Document Detail

The natural course of supravalvar aortic stenosis and peripheral pulmonary artery stenosis in Williams's syndrome.
MedLine Citation:
PMID:  2803879     Owner:  NLM     Status:  MEDLINE    
The haemodynamic findings from two serial cardiac catheterisations in ten patients with Williams's syndrome were reviewed. The median ages at study were one and nine years. Raised mean (SD) left ventricular peak systolic pressures associated with supravalvar aortic stenosis increased significantly with time from 121 (25) mm Hg to 153 (29) mm Hg. The peak systolic pressure drop between the left ventricle and aorta (measured in seven patients) increased significantly from 25 (25) mm Hg to 50 (35) mm Hg. Raised right ventricular peak systolic pressure associated with peripheral pulmonary artery stenosis (in eight patients) decreased significantly with time from 52 (26) mm Hg to 28 (6) mm Hg. Supravalvar aortic stenosis in Williams's syndrome seems to progress rapidly, and careful monitoring is indicated. There is a strong likelihood that peripheral pulmonary artery stenosis in Williams's syndrome will improve spontaneously with time.
N G Giddins; J P Finley; M A Nanton; D L Roy
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Publication Detail:
Type:  Journal Article    
Journal Detail:
Title:  British heart journal     Volume:  62     ISSN:  0007-0769     ISO Abbreviation:  Br Heart J     Publication Date:  1989 Oct 
Date Detail:
Created Date:  1989-12-14     Completed Date:  1989-12-14     Revised Date:  2009-11-18    
Medline Journal Info:
Nlm Unique ID:  0370634     Medline TA:  Br Heart J     Country:  ENGLAND    
Other Details:
Languages:  eng     Pagination:  315-9     Citation Subset:  AIM; IM    
Cardiology Department, Izaak Walton Killam Children's Hospital, Halifax, Nova Scotia, Canada.
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MeSH Terms
Abnormalities, Multiple*
Aortic Valve Stenosis / physiopathology*
Blood Pressure
Child, Preschool
Heart Defects, Congenital / physiopathology*
Pulmonary Valve Stenosis / physiopathology*

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