Stress responses in preterm neonates after normal and at‐risk pregnancies
Identifieur interne : 002742 ( Main/Exploration ); précédent : 002741; suivant : 002743Stress responses in preterm neonates after normal and at‐risk pregnancies
Auteurs : Pj Van Reempts [Belgique] ; A. Wouters [Belgique] ; W. De Cock [Belgique] ; Kj Van Acker [Belgique]Source :
- Journal of Paediatrics and Child Health [ 1034-4810 ] ; 1996-10.
English descriptors
Abstract
Objective: To evaluate the autonomic response in preterm neonates born after an at‐risk pregnancy. Methodology: Twenty‐one preterm neonates (gestational age; GA) 29‐37 weeks; bodyweight (BW): 720‐2113 g; postnatal age: 2‐126 days), born after at‐risk pregnancies (stressed (STR) group), were compared to 30 preterm neonates (GA: 26‐36 weeks; BW: 813‐2380 g; postnatal age: 2‐86 days) without any intrauterine risk factor (C group). A 10s pain stimulus was given on the forefoot and heart rate, respiratory rate and blood pressure were measured at 15 and 30 s, at 1, 2, 3, 4 and 5 min. After 10 s ocular compression six cardiac variables were recorded. Results: After the pain stimulus the STR‐group had a significant increase of heart rate at 15 s and an increase of diastolic blood pressure at 30 s. In the C group a significant increase of heart rate at 15 s was recorded. For the respiratory rate both groups showed an initial depression (significant at 15 s in the C group) followed by an increase. The time to react to the ocular compression was significantly shorter in the STR‐group than in the C‐group and thus more parasympathetic. Conclusions: We hypothesize that the different sympathetic and parasympathetic reaction patterns of the vital parameters to triggers in the STR‐group are due to chronic stress, pointing to an altered maturation of the two components of the autonomic nervous system after chronic intrauterine stress (CIUSTR).
Url:
DOI: 10.1111/j.1440-1754.1996.tb00948.x
Affiliations:
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De Cock</name></author><author><name sortKey="Van Acker, Kj" sort="Van Acker, Kj" uniqKey="Van Acker K" first="Kj" last="Van Acker">Kj Van Acker</name></author></titleStmt><publicationStmt><idno type="wicri:source">ISTEX</idno><idno type="RBID">ISTEX:1ABF9E885F94BFE76D0CE165ADACEF7A3903BD3F</idno><date when="1996" year="1996">1996</date><idno type="doi">10.1111/j.1440-1754.1996.tb00948.x</idno><idno type="url">https://api.istex.fr/document/1ABF9E885F94BFE76D0CE165ADACEF7A3903BD3F/fulltext/pdf</idno><idno type="wicri:Area/Istex/Corpus">001448</idno><idno type="wicri:Area/Istex/Curation">001362</idno><idno type="wicri:Area/Istex/Checkpoint">001B53</idno><idno type="wicri:doubleKey">1034-4810:1996:Van Reempts P:stress:responses:in</idno><idno type="wicri:Area/Main/Merge">002886</idno><idno type="wicri:Area/Main/Curation">002742</idno><idno type="wicri:Area/Main/Exploration">002742</idno></publicationStmt><sourceDesc><biblStruct><analytic><title level="a" type="main" xml:lang="en">Stress responses in preterm neonates after normal and at‐risk pregnancies</title><author><name sortKey="Van Reempts, Pj" sort="Van Reempts, Pj" uniqKey="Van Reempts P" first="Pj" last="Van Reempts">Pj Van Reempts</name><affiliation wicri:level="1"><country xml:lang="fr">Belgique</country><wicri:regionArea>Department of Pediatrics, Division of Neonatology, University Hospital, Antwerp</wicri:regionArea><wicri:noRegion>Antwerp</wicri:noRegion></affiliation></author><author><name sortKey="Wouters, A" sort="Wouters, A" uniqKey="Wouters A" first="A" last="Wouters">A. Wouters</name><affiliation wicri:level="1"><country xml:lang="fr">Belgique</country><wicri:regionArea>Department of Pediatrics, Division of Neonatology, University Hospital, Antwerp</wicri:regionArea><wicri:noRegion>Antwerp</wicri:noRegion></affiliation></author><author><name sortKey="De Cock, W" sort="De Cock, W" uniqKey="De Cock W" first="W" last="De Cock">W. 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Methodology: Twenty‐one preterm neonates (gestational age; GA) 29‐37 weeks; bodyweight (BW): 720‐2113 g; postnatal age: 2‐126 days), born after at‐risk pregnancies (stressed (STR) group), were compared to 30 preterm neonates (GA: 26‐36 weeks; BW: 813‐2380 g; postnatal age: 2‐86 days) without any intrauterine risk factor (C group). A 10s pain stimulus was given on the forefoot and heart rate, respiratory rate and blood pressure were measured at 15 and 30 s, at 1, 2, 3, 4 and 5 min. After 10 s ocular compression six cardiac variables were recorded. Results: After the pain stimulus the STR‐group had a significant increase of heart rate at 15 s and an increase of diastolic blood pressure at 30 s. In the C group a significant increase of heart rate at 15 s was recorded. For the respiratory rate both groups showed an initial depression (significant at 15 s in the C group) followed by an increase. The time to react to the ocular compression was significantly shorter in the STR‐group than in the C‐group and thus more parasympathetic. Conclusions: We hypothesize that the different sympathetic and parasympathetic reaction patterns of the vital parameters to triggers in the STR‐group are due to chronic stress, pointing to an altered maturation of the two components of the autonomic nervous system after chronic intrauterine stress (CIUSTR).</div></front></TEI><affiliations><list><country><li>Belgique</li></country></list><tree><country name="Belgique"><noRegion><name sortKey="Van Reempts, Pj" sort="Van Reempts, Pj" uniqKey="Van Reempts P" first="Pj" last="Van Reempts">Pj Van Reempts</name></noRegion><name sortKey="De Cock, W" sort="De Cock, W" uniqKey="De Cock W" first="W" last="De Cock">W. De Cock</name><name sortKey="Van Acker, Kj" sort="Van Acker, Kj" uniqKey="Van Acker K" first="Kj" last="Van Acker">Kj Van Acker</name><name sortKey="Wouters, A" sort="Wouters, A" uniqKey="Wouters A" first="A" last="Wouters">A. Wouters</name></country></tree></affiliations></record>Pour manipuler ce document sous Unix (Dilib)
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