familial high-risk assessment: Colorectal, version 2.2019 featured updates to the NCCN guidelinesJournal of the National Comprehensive Cancer Network : JNCCN.  17:1032-1041. 2019
    2018 Electronic clinical decision tools for improving adherence to colon cancer surveillance guidelines: Can the chips finally fall into place?Journal of the National Comprehensive Cancer Network : JNCCN.  16:1406-1408. 2018
    2018 Additive Benefit of Confocal Laser Endomicroscopy and Micro-Forceps Needle Biopsy in the Evaluation of a Mucinous Cystic NeoplasmAmerican Journal of Gastroenterology.  113:s793. 2018
    2018 Case Series of EUS Guided Biliary Drainage as a Newly Adopted Technique for Biliary Obstruction in a Tertiary Care CenterAmerican Journal of Gastroenterology.  113:s449. 2018
    2018 EUS-Guided Biliary Drainage as an Alternative to ERCP in Patients With Biliary ObstructionAmerican Journal of Gastroenterology.  113:s969. 2018
    2018 Frequency of Gastrointestinal Bleeding and Its Impact on In-Hospital Mortality Among Patients With Solid Organ TransplantationAmerican Journal of Gastroenterology.  113:s317-s318. 2018
    2018 From Above and Below: Double-Balloon Enteroscopy in a Small Intestine Gastrointestinal Stromal Tumor With Excessive BleedingAmerican Journal of Gastroenterology.  113:s1209-s1210. 2018
    2018 Identifying Predictors of Repeat Colon Cancer Screening Following an Incomplete ColonoscopyAmerican Journal of Gastroenterology.  113:s1530-s1531. 2018
    2018 Impact of Double Balloon Enteroscopy (DBE) on Resource Utilization for Evaluation of Obscure Gastrointestinal BleedingAmerican Journal of Gastroenterology.  113:s440-s441. 2018
    2018 Metastatic Small Bowel Melanoma Presenting as Gastrointestinal Blood Loss: A Case ReportAmerican Journal of Gastroenterology.  113:s1423. 2018
    2018 Role of Double Balloon Enteroscopy in Post-Bariatric Surgery PatientsAmerican Journal of Gastroenterology.  113:s441. 2018
    2018 Safety of Levodopa-Carbidopa Intestinal Gel in Advanced Parkinsonʼs Disease Patients: Interim Results of a U.S. Subset in the DUOGLOBE Observational StudyAmerican Journal of Gastroenterology.  113:s1572-s1573. 2018
    2018 The PTEN Mutation in Cowden Syndrome: A Case ReportAmerican Journal of Gastroenterology.  113:s846-s847. 2018
    2018 Gastrointestinal Bleeding is Associated with a Shift Towards a Pro-Angiogenic Phenotype after Continuous Flow Left Ventricular Assist Device ImplantationJournal of Cardiac Failure.  24:s22-s23. 2018
    2018 NCCN Guidelines(r) insights colorectal cancer screening, version 1.2018 featured updates to the NCCN guidelinesJournal of the National Comprehensive Cancer Network : JNCCN.  16:939-949. 2018
    2018 112 “BAND AND LEAVE” STRATEGY: A CASE SERIES COMPARISON OF BANDING VS. ENDOSCOPIC RESECTION FOR MANAGEMENT OF SMALL DUODENAL CARCINOIDGastrointestinal Endoscopy.  87:ab51. 2018
    2018 Bleeding at Roux-en-Y jejunojejunal anastomosis after orthotopic liver transplantationVideogie.  3:179-180. 2018
    2018 Predictors for outcomes and readmission rates following double balloon enteroscopy: a tertiary care experience.Endoscopy International Open.  6:E751-E757. 2018
    2018 Su1258 USE OF BEDSIDE LIVE-VIEW CAPSULE ENDOSCOPY IN THE EVALUATION OF OVERT OBSCURE GI BLEEDING - A PROSPECTIVE PILOT STUDYGastrointestinal Endoscopy.  87:ab300-ab301. 2018
    2018 Su1715 INCOMPLETE COLONOSCOPY SCREENING: PREDICTORS FOR IDENTIFYING COLORECTAL CANCER IN PATIENTS WHO UNDERGO SUBSEQUENT EXAMSGastrointestinal Endoscopy.  87:ab383. 2018
