| The Doppler echocardiographic assessment of valvular regurgitation in normal children. | |
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MedLine Citation:
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PMID: 12921295 Owner: NLM Status: MEDLINE |
Abstract/OtherAbstract:
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To determine the frequency of valvular regurgitation, 174 children from birth to 18 years old (mean age 7.42+/-4.54 years), with structurally normal hearts were analyzed. Flow patterns across the four valves were examined by pulsed- (PW), continuous-wave (CW) and color Doppler. Regurgitation was detected in 59.7% of the valves. Tricuspid regurgitation (TR) was most commonly found in 32.8% (n=57), pulmonary regurgitation (PR) in 17.2% (n=30), mitral regurgitation (MR) in 8.6% (n=15), and aortic regurgitation (AR) in 1.1% (n=2). The range of peak velocities of the regurgitant flow with CW were as follows: TR:0.98-2.54 m/sec, PR:0.50-1.80 m/sec, MR:0.72-2.30 m/sec, and AR:1.22-1.25 m/sec. The mean peak velocities of the regurgitant flow were similar with CW and PW measurements (p>0.05). The length of the regurgitant flow with color Doppler was less than 1 cm beyond the mitral and aortic valves. It reached up to 1.8 cm behind the pulmonary and 1.83 cm behind the tricuspid valves. Frequency of valvular regurgitation was unchanged with age (p>0.05). Tricuspid regurgitation was more frequent in males (40.9% versus 23.5%; p=0.016). Regurgitation of tricuspid, pulmonary or mitral valves is relatively common in children with structurally normal hearts. Aortic regurgitation is scarce and the possible pathologic cause should always be carefully sought. |
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Authors:
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Canan Ayabakan; Süheyla Ozkutlu; Ayhan Kiliç |
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Publication Detail:
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Type: Journal Article |
Journal Detail:
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Title: The Turkish journal of pediatrics Volume: 45 ISSN: 0041-4301 ISO Abbreviation: Turk. J. Pediatr. Publication Date: 2003 Apr-Jun |
Date Detail:
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Created Date: 2003-08-18 Completed Date: 2003-11-25 Revised Date: 2004-11-17 |
Medline Journal Info:
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Nlm Unique ID: 0417505 Medline TA: Turk J Pediatr Country: Turkey |
Other Details:
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Languages: eng Pagination: 102-7 Citation Subset: IM |
Affiliation:
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Cardiology Unit, Department of Pediatrics, Hacettepe University Faculty of Medicine, Ankara, Turkey. |
Export Citation:
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| MeSH Terms | |
Descriptor/Qualifier:
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Adolescent Aortic Valve Insufficiency / physiopathology Child Child, Preschool Echocardiography, Doppler* Female Heart Valve Diseases / epidemiology*, physiopathology Humans Infant Infant, Newborn Male Mitral Valve Insufficiency / physiopathology Prevalence Pulmonary Valve Insufficiency / physiopathology Tricuspid Valve Insufficiency / physiopathology |
From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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