| Predictive value of pulse oximetry for the development of fetal acidosis. | |
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MedLine Citation:
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PMID: 19954413 Owner: NLM Status: MEDLINE |
Abstract/OtherAbstract:
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AIMS: To determine the predictive value of fetal pulse oximetry (FPO) for the development of fetal acidosis in cases of non-reassuring fetal heart rate (FHR). METHODS: In a prospective observational study, pulse oximetry monitoring was examined in cases of non-reassuring FHR during singleton cephalic delivery at 36-42 weeks' gestation. The study examined whether fetal arterial oxygen saturation (FSpO(2)) values <30% for at least 10 min during the last 60 min before delivery increase the risk of fetal acidosis. The predictive reliability of this algorithm and the correlation to fetal acidosis [umbilical artery pH (UApH) <7.15] were analyzed. RESULTS: We included 101 patients with non-reassuring FHR during delivery. The incidence of fetal acidosis was significantly higher when FSpO(2) values <30% were recorded for at least 10 min (P=0.0). An UApH <7.15 was reliably excluded with a negative predictive value of 98.7% and detected with a sensitivity of 92.9%. CONCLUSIONS: A low pulse oximetry oxygen saturation <30% for at least 10 min correlates highly with fetal acidosis in cases of non-reassuring FHR. FPO reliably excludes moderate to advanced acidosis and can reduce the frequency of fetal blood analysis (FBA) in cases of non-reassuring cardiotocography (CTG). |
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Authors:
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Andreas Nonnenmacher; Hartmut Hopp; Joachim Dudenhausen |
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Publication Detail:
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Type: Clinical Trial; Journal Article |
Journal Detail:
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Title: Journal of perinatal medicine Volume: 38 ISSN: 1619-3997 ISO Abbreviation: J Perinat Med Publication Date: 2010 |
Date Detail:
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Created Date: 2010-01-05 Completed Date: 2010-04-02 Revised Date: - |
Medline Journal Info:
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Nlm Unique ID: 0361031 Medline TA: J Perinat Med Country: Germany |
Other Details:
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Languages: eng Pagination: 83-6 Citation Subset: IM |
Affiliation:
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Department of Obstetrics, Charit? - Universit?tsmedizin Berlin, Berlin, Germany. Andreas.nonnenmacher@charite.de |
Export Citation:
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| MeSH Terms | |
Descriptor/Qualifier:
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Acidosis
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diagnosis* Cardiotocography Female Fetal Diseases / diagnosis* Fetal Distress / diagnosis Humans Oximetry* Predictive Value of Tests Pregnancy Prospective Studies |
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