Juan Perez
Medical School: Universidad Internacional del Ecuador Undergraduate: Villanova University

About Dr. Perez

Juan Esteban Perez is a categorical general surgery resident from Quito, Ecuador. He completed his undergraduate studies at Villanova University, where he obtained a Bachelor of Science in Chemical Engineering with a minor in Bioengineering. He earned his medical degree from Universidad Internacional del Ecuador. Additionally, Juan Esteban completed a post-graduate clinical research fellowship at Duke University, focusing on clinical outcomes of bariatric surgery, surgical oncology, and the development of simulation models for surgical skills training. His current research is centered on studying the tumor microenvironment of gastrointestinal stromal tumors (GIST) using advanced bioinformatic methodology while also pursuing a Master of Science in Translational Research. He plans to pursue an academic surgery career in surgical oncology.

Education

2019 - 2020
Research Fellowship, Division of Minimally Invasive and Bariatric Surgery
Duke University, Durham, North Carolina

2008 - 2012
BS - Chemical Engineering/Bioengineering
Villanova University

Societies

3/20 - present
Pennsylvania Medical Society, Member

8/19 - present
American Medical Association, Member

Research

2019 - 2020
Division of Minimally Invasive and Bariatric Surgery, Duke University
Clinical Research (Surgical outcomes, racial disparities, comorbidity resolution after bariatric surgery, revisional bariatric surgery, advanced laparoscopic/robotic training models).

2011 - 2012
Biothermal Sciences Laboratory, Villanova University
Cryopreservation of Human Hybridoma Cells

Publications

Original Papers

  1. Tieniber AD, Perez JE, Hanna AN, DeMatteo RP. Immunotherapy for GI Malignancies, Ready for Prime Time? Ann Surg Oncol. 2023 Mar;30(3):1787-1793. doi: 10.1245/s10434-022-12668-w. Epub 2022 Oct 22. PMID: 36273054.
  2. Yi W, Perez JE, Rosen C, Akalal F, Hassan I, Soriano I. Promoting a Culture of Safety in Cholecystectomy (COSIC) over a decade at a Philippine public regional hospital after the SAGES International Proctoring Course in Laparoscopic Cholecystectomy Course. Surg Endosc. 2023 Jan;37(1):613-616. doi: 10.1007/s00464-022-09355-y. Epub 2022 Jun 13. PMID: 35697851.
  3. Welsh LK, Davalos G, Diaz R, Narvaez A, Perez JE, Castro M, Kuchibhatla M, Risoli T, Portenier D, Guerron AD. Magnetic Liver Retraction Decreases Postoperative Pain and Length of Stay in Bariatric Surgery Compared to Nathanson Device. J Laparoendosc Adv Surg Tech A. 2021 Feb;31(2):194-202. doi: 10.1089/lap.2020.0388. Epub 2020 Jul 14. PMID: 32678701; PMCID: PMC7885817.
  4. Perez JE, Schmidt MA, Narvaez A, Welsh LK, Diaz R, Castro M, Ansari K, Cason RW, Bilezikian JA, Hope W, Guerron AD, Yoo J, Levinson H. Evolving concepts in ventral hernia repair and physical therapy: prehabilitation, rehabilitation, and analogies to tendon reconstruction. Hernia. 2021 Aug;25(4):1-13. doi: 10.1007/s10029-020-02304-5. Epub 2020 Sep 21. PMID: 32959176.
  5. Guerron AD, Perez JE, Risoli T Jr, Lee HJ, Portenier D, Corsino L. Performance and improvement of the DiaRem score in diabetes remission prediction: a study with diverse procedure types. Surg Obes Relat Dis. 2020 Oct;16(10):1531-1542. doi: 10.1016/j.soard.2020.05.010. Epub 2020 May 23. PMID: 32690456.
  6. Welsh LK, Luhrs AR, Davalos G, Diaz R, Narvaez A, Perez JE, Lerebours R, Kuchibhatla M, Portenier DD, Guerron AD. Racial Disparities in Bariatric Surgery Complications and Mortality Using the MBSAQIP Data Registry. Obes Surg. 2020 Aug;30(8):3099-3110. doi: 10.1007/s11695-020-04657-3. PMID: 32388704; PMCID: PMC7223417.
  7. Narvaez, A., Ortega, C., Davalos, G., Perez, J.E., Diaz, R., Welsh, L.K., Chtchetinin, J., Garzon, N., Friedman, K., Jain-Spangler, K., Portenier, D., Guerron, A.D.: Scars Matter: The Importance of Incision Decisions in Bariatric Patients. Obes Surg. 2020 Apr;30(4):1611-1615
  8. Diaz, R., Welsh, L.K., Perez, J.E., Narvaez, A., Davalos, G., Portenier, D., Guerron, A.D. Endoscopic septotomy as a treatment for leaks after sleeve gastrectomy. Endosc Int Open. 2020 Jan;8(1):E70-E75

