AlanHuyTieuMDMSc

Gastroenterology • Norfolk, VA

Gastrointestinal Cancer, Gastrointestinal Functional & Motility Disorders, Inflammatory Bowel Disease

Assistant Professor of Medicine at EVMS

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Office
885 Kempsville Rd. Suite 114
Norfolk, VA 23502
Phone+1 757-466-0165

Fax+1 757-466-9082
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Education & Training

Johns Hopkins Bloomberg School of Public HealthScM, Clinical Investigation, 2016 - 2019
Johns Hopkins UniversityFellowship, Gastroenterology, 2015 - 2019
Johns Hopkins UniversityResidency, Internal Medicine, 2012 - 2015
Howard University College of MedicineClass of 2012

Certifications & Licensure

VA State Medical License 2019 - 2024
MD State Medical License 2016 - 2019
American Board of Internal Medicine Internal Medicine
American Board of Internal Medicine Gastroenterology

Awards, Honors, & Recognition

Chief Gastroenterology Fellow Johns Hopkins School of Medicine, 2019
Phi Beta Kappa
Teaching Fellow of the Year Johns Hopkins Hospital Department of Medicine, 2016
Alpha Omega Alpha Honor Medical Society 2012
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Clinical Trials

Diagnostic Utility of Amyl Nitrite in Patients With Suspected Achalasia Undergoing High Resolution Esophageal Manometry (HREM) Start of enrollment: 2014 Jun 01
Withdrawn
Not Applicable

