RobertCowlesMDFACS, FAAP

General Surgery • New Haven, CT

Hepatobiliary Surgery, Pancreas, Pediatric General Surgery

Professor, Yale School of Medicine

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Office
333 Cedar Street, FMB 131
P.O. Box 208062
New Haven, CT 06520
Phone+1 203-785-2701

Fax+1 203-785-3820
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Education & Training

New York Presbyterian Hospital (Columbia Campus)Fellowship, Pediatric Surgery, 2002 - 2004
University of Michigan Health SystemResidency, Surgery, 1995 - 2002
Lewis Katz School of Medicine at Temple UniversityClass of 1995

Certifications & Licensure

MI State Medical License 1998 - 2026
NY State Medical License 2002 - 2025
CT State Medical License 2004 - 2024
FL State Medical License 2017 - 2021
American Board of Surgery Surgery
American Board of Surgery Pediatric Surgery

Awards, Honors, & Recognition

Top Doctors: New York Metro Area Castle Connolly, 2014
Fellow (FACS) American College of Surgeons

Publications & Presentations

PubMed

The Burden of Congenital Heart Disease and Urogenital Lesions in a National Cohort of Hirschsprung Patients.
Pooja S Salvi, Robert A Cowles> ;Journal of Pediatric Surgery. 2023 Nov 1
Antibiotic-induced microbial depletion enhances murine small intestinal epithelial growth in a serotonin-dependent manner.
Pooja S Salvi, Matthew P Shaughnessy, Kaelyn D Sumigray, Robert A Cowles> ;American Journal of Physiology. Gastrointestinal and Liver Physiology. 2023 Jul 1
1 citations
Comparing Serum Matrix Metalloproteinase-7 in Parenteral Nutrition-Associated Liver Disease and Biliary Atresia.
Pooja S Salvi, Rima Fawaz, Robert A Cowles> ;The Journal of Pediatrics. 2022 Oct 1
1 citations
Variability in pediatric appendectomy: The association between disposable supply cost and procedure duration.
Pooja S Salvi, Robert A Cowles, P Stephen Oh, Daniel G Solomon> ;Surgery. 2022 Aug 1
2 citations
Index Admission Cholecystectomy and Recurrence of Pediatric Gallstone Pancreatitis: Multicenter Cohort Analysis.
Armando S Muñoz Abraham, Hector Osei, Adam Bajinting, Robert A Cowles, Jose Greenspon, Brain D Hosfield, Martin S Keller, Matthew P Landman, Hawkins Owens, Matthew P S...> ;Journal of the American College of Surgeons. 2022 Mar 1
Jejunoileal mucosal growth in mice with a limited microbiome.
Matthew P Shaughnessy, Christine J Park, Pooja S Salvi, Robert A Cowles> ;Plos One. 2022 Jan 1
121 citations
Butyrate and the Intestinal Epithelium: Modulation of Proliferation and Inflammation in Homeostasis and Disease.
Pooja S Salvi, Robert A. Cowles> ;Cells. 2021 Jul 14
Cholecystectomy Is Superior to Medical Management for Biliary Pain in Pediatric Patients.
Pooja A Shah, Saurabh Saluja, Robert A. Cowles> ;Journal of Gastrointestinal Surgery. 2021 Jul 13
Point-of-Care Ultrasound to Evaluate the Acute Abdomen: A Case of Bowel Perforation After Unknown Single Magnet Ingestion.
Rabia N. Malik, Julie Leviter, Isabel T Gross, Saurabh Saluja, Robert A. Cowles, Antonio Riera> ;Pediatric Emergency Care. 2021 May 18
9 citations
Reducing Underdiagnosis of Hirschsprung-Associated Enterocolitis: A Novel Scoring System.
Ruth A. Lewit, Laura V. Veras, Robert A. Cowles, Kathryn L Fowler, Sebastian K. King, Eveline Lapidus-Krol, Jacob C. Langer, Christine J. Park, Fouad Youssef, Sergey V...> ;The Journal of Surgical Research. 2021 May 1
5 citations
Trends in fundoplication volume for pediatric gastroesophageal reflux disease.
Nathan L. Maassel, Matthew P. Shaughnessy, Daniel G. Solomon, Robert A. Cowles> ;Journal of Pediatric Surgery. 2021 Feb 24
15 citations