    2018 Tu1097 ENDOSCOPY IN PATIENTS WITH LEFT VENTRICULAR ASSIST DEVICES IS SAFE TO PERFORM OUTSIDE OF THE OPERATING ROOMGastrointestinal Endoscopy.  87:ab532-ab533. 2018
    2018 Length of Barrett's segment predicts failure of eradication in radiofrequency ablation for Barrett's esophagus: A retrospective cohort studyBMC Gastroenterology.  18. 2018
    2018 Direct Percutaneous Endoscopic Jejunostomy for the Management of Gastroparesis in PregnancyObstetrics and Gynecology.  131:871-874. 2018
    2018 Sa1102 - Barrett's Epithelium Displays Increased Expression of St6Gal-I, a Glycosyltransferase Strongly Associated with Mucosal CarcinogenesisGastroenterology.  154:s-241. 2018
    2018 Tu1554 - Development of an Endoscopic Classification System for Gastric Antral Vascular Ectasia: The Birmingham ClassificationGastroenterology.  154:s-1249-s-1250. 2018
    2018 Clinical Predictors for Repeat Hospitalizations in Left Ventricular Assist Device (LVAD) Patients With Gastrointestinal Bleeding.Gastroenterology Research.  11:100-105. 2018
    2018 Impact of Disconnected Pancreatic Duct Syndrome on the Endoscopic Management of Pancreatic Fluid CollectionsAnnals of Surgery.  267:561-568. 2018
    2018 Case series on multimodal endoscopic therapy for gastric antral vascular ectasia, a tertiary center experience.World Journal of Gastrointestinal Endoscopy.  10:30-36. 2018
    2018 Association of pulsatility with gastrointestinal bleeding in a cohort of HeartMate II recipientsASAIO Journal.  64:472-479. 2018
    2017 NCCN guidelines® insights: Genetic/Familial High-Risk Assessment: Colorectal, version 3.2017 featured updates to the NCCN GuidelinesJournal of the National Comprehensive Cancer Network : JNCCN.  15:1465-1475. 2017
    2017 Gastric Antral Vascular Ectasia and Metabolic Syndrome: Is There a Case for an Association?American Journal of Medicine.  130:e511. 2017
    2017 Barrettʼs Esophagus Eradication With Radiofrequency Ablation in Patients With Altered AnatomyAmerican Journal of Gastroenterology.  112:s902. 2017
    2017 Readmission Rates and Follow-up Outcomes of Patients Found to Have Gastrointestinal Angiodysplasia on Double Balloon EnteroscopyAmerican Journal of Gastroenterology.  112:s647. 2017
    2017 Real-time Nurse Interpretation of Video Capsule Endoscopy in Overt Obscure Gastrointestinal BleedingAmerican Journal of Gastroenterology.  112:s1474-s1475. 2017
    2017 Shining a White Light on Barrett’s Esophagus: What Does the BING Classification Bring?Digestive Diseases and Sciences.  62:2612-2614. 2017
    2017 Small Bowel Transit Time Index Demonstrates Good Agreement and Accuracy in Predicting Best Approach for Double Balloon EnteroscopyAmerican Journal of Gastroenterology.  112:s435. 2017
    2017 Sa1107 Gastric Intestinal Metaplasia - Survey of Current Perceptions and Practices Among GastroenterologistsGastrointestinal Endoscopy.  85:ab194. 2017
    2017 Sa1739 Use of Endoscopic Scopeguide During Colonoscopy: A Single Center Randomized Controlled TrialGastrointestinal Endoscopy.  85:ab261. 2017
    2017 Su1189 Utility of Double Balloon Enteroscopy in Patients With Altered Gastrointestinal Anatomy: A Single Center ExperienceGastrointestinal Endoscopy.  85:ab307. 2017
    2017 Su1200 Outcomes of Double Balloon Enteroscopy: A 4-Year Experience at a Tertiary Care CenterGastrointestinal Endoscopy.  85:ab311-ab312. 2017
    2017 Su1218 Outcomes and Predictors for Positive Therapeutic Yield and Readmission Rates Among the Obscure Gastrointestinal Bleeding (OGIB) Patients Undergoing Double Balloon EnteroscopyGastrointestinal Endoscopy.  85:ab318. 2017
    2017 Su1226 Endoscopic Characterization of Gastrointestinal Stromal Tumors of the Small Bowel Using Double-Balloon EnteroscopyGastrointestinal Endoscopy.  85:ab321-ab322. 2017
