in
September 03, 2025
Dr. Mehrotra speaks English, Hindi, and basic Korean
Specialties
Board Certification:
Education:
Saint Louis University School of Medicine, St. Louis, MO
Residency:
General Surgery - University of Buffalo Jacobs School of Medicine and Biomedical Sciences, Buffalo, NY
Fellowship:
Colon and Rectal Surgery Program - Rutgers New Jersey Medical School, Newark, NJ
Memberships in Societies:
Society of American Gastrointestinal and Endoscopic Surgeons (SAGES)
American Society of Colon and Rectal Surgeons (ASCRS)
Association of Women Surgeons (AWS)
Hospital Affiliations:
The Miriam Hospital
Women & Infants Hospital
Research:
2021-2023 Effects of Income and Race on Adenoma Detection Rate
University of Buffalo, Division of Surgery
Advisor: John Ortolani, MD.
2021-2022 Quantification of Bowel Perfusion using Laser Speckle Contrast
Imaging (LSCI)
Clinical Research/ Engineering at Activ Surgical, Inc
Advisor: Peter CW Kim, MD, PhD.
2016-2018 Survival after Laryngectomy Refusal for Locally Advanced Laryngeal
Squamous Cell Carcinoma
Saint Louis University Division of Otolaryngology
Advisor: Ronald Walker, MD; Sean Massa, MD
2016-2017 The Superolateral Capsular Sling (SLCS) for Correction of Breast
Implant Lateralization
Saint Louis University Division of Plastic and Reconstructive Surgery
Advisor: Christina Plikaitis, MD; Eleanor Bucholz, MD
2012-2014 Studying the Effects of AKT Phosphorylation on the Chemosensitivity of
Hepatocellular Carcinoma (HCC) Cells
Liver Research Center, Rhode Island Hospital and Warren Alpert Medical
School of Brown University
Advisor: Zoltan Derdak, MD
2012-2014 Inhibiting Glycolysis in Liver Cancer by TIGAR Overexpression to
Improve Chemosensitivity
Liver Research Center, Rhode Island Hospital and Warren Alpert Medical
School of Brown University
Advisor: Zoltan Derdak, MD
Publications:
- 2023 Mehrotra S., Liu YZ, Nwaiwu CA, Buharin VE, Stolyarov R., Schwaitzberg SD, Kalady MF,
Kim PCW. “Real-time Quantification of Bowel Perfusion using Laparoscopic Laser Speckle
Contrast Imaging (LSCI) in a Porcine Model”. BMC Surg 23, 261 (2023). Published August 31,
2023 - 2023. Mehrotra S., Liu YZ, Buharin VE, Oberlin J., Marois M., Nwaiwu CA, Filicori F., Wilson EB,
Kim PCW. “Dye-less, Real-time Perfusion Quantification of Porcine Gastric Tube using Laser
Speckle Contrast Imaging and Laser Doppler Imaging”. Journal of Gastrointestinal Surgery.
2023 May 25. - 2023 Liu YZ, Mehrotra S., Nwaiwu CA, Buharin VE, Oberlin J., Stolyarov R., Schwaitzberg SD, Kim
PCW. “Real-time Quantification of Small Intestine Perfusion and Responses to Arterial Versus
Venous Occlusion Using Laser Speckle Contrast Imaging in Porcine Intestinal Model”.
Langenbeck’s Archives of Surgery. 2023 Mar 2;408(1):114. - 2023 NoëlJ., Mascarenhas A., Nwaiwu CA, Liu YZ, Buharin VE, Oberlin J., Mehrotra S., Dechert AF,
Kim PCW, Patel V. “Laser Speckle Contrast Imaging Compared to Indocyanine Green in Renal
Perfusion of a Porcine Model”. Current Urology 17(2):p 141-145, June 2023. - 2022 Liu YZ, Shah SK, Sanders, CM, Nwaiwu CA, Dechert AF, Mehrotra S., Schwaitzberg SD, Kim
PCW, Wilson EB. “Utility and Usability of Laser Speckle Contrast Imaging (LSCI) for Displaying
Real-time Tissue Perfusion/Blood flow in Robot Assisted Surgery (RAS): Comparison to Use
and in Laparoscopic Surgery”. Surgical Endoscopy. 2022 Sep 15;1-9.
