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Hyperlactatemia in neonates admitted to the cardiac intensive care unit with critical heart disease.
MedLine Citation:
PMID:  20339308     Owner:  NLM     Status:  In-Process    
Abstract/OtherAbstract:
Neonates with critical heart disease are at risk of significant deficiencies in systemic oxygen delivery. The incidence and clinical pattern of hyperlactatemia in neonates presenting with critical heart disease has not been described. We reviewed the lactate pattern of neonates transferred to our cardiac intensive care unit for surgical management of their heart disease over a 1-year period. Stabilization of these neonates began in the referring institutions. From 8/4/03 to 8/4/04, 75 neonates with critical heart disease were transferred to our unit for stabilization and subsequent surgery. Blood lactate was measured on admission and subsequently in any patient thought to be at risk of low systemic oxygen delivery. Lactate was measured in 59 patients on admission and in 63 patients within the first 48 h of admission. Median age on admission was 1 day (range 0-13). Median age at surgery was 8 days (range 1-30). Median length of stay was 20 days. Peak lactate was noted on admission in 51 patients, and at 12-24 h in 8 patients. Mild hyperlactatemia (2.3-5 mmol/l) was present in 30 patients on admission and moderate-to-severe hyperlactatemia (>or=5 mmol/l) was present in 8 patients. Mean lactate level on admission was 3.1 +/- 0.6 mmol/l, and this did not return to normal (<2.3 mmol/l) until 36 h after admission. Severe hyperlactatemia patients also were noted to have normal lactate levels by 36 h. The presence of hyperlactatemia did not affect length of stay or mortality. There were no preoperative deaths and 4 postoperative deaths (1 death in 38 patients with mild or severe hyperlactatemia). Hyperlactatemia is frequently present in neonates admitted to a tertiary care center for management of congenital heart disease. Blood lactate levels normalize within 36 h. The presence of preoperative hyperlactatemia, even when moderate-to-severe, does not have significant adverse effect on postoperative mortality.
Authors:
Anthony F Rossi; Leo Lopez; Nancy Dobrolet; Danyal Khan; Juan Bolivar
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Publication Detail:
Type:  Journal Article     Date:  2010-03-25
Journal Detail:
Title:  Neonatology     Volume:  98     ISSN:  1661-7819     ISO Abbreviation:  Neonatology     Publication Date:  2010  
Date Detail:
Created Date:  2010-08-11     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  101286577     Medline TA:  Neonatology     Country:  Switzerland    
Other Details:
Languages:  eng     Pagination:  212-6     Citation Subset:  IM    
Copyright Information:
Copyright 2010 S. Karger AG, Basel.
Affiliation:
Cardiac Intensive Care Program, Department of Cardiology, Miami Children's Hospital, Miami, Fla. 33155, USA. anthony.rossi@mch.com
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