    2017 Tu1192 Treatment With Endosopic Mucosal Resection Prior to Radiofrequency Ablation Predictive of Successful Eradication of Barrett's EsophagusGastrointestinal Endoscopy.  85:ab570. 2017
    2017 Orthotopic liver transplantation changes the course of gastric antral vascular ectasia: A case series from a transplant centerEuropean Journal of Gastroenterology and Hepatology.  29:973-976. 2017
    2017 Prognostic value of loss of heterozygosity and sub-cellular localization of SMAD4 varies with tumor stage in colorectal cancerOncotarget.  8:20198-20212. 2017
    2016 Gastric Antral Vascular Ectasia and Underlying Microvascular or Vascular Disease: Is There an Association?American Journal of Gastroenterology.  111:s1290. 2016
    2016 An Uncommon and Challenging Case of Duodenal Variceal Bleeding.ACG Case Reports Journal.  3:e138. 2016
    2016 Position Change in Colonoscopy - A Turn for the Better?American Journal of Gastroenterology.  111:1034-1035. 2016
    2016 Mo1011 An Algorithmic Shift in Approach to Gastrointestinal Bleeding in LVAD Patients: Is initial Push Enteroscopy Beneficial?Gastrointestinal Endoscopy.  83:ab426. 2016
    2016 Mo1047 Effect of Gastrointestinal Bleeding Within Six Months of Continuous-Flow Left-Ventricular Assist Device Implantation on Patient OutcomesGastrointestinal Endoscopy.  83:ab441. 2016
    2016 Mo1367 Utility of Through the Scope (TTS) Radiofrequency Ablation in the Management of Gastric Vascular Antral Ectasia (GAVE)Gastrointestinal Endoscopy.  83:ab471. 2016
    2016 Dual-modal ablation treatment for refractory radiation proctitisInternational Journal of Colorectal Disease: clinical and molecular gastroenterology and surgery.  31:931. 2016
    2016 Sa1094 Clinical Predictors for Repeat Hospitalizations in LVAD Patients with Gastrointestinal BleedingGastroenterology.  150:s238-s239. 2016
    2016 Su1524 Hepatic Decompensation Is Associated With Higher Risk of Gastric Antral Vascular Ectasia in CirrhoticsGastroenterology.  150:s1120-s1121. 2016
    2016 Su1525 Gastric Antral Vascular Ectasia and Metabolic Syndrome - Is There a Common Pathway?Gastroenterology.  150:s1121. 2016
    2016 Tu1130 Mucosa-associated Microbiota Diversity Differs Significantly Between Gastric Juice and Barrett's and Matched Esophageal Squamous MucosaGastroenterology.  150:s852. 2016
    2016 Tu2074 BAE: A Review and Delphi Consensus on Balloon-Assisted-EndoscopyGastroenterology.  150:s1016. 2016
    2016 Monitoring colonoscopy withdrawal time significantly improves the adenoma detection rate and the performance of endoscopistsEndoscopy.  48:256-262. 2016
    2016 Early implementation of video capsule enteroscopy in patients with left ventricular assist devices and obscure gastrointestinal bleedingASAIO Journal.  62:40-45. 2016
    2015 Diagnostic Yield and Clinical Outcomes of Inpatients and Outpatients Undergoing Double-Balloon Enteroscopy (DBE) for Evaluation of Obscure Gastrointestinal Bleeding (OGIB)American Journal of Gastroenterology.  110:s647. 2015
    2015 Impact of Overt Bleeding on Diagnostic Yield and Clinical Outcomes of Video Capsule Endoscopy (VCE) in the Evaluation of Obscure Gastrointestinal Bleeding (OGIB)American Journal of Gastroenterology.  110:s997. 2015
    2015 Predictability of capsule endoscopy referred to a tertiary care center for double-balloon enteroscopyEuropean Journal of Gastroenterology and Hepatology.  27:1052-1056. 2015
    2015 Percutaneous Endoscopic Gastrostomy in Amyotrophic Lateral SclerosisAmerican Journal of the Medical Sciences.  350:95-97. 2015
