MarkMattarMD

PubMed

• Depression and the Aberrant Intestinal Microbiome.
  Kopera, A., Khiew, Y., Amer Alsamman, M., Mattar, M., Olsen, R., Doman, D.> ;Gastroenterology & Hepatology. 2024 Jan 1
• 1 citations
  Check this out: treatment paradigms in immune-checkpoint inhibitor colitis.
  Sara Kiparizoska, Megan E Murphy, Mark C Mattar> ;Current Opinion in Gastroenterology. 2023 Jan 1
• Integrating Cognitive Apprenticeship Into Gastroenterology Clinical Training.
  Krystina A Johnson-Laghi, Mark C Mattar> ;Gastroenterology. 2022 Aug 1
• 1 citations
  Improving sessile serrated adenoma detection rates with high definition colonoscopy: A retrospective study.
  Abhinav Sehgal, Soorya Aggarwal, Rohan Mandaliya, Thomas Loughney, Mark C Mattar> ;World Journal of Gastrointestinal Endoscopy. 2022 Apr 16
• 10 citations
  Quality of Care Program Reduces Unplanned Health Care Utilization in Patients With Inflammatory Bowel Disease.
  Gil Y. Melmed, Brant J Oliver, Jason K. Hou, Donald Lum, Siddharth Singh, Damara Crate, Christopher V. Almario, Harry Bray, Catherine Bresee, Mark E. Gerich, Donna Ger...> ;The American Journal of Gastroenterology. 2021 Nov 19
• 4 citations
  Health Economic Impact of a Multicenter Quality-of-Care Initiative for Reducing Unplanned Healthcare Utilization Among Patients With Inflammatory Bowel Disease.
  Christopher V. Almario, Lawrence Kogan, Welmoed K. van Deen, Frank I. Scott, Siddharth Singh, Jason K. Hou, Donald Lum, Humberto Aguilar, John Betteridge, Ann D. Flynn...> ;The American Journal of Gastroenterology. 2021 Nov 3
• 6 citations
  Gastrointestinal hemorrhage in the setting of gastrointestinal cancer: Anatomical prevalence, predictors, and interventions.
  Mohamad A. Minhem, Ahmad Nakshabandi, Rabia Mirza, Mohd Amer Alsamman, Mark Mattar> ;World Journal of Gastrointestinal Endoscopy. 2021 Sep 16
• 26 citations
  Decreased Antibody Responses to Ad26.COV2.S Relative to SARS-CoV-2 mRNA Vaccines in Patients with Inflammatory Bowel Disease.
  Valeriya Pozdnyakova, Gregory J. Botwin, Kimia Sobhani, John Prostko, Jonathan Braun, Dermot P.B. McGovern, Gil Y. Melmed, Keren L. Appel, Andrea Banty, Edward J. Feld...> ;Gastroenterology. 2021 Aug 12
• 9 citations
  Artificial intelligence in inflammatory bowel disease endoscopy: current landscape and the road ahead.
  Suneha Sundaram, Tenzin Choden, Mark Mattar, Sanjal Desai, Madhav Desai> ;Therapeutic Advances in Gastrointestinal Endoscopy. 2021 Jul 14
• 92 citations
  Fecal Microbiota Transplantation Is Highly Effective in Real-World Practice: Initial Results From the FMT National Registry
  Colleen R. Kelly, Eugene F. Yen, Ari Grinspan, Stacy A. Kahn, Ashish Atreja, James D. Lewis, Thomas A. Moore, David T. Rubin, Alison M. Kim, Sonya Serra, Yanina Nerses...> ;Gastroenterology. 2021 Jan 1
• 7 citations
  Role of colonoscopy in diagnosis of capecitabine associated ileitis: Two case reports.
  Alexander E Dao, Ahmad Nakshabandi, Rohan Mandaliya, Sandeep Nadella, Anita Sivaraman, Mark Mattar, Aline Charabaty> ;World Journal of Gastrointestinal Endoscopy. 2019 May 16
• 15 citations
  Oral Vancomycin Induces and Maintains Remission of Ulcerative Colitis in the Subset of Patients With Associated Primary Sclerosing Cholangitis.
