EvangelosMessarisMDMD, Ph.D, MBA, FACS, FASCRS

Colon & Rectal Surgery • Boston, MA

Associate Professor of Surgery, Harvard Medical School Division Chief, Colon and Rectal Surgery

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Office
330 Brookline Avenue
Gryzmish 6
Boston, MA 02215
Phone+1 617-667-4159

Fax+1 617-667-2978
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Education & Training

Penn State Milton S Hershey Medical CenterFellowship, Colon and Rectal Surgery, 2010 - 2011
Brown UniversityResidency, Surgery, 2005 - 2010
University of AthensClass of 1999

Certifications & Licensure

MA State Medical License 2018 - 2025
PA State Medical License 2010 - 2018
RI State Medical License 2005 - 2010
American Board of Colon and Rectal Surgery Colon & Rectal Surgery
American Board of Surgery Surgery

Awards, Honors, & Recognition

Fellow (FACS) American College of Surgeons

Clinical Trials

Cimzia Versus Mesalamine for Crohn's Recurrence Start of enrollment: 2013 Feb 01
Terminated
Phase 4

Publications & Presentations

PubMed

Safety and Efficacy of Inpatient Infliximab Rescue Therapy for Acute Crohn's Disease Flares.
Ashlyn E Whitlock, Sumedh Kaul, Kevin R Arndt, Iordanis Zakopoulos, Daniel J Wong, Joseph Feuerstein, Kristen T Crowell, Evangelos Messaris> ;The American Surgeon. 2024 Apr 10
Mental health disorders as a risk factor in young patients with rectal prolapse.
Whitlock, A., Allar, B., Arndt, K., Fakler, M., Cataldo, T., Crowell, K., Fabrizio, A., Messaris, E.> ;Langenbeck's Archives of Surgery. 2024 Feb 23
United States-Based Colorectal Cancer Surgical Trials Lack Representation and Adequate Reporting of Racially and Ethnically Diverse Participants: Systematic Review and...
Ana Sofia Ore, Rodrigo Areán-Sanz, Betty S Liu, Kevin R Arndt, Angelica Hernandez Alvarez, Cristina J Ponce, Paul A Bain, Evangelos Messaris> ;Diseases of the Colon and Rectum. 2024 May 1
Role of Age as a Predictor of Major Complications After Elective Surgery for Ulcerative Colitis.
Areán-Sanz, R., Ore, A., Vigna, C., Cataldo, G., Lynch, A., Cataldo, T., Messaris, E.> ;The American Surgeon. 2024 Apr 1
Impact of neoadjuvant chemotherapy for locally advanced colon cancer on postoperative complications.
Andrew Lynch, Rodrigo Arean-Sanz, Ana Sofia Ore, Giulio Cataldo, Kristen Crowell, Anne Fabrizio, Thomas E Cataldo, Evangelos Messaris> ;Langenbeck's Archives of Surgery. 2023 Sep 19
1 citations
Outcomes Following Recent and Distant Neoadjuvant Radiation in Rectal Cancer: An Institutional Retrospective Review and Analysis of NSQIP.
Kevin Arndt, Ana Sofia Ore, Jeanne Quinn, Anne Fabrizio, Kristen Crowell, Evangelos Messaris, Thomas Cataldo> ;Clinical Colorectal Cancer. 2023 Dec 1
1 citations
Magnetic resonance imaging accuracy in staging early and locally advanced rectal cancer.
Kevin Arndt, Carolina Vigna, Sumedh Kaul, Anne Fabrizio, Thomas Cataldo, Martin Smith, Evangelos Messaris> ;Surgical Oncology. 2023 Oct 1
Beyond the Expected Postoperative Period: Are We Underdiagnosing Low Anterior Resection Syndrome?
Ana Sofia Ore, Carolina Vigna, Rodrigo Arean-Sanz, Jeanne F Quinn, Kristen Crowell, Anne Fabrizio, Evangelos Messaris> ;Journal of Gastrointestinal Surgery. 2023 Nov 1
Early C-reactive protein after colorectal surgery is not predictive of anastomotic leak: a retrospective cohort study.
Praachi Raje, Benjamin G Allar, Kevin R Arndt, Kristen T Crowell, Evangelos Messaris> ;Langenbeck's Archives of Surgery. 2023 Apr 10
3 citations
Impact of National Accreditation Program for Rectal Cancer guidelines on surgical margin status.
Kevin R Arndt, Gabrielle E Dombek, Benjamin G Allar, Alessandra Storino, Aaron Fleishman, Jeanne Quinn, Anne Fabrizio, Thomas E Cataldo, Evangelos Messaris> ;Surgical Oncology. 2023 Dec 1
2 citations
Are IBD Patients Underscored when Determining Postoperative VTE Risk?