    2015 Ablative Endoscopic Therapies for Barrett's-Esophagus-Related NeoplasiaGastroenterology Clinics of North America.  44:337-353. 2015
    2015 Human gastric epithelial cells contribute to gastric immune regulation by providing retinoic acid to dendritic cellsMucosal Immunology.  8:533-544. 2015
    2015 A single-center randomized controlled trial evaluating timing of preparation for capsule enteroscopyClinical Endoscopy.  48:234-238. 2015
    2015 Mo1566 Utility of Double Balloon Enteroscopy in Patients With Surgically Altered Bowel Anatomy After Bariatric SurgeryGastrointestinal Endoscopy.  81:ab469. 2015
    2015 Mo1568 New Technique of Balloon-Overtube- and Fluoroscopy-Assisted Direct Percutaneous Endoscopic Jejunostomy in Patients With Surgically Altered Upper GI Tract AnatomyGastrointestinal Endoscopy.  81:ab469-ab470. 2015
    2015 Sa1514 Impact of Clinical Presentation of Bleeding on the Diagnostic Yield and Outcomes of Double-Balloon Enteroscopy (DBE) for Evaluation of Obscure Gastrointestinal Bleeding (OGIB)Gastrointestinal Endoscopy.  81:ab244-ab245. 2015
    2015 Tu1552 Length of Barrett's Segment Predicts Failure of Eradication in Radiofrequency Ablation for Barrett's EsophagusGastrointestinal Endoscopy.  81:ab506. 2015
    2015 Mo1163 Prevalence and Impact of Upper Gastrointestinal Bleeding on In-Hospital Mortality and Hospital Resource Utilization Among Patients With Solid Organ TransplantationGastroenterology.  148:s-625-s-626. 2015
    2015 Mo2020 Low Pulsatility Index Is Associated With an Increased Hazard of Gastrointestinal Bleeding in Patients With Continuous-Flow Left Ventricular Assist DevicesGastroenterology.  148:s-770-s-771. 2015
    2015 Radiofrequency ablation therapy - the grave for GAVE (gastric antral vascular ectasia)?Endoscopy International Open.  3:E128-E129. 2015
    2015 New method of direct percutaneous endoscopic jejunostomy tube placement using balloon-assisted enteroscopy with fluoroscopyDigestive Endoscopy.  27:317-322. 2015
    2015 Optical Biopsy with Probe-based Confocal Laser Endomicroscopy for Prediction of Residual Barrett’s Esophagus after Complete Radiofrequency Ablation (RFA)– A Pilot Study 2015
    2015 An unusual pancreatic lesion causing biliary obstruction and duodenal invasionEndoscopy.  47:E55-E56. 2015
    2014 Poor agreement between endoscopists and gastrointestinal pathologists for the interpretation of probe-based confocal laser endomicroscopy findingsWorld Journal of Gastroenterology.  20:17993-18000. 2014
    2014 Gastric Antral Vascular Ectasia: A Rare Manifestation for Gastrointestinal Bleeding in Left Ventricular Assist Device Patients—An Initial ReportDigestive Diseases and Sciences.  59:2826-2830. 2014
    2014 An Unusual Pancreatic Lesion Causing Biliary Obstruction and Duodenal InvasionAmerican Journal of Gastroenterology.  109:s64. 2014
    2014 Clinical Predictors and Locations of Angioectasias on Video Capsule Endoscopy (VCE) Done for the Evaluation of Obscure Gastrointestinal Bleeding (OGIB)American Journal of Gastroenterology.  109:s111. 2014
    2014 EMR Experience at a Large Tertiary Care Endoscopic Center: Referral, Patient, and Lesion CharacteristicsAmerican Journal of Gastroenterology.  109:s189. 2014
    2014 Impact of Inpatient Status on Diagnostic Yield and Clinical Outcome of Video Capsule Endoscopy (VCE) in the Evaluation of Obscure Gastrointestinal Bleeding (OGIB)American Journal of Gastroenterology.  109:s111-s112. 2014
    2014 Obesity and Gastric Antral Vascular Ectasia (GAVE): Is There an Association?American Journal of Gastroenterology.  109:s41. 2014