  Alexander Dao, Mohamed Modar Abidian, Aimee LeStrange, Mark C. Mattar, Amol S. Rangnekar, Aline Charabaty> ;Inflammatory Bowel Diseases. 2019 Jun 18
• 14 citations
  Safety and efficacy of fecal microbiota transplant in 9 critically ill patients with severe and complicated Clostridium difficile infection with impending colectomy.
  Joseph Alukal, Sudhir K. Dutta, Balarama K Surapaneni, Michelle Le, Obada Tabbaa, Laila Phillips, Mark Mattar> ;Journal of Digestive Diseases. 2019 Jun 1
• 147 citations
  Immune checkpoint inhibitor-induced colitis: A comprehensive review
  Aniruddh Som, Rohan Mandaliya, Dana Alsaadi, Maham Farshidpour, Aline Charabaty, Nidhi Malhotra, Mark Mattar> ;World Journal of Clinical Cases. 2019 Feb 26
• 12 citations
  Improving immunization strategies in patients with inflammatory bowel disease.
  Maham Farshidpour, Aline Charabaty, Mark Mattar> ;Annals of Gastroenterology. 2019 Jan 15
• 11 citations
  Long-Term Safety and Efficacy of Fecal Microbiota Transplantation in the Treatment of Clostridium difficile Infection in Patients With and Without Inflammatory Bowel D...
  Obada Tabbaa, Mohammed M. Aboelsoud, Mark Mattar> ;Gastroenterology Research. 2018 Dec 1
• 11 citations
  Monitoring inflammatory bowel disease during pregnancy: Current literature and future challenges.
  Tenzin Choden, Rohan Mandaliya, Aline Charabaty, Mark Mattar> ;World Journal of Gastrointestinal Pharmacology and Therapeutics. 2018 Feb 6
• Post-endoscopic procedure satisfaction scores: Can we improve?
  Ankita Munjal, Joshua M. Steinberg, Afnan Mossaad, Samuel Kallus, Mark Mattar, Nadim Haddad> ;World Journal of Gastrointestinal Endoscopy. 2018 Jan 16
• 21 citations
  Ipilimumab associated colitis: An IpiColitis case series at MedStar Georgetown University Hospital
  Pawan Rastogi, Mohamed Sultan, Aline Charabaty, Michael B. Atkins, Mark Mattar> ;World Journal of Gastroenterology. 2015 Apr 14
• 10 citations
  Diagnosis and management of common gastrointestinal tract infectious diseases in ulcerative colitis and Crohn's disease patients.
  Marc J. Landsman, Mohamed A. Sultan, Michael P. Stevens, Aline Charabaty, Mark C. Mattar> ;Inflammatory Bowel Diseases. 2014 Dec 1
• 148 citations
  Current management of inflammatory bowel disease and colorectal cancer
  Mark C. Mattar, Denver Lough, Michael J. Pishvaian, Aline Charabaty> ;Gastrointestinal Cancer Research. 2011 Mar 1
• 4 citations
  Clinicopathologic significance of synchronous and metachronous adenomas in colorectal cancer.
  Mark Mattar, Paul Frankel, Donald S. David, Kevin O. Clarke, David Chu, Chungling Jiang, Yun Yen> ;Clinical Colorectal Cancer. 2005 Nov 1
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Journal Articles

• Ipilimumab associated colitis: An ipicolitis case series at medstar Georgetown University Hospital  
  Rastogi P, Sultan M, Charabaty AJ, Atkins MB, Mattar MC, World Journal of Gastroenterology, 1/1/2015
• Median Arcuate Ligament Syndrome – A Cause of Chronic Abdominal Pain in a Patient with Ulcerative Colitis  
  Elizabeth Hill, MD; Mohamed Sultan, MD; Walid Chalhoub, MD; Patrick Jackson, MD; Mark Mattar, MD, Journal of Medical Cases, 1/1/2014
• Diagnosis and Management of Common Gastrointestinal Tract Infectious Diseases in Ulcerative Colitis and Crohn's Disease Patients  
  Marc Landsman, MD; Mohamed Sultan, MD; Michael Stevens, MD; Aline Charabaty, MD; Mark C. Mattar, MD, Inflammatory Bowel Disease, 1/1/2014
• Current management of inflammatory bowel disease and colorectal cancer  
  Mark Mattar, MD; Denver Lough, PhD; Michael J Pishvaian, MD, PhD; Aline Charabaty, MD, Gastrointestinal Cancer Research, 1/1/2011
• Clinicopathologic significance of synchronous and metachronous adenomas in colorectal cancer  
  Mark Mattar, Paul Frankel, Kevin Clarke, Yun Yen, Donald David, David Chu, Clinical Colorectal Cancer, 1/1/2005
• Colorectal cancer screening and prevention.  