Abstracts/Presentations

  1. Perez, J.E., Davalos, G., Narvaez, A., Castro, M., Peeler, S. Tripplet, L., Portenier, D., Sudan, R., Guerron, A.D. (August, 2020). Design and Initial Experience with Low-Cost, Advanced, Procedure Specific Laparoscopic Training Models. Poster Presentation at the 2020 Sages Annual Meeting (Emerging Technologies Session), Cleveland, OH.
  2. Perez, J.E., Narvaez, A., Castro, M., Guerron, A.D., Portenier, D., Luhrs, A. (August, 2020). Laparoscopic Repair of an Iatrogenic Diaphragmatic Hernia in a Patient Undergoing RYGB. Oral Presentation at the 2020 Sages Annual Meeting, Cleveland, OH.
  3. Perez, J.E., Castro, M., Narvaez, A., Guerron, A.D., Zani, S. (August, 2020). Robotic Median Arcuate Ligament Syndrome Decompression. Oral Presentation at the 2020 Sages Annual Meeting, Cleveland, OH.
  4. Castro, M., Perez, J.E., Narvaez, A., Guerron, A.D. (August, 2020). Triple Neurectomy: Management for Postoperative Chronic Groin Pain. Oral Presentation at the 2020 Sages Annual Meeting, Cleveland, OH.
  5. Narvaez, A., Perez, J.E., Castro, M., Portenier, D., Guerron, A.D. (August, 2020) RYGB Conversion to SIPS due to Weight Recidivism. Accepted for Oral Presentation at the 2020 Sages Annual Meeting, Cleveland, OH.
  6. Perez, J.E., Creasy, JM., Zani, S. (March, 2020). Robotic Distal Pancreatectomy Following Open Whipple Procedure: Operative Video and Case Report of Second Primary in Remnant Pancreas. AHPBA 2020 Annual Meeting, Miami, FL.
  7. Narvaez, A., Perez, J.E., Guerron, A.D., Yoo, J., Luhrs, A.. (November, 2019). Incidental Gastric Remnant Erosion in a Patient with Band Over Bypass. Oral Presentation presented at: 36th ASMBS Annual Meeting at ObesityWeek 2019; Las Vegas, NV, USA.
  8. Perez, J.E., Narvaez, A., Diaz, R., Welsh, L.K., Davalos, G., Portenier, D., Guerron, A.D.. (September, 2019). Incision-less Liver
    Retraction in the Bariatric Patient An "Attractive" New Technique Oral Presentation presented at: 24th World Congress – International Federation for the Surgery of Obesity and Metabolic Disorders; Madrid, ESP.
  9. Narvaez, A., Davalos, G., Perez, J.E., Diaz, R., Welsh, L.K., Peskoe, S., Portenier, D., Guerron, A.D.. (September, 2019). Minimally invasive Duodenal Switch in Marginal Populations using the MBSAQIP Database. Oral Presentation presented at: 24th World Congress - International Federation for the Surgery of Obesity and Metabolic Disorders; Madrid, ESP.
  10. Narvaez, A., Welsh, L.K., Diaz, R., Perez, J.E., Portenier, D., Guerron, A.D.. (September, 2019). Roux-en-Y Gastric Bypass After Reversed Duodenal Switch Oral Presentation presented at: 24th World Congress - International Federation for the Surgery of Obesity and Metabolic Disorders; Madrid, ESP.
  11. Roldan, E., Narvaez, A., Perez, J.E., Diaz, R., Davalos, G., Welsh, L.K., Portenier, D., Guerron, A.D. (September, 2019). Gastrojejunostomy Perforation Associated with Internal Hernia after Roux-en-Y Gastric Bypass Oral Presentation presented at: 24th World Congress - International Federation for the Surgery of Obesity and Metabolic Disorders; Madrid, ESP.
  12. Perez, J.E., Delgado, C., Chacon, C. (September, 2015). Delayed Clinical Presentation of Congenital Coronary Artery Anomaly Oral Presentation presented at: Trascendiendo Fronteras en Medicina Interna; Quito, Ecuador
  13. Perez, J.E., Pongdee, T., Guarderas J.C.. (December, 2011). Allergen Specific Immunotherapy as a Treatment for Eosinophilic Esophagitis Poster presented at: World Allergy Congress; Cancun, MEX.
  14. Perez, J.E., Pongdee, T., Guarderas J.C.. (December, 2011). Botox Injections in Larynx as a Treatment for Vocal Cord Dysfunction. Poster presented at: World Allergy Congress; Cancun, MEX.
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