    2014 Optical Biopsy With Probe-Based Confocal Laser Endomicroscopy for Prediction of Residual Barrett’s After Complete Radiofrequency Ablation (RFA): A Pilot StudyAmerican Journal of Gastroenterology.  109:s575-s576. 2014
    2014 Predictability of Capsule Endoscopy Referred to a Tertiary Care Center for Double Balloon Enteroscopy: Should Some Capsules Be Re-read?American Journal of Gastroenterology.  109:s546-s547. 2014
    2014 Radiofrequency Ablation for Barrett’s Esophagus: Initial Outcomes From a Center Starting This Treatment ModalityAmerican Journal of Gastroenterology.  109:s584-s585. 2014
    2014 Utility of Double Balloon Enteroscopy in Patients With Surgically Altered Bowel Anatomy After Bariatric SurgeryAmerican Journal of Gastroenterology.  109:s570. 2014
    2014 Utility of double-balloon enteroscopy in patients with left ventricular assist devices and obscure overt gastrointestinal bleedingEndoscopy.  46:986-988. 2014
    2014 446 Utility of Double Balloon Enteroscopy for the Evaluation of Obscure GI Bleeding in Patients With Roux-en-Y Surgical AnatomyGastrointestinal Endoscopy.  79:ab143. 2014
    2014 Mo1008 Natural Course of Gastric Antral Vascular Ectasia (GAVE) -OLT Can Reverse Disease and Improve SurvivalGastroenterology.  146:s-984. 2014
    2014 Mo1556 Clinical Predictors of Significant Findings on Video Capsule Endoscopy (VCE) Done for the Evaluation of Obscure Gastrointestinal Bleeding (OGIB)Gastrointestinal Endoscopy.  79:ab482-ab483. 2014
    2014 Mo1563 Metanalysis and Systematic Review Comparing the Efficacy of Deep Enteroscopy Devices in the Management of Small Bowel DisordersGastrointestinal Endoscopy.  79:ab485. 2014
    2014 Mo1965 Lack of Influence of Pulsatility on Gastrointestinal Bleeding in Patients With Continuous Flow Left Ventricular Assist DevicesGastroenterology.  146:s-703. 2014
    2014 Sa1623 Safety and Outcomes of Percutaneous Endoscopic Gastrostomy Tube Insertion in Amyotrophic Lateral Sclerosis PatientsGastrointestinal Endoscopy.  79:ab278. 2014
    2014 Effects of breaks in colonoscopy trainingGastrointestinal Endoscopy.  79:542. 2014
    2014 Small bowel stent-in-stent placement for malignant small bowel obstruction using a balloon-assisted overtube techniqueClinical Endoscopy.  47:108-111. 2014
    2014 Diagnostic and therapeutic utility of double-balloon enteroscopy for obscure GI bleeding in patients with surgically altered upper GI anatomyGastrointestinal Endoscopy.  80:181-186. 2014
    2014 Dual treatment for obscure gastrointestinal bleeding from hepaticojejunostomy using double balloon enteroscopy techniqueDigestive Endoscopy.  26:118-119. 2014
    2014 Multipurpose use of the 'bear claw' (over-the-scope-clip system) to treat endoluminal gastrointestinal disordersDigestive Endoscopy.  26:350-357. 2014
    2014 Olmesartan-induced enteropathy resembling celiac diseaseEndoscopy.  46. 2014
    2014 Radiofrequency ablation of Barrett's esophagus with the channel RFA endoscopic catheterGastrointestinal Endoscopy.  79:1034-1035. 2014
    2013 Endoscopic "crossroads" in the management of malignant hilar stricturesIndian Journal of Gastroenterology.  32:363-365. 2013
    2013 Radiofrequency ablation of Barrett's esophagus using an overtubeEndoscopy.  45. 2013
    2013 Capsule endoscopy for acute upper gastrointestinal bleeding: Is the cherry ripe yet?Endoscopy.  45:777. 2013
    2013 Gastrointestinal bleeding in patients with ventricular assist devices is highest immediately after implantationASAIO Journal.  59:480-485. 2013
    2013 Multicenter Intestinal Current Measurements in Rectal Biopsies from CF and Non-CF Subjects to Monitor CFTR FunctionPLoS One.  8. 2013
