| How often is a low 5-min Apgar score in term newborns due to asphyxia? | |
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MedLine Citation:
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PMID: 16621222 Owner: NLM Status: MEDLINE |
Abstract/OtherAbstract:
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OBJECTIVE: To evaluate how often low 5-min Apgar scores (AS(5-min)) at term are associated with asphyxia. STUDY DESIGN: A cohort- and case-control study, including all 183 term infants with AS(5-min) below 7 born at Lund University Hospital during 1993-2002, antepartum deaths excluded. The control group included 183 randomly selected term newborns with AS(5-min) 9-10. Cardiotocography (CTG) traces were assessed blinded to group and outcome. Obstetric and pediatric files were reviewed. RESULTS: After excluding infants with severe malformations, indications of hypoxia were found at the following rates in cases with AS(5-min) below 4 (N = 30), scores 4-6 (N = 143), and controls (N = 182)-abnormal admission CTG: 38%, 8% and 0.6%; abnormal CTG before birth: 88%, 69% and 18%; obstetrical catastrophe: 28%, 6% and 0.6%; interventions for fetal distress: 83%, 48% and 9%; cord artery pH below 7.15: 69%, 54% and 7%; hypoxic ischemic encephalopathy or hypoxic death: 70%, 14% and none. All differences between each case group and controls were statistically significant (p < 0.0001). CONCLUSIONS: In the absence of severe malformations, the vast majority of AS(5-min) below 4, and at least half of scores 4-6 could be attributed to birth asphyxia. Signs of hypoxia usually appeared during labor, but were present at admission in 38% of cases with AS(5-min) below 4. |
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Authors:
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Linda Hogan; Ingemar Ingemarsson; Kristina Thorngren-Jerneck; Andreas Herbst |
Publication Detail:
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Type: Journal Article Date: 2006-04-18 |
Journal Detail:
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Title: European journal of obstetrics, gynecology, and reproductive biology Volume: 130 ISSN: 0301-2115 ISO Abbreviation: Eur. J. Obstet. Gynecol. Reprod. Biol. Publication Date: 2007 Feb |
Date Detail:
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Created Date: 2007-01-22 Completed Date: 2007-03-29 Revised Date: - |
Medline Journal Info:
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Nlm Unique ID: 0375672 Medline TA: Eur J Obstet Gynecol Reprod Biol Country: Ireland |
Other Details:
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Languages: eng Pagination: 169-75 Citation Subset: IM |
Affiliation:
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Department of Obstetrics and Gynecology, Lund University Hospital, Sweden. |
Export Citation:
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| MeSH Terms | |
Descriptor/Qualifier:
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Acidosis
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diagnosis Apgar Score* Asphyxia Neonatorum / diagnosis* Cardiotocography* Case-Control Studies Cohort Studies Delivery, Obstetric / adverse effects Female Fetal Blood / chemistry* Fetal Distress / etiology* Fetal Hypoxia / diagnosis* Humans Hypoxia-Ischemia, Brain / diagnosis Infant, Newborn Predictive Value of Tests Pregnancy Retrospective Studies |
From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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