| Estimation of stroke volume using Doppler echocardiography and left ventricular echocardiographic dimensions in infants and children. | |
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MedLine Citation:
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PMID: 3473899 Owner: NLM Status: MEDLINE |
Abstract/OtherAbstract:
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To evaluate the accuracy of noninvasive determination of stroke volume in infants and children, 28 patients (age range 4 weeks to 19 years) were studied. Stroke volume was calculated according to Teichholtz from M-mode echocardiographic tracings of left ventricular dimensions in 8 subjects. Agreement with thermodilution performed within 60 min of echocardiography was good (r = 0.995, y = 0.91x + 1.59, SEE = 1.8 ml). Since stroke volume correlated to body size we corrected for (height)3. After this correction there was still good agreement to thermodilution (r = 0.88, y = 1.29x-7.13, SEE = 7.1 ml/H3). M-mode echocardiography was then used as a reference method for evaluating two different Doppler methods in the remaining 20 subjects. Continuous wave Doppler stroke distance, calculated from the mean velocity, was combined with aortic root area (Method I), and stroke distance calculated from maximum velocity was combined with the aortic interleaflet area (Method II). Good agreement was found with Method I (r = 0.95, y = 1.01x-0.14, SEE = 8.1 ml) and Method II (r = 0.95, y = 1.04x-1.14, SEE = 8.4 ml). However, when stroke volume was normalized for (height)3, Method I was found to be superior to Method II. |
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Authors:
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K Caidahl; M Mellander; K G Sabel; B O Eriksson |
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Publication Detail:
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Type: Comparative Study; Journal Article; Research Support, Non-U.S. Gov't |
Journal Detail:
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Title: Acta paediatrica Scandinavica. Supplement Volume: 329 ISSN: 0300-8843 ISO Abbreviation: Acta Paediatr Scand Suppl Publication Date: 1986 |
Date Detail:
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Created Date: 1987-07-20 Completed Date: 1987-07-20 Revised Date: 2008-11-21 |
Medline Journal Info:
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Nlm Unique ID: 0173166 Medline TA: Acta Paediatr Scand Suppl Country: SWEDEN |
Other Details:
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Languages: eng Pagination: 114-9 Citation Subset: IM |
Export Citation:
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| MeSH Terms | |
Descriptor/Qualifier:
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Adolescent Cardiac Output Child Child, Preschool Echocardiography / methods* Heart Defects, Congenital / physiopathology Heart Ventricles / anatomy & histology Humans Infant Stroke Volume* Thermodilution Ventricular Function* |
From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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