    2013 Endoscopic closure of a gastrocolic fistula using the over-the-scope-clip-system.World Journal of Gastrointestinal Endoscopy.  5:402-406. 2013
    2013 Obscure gastrointestinal bleeding and Turner syndromeDigestive Endoscopy.  25:462-464. 2013
    2013 Helicobacter pylori infection inhibits phagocyte clearance of apoptotic gastric epithelial cellsJournal of Immunology.  190:6626-6634. 2013
    2013 848 A Single-Center Randomized Controlled Trial Evaluating Timing of Preparation for Capsule Enteroscopy Upon Diagnostic YieldGastrointestinal Endoscopy.  77:ab172. 2013
    2013 Mo1443 Evolving Treatment Strategies in the Endoscopic Management of Walled-off Pancreatic Necrosis (WOPN)Gastrointestinal Endoscopy.  77:ab384. 2013
    2013 Sa1613 Natural Course of Gastric Antral Vascular Ectasia (GAVE) - Is OLT Beneficial?Gastrointestinal Endoscopy.  77:ab268. 2013
    2013 Endomicroscopy of the pancreaticobiliary systemDiagnostic and Therapeutic Endoscopy.  2013. 2013
    2013 Factors impacting treatment outcomes in the endoscopic management of walled-off pancreatic necrosisJournal of Gastroenterology and Hepatology.  28:1725-1732. 2013
    2012 Unfolding the Plot of Obscure Gastrointestinal Bleeding: Excellent or Elementary?Clinical Gastroenterology and Hepatology.  10:1386-1388. 2012
    2012 Gastrointestinal Bleeding in Patients with Ventricular Assist Devices is Highest Immediately After ImplantationAmerican Journal of Gastroenterology.  107:s566-s567. 2012
    2012 Sa1837 Is There Any Agreement Between Endoscopists and Pathologists for the Interpretation of Probe-Based Confocal Laser Endomicroscopy (P-CLE) Findings?Gastroenterology.  142:s-337-s-338. 2012
    2012 116 Gastrointestinal Bleeding Risk in Patients with Ventricular Assist DevicesJournal of Heart and Lung Transplantation.  31:s47-s48. 2012
    2012 Su1354 A Single-Center Randomized Control Trial Evaluating Timing of Preparation for Capsule EnteroscopyGastrointestinal Endoscopy.  75:ab303-ab304. 2012
    2012 Carbon dioxide accumulation during analgosedated colonoscopy: Comparison of propofol and midazolamWorld Journal of Gastroenterology.  18:5389-5396. 2012
    2011 Downstream Effects from the Establishment of a New Radiofrequency Ablation (RFA) Program for Barrettʼs Esophagus in a Tertiary Medical CenterAmerican Journal of Gastroenterology.  106:s33. 2011
    2011 Impact of Probe-based Confocal Laser Endomicroscopy (p-CLE) on the Diagnosis and Management of Indeterminate Gastrointestinal LesionsAmerican Journal of Gastroenterology.  106:s548. 2011
    2011 Abstract 2262: The prognostic value of p53 abnormalities in colorectal cancers varies based on detection methodsCancer Research.  71:2262-2262. 2011
    2011 Caught on camera: An unusual type of bug in the gutGastrointestinal Endoscopy.  73:363-364. 2011
    2010 Combined airway and oesophageal stenting in malignant airway-oesophageal fistulas: A prospective studyEuropean Respiratory Journal.  36:1370-1374. 2010
    2010 Somatostatin analogues in the treatment of recurrent bleeding from gastrointestinal vascular malformations: An overview and systematic review of prospective observational studiesDigestive Diseases and Sciences.  55:2129-2134. 2010
    2010 Colon Capsule Endoscopy compared to Conventional Colonoscopy under routine screening conditionsBMC Gastroenterology.  10. 2010
    2010 T1414: Trends in Gastrointestinal Endoscopy Procedural Competence and Privileges: Is It Time to Revisit?Gastrointestinal Endoscopy.  71:ab271. 2010