  Mark Mattar, MD, Presented at the Community Forum for Colorectal Cancer Awareness, Inova Mount Vernon Hospital
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Abstracts/Posters

• Fish Bone Ingestion as an Etiology for Intramural Duodenal Hematoma.
  James Katsis, MD; Philip Sarges, MD; Mark Mattar, MD, American Journal of Gastroenterology; ACG Annual Scientific Meeting and Postgraduate Course, Philadelphia, PA, 1/17/2014
• Compliance With Colon Cancer Surveillance in the Inflammatory Bowel Disease Population: The Effect of a Formal Health Maintenance Program.
  Neha Nigam, MD; Walid Chalhoub, MD; Stanley Pietrak, MD; Dalia Abdelaziz, MD, MPH; Philip Sarges, MD; Pooja Singhal, MD; Aimee LeStrange, FNP; Mark Mattar, MD; Aline C..., American Journal of Gastroenterology; ACG Annual Scientific Meeting and Postgraduate Course, Philadelphia, PA, 1/17/2014
• Gallbladder Cancer Eroding Into the Duodenum Causing Gastric Outlet Obstruction.
  Nidhi Malhotra, MD; Mohamed Sultan, MD; Mark Mattar, MD, American Journal of Gastroenterology; ACG Annual Scientific Meeting and Postgraduate Course, Philadelphia, PA, 1/17/2014
• Prevalence and Management of C. difficile Infection in Inflammatory Bowel Disease Outpatient and Inpatient Setting at a Tertiary Care Center.
  Pooja Singhal, MD; Neha Nigam, MD; Mark Mattar, MD; Aline Charabaty, MD, American Journal of Gastroenterology; ACG Annual Scientific Meeting and Postgraduate Course, Philadelphia, PA, 1/17/2014
• Compliance With Cervical Health Recommendations in the Inflammatory Bowel Disease Population: The Effect of a Formal Health Maintenance Program.
  Stanley Pietrak, MD; Dalia Abdelaziz, MD, MPH; Neha Nigam, MD; Walid Chalhoub, MD; Pooja Singhal, MD; Philip Sarges, MD; Mark Mattar, MD; Aline Charabaty, MD, American Journal of Gastroenterology; ACG Annual Scientific Meeting and Postgraduate Course, Philadelphia, PA, 1/17/2014
• Compliance With Vaccination Recommendations in the IBD Population: The Effect of a Formal Health Maintenance Program.
  Stanley Pietrak, MD; Philip Sarges,MD, Neha Nigam, MD; Dalia Abdelaziz, MD, MPH; Walid Chalhoub, MD; Pooja Singhal, MD; Aimee LeStrange, FNP; Mark Mattar, MD; Aline Ch..., American Journal of Gastroenterology; ACG Annual Scientific Meeting and Postgraduate Course, Philadelphia, PA, 1/17/2014
• Median Arcuate Ligament Syndrome – A Cause of Chronic Abdominal Pain in a Patient with Ulcerative Colitis.
  Matthew Glading; Mohamed Sultan, MD; Mark Mattar, MD, Georgetown University Department of Medicine Research Day, 1/1/2014
• Ipilimumab Associated Colitis: Georgetown’s Approach to IpiColitis.
  Pawan Rastogi, MD; Mohamed Sultan, MD; Mark Mattar, MD, Regional ACP Meeting; Georgetown University Department of Medicine Research Day, 1/1/2014
• IBD-Associated Malignancies: Are We Screening Often Enough?
