Document Detail


Maternal Hyperventilation During Labor Revisited: Its Effects on Fetal Oxygenation.
MedLine Citation:
PMID:  22556013     Owner:  NLM     Status:  Publisher    
Abstract/OtherAbstract:
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.
Authors:
Takuji Tommimatsu; Aiko Kakigano; Kazuya Mimura; Tomoko Kanayama; Shinsuke Koyama; Satoko Fujita; Yukiko Taniguchi; Takeshi Kanagawa; Tadashi Kimura
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Publication Detail:
Type:  JOURNAL ARTICLE     Date:  2012-5-3
Journal Detail:
Title:  Reproductive sciences (Thousand Oaks, Calif.)     Volume:  -     ISSN:  1933-7205     ISO Abbreviation:  -     Publication Date:  2012 May 
Date Detail:
Created Date:  2012-5-4     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  101291249     Medline TA:  Reprod Sci     Country:  -    
Other Details:
Languages:  ENG     Pagination:  -     Citation Subset:  -    
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