DemetriusELitwinMDFRCSC, FACS, FICS, MBA

General Surgery • Worcester, MA

Minimally Invasive Surgery

Chair of Surgery and Attending Surgeon University of Massachusetts Medical School and UMass Memorial Medical Center

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Office
55 Lake Ave N
Department Of Surgery
Worcester, MA 01655
Phone+1 508-856-7551

Fax+1 508-334-7476
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Education & Training

University of TennesseeMBA, Business Administration, 2002 - 2002
University Saskatchewan Royal HospitalGeneral Surgery, 1981 - 1986
Summa Health System/NEOMEDInternship, Transitional Year, 1979 - 1980
University Saskatchewan Royal HospitalClass of 1979

Certifications & Licensure

MA State Medical License 1997 - 2025
FL State Medical License 1987 - 1998

Awards, Honors, & Recognition

FRCSC Royal College of Surgeons, 1987
Meaningful Use Stage 1 Certification Centers for Medicare & Medicaid Services, 2011
Fellow American College of Surgeons

Publications & Presentations

PubMed

2 citations
A Fast-track Pathway for Emergency General Surgery at an Academic Medical Center.
Amanda Fazzalari, Shruthi Srinivas, Suraj Panjwani, Natalie Pozzi, Ann Friedrich, Reeti Sheoran, Joseph Sabato, Dawn Durocher, Martin A. Reznek, Francesco A. Aiello, D...> ;The Journal of Surgical Research. 2021 Jun 8
19 citations
Learning curve of robot-assisted transabdominal preperitoneal (rTAPP) inguinal hernia repair: a cumulative sum (CUSUM) analysis
Omar Yusef Kudsi, Naseem Bou-Ayash, Fahri Gokcal, Allison S. Crawford, Sebastian K. Chung, Alexandra Chudner, Demetrius E. M. Litwin> ;Surgical Endoscopy. 2021 Apr 6
5 citations
Learning Curve in Robotic Primary Ventral Hernia Repair Using Intraperitoneal Onlay Mesh: A Cumulative Sum Analysis.
Omar Yusef Kudsi, Fahri Gokcal, Naseem Bou-Ayash, Allison S. Crawford, Sebastian K. Chung, Karen Chang, Demetrius E. M. Litwin> ;Surgical Laparoscopy, Endoscopy & Percutaneous Techniques. 2020 Nov 20
13 citations
Learning Curve of Robotic Rives-Stoppa Ventral Hernia Repair: A Cumulative Sum Analysis.
Omar Yusef Kudsi, Naseem Bou-Ayash, Fahri Gokcal, Allison S. Crawford, Karen Chang, Sebastian K. Chung, Demetrius E. M. Litwin> ;Journal of Laparoendoscopic & Advanced Surgical Techniques. Part A. 2021 Jul 12
4 citations
Treatment of Facial Fractures at a Level 1 Trauma Center: Do Medicaid and Non-Medicaid Enrollees Receive the Same Care?
Amanda Fazzalari, David Alfego, J. Taylor Shortsleeve, Qiming Shi, Jomol Mathew, Demetrius E. M. Litwin, Mitchell A. Cahan> ;The Journal of Surgical Research. 2020 Aug 1
9 citations
Learning curve in robotic transabdominal preperitoneal (rTAPP) ventral hernia repair: a cumulative sum (CUSUM) analysis.
Omar Yusef Kudsi, Fahri Gokcal, Naseem Bou-Ayash, Allison S. Crawford, Sebastian K. Chung, Karen Chang, Demetrius E. M. Litwin> ;Hernia. 2021 Jun 1
5 citations
Treatment of Acute Cholecystitis: Do Medicaid and Non-Medicaid Enrolled Patients Receive the Same Care?
Amanda Fazzalari, Natalie Pozzi, David Alfego, Qiming Shi, Nathaniel Erskine, Gary Tourony, Jomol Mathew, Demetrius E. M. Litwin, Mitchell A. Cahan> ;Journal of Gastrointestinal Surgery. 2020 Apr 1
4 citations
Treatment of appendicitis: Do Medicaid and non-Medicaid-enrolled patients receive the same care?
Amanda Fazzalari, Natalie Pozzi, David Alfego, Nathaniel Erskine, Qiming Shi, Gary Tourony, Jomol Mathew, Demetrius E. M. Litwin, Mitchell A. Cahan> ;Surgery. 2019 Nov 1
3 citations
Approach to the Diagnostic Workup and Management of Small Bowel Lesions at a Tertiary Care Center.
Jonathan Green, Christopher R. Schlieve, Ann Friedrich, Kevin P. Baratta, David H. Ma, May Min, Krunal Patel, David M. Stein, David R. Cave, Demetrius E. M. Litwin, Mi...> ;Journal of Gastrointestinal Surgery. 2018 Jan 25
10 citations
Cholecystostomy Treatment in an ICU Population: Complications and Risks.
Ann-Kristin U. Friedrich, Kevin P. Baratta, Joanne Lewis, Adib R. Karam, Margaret Hudlin, Demetrius E. M. Litwin, Mitchell A. Cahan> ;Surgical Laparoscopy, Endoscopy & Percutaneous Techniques. 2016 Oct 1
6 citations
Timing and choice of intervention influences outcome in acute cholecystitis: a prospective study.
Erica B. Sneider, Joanne Lewis, Ann Friedrich, Kevin P. Baratta, Melissa Whitman, Youfu Li, Minakshi Biswas, Demetrius E. M. Litwin, Mitchell A. Cahan> ;Surgical Laparoscopy, Endoscopy & Percutaneous Techniques. 2014 Oct 1
