Exercise testing in children with pulmonary valvar stenosis.

Exercise testing in children with pulmonary valvar stenosis. Research Abstract Details 

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Exercise testing in children with pulmonary valvar stenosis. Abstract Text:

J Steinberger,J H Moller,

Pulmonary valvar stenosis with intact ventricular septum is a common anomaly. This lesion poses a fixed obstruction to the right ventricular outflow. The right ventricle ejects the entire cardiac output across the stenotic valve. Right ventricular systolic pressure and oxygen demand are increased at rest and more so with exercise. Exercise tolerance in children and adults with mild valvar pulmonary stenosis is nearly normal, but is diminished in those with moderate and severe stenosis, indicating impaired ability to sustain adequate cardiac output. Following relief of stenosis, cardiac performance improves in children, but remains abnormal in adults. This appears to be related to postoperative resolution of right ventricular hypertrophy in children, whereas myocardial fibrosis may explain the lack of improvement in adults.

Exercise testing in children with pulmonary valvar stenosis. Publishing Authors By Initials

J Steinberger,JH Moller,

For similar cardiovascular diseases: heart diseases: ventricular outflow obstruction research abstracts see: cardiovascular diseases: heart diseases: ventricular outflow obstruction research

PUBMED ID PMID:

MEDLINE DATE: 1999 Jan-Feb

Exercise testing in children with pulmonary valvar stenosis. Journal Published:

PUBLICATION TYPE: Review

Journal: Pediatric cardiology

VOLUME: 20

Page Numbers: 27-31; discussion 32

Journal Abbreviation: Pediatr Cardiol

ISSN: 0172-0643

DAY: 20

MONTH: 02

YEAR: 2008

Exercise testing in children with pulmonary valvar stenosis. Information

Number of References: 17

LANGUAGE: eng

NlmUniqueID: 8003849

Exercise testing in children with pulmonary valvar stenosis. Keywords Mesh Terms:

KEYWORDS: Ventricular Outflow Obstruction

MESH TERMS: physiopathology

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Grant and Affiliation Information for Exercise testing in children with pulmonary valvar stenosis.

AFFILIATION: University of Minnesota, Division of Pediatric Cardiology, Box 94, 420 Delaware Street Southeast, Minneapolis, MN 55455, USA.

Country: UNITED STATES

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MEDLINETA: Pediatr Cardiol

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