| Measurement of right ventricular volume in healthy term and preterm neonates. | |
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MedLine Citation:
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PMID: 12193512 Owner: NLM Status: MEDLINE |
Abstract/OtherAbstract:
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BACKGROUND: Pulmonary hypertension is associated with worse perinatal outcomes in infants with respiratory disorders. In such infants right ventricular dysfunction may result in poor pulmonary blood flow. OBJECTIVE: To evaluate the practicability and repeatability of echocardiographic measurements of right ventricular volume in healthy term and preterm neonates, and to follow changes in right ventricular volume over the first 2 days of life. METHODS: Serial echocardiographic examinations were performed on day 0, 1, and 2 on healthy term and preterm neonates. Two methods of estimating right ventricular volume were assessed: the ellipsoid approximation and Simpson's stacked discs methods. Systolic and diastolic volumes on days 1 and 2 were compared with baseline values on day 0. Term and preterm volumes were compared at the same time points. RESULTS: Thirty five infants were recruited, 18 term and 17 preterm. Right ventricular volumes were significantly lower on day 1 and day 2 than baseline in both term and preterm infants. Median (interquartile range) end systolic and diastolic volumes for term infants on days 0, 1, and 2 were 1.04 (0.88-1.44), 0.82 (0.70-1.03), 0.92 (0.72-0.97) ml/kg and 2.21 (2.10-2.75), 2.05 (1.81-2.38), 1.91 (1.81-2.13) ml/kg respectively. In preterm infants the values were 1.09 (0.91-1.16), 0.72 (0.54-0.91), 0.61 (0.54-0.76) ml/kg and 2.09 (1.71-2.25), 1.47 (1.23-1.98), 1.43 (1.22-1.78) ml/kg respectively. CONCLUSION: Right ventricular volume decreases over the first 2 days of life in healthy term and preterm infants. |
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Authors:
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S J Clark; C W Yoxall; N V Subhedar |
Publication Detail:
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Type: Journal Article; Research Support, Non-U.S. Gov't |
Journal Detail:
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Title: Archives of disease in childhood. Fetal and neonatal edition Volume: 87 ISSN: 1359-2998 ISO Abbreviation: Arch. Dis. Child. Fetal Neonatal Ed. Publication Date: 2002 Sep |
Date Detail:
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Created Date: 2002-08-23 Completed Date: 2002-11-14 Revised Date: 2009-11-18 |
Medline Journal Info:
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Nlm Unique ID: 9501297 Medline TA: Arch Dis Child Fetal Neonatal Ed Country: England |
Other Details:
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Languages: eng Pagination: F89-93; discussion F93-4 Citation Subset: AIM; IM |
Affiliation:
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Neonatal Unit, Liverpool Women's Hospital, Crown Street, Liverpool L8 7SS, UK. rvecho@yahoo.com |
Export Citation:
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| MeSH Terms | |
Descriptor/Qualifier:
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Cardiac Output
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physiology Echocardiography / methods Female Heart / anatomy & histology* Heart Ventricles / anatomy & histology, ultrasonography Humans Infant, Newborn Infant, Premature* Male Ventricular Function, Right |
| Comments/Corrections | |
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