Ana Sofia Ore, Carolina Vigna, Anne Fabrizio, Thomas E Cataldo, Evangelos Messaris, Kristen Crowell> ;Journal of Gastrointestinal Surgery. 2023 Feb 1
1 citations
High Complication Rate After Early Ileostomy Closure: Early Termination of the Short Versus Long Interval to Loop Ileostomy Reversal After Pouch Surgery Randomized Trial.
Jon D Vogel, Phillip R Fleshner, Stefan D Holubar, Vitaliy Y Poylin, Scott E Regenbogen, Brandon C Chapman, Evangelos Messaris, Matthew G Mutch, Neil H Hyman> ;Diseases of the Colon and Rectum. 2023 Feb 1
2 citations
Comparative early histologic healing quality of magnetic versus stapled small bowel anastomosis.
Ana Sofia Ore, Ashley Althoff, David R Kull, Thomas J Baldwin, Jeffrey L Van Eps, Evangelos Messaris> ;Surgery. 2023 Apr 1
1 citations
Colorectal cancer screening in a safety-net health system: The intersectional impact of race, ethnicity, language, and mental health.
Benjamin G Allar, Rumel Mahmood, Gezzer Ortega, Taïsha Joseph, Lorky N Libaridian, Evangelos Messaris, Ketan Sheth, Heidi J Rayala> ;Preventive Medicine. 2023 Jan 1
Perioperative use of NSAIDs and the risk of short-term endoscopic recurrence in Crohn's disease patients: A retrospective cohort study.
Israel A Gaytan-Fuentes, Ana Sofia Ore, Carolina Vigna, Carlos A Cordova-Cassia, Kristen T Crowell, Anne C Fabrizio, Thomas E Cataldo, Evangelos Messaris> ;American Journal of Surgery. 2023 Jun 1
5 citations
Immunohistochemical analysis of Tn antigen expression in colorectal adenocarcinoma and precursor lesions.
Gabrielle E Dombek, Ana Sofia Ore, Jane Cheng, Yasuyuki Matsumoto, Jonathan N Glickman, Aaron Fleishman, Jamie Heimburg-Molinaro, Vitaliy Y Poylin, Anne Fabrizio, Thom...> ;BMC Cancer. 2022 Dec 7
Clash of the -itises: An Unexpected Case of Sigmoid Colon Vasculitis.
Carolina Vigna, Stephen H Wang, Ana Sofia Ore, Grant Eickel, Evangelos Messaris> ;ACG Case Reports Journal. 2022 Dec 1
3 citations
Evaluation of Racial/Ethnic Disparities in the Surgical Management of Inflammatory Bowel Disease.
Ana Sofia Ore, Carolina Vigna, Anne Fabrizio, Evangelos Messaris> ;Journal of Gastrointestinal Surgery. 2022 Dec 1
Dose-Intensified Infliximab Rescue Therapy for Severe Ulcerative Colitis Does Not Reduce Short-term Colectomy Rates or Increase Postoperative Complications.
Revanth S Kosaraju, Daniel J Wong, Eve M Roth, Thomas E Cataldo, Anne C Fabrizio, Kristen T Crowell, Joseph D Feuerstein, Evangelos Messaris> ;Diseases of the Colon and Rectum. 2022 Oct 1
2 citations
Disparities in industry funding among Colorectal Surgeons: a cross-sectional study.
Alessandra Storino, Carolina Vigna, John C Polanco-Santana, Ernest Park, Kristen Crowell, Anne Fabrizio, Thomas E Cataldo, Evangelos Messaris> ;Surgical Endoscopy. 2022 Sep 1
Trends in the Management of Non-emergent Surgery for Diverticular Disease and the Impact of Practice Parameters.
Ana Sofia Ore, Benjamin G Allar, Anne Fabrizio, Thomas E Cataldo, Evangelos Messaris> ;The American Surgeon. 2023 Nov 1
1 citations
Single Center Experience with Umbilical Stomas Following Colorectal Surgery.
Carolina Vigna, Kevin Arndt, Jeremy Dressler, Donna Loehner, Evangelos Messaris> ;Journal of Laparoendoscopic & Advanced Surgical Techniques. Part A. 2022 Apr 1
1 citations
Expert Commentary on Postoperative Acute Kidney Injury in Colorectal Surgery.
Evangelos Messaris> ;Diseases of the Colon and Rectum. 2022 Mar 1
11 citations
Evaluation of sutureless anastomosis after ileostomy takedown using the self-forming magnet anastomosis system in a porcine model.
Ana Sofia Ore, Erik Askenasy, Marvin Ryou, Thomas Baldwin, Christopher C Thompson, Evangelos Messaris> ;Surgical Endoscopy. 2022 Oct 1
1 citations
Oncotype DX testing does not affect clinical practice in stage IIa colon cancer.
Benjamin G Allar, Evangelos Messaris, Vitaliy Y Poylin, Benjamin L Schlechter, Thomas E Cataldo> ;Medical Oncology. 2022 Feb 12
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