Abstracts and Presentations (*= Oral presentations presented by me)
- Mehrotra S., Wilkins K. “Syphilis Associated Colitis Mimicking Inflammatory Bowel Disease in
an Immunocompromised HIV Positive Patient”. American Society of Colon and Rectal Surgeons.
San Diego, CA. Poster Presentation: May 13, 2025 - Mehrotra S., Wilkins K., Chinn B., Notaro J., Kuritzkes B., Alva S. “Use of Hyaluronidase with
Local Anesthetic in the Treatment of Grade IV internal hemorrhoids”. American Society of
Colon and Rectal Surgeons. San Diego, CA. Poster Presentation: May 11, 2025 - *Mehrotra S., K. Wilkins “Syphilis Associated Colitis Mimicking Inflammatory Bowel Disease
in an Immunocompromised HIV Positive Patient” New York Society of Colon and Rectal
Surgeons, NYC, NY. Podium Presentation: October 2024. - Mehrotra S., Savulionyte G., Yu I., Ortolani J. “Effects of Race and Income on Adenoma
Detection Rates in Screening Colonoscopies”. American Society of Colon and Rectal Surgeons.
Seattle, WA. Poster Presentation: June 2023. - Mehrotra S., Hattingh, G., Yu I., Falvo M. “Colonic Phytobezoar as a rare cause of Large Bowel
Obstruction: A Case Study”. American Society of Colon and Rectal Surgeons. Seattle, WA.
Poster Presentation: June 2023. - Mehrotra S., Liu YZ, Buharin VE, Nwaiwu CA, Kalady MF, Kim PCW. “Real-time
Intraoperative Comparison of Mucosal and Serosal Perfusion of Rectosigmoid Anastomosis
Using Laser Speckle Contrast Imaging (LSCI) And Indocyanine Green Fluorescence
Angiography (ICG-FA) In A Porcine Model”. Society of American Gastrointestinal and
Endoscopic Surgeons. Montreal, Canada. Poster presentation: April 2023. - Liu YZ, Mehrotra S., Buharin VE, Oberlin J., Marois M., Nwaiwu CA, Bouvy ND, Kim PCW.
“Comparing Real-time Quantification of Tissue Perfusion using Laser Speckle Contrast Imaging
to Laser Doppler Imaging in Porcine Intestinal Anastomosis”. European Association of
Endoscopic Surgery. Kraków, Poland. July 2022. - Liu YZ, Mehrotra S., Buharin VE, Oberlin J., Marois M., Nwaiwu CA, Chand M., Bouvy ND,
Boni L., Kim PCW. “Comparing Real-time Tissue Perfusion Assessment between Laser Speckle
Contrast Imaging and Indocyanine Green Fluorescence in Porcine Small Intestine”. European
Association of Endoscopic Surgery. Kraków, Poland. July 2022. - Nwaiwu, CA, Al-Taher M., Stolyarov R., Liu YZ, Mehrotra S., Kimmig R., Weixler B., Fuchs
HF, Chand M., Nowak K., Park A., Boni L., Bouvy ND. “Quantifying Tissue Perfusion Using
Laser Speckle Contrast Imaging and Correlation with Local Tissue Capillary Lactate”. European
Association of Endoscopic Surgery. Kraków, Poland. July 2022. - 2022 Mehrotra S., Liu YZ, Buharin VE, Oberlin J, Marois M, Nwaiwu CA, Filicori F, Schwaitzberg
SD, Wilson EB, Bouvy ND, Kim PCW. “Relative Perfusion Response of Gastric Tube to Aortic
and Portal Vein Occlusion Measured by Laser Speckle Contrast Imaging (LSCI) in Porcine
Model”. American Society for Metabolic and Bariatric Surgery. Dallas, TX. Poster
Presentation: June 2022. - 2022 Liu YZ, Mehrotra S., Buharin VE, Oberlin J, Marois M., Nwaiwu CA, Filicori F., Wilson EB, Kim
PCW. “Dye-less, Real-time Visualization of Tissue Perfusion in Porcine Gastric Tube Model
using Laser Speckle Contrast Imaging (LSCI) and Laser Doppler Imaging (LDI)”. American
Society for Metabolic and Bariatric Surgery. Dallas, TX. Oral Presentation: June 2022. - 2022 Mehrotra S., Liu YZ, Stolyarov R., Nwaiwu CA, Oberlin J., Schwaitzberg SD, Kim PCW.