    2010 Crohn's colitis with perianal disease complicated by collagenous colitis: Discourse on management optionsDigestion: international journal of gastroenterology.  81:142-144. 2010
    2009 BMI, Surgical Intervention and Methotrexate use impact Mucosal Disease in African Americans with Crohn's DiseaseInflammatory Bowel Diseases.  15:s25. 2009
    2009 Corticosteroid use impacts Mucosal Disease Activity in African Americans with Ulcerative ColitisInflammatory Bowel Diseases.  15:s25. 2009
    2009 EUS-guided FNA of peritoneal carcinomatosis in patients with unknown primary malignancyGastrointestinal Endoscopy.  70:1266-1270. 2009
    2009 Crohnʼs Disease Complicated by Collagenous ColitisAmerican Journal of Gastroenterology.  104:s366. 2009
    2009 Small Bowel Cancer in Crohnʼs Disease: A Case Series and Review of LiteratureAmerican Journal of Gastroenterology.  104:s466-s467. 2009
    2009 S1218 Somatostatin Analogues Are Effective Rescue Therapy for Chronic Bleeding from Gastrointestinal Angiodysplasia: A Meta-Analysis of Prospective Cohort StudiesGastroenterology.  136:a-215. 2009
    2009 Feasibility of combined EUS-FNA and ERCP for obstructive jaundice from presumed pancreatic malignancyNature Clinical Practice Gastroenterology and Hepatology.  6:132-133. 2009
    2009 Modern endoscopic therapy of peptic ulcer bleedingDigestive Diseases: clinical reviews.  26:291-299. 2009
    2009 Endoscopist-Directed Administration of Propofol: A Worldwide Safety ExperienceGastroenterology.  137:1229-1237. 2009
    2009 Gastrointestinal: Positron Emission Tomography (PET) in intestinal tuberculosis: Masquerading Hot SpotsJournal of Gastroenterology and Hepatology.  24:1798-1799. 2009
    2008 Two-marker protein profile predicts poor prognosis in patients with early rectal cancerBritish Journal of Cancer.  99:1712-1717. 2008
    2008 Nurse-administered propofol sedation in nonagerians: Extending the panaceaDigestion: international journal of gastroenterology.  78:18-19. 2008
    2008 Propofol Use by Gastroenterologists-the European ExperienceGastrointestinal Endoscopy Clinics of North America.  18:727-738. 2008
    2008 A spur sign in the EUS evaluation of dysphagiaGastrointestinal Endoscopy.  68:147-148. 2008
    2008 In situ PCR for Mycobacterium tuberculosis in endoscopic mucosal biopsy specimens of intestinal tuberculosis and Crohn diseaseAmerican Journal of Clinical Pathology.  129:846-851. 2008
    2008 An Atypical Approach to AppendicitisClinical Gastroenterology and Hepatology.  6. 2008
    2008 Non-anesthesiologist Administered Propofol Sedation for Endoscopic Procedures: A Worldwide Safety ReviewGastrointestinal Endoscopy.  67:ab107. 2008
    2008 S2040 Tumor Infiltrating Lymphocytes and RHAMM Expression Predict Prognosis in Patients with Rectal CancerGastroenterology.  134:a-303. 2008
    2008 S2041 Biological Marker Expression Selects a Subgroup of Early Rectal Cancer Patients for Pre-Operative TherapyGastroenterology.  134:a-303. 2008
    2008 Is Combination-Regimen Better Than Single-Regimen Nurse/Nonanesthetist-Administered Propofol Sedation?Clinical Gastroenterology and Hepatology.  6:120. 2008
    2008 Pharmacokinetics and pharmacodynamic effects of an oral ghrelin agonist in healthy subjects (Journal of Clinical Endocrinology and Metabolism 92, (1814-1820))Journal of Clinical Endocrinology and Metabolism.  93:1082. 2008
    2008 What defines tropical pancreatitis?Indian Journal of Gastroenterology.  27:40. 2008
    2007 Therapy-resistant diarrhea due to Giardia lamblia in a patient with common variable immunodeficiency disease [5]Digestion: international journal of gastroenterology.  75:101-102. 2007
