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Echocardiographic measures of ventricular function and pulmonary artery size: prognostic markers of congenital diaphragmatic hernia?
MedLine Citation:
PMID:  21311494     Owner:  NLM     Status:  Publisher    
Abstract/OtherAbstract:
Objective:To compare echocardiographic measures of biventricular function and pulmonary artery size in infants with congenital diaphragmatic hernia (CDH) and normal controls, and examine their correlation, if any, with outcomes in CDH.Study Design:We included consecutive neonates (<1 month old) with CDH and term controls without structural heart defects. Clinical and outcomes data were recorded and echocardiograms evaluated for right ventricular (RV) and left ventricular (LV) myocardial performance index (MPI), cardiac output index (CI) and McGoon index, among others. Statistical analyses (SPSS version 17, SPSS, Chicago, IL, USA) included between-group comparisons, using analysis of variance and χ (2)-test and binary regression, with significance set at P<0.05.Result:Infants with CDH (n=34) were comparable with controls (n=35) in their age, weight, gestational age and gender. CDH was left sided in 24 (70%) neonates. Extracorporeal membrane oxygenation (ECMO) was required in 15 (45%) neonates; 18 (53%) infants survived. MPIs, CI and eccentricity index in systole were significantly worse in the CDH group, compared with controls and among CDH infants who died, compared with survivors. Infants with CDH who died or needed ECMO had significantly impaired MPIs and CI than survivors. On regression analyses, LV CI and MPIs were independently associated with mortality.Conclusion:Infants with CDH had significantly impaired ventricular function and pulmonary hypertension, compared with controls. In the CDH group, LV dysfunction was associated with death and adverse outcomes. Further studies incorporating echocardiographic indices as prognostic markers of CDH are warranted.Journal of Perinatology advance online publication, 10 February 2011; doi:10.1038/jp.2011.3.
Authors:
S Aggarwal; P Stockmann; M D Klein; G Natarajan
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Publication Detail:
Type:  JOURNAL ARTICLE     Date:  2011-2-10
Journal Detail:
Title:  Journal of perinatology : official journal of the California Perinatal Association     Volume:  -     ISSN:  1476-5543     ISO Abbreviation:  -     Publication Date:  2011 Feb 
Date Detail:
Created Date:  2011-2-11     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  8501884     Medline TA:  J Perinatol     Country:  -    
Other Details:
Languages:  ENG     Pagination:  -     Citation Subset:  -    
Affiliation:
Department of Pediatrics, Children's Hospital of Michigan, Detroit, MI, USA.
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