Document Detail


Skin conductance and arousal in the newborn.
MedLine Citation:
PMID:  2241228     Owner:  NLM     Status:  MEDLINE    
Abstract/OtherAbstract:
We measured skin conductance continuously from the sole of a foot in babies of different conceptional ages before, during, and for 10 minutes after a 'heel prick' carried out for routine blood sampling. We studied 82 healthy babies whose gestational and postnatal ages ranged from 25-42 weeks, and 1-73 days. The median skin conductance level (preheel prick) in babies of 40-43 weeks' conceptional age was 0.6 microS (microsiemens) and differed significantly between awake babies (1.2 microS) and those who were asleep (0.5 microS). In contrast babies less than 40 weeks had a significantly lower median skin conductive level (0.3 microS) which was identical in awake and asleep babies. In response to the heel prick all babies became aroused and skin conductance rose sharply and immediately in 21 out of 22 (95%) babies 40-43 weeks' conceptional age, and in seven out of 23 (30%) babies 36-39 weeks. The median rise at one minute in babies of 40-43 weeks was significantly higher than those 36-39 weeks (2.7 microS compared with 0.5 microS). No babies less than 36 weeks had a change in their skin conductance after the heel prick. These results are consistent with the notion that 'emotional sweating' is a function of maturity and does not develop until 36 weeks' conceptional age.
Authors:
G Gladman; M L Chiswick
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Publication Detail:
Type:  Journal Article    
Journal Detail:
Title:  Archives of disease in childhood     Volume:  65     ISSN:  1468-2044     ISO Abbreviation:  Arch. Dis. Child.     Publication Date:  1990 Oct 
Date Detail:
Created Date:  1990-12-19     Completed Date:  1990-12-19     Revised Date:  2009-11-18    
Medline Journal Info:
Nlm Unique ID:  0372434     Medline TA:  Arch Dis Child     Country:  ENGLAND    
Other Details:
Languages:  eng     Pagination:  1063-6     Citation Subset:  AIM; IM    
Affiliation:
North Western Regional Perinatal Centre, Neonatal Medical Unit, St Mary's Hospital, Manchester.
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MeSH Terms
Descriptor/Qualifier:
Arousal / physiology*
Galvanic Skin Response / physiology*
Humans
Infant, Newborn / physiology*
Infant, Premature / physiology
Pain / physiopathology
Sweating / physiology
Comments/Corrections

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