Document Detail

Imperforate tricuspid valve with dysplasia of the right ventricular myocardium, pulmonary valve, and coronary artery: a clinicopathological study of nine cases.
MedLine Citation:
PMID:  1736264     Owner:  NLM     Status:  MEDLINE    
Nine cases of imperforate tricuspid valve associated with dysplasia of the right ventricular myocardium, pulmonary valve, and right coronary artery are described. The mean frontal QRS axis of the electrocardiograms did not indicate left axis deviation in seven of the nine. Two-dimensional echocardiograms showed an imperforate tricuspid valve, normally aligned atrioventricular septum, and an irregular-shaped right ventricular cavity with a thin wall. In three cases with absence of the pulmonary valve, pulsed Doppler echocardiograms of the right ventricular outflow tract revealed antegrade flow during systole and retrograde flow during diastole, and selective angiography through a persistent ductus arteriosus showed retrograde filling of the blind-ended right ventricular cavity via the main pulmonary artery. Necropsy examinations showed an imperforate tricuspid valve with a thin-walled aneurysmal right ventricle in all six cases examined. Pulmonary atresia was observed in two cases, and the absence of the pulmonary valve in four. The right coronary artery was hypoplastic in four cases and absent in two. A shunt operation should be carried out in early infancy to prevent hypoxia after closure of the ductus arteriosus.
K Mori; M Ando; G Satomi; M Nakazawa; K Momma; A Takao
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Publication Detail:
Type:  Journal Article    
Journal Detail:
Title:  Pediatric cardiology     Volume:  13     ISSN:  0172-0643     ISO Abbreviation:  Pediatr Cardiol     Publication Date:  1992 Jan 
Date Detail:
Created Date:  1992-03-12     Completed Date:  1992-03-12     Revised Date:  2008-02-20    
Medline Journal Info:
Nlm Unique ID:  8003849     Medline TA:  Pediatr Cardiol     Country:  UNITED STATES    
Other Details:
Languages:  eng     Pagination:  24-9     Citation Subset:  IM    
Department of Pediatric Cardiology, Heart Institute of Japan, Tokyo Women's Medical College.
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MeSH Terms
Abnormalities, Multiple / diagnosis*
Coronary Vessel Anomalies / diagnosis*
Heart Catheterization
Heart Septal Defects / diagnosis*
Heart Ventricles / abnormalities*
Infant, Newborn
Pulmonary Valve / abnormalities*
Tricuspid Valve / abnormalities*

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