| Maternal Hyperventilation During Labor Revisited: Its Effects on Fetal Oxygenation. | |
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MedLine Citation:
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PMID: 22556013 Owner: NLM Status: Publisher |
Abstract/OtherAbstract:
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To investigate the relationship between maternal hyperventilation and fetal blood gas values and to estimate its possible association with fetal oxygenation, maternal transcutaneous partial pressure of carbon dioxide (tcP(CO2)) values were analyzed in association with umbilical venous P(CO2) (UVP(CO2)), umbilical venous partial pressure of oxygen (UVP(O2)), and umbilical venous oxyhemoglobin saturation (UVHb<sc>o</sc>(2)) values. Pregnant women without labor (30.7 ± 3.7 mm Hg, n = 20) showed significantly lower tcP(CO2) values compared with nonpregnant women (37.4 ± 4.0 mm Hg, n = 10). Pregnant women in the second stage of labor showed even lower tcP(CO2) values compared with pregnant women during the first stage of labor (20.8 ± 5.9 mm Hg vs 28.4 ± 5.0 mm Hg, n = 26). Maternal tcP(CO2) values had significant positive correlations with UVP(CO2) (r = .78, P < .001), UVP(O2) (r = .62, P < .001), and UVHb(O2) values (r = .59, P < .001). Maternal hyperventilation had a close relationship with lower UVP(CO2), UVP(O2), and UVHb<sc>o</sc>(2) values, which might interfere with optimal fetal cerebral oxygenation. |
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Authors:
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Takuji Tommimatsu; Aiko Kakigano; Kazuya Mimura; Tomoko Kanayama; Shinsuke Koyama; Satoko Fujita; Yukiko Taniguchi; Takeshi Kanagawa; Tadashi Kimura |
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Publication Detail:
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Type: JOURNAL ARTICLE Date: 2012-5-3 |
Journal Detail:
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Title: Reproductive sciences (Thousand Oaks, Calif.) Volume: - ISSN: 1933-7205 ISO Abbreviation: - Publication Date: 2012 May |
Date Detail:
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Created Date: 2012-5-4 Completed Date: - Revised Date: - |
Medline Journal Info:
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Nlm Unique ID: 101291249 Medline TA: Reprod Sci Country: - |
Other Details:
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Languages: ENG Pagination: - Citation Subset: - |
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From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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