Aaron G. DeWitt, MD

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Aaron G. DeWitt, MD, is an attending cardiologist in the Division of Cardiac Critical Care Medicine at Children's Hospital of Philadelphia.

Locations: Main Hospital
Phone: 215-590-4040

Education and Training

Medical School

MD - University of Rochester, School of Medicine and Dentistry, Rochester, NY


Pediatrics - Golisano Children’s Hospital, University of Rochester Medical Center, Rochester, NY (Chief Resident)


Pediatric Cardiology - University of Michigan C.S. Mott Children’s Hospital, Ann Arbor, MI
Pediatric Cardiac Critical Care - University of Michigan C.S. Mott Children’s Hospital, Ann Arbor, MI

Board Certification

Pediatric Cardiology

Titles and Academic Titles

Attending Cardiologist

Attending Cardiac Intensivist

Assistant Professor of Clinical Pediatrics in the Associated Faculty of the Perelman School of Medicine at the University of Pennsylvania

Departments and Services

Research Interests

Mesenteric near-infrared spectroscopy monitoring in neonates after congenital heart surgery

Umbilical venous catheter use in neonates with congenital heart disease

Long-term effects of acute kidney injury after congenital heart surgery

Palliative care in pediatric patients with congenital and acquired heart disease

Chronic critical illness in pediatric patients with congenital and acquired heart disease

Lymphatic disease in pediatric patients with congenital and acquired heart disease and in critically ill infants and children

Quality improvement in congenital heart disease care




Biko DM, DeWitt AG, Pinto EM, Morrison RE, Johnstone JA, Griffis H, O'Byrne ML, Fogel MA, Harris MA, Partington SL, Whitehead KK, Saul D, Goldberg DJ, Rychik J, Glatz AC, Gillespie MJ, Rome JJ, Dori Y: MRI Evaluation of Lymphatic Abnormalities in the Neck and Thorax after Fontan Surgery: Relationship with Outcome. Radiology Apr 2019


O'Byrne ML, Glatz AC, Song L, Griffis HM, Millenson ME, Gillespie MJ, Dori Y, DeWitt AG, Mascio CE, Rome JJ: Association Between Variation in Preoperative Care Before Arterial Switch Operation and Outcomes in Patients With Transposition of the Great Arteries. Circulation 138(19): 2119-2129, Nov 2018. PMCID: 30474422


Wong JH, Selewski DT, Yu S, Leopold KE, Roberts KH, Donohue JE, Ohye RG, Charpie JR, Goldberg CS, DeWitt AG.: Severe Acute Kidney Injury Following Stage 1 Norwood Palliation: Effect on Outcomes and Risk of Severe Acute Kidney Injury at Subsequent Surgical Stages. Pediatr Crit Care Med 17(7): 615-23, Jul 2016.


DeWitt Aaron G, Zampi Jeffrey D, Donohue Janet E, Yu Sunkyung, Lloyd Thomas R: Fluoroscopy-guided Umbilical Venous Catheter Placement in Infants with Congenital Heart Disease. Congenital Heart Dis 10(4): 317-25, Jul-Aug 2015.


DeWitt Aaron G, Charpie John R, Donohue Janet E, Yu Sunkyung, Owens Gabe E: Splanchnic near-infrared spectroscopy and risk of necrotizing enterocolitis after neonatal heart surgery. Pediatric cardiology 35(7): 1286-94, Oct 2014.

Awards and Honors

Samara Mendu Fellow, Universtiy of Michigan Congenital Heart Center

Critical Care Medicine Excellence in Fellow Education, Children's Hospital of Philadelphia

Top Physician Abstract - The Pediatric Cardiac Intensive Care Society 14th Annual International Meeting

Best Poster Award in Congenital Heard Disease, American College of Cardiology 67th Annual Scientific Session & Expo

Early Career Faculty Honor Roll, Children's Hospital of Philadelphia

Leadership and Memberships

Memberships in Professional Organizations

Pediatric Cardiac Critical Care Consortium
Pediatric Cardiac Intensive Care Society