  Farah Monzur, MD; Joseph Jennings, MD; Mark Mattar, MD; Aline Charabaty, MD, American Journal of Gastroenterology; ACG Annual Scientific Meeting and Postgraduate Course, San Diego, CA, 1/11/2013
• Colonic Lymphomas Associated with Biologic and Immunomodulator Therapy for Inflammatory Bowel Disease.
  Joseph Jennings, MD; Farah Monzur, MD; Mark Mattar, MD; Aline Charabaty, MD, American Journal of Gastroenterology; ACG Annual Scientific Meeting and Postgraduate Course, San Diego, CA, 1/11/2013
• Cytomegalovirus jejunitis in an immunocompetent patient: A case report.
  Neha Nigam; Dalia Abdelaziz; Walid Chalhoub; Mohamed Sultan; Mark Mattar,MD, American Journal of Gastroenterology; ACG Annual Scientific Meeting and Postgraduate Course, San Diego, CA, 1/11/2013
• Prevalence of Clostridium difficile Infection During IBD Flare-ups in the Outpatient Setting: Experience of a Tertiary Care Center.
  Pooja Singhal, MD; Mary Catherine Daly; Mark Mattar, MD; Aline Charabaty, MD, American Journal of Gastroenterology; ACG Annual Scientific Meeting and Postgraduate Course, San Diego, CA, 1/11/2013
• Stent Placement for Primary Malignant Melanoma of the Esophagus.
  Mark Mattar, MD; Pooja Singhal, MD; Nadim Haddad, MD; Kathy Bull-Henry, MD, American Journal of Gastroenterology, 1/1/2010
• Yield of Double Balloon Enteroscopy (DBE) at a Tertiary Care Hospital: A Two Year Analysis.
  Anchal Sud, MD; Mark C. Mattar, MD; Yasmin Karim, MD; Thomas Taylor, MD; Kathy Bull-Henry, MD, American Journal of Gastroenterology; ACG Annual Scientific Meeting and Postgraduate Course, San Diego, CA, 1/23/2009
• The use of PIVKA-II and AFP for HCC Screening in a VAMC Population with Chronic Liver Disease.
  Mark Mattar, MD; Nissrin Ezmerli, MD; Timothy O. Lipman, MD; Richard L. Amdur, PhD; Robert Dufour, MD, American Journal of Gastroenterology; ACG Annual Scientific Meeting and Postgraduate Course, San Diego, CA, 1/23/2009
• Improving Adherence with PPI Prescribing Guidelines in High-Risk NSAID Users: A Controlled "Before and After" Trial of an Electronic Medical Record Reminder.
  Brennan Spiegel, MD, MSHS; Peter Glassman MBBS, MSc; Gareth Dulai, MD, MSHS; Paul Shekelle, MD, PhD; Mary Farid, DO; Inder Singh, MD; Dan Naim, MD; Wayne Ho, MD; Mark ..., Digestive Disease Week Meeting on Turning Science into Medicine, Chicago, IL, 1/19/2007
• Project Kenya: Malaria Prevention in Rural Africa.
  Mattar, MC, Stevens, MP, Rotblatt, M, Journal of General Internal Medicine; 29th Annual Meeting of the Society of General Internal Medicine, Los Angeles, CA, 1/26/2006
• Spatial distribution of synchronous colorectal adenomas reflect field cancerization effect.
  Kevin Clarke, Mark Mattar, Paul Frankel, David Chu, Yun Yen, Proceedings, American Association of Cancer Research; 96th Annual American Association of Cancer Research Meeting, Anaheim, CA, 1/16/2005
• Improved Survival In Colorectal Cancers with Adenomas.
  Mark Mattar, Paul Frankel, Kevin Clarke, Yun Yen, Donald David, David Chu, Gastroenterology; Journal of Clinical Colorectal Cancer; Digestive Disease Week Meeting on Turning Science into Medicine, Chicago, IL, 1/14/2005
• A Case of Bizarre Belly-Ache.
