| Development of baroreflex control of heart rate in preterm and full term infants. | |
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MedLine Citation:
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PMID: 11978743 Owner: NLM Status: MEDLINE |
Abstract/OtherAbstract:
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AIM: To study baroreflex maturation by measuring, longitudinally, baroreflex sensitivity in preterm (gestational age 24-37 weeks) and full term infants. METHODS: Baroreflex sensitivity was quantified once a week, one to seven times, by a totally non-invasive method. RESULTS: Baroreflex sensitivity at birth was lower in the preterm infant and increased with gestational age. It also increased with postnatal age, but the values for the preterm infants at term still tended to be lower than the values for full term babies. CONCLUSION: Baroreflex control of heart rate is present in the premature infant, but is underdeveloped and increases with postnatal age. Ex utero maturation seems to be delayed compared with in utero maturation assessed by full term values. These results may reflect sympathovagal imbalance in preterm infants and could identify a population more vulnerable to stress. |
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Authors:
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V Gournay; E Drouin; J-C Rozé |
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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: 86 ISSN: 1359-2998 ISO Abbreviation: Arch. Dis. Child. Fetal Neonatal Ed. Publication Date: 2002 May |
Date Detail:
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Created Date: 2002-04-29 Completed Date: 2002-07-11 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: F151-4 Citation Subset: AIM; IM |
Affiliation:
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Service de Cardiologie Pédiatrique, CHU de Nantes, BP 1005, 44035 Nantes Cedex, France. veronique.gournay@chu-nantes.fr |
Export Citation:
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| MeSH Terms | |
Descriptor/Qualifier:
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Baroreflex
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physiology* Blood Pressure / physiology Gestational Age Heart Rate / physiology* Humans Infant Infant, Newborn Infant, Premature / physiology* Longitudinal Studies |
| Comments/Corrections | |
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