9 citations
Single-incision laparoscopic cholecystectomy using a modified dome-down approach with conventional laparoscopic instruments.
Hongyi Cui, John J. Kelly, Demetrius E. M. Litwin> ;Surgical Endoscopy. 2012 Apr 1
35 citations
Use of Cholecystostomy Tubes in the Management of Patients with Primary Diagnosis of Acute Cholecystitis
Nicole Cherng, Elan R. Witkowski, Erica B. Sneider, Jason T. Wiseman, Joanne Lewis, Demetrius E. M. Litwin, Heena P. Santry, Mitchell A. Cahan, Shimul A. Shah> ;Journal of the American College of Surgeons. 2012 Feb 1
6 citations
Transforming the culture of surgical education: promoting teacher identity through human factors training
Mitchell A. Cahan, Susan Starr, Anne C. Larkin, Demetrius E. M. Litwin, Kate Sullivan, Mark E. Quirk> ;Archives of Surgery. 2011 Jul 18
4 citations
Evaluation of serum cytokine release in response to hand-assisted, laparoscopic, and open surgery in a porcine model.
Sean B. Orenstein, Gordie K. Kaban, Demetrius E. M. Litwin, Yuri W. Novitsky> ;American Journal of Surgery. 2011 Jul 1
24 citations
Athletic pubalgia (sports hernia).
Demetrius E. M. Litwin, Erica B. Sneider, Patrick M. McEnaney, Brian D. Busconi> ;Clinics in Sports Medicine. 2011 Apr 1
23 citations
A human factors curriculum for surgical clerkship students.
Mitchell A. Cahan, Anne C. Larkin, Susan Starr, Scott Wellman, Heather-Lyn Haley, Kate Sullivan, Shimul A. Shah, Michael P. Hirsh, Demetrius E. M. Litwin, Mark E. Quirk> ;Archives of Surgery. 2010 Dec 20
53 citations
Human Emotion and Response in Surgery (HEARS): A Simulation-Based Curriculum for Communication Skills, Systems-Based Practice, and Professionalism in Surgical Residenc...
Anne C. Larkin, Mitchell A. Cahan, Giles F. Whalen, David S. Hatem, Susan Starr, Heather-Lyn Haley, Demetrius E. M. Litwin, Kate Sullivan, Mark E. Quirk> ;Journal of the American College of Surgeons. 2010 Aug 1
44 citations
Surgical management of acute cholecystitis at a tertiary care center in the modern era.
Jason T. Wiseman, Maia N. Sharuk, Anand Singla, Mitchell A. Cahan, Demetrius E. M. Litwin, Jennifer F. Tseng, Shimul A. Shah> ;Archives of Surgery. 2010 May 1
85 citations
Trends in adrenalectomy: a recent national review
Melissa M. Murphy, Elan R. Witkowski, Sing Chau Ng, Theodore P. McDade, Joshua S. Hill, Anne C. Larkin, Giles F. Whalen, Demetrius E. M. Litwin, Jennifer F. Tseng> ;Surgical Endoscopy. 2010 Mar 25
4 citations
Massachusetts health insurance mandate: effects on neurosurgical practice.
Anthony M. Burrows, Richard P. Moser, John P. Weaver, Demetrius E. M. Litwin, Julie G. Pilitsis> ;Journal of Neurosurgery. 2010 Jan 1
8 citations
Laparoscopic cholecystectomy.
Demetrius E M Litwin, Mitchell A Cahan> ;The Surgical Clinics of North America. 2008 Dec 1
23 citations
Use of Laparoscopy in Evaluation and Treatment of Penetrating and Blunt Abdominal Injuries
Gordie K. Kaban, Yuri W. Novitsky, Richard A. Perugini, Liam A. Haveran, Donald R. Czerniach, John J. Kelly, Demetrius E. M. Litwin> ;Surgical Innovation. 2008 Mar 1
380 citations
Perioperative mortality for pancreatectomy: a national perspective.
James T. McPhee, Joshua S. Hill, Giles F. Whalen, Maksim Zayaruzny, Demetrius E. M. Litwin, Mary E. Sullivan, Frederick A. Anderson, Jennifer F. Tseng> ;Annals of Surgery. 2007 Aug 1
13 citations
Metabolic characterization of nondiabetic severely obese patients undergoing Roux-en-Y gastric bypass: preoperative classification predicts the effects of gastric bypa...
Richard A. Perugini, Steven H. Quarfordt, Stephen P. Baker, Donald R. Czerniach, Demetrius E. M. Litwin, John J. Kelly> ;Journal of Gastrointestinal Surgery. 2007 Jun 23
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Lectures

Digestive Diseases Ideas and Innovation for the 21st Century
University of Massachusetts Medical Center, Worcester, Massachusetts - 5/3/2013

Press Mentions

Caresyntax and UMass Medical School Program on Surgical Safety Selected for 2020 Massachusetts Digital Health Sandbox NetworkJanuary 19th, 2021
Bruins' Brad Marchand, David Pastrnak Likely to Miss Start of 2020-21 Season After Offseason SurgeriesOctober 13th, 2020

Professional Memberships

Hospital Affiliations

UMass Memorial Medical CenterWorcester, Massachusetts
Milford Regional Medical CenterMilford, Massachusetts