Document Detail


Computer analysis of cardiac contractility variables obtained by M-mode echocardiography in normal newborns.
MedLine Citation:
PMID:  7171397     Owner:  NLM     Status:  MEDLINE    
Abstract/OtherAbstract:
There are few echocardiographic studies which examine ventricular cavity and wall dimensions as well as ventricular function in normal newborn infants. We investigated the M-mode echocardiograms of 60 normal newborn infants aged 3 to 6 days using computer analysis. Using the same method, we examined in addition left ventricular cavity dimensions and contractility variables of 15 healthy newborn infants sequentially during the first hour of life. The left and right ventricular diameters, their systolic shortening fraction and maximal rate of change, as well as the thickness of the interventricular septum and the left ventricular posterior wall were found to be comparable to previously published values. In addition, we found that the left ventricular end-diastolic diameter and the systolic shortening fraction of the left ventricular diameter increase significantly during the first hour of life. This increase is probably because of the postnatal increase in left ventricular volume and pressure work.
Authors:
R Hofstetter; A Mayr; G von Bernuth
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Publication Detail:
Type:  Journal Article    
Journal Detail:
Title:  British heart journal     Volume:  48     ISSN:  0007-0769     ISO Abbreviation:  Br Heart J     Publication Date:  1982 Dec 
Date Detail:
Created Date:  1983-02-25     Completed Date:  1983-02-25     Revised Date:  2009-11-18    
Medline Journal Info:
Nlm Unique ID:  0370634     Medline TA:  Br Heart J     Country:  ENGLAND    
Other Details:
Languages:  eng     Pagination:  525-8     Citation Subset:  AIM; IM    
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MeSH Terms
Descriptor/Qualifier:
Computers
Echocardiography / methods*
Female
Humans
Infant, Newborn*
Male
Myocardial Contraction*
Reference Values
Time Factors
Ventricular Function
Comments/Corrections

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