Document Detail

Reduced prevalence of metabolic acidosis at birth: an analysis of established STAN usage in the total population of deliveries in a Swedish district hospital.
MedLine Citation:
PMID:  20079889     Owner:  NLM     Status:  MEDLINE    
OBJECTIVE: The purpose of this study was to investigate quality-of-care improvements after the introduction of ST waveform analysis as an adjunct to standard cardiotocography (CTG). STUDY DESIGN: This was a prospective clinical study that was conducted over 7 years. Four yearly cohorts of 12,832 term pregnancies were part of a detailed analysis. Cord blood metabolic acidosis and neonatal outcome were main outcome measures. RESULTS: The STAN (S31 Fetal Heart Monitor; Neoventa Medical AB, M?lndal, Sweden) usage rate increased from 26 to 69%. The cord metabolic acidosis rate was reduced from 0.72 to 0.06%. This 91.7% improvement was associated with a significant reduction in the number of cases with a prolonged response time, calculated as the time from CTG + ST indications to intervene until delivery and an ability of the staff to identify and act on preterminal and unstable fetal heart rate patterns at the onset of a recording. CONCLUSION: Our data indicate a paradigm shift in the outcome of delivery related to a high rate of CTG + ST usage and the application of structured CTG analysis.
H?kan Nor?n; Ann Carlsson
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Publication Detail:
Type:  Journal Article; Research Support, Non-U.S. Gov't     Date:  2010-01-15
Journal Detail:
Title:  American journal of obstetrics and gynecology     Volume:  202     ISSN:  1097-6868     ISO Abbreviation:  Am. J. Obstet. Gynecol.     Publication Date:  2010 Jun 
Date Detail:
Created Date:  2010-05-31     Completed Date:  2010-06-22     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  0370476     Medline TA:  Am J Obstet Gynecol     Country:  United States    
Other Details:
Languages:  eng     Pagination:  546.e1-7     Citation Subset:  AIM; IM    
Copyright Information:
Copyright 2010 Mosby, Inc. All rights reserved.
Department of Obstetrics, Sahlgren's University Hospital, M?lndal, Sweden.
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MeSH Terms
Acidosis / blood,  epidemiology*
Cardiotocography / methods*
Delivery, Obstetric / methods
Heart Rate, Fetal / physiology*
Labor, Obstetric / blood*
Prospective Studies

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