Publications & Presentations

PubMed

14 citations
Novel Long Noncoding RNA miR205HG Functions as an Esophageal Tumor-Suppressive Hedgehog Inhibitor.
Jee Hoon Song, Alan H. Tieu, Yulan Cheng, Ke Ma, Venkata S. Akshintala, Cem Simsek, Vishnu Prasath, Eun Ji Shin, Saowanee Ngamruengphong, Mouen A. Khashab, John M. Abr...> ;Cancers. 2021 Apr 3
32 citations
Risk Factors for Progression of Barrett's Esophagus to High Grade Dysplasia and Esophageal Adenocarcinoma
Swetha Kambhampati, Alan H Tieu, Brandon Luber, Hao Wang, Stephen J. Meltzer> ;Scientific Reports. 2020 Mar 17
31 citations
Methylation Biomarker Panel Performance in EsophaCap Cytology Samples for Diagnosing Barrett's Esophagus: A Prospective Validation Study.
Zhixiong Wang, Swetha Kambhampati, Yulan Cheng, Ke Ma, Cem Simsek, Alan H Tieu, John M. Abraham, Xi Liu, Vishnu Prasath, Mark D. Duncan, Alejandro Stark, Alexander Y. ...> ;Clinical Cancer Research. 2019 Jan 1
1 citations
Patient Perceptions of Readmission Risk: An Exploratory Survey.
Daniel J. Brotman, Hasan M Shihab, Amanda Bertram, Alan Tieu, Henry G. Cheng, Erik H. Hoyer, Nowella Durkin, Amy Deutschendorf> ;Journal of Hospital Medicine. 2018 Oct 1
9 citations
A multicenter experience of through-the-scope balloon-assisted enteroscopy in surgically altered gastrointestinal anatomy
Jennifer X. Cai, David L. Diehl, Ralf Kiesslich, Andrew C. Storm, Mohamad H. El Zein, Alan H. Tieu, Arthur Hoffman, Vikesh K. Singh, Mouen A. Khashab, Patrick I. Okolo...> ;Surgical Endoscopy. 2017 Jul 1
114 citations
Gastroesophageal reflux after peroral endoscopic myotomy: a multicenter case-control study.
Vivek Kumbhari, Pietro Familiari, Niels Christian Bjerregaard, Mathieu Pioche, Edward L. Jones, Weon Jin Ko, Bu Hayee, Anna Cali, Saowanee Ngamruengphong, François Mio...> ;Endoscopy. 2017 Jul 1
22 citations
Peroral endoscopic myotomy achieves similar clinical response but incurs lesser charges compared to robotic heller myotomy.
Mouen A. Khashab, Vivek Kumbhari, Alan H. Tieu, Mohamad H. El Zein, Amr Ismail, Saowanee Ngamruengphong, Vikesh K. Singh, Anthony N. Kalloo, John O. Clarke, Ellen M. S...> ;Saudi Journal of Gastroenterology. 2017 Mar 1
8 citations
Interventional EUS Using a Flexible 19-Gauge Needle: An International Multicenter Experience in 162 Patients.
Vivek Kumbhari, Irene PeñAs, Alan H. Tieu, Carlos de la Serna-Higuera, Manie Juneja, Fuad Maufa, Saowanee Ngamruengphong, Mohamad H. El-Zein, Nadim Haddad, Sandeep Kri...> ;Digestive Diseases and Sciences. 2016 Oct 6
9 citations
A novel “balloon/snare apparatus” technique to facilitate easy creation of fistula tract during EUS-guided gastroenterostomy
Saowanee Ngamruengphong, Vivek Kumbhari, Alan H. Tieu, Yamile Haito-Chavez, Majidah Bukhari, Gulara Hajiyeva, Amr Ismail, Gerard Aguila, Yen I. Chen, Mouen A. Khashab> ;Gastrointestinal Endoscopy. 2016 Sep 1
1 citations
Two-stage endoscopic approach for the management of a large symptomatic epiphrenic diverticulum in the setting of achalasia
Alan H. Tieu, Vivek Kumbhari, Saowanee Ngamruengphong, Yamile Haito-Chavez, Yen-I. Chen, Majidah Bukhari, Mouen A. Khashab> ;Gastrointestinal Endoscopy. 2016 Nov 1
45 citations
Learning curve for peroral endoscopic myotomy.
Mohamad H. El Zein, Vivek Kumbhari, Saowanee Ngamruengphong, Kathryn A. Carson, Ellen M. Stein, Alan H. Tieu, Yamile Chaveze, Amr Ismail, Sameer Dhalla, John O. Clarke...> ;Endoscopy International Open. 2016 Mar 30
6 citations
Double endoscopic bypass by using lumen-apposing stents (with videos)
Mouen A. Khashab, Mohamad H. El Zein, Saowanee Ngamruengphong, Yamile Haito Chavez, Vivek Kumbhari, Amr Ismail, Alan H. Tieu, Gerad Aguila, Vikesh K. Singh, Anne Marie...> ;Gastrointestinal Endoscopy. 2016 Feb 1
5 citations
Predictors of incomplete optical colonoscopy using computed tomographic colonography
Reetika Sachdeva, Salina D Tsai, Mohamad H. El Zein, Alan A Tieu, Ahmed Abdelgelil, Sepideh Besharati, Mouen A. Khashab, Anthony N. Kalloo, Vivek Kumbhari> ;Saudi Journal of Gastroenterology. 2016 Jan 1
53 citations
Comprehensive analysis of efficacy and safety of peroral endoscopic myotomy performed by a gastroenterologist in the endoscopy unit: a single-center experience.
Mouen A. Khashab, Mohamad H. El Zein, Vivek Kumbhari, Sepideh Besharati, Saowanee Ngamruengphong, Ahmed A. Messallam, Ahmed Abdelgalil, Payal Saxena, Alan H. Tieu, Shr...> ;Gastrointestinal Endoscopy. 2016 Jan 1
71 citations
Refractory gastroparesis can be successfully managed with endoscopic transpyloric stent placement and fixation (with video).
Mouen A. Khashab, Sepideh Besharati, Saowanee Ngamruengphong, Vivek Kumbhari, Mohamad H. El Zein, Ellen M. Stein, Alan H. Tieu, Gerard E. Mullin, Sameer Dhalla, Monica...> ;Gastrointestinal Endoscopy. 2015 Dec 1
3 citations
EUS-guided rescue of early dislodgement of a lumen-apposing stent
Saowanee Ngamruengphong, Vivek Kumbhari, Alan H. Tieu, Yamile Haito-Chavez, Mohamed H. El-Zein, Gerard Aguila, Mouen A. Khashab> ;Gastrointestinal Endoscopy. 2015 Dec 1
3 citations
Novel endoscopic approach for a large intraluminal duodenal ("windsock") diverticulum.
Vivek Kumbhari, Alan H. Tieu, Alba Azola, Saowanee Ngamruengphong, Mohamad H. El Zein, Mouen A. Khashab> ;Gastrointestinal Endoscopy. 2015 Nov 1
4 citations
Double peroral endoscopic myotomy for achalasia.
Vivek Kumbhari, Alan H. Tieu, Alba Azola, Payal Saxena, Saowanee Ngamruengphong, Mohamad H. El Zein, Mouen A. Khashab> ;Gastrointestinal Endoscopy. 2015 Nov 1
16 citations
Clinical Characteristics of Multiple Colorectal Adenoma Patients Without Germline APC or MYH Mutations.
Alan H. Tieu, Daniel L. Edelstein, Jennifer E. Axilbund, Katharine E. Romans, Lodewijk A.A. Brosens, Elizabeth L. Wiley, Linda M. Hylind, Francis M. Giardiello> ;Journal of Clinical Gastroenterology. 2016 Aug 1
17 citations
EUS-guided gastrojejunostomy for management of complete gastric outlet obstruction
Mouen A. Khashab, Alan H. Tieu, Alba Azola, Saowanee Ngamruengphong, Mohamad H. El Zein, Vivek Kumbhari> ;Gastrointestinal Endoscopy. 2015 Oct 1
4 citations
Endoscopic reversal of gastric bypass for severe malnutrition after Roux-en-Y gastric bypass surgery
Saowanee Ngamruengphong, Vivek Kumbhari, Alan H. Tieu, Stuart K. Amateau, Patrick I. Okolo> ;Gastrointestinal Endoscopy. 2015 Oct 1
2 citations
Novel technique for the management of staple line leaks after sleeve gastrectomy.
Vivek Kumbhari, Alan H. Tieu, Jennifer X. Cai, Patrick I. Okolo, Michael Schweitzer, Mouen A. Khashab> ;Gastrointestinal Endoscopy. 2015 Oct 1
2 citations
Endoscopic management of stomal stenosis after Roux-en-Y gastric bypass
Vivek Kumbhari, Alan H. Tieu, Saowanee Ngamruengphong, Gerard Aguila, Michael Schweitzer, Mouen A. Khashab, Vikesh K. Singh> ;Gastrointestinal Endoscopy. 2015 Oct 1
3 citations
Over-the-scope clips for transoral gastric outlet reduction as salvage therapy for weight regain after Roux-en-Y gastric bypass.
Vivek Kumbhari, Jennifer X. Cai, Alan H. Tieu, Anthony N. Kalloo, Mouen A. Khashab> ;Endoscopy. 2015 Jun 24
28 citations
Diagnostic and therapeutic utility of SpyGlass® peroral cholangioscopy in intraductal biliary disease: Single-center, retrospective, cohort study
Alan H Tieu, Vivek Kumbhari, Neha Jakhete, Frances Onyimba, Yuval A. Patel, Eun Ji Shin, Zhiping Li> ;Digestive Endoscopy. 2015 May 1
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