“Perfusion Difference in Antimesenteric & Mesenteric Bowel with Laser Speckle Contrast
Imaging”. American Society of Colon and Rectal Surgeons. Tampa, FL. Poster Presentation:
May 2022. - 2022 *Liu YZ, Mehrotra S., Stolyarov R., Nwaiwu CA, Oberlin J., Schwaitzberg SD, Kalady MF, Kim
PCW. “Quantifying Real-Time Bowel Perfusion & Distinguishing Arterial/Venous Obstruction
using Laser Speckle Contrast Imaging (LSCI)”. American Society of Colon and Rectal
Surgeons. Tampa, FL. Oral Presentation: May 2022. - 2022 Savulionyte G., Mehrotra S., Ortolani J. “An Income-based Analysis of Adenoma Detection
Rates in Screening Colonoscopies”. American Society of Colon and Rectal Surgeons. Tampa,
FL. Poster Presentation: May 2022. - 2022 Nwaiwu CA, Liu YZ, Mehrotra S., Wilson EB, Schwaitzberg SD, Park A., Kalady MF, Kim PCW.
“ActivSight: Real-time, Dye-Free Visualization of Bowel Perfusion Using Laser Speckle Contrast
Imaging”. American Society of Colon and Rectal Surgeons. Tampa, FL. Oral Presentation:
May 2022. - 2022 Agarwal AK, Nwaiwu CA, Mehrotra S., Liu YZ, SandersCM, Falvo MA, Wilson EB, Shah SK.
“Usability of Laser Speckle Contrast Imaging for Perfusion Assessment: First 17 Colectomy
Patients”. American Society of Colon and Rectal Surgeons. Tampa, FL. Video Abstract
Presentation: May 2022. - 2022 *Mehrotra S, Liu YZ, Nwaiwu CA, Buharin VE, Oberlin J., Stolyarov R., Schwaitzberg SD, Kim
PCW. “Potential Clinical Utility of Real-Time Tissue Perfusion Quantification Using
Laparoscopic Laser Speckle Contrast Imaging (LSCI) and Differential Responses to Arterial
Versus Venous Occlusion in Porcine Intestine Model”. Society of American Gastrointestinal
and Endoscopic Surgeons. Denver, CO. Oral Presentation: March 2022. - 2022 Mehrotra S, Liu YZ, Buharin VE, Oberlin J., Marois M., Stolyarov R., Nwaiwu CA, Maietta, J.,
Schwaitzberg SD, Kim PCW. “Validation of Novel Quantification Feature for Real Time Tissue
Perfusion Assessment using Laser Speckle Contrast Imaging (LSCI) by Laser Doppler Imaging
(LDI) in a Porcine Model”. Society of American Gastrointestinal and Endoscopic Surgeons.
Denver, CO. Poster Presentation: March 2022. - 2022 Liu YZ, Nwaiwu CA, Dechert AF, Mehrotra S., Shah SK, King ML, Schwaitzberg SD, Kim PCW,
Wilson EB. “Utility and Usability of Laser Speckle Contrast Imaging (LSCI) for Displaying Real-
time Tissue Perfusion/Blood flow in Robot Assisted Surgery (RAS): Comparison to Indocyanine
Green (ICG) Use and in Laparoscopic Surgery”. Society of American Gastrointestinal and
Endoscopic Surgeons. Denver, CO. Oral Presentation: March 2022. - 2018 Massa S., Mehrotra S., Walker, R. “Understanding Patient’s Refusal of Laryngectomies and the
Survival Implications.” International Journal of Radiation Oncology Biology Physics;
100(5):1342-1343, April 2018. 1016/j.ijrobp.2017.12.096. - 2018 Walker, R., Massa S., Mehrotra S. “Understanding Patient’s Refusal of Laryngectomies and the
Survival Implications.” Multidisciplinary Head and Neck Cancers Symposium. Scottsdale,
Arizona. Oral Presentation: Feb 2018. - 2017 Bucholz, E., Mehrotra S., Plikaitis C. “The Superolateral Capsular Sling (SLCS) for Correction
of Breast Implant Lateralization”. American Society of Plastic Surgeons Aesthetica Super
Symposium. New Orleans, LA. Oral Presentation. March 2017. - 2017 Mehrotra S. “Neoadjuvant Chemotherapy for Treatment of Resectable Non-Small Cell Lung
Cancer (NSCLC).” Thoracic Surgery Departmental Presentation at Saint Louis University
Hospital. St. Louis, MO. Oral Presentation: July 2017 (local).
