| A comparison of cooling methods used in therapeutic hypothermia for perinatal asphyxia. | |
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MedLine Citation:
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PMID: 20530071 Owner: NLM Status: MEDLINE |
Abstract/OtherAbstract:
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OBJECTIVE: The objective of this study was to compare cooling methods during therapeutic hypothermia (TH) for moderate or severe perinatal asphyxia with regard to temperature and hemodynamic stability. METHODS: A total of 73 newborns received TH in our center between 1999 and 2009 by 4 methods: (1) selective head cooling with mild systemic hypothermia by using cap (SHC; n = 20); (2) whole-body cooling with mattress manually controlled (WBCmc; n = 23); (3) whole-body cooling with body wrap servo-controlled (WBCsc; n = 28); and (4) whole-body cooling with water-filled gloves (n = 2). Target rectal temperatures (Trec) were 34.5 +/- 0.5 degrees C (SHC) and 33.5 +/- 0.5 degrees C (WBC). Trec, mean arterial blood pressure, and heart rate were collected from retrospective chart review. RESULTS: Groups had similar baseline characteristics and condition at birth. Trec was within target temperature +/-0.5 degree C for 97% of the time in infants with WBCsc, 81% in infants with WBCmc, 76% in infants with SHC, and 74% in infants who were cooled with gloves. Mean overshoot was 0.3 degree C for WBCsc, 1.3 degrees C for WBCmc, and 0.8 degree C for SHC groups. There was no difference in mean arterial blood pressure or mean heart between groups during the maintenance of cooling. In infants who were rewarmed at similar speed, there was greater variation in Trec in the SHC compared with the WBCsc group. CONCLUSIONS: Manually controlled cooling systems are associated with greater variability in Trec compared with servo-controlled systems. A manual mattress often causes initial overcooling. It is unknown whether large variation in temperature adversely affects the neuroprotection of TH. |
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Authors:
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Nicholas Hoque; Ela Chakkarapani; Xun Liu; Marianne Thoresen |
Publication Detail:
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Type: Comparative Study; Journal Article; Research Support, Non-U.S. Gov't Date: 2010-06-07 |
Journal Detail:
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Title: Pediatrics Volume: 126 ISSN: 1098-4275 ISO Abbreviation: Pediatrics Publication Date: 2010 Jul |
Date Detail:
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Created Date: 2010-07-02 Completed Date: 2010-07-28 Revised Date: - |
Medline Journal Info:
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Nlm Unique ID: 0376422 Medline TA: Pediatrics Country: United States |
Other Details:
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Languages: eng Pagination: e124-30 Citation Subset: AIM; IM |
Affiliation:
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Child Health, School of Clinical Sciences, University of Bristol, St Michael's Hospital, Bristol, Avon, UK. |
Export Citation:
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| MeSH Terms | |
Descriptor/Qualifier:
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Analysis of Variance Asphyxia Neonatorum / diagnosis*, therapy* Blood Pressure Determination Body Temperature / physiology Body Temperature Regulation Cohort Studies Female Follow-Up Studies Heart Rate / physiology Humans Hypothermia, Induced / instrumentation*, methods* Infant, Newborn Male Monitoring, Physiologic / methods Probability Retrospective Studies Rewarming / methods Risk Assessment Severity of Illness Index Thermography Time Factors Treatment Outcome |
| Grant Support | |
ID/Acronym/Agency:
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//Medical Research Council |
From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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