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Hyperglycemia is a marker for poor outcome in the postoperative pediatric cardiac patient*

Yates, Andrew R. MD; Dyke, Peter C. 2nd MD; Taeed, Roozbeh MD; Hoffman, Timothy M. MD; Hayes, John PhD; Feltes, Timothy F. MD; Cua, Clifford L. MD

Pediatric Critical Care Medicine: July 2006 - Volume 7 - Issue 4 - p 351-355
doi: 10.1097/01.PCC.0000227755.96700.98
Cardiac Intensive Care

Objective: Hyperglycemia in critical care populations has been shown to be a risk factor for increased morbidity and mortality. Minimal data exist in postoperative pediatric cardiac patients. The goal of this study was to determine whether hyperglycemia in the postoperative period was associated with increased morbidity or mortality.

Design: Retrospective chart review.

Setting: Tertiary care, free-standing pediatric medical center with a dedicated cardiac intensive care unit.

Patients: We included 184 patients <1 yr of age who underwent cardiac surgery requiring cardiopulmonary bypass from October 2002 to August 2004. Patients with a weight <2 kg, a preoperative diagnosis of diabetes, preoperative extracorporeal membrane oxygenation support, solid organ transplant recipients, and preoperative renal or liver insufficiency were excluded.

Interventions: None.

Measurements and Main Results: Age was 4.3 ± 3.2 months and weight was 4.9 ± 1.7 kg at surgery. Duration of hyperglycemia was significantly longer in patients with renal insufficiency (p = .029), liver insufficiency (p = .006), infection (p < .002), central nervous system event (p = .038), extracorporeal membrane oxygenation use (p < .001), and death (p < .002). Duration of hyperglycemia was also significantly associated with increased intensive care (p < .001) and hospital (p < .001) stay and longer ventilator use (p < .001). Peak glucose levels were significantly different in patients with renal insufficiency (p < .001), infection (p = .002), central nervous system event (p = .01), and mortality (p < .001).

Conclusions: Hyperglycemia in the postoperative period was associated with increased morbidity and mortality in postoperative pediatric cardiac patient. Strict glycemic control may improve outcomes in this patient population.

From the Department of Pediatrics, The Ohio State University College of Medicine and Public Health and Columbus Children's Hospital Heart Center, Columbus, OH.

* See also p. 397.

The authors have not disclosed any potential conflicts of interest.

Address requests for reprints to: Andrew R. Yates, MD, Pediatric Cardiology Fellow, Department of Pediatrics, Section of Cardiology, Columbus Children's Hospital, Columbus, OH 43205-2696. E-mail: yatesa@pediatrics.ohio-state.edu.

©2006The Society of Critical Care Medicine and the World Federation of Pediatric Intensive and Critical Care Societies