Stew Mackie, MD, is a pediatric cardiologist and Program Director of the University of Connecticut Pediatric Residency Program. Dr. Mackie’s clinical interests include hyperlipidemia, general pediatric cardiology, and non-invasive imaging. In his free time, Dr. Mackie enjoys watching his two children playing sports, running outside, and enjoying the outdoors.


Dartmouth Geisel School of Medicine


Brown University/Rhode Island Hospital-Lifespan


University of Michigan

American Board of Pediatrics - Pediatric Cardiology
American Board of Pediatrics - Pediatrics

Associate Professor of Pediatrics, University of Connecticut School of Medicine

  • Szycer-Taub N, Mackie S, Peng Y, Ayagari R and Charpie J. “Myocardial Oxidative Stress in Infants Undergoing Cardiac Surgery.” Pediatric Cardiology. 2016 Apr;37(4):746-50.
  • Mackie S, Ayagari R, Zampi J. “Balloon Atrial Septostomy by a Right Internal Jugular Venous Approach in a Newborn with Hypoplastic Left Heart Syndrome with a Restrictive Atrial
  • Mosyak L, Georgiadis K, Shane T, Svenson K, Hebert T, McDonagh T, Mackie S, Olland S, Lin L, Zhong X, Kriz R, Reifenberg EL, Collins-Racie LA,Corcoran C, Freeman B, Zollner R, Marvell T, Vera M, Sum PE, Lavallie ER, Stahl M, and Somers W. “Crystal structures of the two major aggrecan degrading enzymes, ADAMTS4 and ADAMTS5.” Protein Sci. 2008 Jan;17(1):16-21.
  • Flannery CR, Zeng W, Corcoran C, Collins-Racie LA, Chockalingam PS, Hebert T, Mackie SA, McDonagh T, Crawford TK, Tomkinson KN, LaVallie ER, and Morris EA. “Autocatalytic cleavage of ADAMTS-4 (Aggrecanase-1) reveals multiple glycosaminoglycan-binding sites.” J Biol Chem. 2002 Nov 8;277(45):42775-80.
  • Conroy R, Mackie S, and Boney C. “Pediatric Lipid Disorders.” Pediatric Endocrinology: A Practical Guide, 3ed (Radovick & Misra, ed.). New York, NY. Springer, In Press anticipated publication March
  • Alario A (editor), Birnkrant J (editor), and Mackie S (student editor). Practical Guide to the Care of the Pediatric Patient. Philadelphia, PA. Elsevier,

Locations for this Doctor

Exterior view of Connecticut Children's Medical Center in Hartford

Connecticut Children’s Medical Center – Hartford

282 Washington Street
Hartford, CT06106
United States