Laparoscopy is increasingly used for pediatric inguinal hernia repair
Matthew P. Shaughnessy, Nathan L. Maassel, Nicholas Yung, Daniel G. Solomon, Robert A. Cowles> ;Journal of Pediatric Surgery. 2021 Jan 27
Duodenal Duplication Cyst
Pooja A Shah, Saurabh Saluja, Robert A. Cowles> ;Journal of Gastrointestinal Surgery. 2021 Jan 14
20 citations
Serotonin as a Mitogen in the Gastrointestinal Tract: Revisiting a Familiar Molecule in a New Role.
Pooja A Shah, Christine J. Park, Matthew P. Shaughnessy, Robert A. Cowles> ;Cellular and Molecular Gastroenterology and Hepatology. 2021 Jan 1
3 citations
Outcomes following adoption of a standardized protocol for abscess drain management in pediatric appendicitis.
Lindsay Eysenbach, Michael G. Caty, Emily R. Christison-Lagay, Robert A. Cowles, Brian Dillon, Thomas R. Goodman, Doruk Ozgediz, David H. Stitelman, Daniel G. Solomon> ;Journal of Pediatric Surgery. 2021 Jan 1
1 citations
Mucosal characteristics vary across developmental stages in the small intestine of C57BL/6J mice.
Christine J. Park, Matthew P. Shaughnessy, Robert A. Cowles> ;Life Sciences. 2020 Nov 1
5 citations
National Survey of Pediatric Intestinal Rehabilitation Programs in the United States.
Christine J. Park, Matthew P. Shaughnessy, Lucy Zhang, Sarah J. Armenia, Michael G. Caty, Robert A. Cowles> ;JPEN. Journal of Parenteral and Enteral Nutrition. 2021 Aug 1
Pediatric unilobar resection in primary ciliary dyskinesia.
Carlos S Sendon, Robert A. Cowles, David J. Worhunsky, Daniel Hodson, Raffaella A. Morotti, Alia Bazzy-Asaad, Americo E. Esquibies> ;Minerva Pediatrics. 2020 Jul 29
2 citations
Antenatally detected liver and biliary pathology.
Matthew P. Shaughnessy, Michele Spencer-Manzon, Robert A. Cowles> ;Seminars in Pediatric Surgery. 2020 Jul 24
2 citations
The M1 muscarinic acetylcholine receptor in the crypt stem cell compartment mediates intestinal mucosal growth
Chasen J. Greig, Sarah J. Armenia, Robert A. Cowles> ;Experimental Biology and Medicine. 2020 Jul 1
10 citations
A Quality Improvement Project to Improve First Case On-time Starts in the Pediatric Operating Room.
Dinesh S Pashankar, Anna M Zhao, Rebecca Bathrick, Cindy Taylor, Heidi Boules, Robert A. Cowles, Matthew Grossman> ;Pediatric Quality & Safety. 2020 Jun 24
1 citations
Pre-operative screening for biliary atresia in cholestatic infants: A case for percutaneous liver biopsy.
Matthew P. Shaughnessy, Mark Davenport, Rima Fawaz, Pamela L. Valentino, Raffaella A. Morotti, Robert A. Cowles> ;Journal of Pediatric Surgery. 2020 Jun 3
22 citations
An Evidence-Based Guideline Supporting Restricted Opioid Prescription after Pediatric Appendectomy.
Mollie R. Freedman-Weiss, Alexander S. Chiu, David J. Worhunsky, Alefteria Manchisi, Isabel Torres-Maldonado, Lisa Sagnella, Michael G. Caty, Robert A. Cowles, Doruk O...> ;Journal of Pediatric Surgery. 2020 Jan 1
2 citations
Outcomes of neonates with listeriosis supported with extracorporeal membrane oxygenation from 1991 to 2017.
Dianne T Lee, Christine J. Park, Steven M. Peterec, Raffaella A. Morotti, Robert A. Cowles> ;Journal of Perinatology. 2020 Jan 1
13 citations
Potentiated serotonin signaling in serotonin re-uptake transporter knockout mice increases enterocyte mass and small intestinal absorptive function.
Chasen J. Greig, Lucy Zhang, Robert A. Cowles> ;Physiological Reports. 2019 Nov 1
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Journal Articles

The 5-HT4 Receptor Agonist Prucalopride Stimulates Mucosal Growth and Enhances Carbohydrate Absorption in the Ileum of the Mouse
Robert Cowles, MD, Journal of gastrointestinal surgery