Document Detail

Carina angle measurements for diagnosis of patent ductus arteriosus in preterm infants.
MedLine Citation:
PMID:  20881439     Owner:  NLM     Status:  In-Data-Review    
Background: Bedside diagnosis of patent ductus arteriosus (PDA) continues to be important, especially when echocardiography is not readily available. Objective: The aim of our study was to evaluate whether measurement of left main bronchus displacement portrayed on a chest X-ray as a widened carina angle (CA) may support the presumptive diagnosis of PDA. Methods: Displacement of the left bronchus was assessed by measuring the angle between the two main bronchi at the level of the carina in 47 infants with PDA and 73 with no evidence of ductus, all born before 32 weeks of gestation. Results: The PDA group had a significantly wider CA (99.9 ± 12.1°) compared to the no-ductus group (72.9 ±15.7°; p < 0.001). Resolution of the PDA resulted in closure of the CA (62.3 ± 10.8°). We observed a significant and positive association between an increased CA measurement and PDA occurrence (OR = 1.7, 95% CI = 1.4-2.1). A CA cutoff point of 90° had the highest sensitivity (85%) and specificity (85%) for indicating the presence of PDA. Conclusions: Measurement of the CA is an easily accessible and reliable tool that may assist in establishing the diagnosis of PDA.
Tzipora Strauss; Itai Pessach; Elad Jacoby; Irit Schushan-Eisen; Ram Mazkereth; Jacob Kuint
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Publication Detail:
Type:  Journal Article     Date:  2010-09-29
Journal Detail:
Title:  Neonatology     Volume:  99     ISSN:  1661-7819     ISO Abbreviation:  Neonatology     Publication Date:  2011  
Date Detail:
Created Date:  2011-03-30     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  101286577     Medline TA:  Neonatology     Country:  Switzerland    
Other Details:
Languages:  eng     Pagination:  224-30     Citation Subset:  IM    
Copyright Information:
Copyright © 2010 S. Karger AG, Basel.
Department of Neonatology, The Edmond and Lily Safra Children's Hospital, Chaim Sheba Medical Center, Tel Hashomer, Israel.
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