Blood Laotate Levels in the Umbilical Cord Artery and Maternal Artery during Cesarean Section. Comparison of Elective and Emergency Cases.:Comparison of Elective and Emergency Cases
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To investigate factors which influence cord lactate levels during cesarean delivery, we measured blood gases, glucose and lactate levels in the umbilical cord arteries and maternal arteries of fifty-seven patients undergoing cesarean section under spinal anesthesia.Cord lactate levels were significantly higher in the emergency cases (n=30) than in the elective cases (n=27) (30.9mg•dl-1 vs 15.7mg•dl-1 : p=0.008).Cord lactate levels were significantly correlated to cord pH (r=-0.727 : p<0.0001), cord PO2 (r=-0.299 : p=0.028) and 1-min Apgar score (r=-0.336 : p=0.011).Maternal lactate levels were also higher in the emergency cases than in the elective cases (24.5mg•dl-1 vs 11.4mg•dl-1 : p=0.001). There was an excellent correlation between maternal lactate levels and cord lactate levels (r=0.826 : p<0.0001).Our findings suggest that elevated cord lactate levels observed in the emergency cases might be due to fetal distress, and it also could be influenced by high maternal lactate levels caused by maternal muscular effort related to labor.We conclude that it is important to pay attention to the maternal-fetal movement of lactate when evaluating the neonatal state using cord lactate levels.
- 日本臨床麻酔学会の論文
日本臨床麻酔学会 | 論文
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