    2007 Salmonella enterocolitis and hemorrhagic shockGastrointestinal Endoscopy.  65:1077-1078. 2007
    2007 Helicobacter pylori and gastric cancer: The causal relationshipDigestion: international journal of gastroenterology.  75:25-35. 2007
    2007 Application of bleeding prophylactic criteria (NICE) in patients with acute gastrointestinal bleedingSwiss Medical Weekly.  137:146-150. 2007
    2007 Pharmacokinetics and pharmacodynamic effects of an oral ghrelin agonist in healthy subjectsJournal of Clinical Endocrinology and Metabolism.  92:1814-1820. 2007
    2006 Serum immunoglobin G4 (IgG4): An important marker in autoimmune pancreatitis?Swiss Medical Weekly.  136:544-547. 2006
    2006 CCK1 antagonists: Are they ready for clinical use?Digestive Diseases: clinical reviews.  24:70-82. 2006
    2006 Persistent gastrocutaneous fistula after percutaneous gastrostomy tube removal [2]Endoscopy.  38:539-540. 2006
    2005 Capsule endoscopy of the upper gastrointestinal tract - The need for a second endoscopyDigestion: international journal of gastroenterology.  72:242-247. 2005
    2005 A prospective evaluation of leflunomide therapy for cytomegalovirus disease in renal transplant recipientsTransplantation Proceedings.  37:4303-4305. 2005
    2005 Risk of colorectal cancer in ulcerative colitis in IndiaJournal of Gastroenterology and Hepatology.  20:705-709. 2005
    2005 Segmental colonoscopic biopsies in the differentiation of ileocolic tuberculosis from Crohn's diseaseJournal of Gastroenterology and Hepatology.  20:688-696. 2005
    2004 Autoimmune pancreatitis - An uncommon type of chronic pancreatitisIndian Journal of Gastroenterology.  23:181-183. 2004
    2004 Colonic malignant melanoma mimicking colon carcinomaDigestive Endoscopy.  16:266-268. 2004
    2004 Colonic malignancy with recurrent bacteraemia presenting as pyrexia of unknown origin [4]Journal of Internal Medicine.  255:692-693. 2004
    2004 Leflunomide therapy for cytomegalovirus disease in renal allograft recepientsTransplantation.  77:1460-1461. 2004
    2003 Assessing the severity of hepatic encephalopathyIndian Journal of Gastroenterology.  22. 2003
    2002 Gastrointestinal: Peutz-Jeghers syndromeJournal of Gastroenterology and Hepatology.  17:1117. 2002
    1999 Endoscopic mucosal biopsies are useful in distinguishing granulomatous colitis due to Crohn's disease from tuberculosisGut.  45:537-541. 1999
    1997 Effectiveness of P2AM (PAM - Pralidoxime) in the treatment of organophosphorus poisoning (OPP) a randomized, double blind placebo controlled clinical trialJournal of the Association of Physicians of India.  45:22-24. 1997

    Chapter

    Year Title Altmetric
    2016 Hemostasis of acute small intestinal bleeding.  195-205. 2016
    2015 12 EUS in the Evaluation of Gastric Tumors.  129-150. 2015
    2011 EUS in the Evaluation of Gastric Tumors.  97-114. 2011
    2011 CHAPTER 11 EUS in the Evaluation of Gastric Tumors.  97-114. 2011
    2010 EUS in the Evaluation of Gastric Tumors.  97-114. 2010
    2010 Endoscopic therapy for peptic ulcer bleeding.  37-54. 2010

    Research Overview

  • Barrett's esophagus and early esophageal cancer
    GI bleeding
    Advanced imaging
    Colon cancer screening
    Small bowel and foregut disorders
    Pancreaticobiliary interventional endoscopy
    Complex Polyp resection
  • Education And Training

  • Christian Medical College Hospital, Internship
  • Christian Medical College Hospital, Postdoctoral Fellowship
  • Christian Medical College Hospital, Postdoctoral Fellowship
  • Bachelor of Medicine & Surgery (MBBS), 1997
  • Full Name

  • Shajan Peter