  Mark Mattar, Kim Trinh, Michael Rotblatt, Soma Wali, Journal of General Internal Medicine; 28th Annual Meeting of the Society of General Internal Medicine; Solomon Scholars Research Forum, Los Angeles, CA, 2004; New Orleans, LA, 2005, 1/11/2005
• Field effect in Colorectal Cancer: What is the evidence?
  Kevin Clarke, Mark Mattar, Paul Frankel, David Chu, 58th Annual Society of Cancer Research Symposium, Atlanta, GA, 1/3/2005
• Tracing the Neuronal Origins of Carcinoid Tumours May Lead to A Novel Diagnostic Approach and Gene Therapy of Carcinoids.
  K. Palm, PhD; Y. Middleton, MS; I. Avital, M.D.; M. Mattar, BS; W. Arnaout, FACS, M.D.; T. Neuman, Sidney Kimmel Cancer Center Eighth International Conference on Gene Therapy of Cancer, San Diego, CA, 1/9/1999
• A case of bizarre bellyache.
  Mark Mattar, Kim Trinh, Michael Rotblatt, Soma Wali, Journal of General Internal Medicine, Annual Meeting of the Society of General Internal Medicine, New Orleans
• A case of bizarre bellyache.
  Mark Mattar, Kim Trinh, Michael Rotblatt, Soma Wali, Journal of General Internal Medicine, Solomon Scholars Research Forum, Los Angeles
• Current Management of inflammatory bowel disease and colorectal cancer.
  Mark Mattar, MD; Denver Lough, PhD; Michael J Pishvaian, MD, PhD; Aline Charabaty, MD, Gastrointestinal Cancer Research
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Lectures

• IBD Linx 3.0: Innovating Medical Education 
  Brigham and Women's Hospital Crohn's and Colitis Center - 1/19/2015
• Infections in IBD: C. Difficile and Fecal Transplant 
  1/18/2015
• State of Celiac Disease 
  1/7/2015
• Resident and Medical Student Lecture Series 
  Georgetown University Hospital - 1/6/2015
• Health Maintenance in IBD 
  Georgetown University - 1/4/2015
• Case Vignettes in Moderate to Severe Crohn's Disease and Ulcerative Colitis 
  Salem Gastroenterology Center, Salem, OH - 1/26/2014
• Moderate to Severe UC and CD 
  Drexel University College of Medicine, Philadelphia, PA - 1/25/2014
• GI Cancer Prevention 
  1/18/2014
• Simponi Landscape Advisory Board Meeting 
  1/13/2014
• GI Fellow Lecture Series: Advances in IBD Therapeutics 
  Georgetown University Hospital - 1/12/2014
• The Latest in IBD: Medical Therapy Update and New Treatments for Patients 
  Inova Fair Oaks Hospital, Fairfax, VA - 1/9/2014
• The Mission: Transition to Remission in IBD 
  Annapolis, MD - 1/7/2014
• Advances in IBD Therapeutics 
  Georgetown University Hospital - 1/28/2013
• Gastroenterology Division Monthly Educational 
  Georgetown University Hospital - 1/28/2013
• GI Fellow Lecture Series: Inflammatory Bowel 
  Georgetown University Hospital - 1/27/2013
• Health Maintenance and Prevention in IBD 
  Crohn’s & Colitis Foundation of America, Holy Cross Hospital - 1/21/2013
• Inflammatory Bowel Disease and Colorectal Cancer 
  Georgetown University Hospital - 1/17/2013
• IBD Management 
  Georgetown University Hospital - 1/11/2013
• Iron Deficiency and IBD 
  1/10/2013
• Inflammatory Bowel Disease 
  Georgetown University Hospital - 1/6/2013
• GI Fellow Lecture Series: IBD Management Options 
  Georgetown University Hospital - 1/4/2013
• Complications of Cirrhosis, Current Management Guidelines 
  West Virginia University School of Medicine, Martinsburg Veterans Affairs Medical Center - 1/17/2012
• IBD Advisory Board 
  1/14/2012
• Management of the Patient with Complicated Inflammatory Bowel Disease 
  MedStar Georgetown University Hospital - 1/1/2012
• Colorectal Cancer Screening and Prevention 
  Inova Mount Vernon Hospital - 1/9/2011
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