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Extremely low birth weight preterm infants lack vasomotor response in relationship to cold body temperatures at birth

Publication ,  Journal Article
Knobel, RB; Holditch-Davis, DH; Schwartz, TA; Wimmer, JE
Published in: Journal of Perinatology
July 23, 2009

Study Objective:This study evaluated peripheral vasoconstriction in extremely low birth weight (ELBW) infants when body temperature decreased during the first 12 h of life.Study Design:An exploratory, within-subjects design with 10 ELBW infants. Abdominal and foot temperatures were measured every minute. Peripheral vasoconstriction (abdominal>peripheral temperature by 2 °C) and abdominal-peripheral temperature difference were also evaluated. Results:Abdominal and peripheral temperatures were significantly correlated within each infant. One 880 g infant exhibited isolated peripheral vasoconstriction; a 960-g infant had abdominal temperatures >1 °C higher than peripheral temperatures. Eight smaller infants exhibited no peripheral vasoconstriction and spent most of their observations with peripheral greater than abdominal temperatures. In eight infants, mean temperature difference was significantly higher when abdominal temperature was <36.5 °C. Conclusion:Most ELBW infants did not exhibit peripheral vasoconstriction during their first 12 h of life, despite low temperatures. ELBW infants' vasomotor control may be immature during this period.Journal of Perinatology advance online publication, 23 July 2009; doi:10.1038/jp.2009.99.

Duke Scholars

Published In

Journal of Perinatology

DOI

EISSN

1476-5543

ISSN

0743-8346

Publication Date

July 23, 2009

Related Subject Headings

  • Pediatrics
  • 1114 Paediatrics and Reproductive Medicine
  • 1103 Clinical Sciences
 

Citation

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Knobel, R. B., Holditch-Davis, D. H., Schwartz, T. A., & Wimmer, J. E. (2009). Extremely low birth weight preterm infants lack vasomotor response in relationship to cold body temperatures at birth (Accepted). Journal of Perinatology. https://doi.org/10.1038/jp.2009.99
Knobel, R. B., D. H. Holditch-Davis, T. A. Schwartz, and J. E. Wimmer. “Extremely low birth weight preterm infants lack vasomotor response in relationship to cold body temperatures at birth (Accepted).” Journal of Perinatology, July 23, 2009. https://doi.org/10.1038/jp.2009.99.
Knobel RB, Holditch-Davis DH, Schwartz TA, Wimmer JE. Extremely low birth weight preterm infants lack vasomotor response in relationship to cold body temperatures at birth (Accepted). Journal of Perinatology. 2009 Jul 23;
Knobel, R. B., et al. “Extremely low birth weight preterm infants lack vasomotor response in relationship to cold body temperatures at birth (Accepted).” Journal of Perinatology, July 2009. Scopus, doi:10.1038/jp.2009.99.
Knobel RB, Holditch-Davis DH, Schwartz TA, Wimmer JE. Extremely low birth weight preterm infants lack vasomotor response in relationship to cold body temperatures at birth (Accepted). Journal of Perinatology. 2009 Jul 23;

Published In

Journal of Perinatology

DOI

EISSN

1476-5543

ISSN

0743-8346

Publication Date

July 23, 2009

Related Subject Headings

  • Pediatrics
  • 1114 Paediatrics and Reproductive Medicine
  • 1103 Clinical Sciences