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J Korean Soc Matern Child Health > Volume 20(1); 2016 > Article
Journal of The Korean Society of Maternal and Child Health 2016;20(1):36-42.
DOI: https://doi.org/10.21896/jksmch.2016.20.1.36    Published online January 31, 2016.
Maternal Hypotension with Regional Anesthesia for Elective Cesarean Delivery: Risk factor and Impact on Neonate Outcome
Yun Dan Kang
Department of Obstetrics and Gynecology, Dankook University College of Medicine, Cheonan, Korea
선택적 제왕절개술을 위한 부위 마취 시 산모의 저혈압: 위험 인자 및 신생아에 미치는 영향
강윤단
단국대학교
Correspondence:  Yun Dan Kang,
Email: yundan76@dankook.ac.kr
Abstract
Purpose
This study was performed to determine the prevalence and risk factor of hypotension among pregnant women undergoing elective cesarean section under regional anesthesia, and whether hypotension has any impact on neonate outcome.
Methods
Retrospective analysis of 440 mother-infant pairs after elective cesarean section under regional anesthesia. Data collection included information on maternal blood pressure during the cesarean section, cord blood pH and Apgar score.
Results
This study revealed that 20.5% of the mothers underwent a decrease in mean arterial blood pressure by ≥30% and 1.1% of the mothers underwent a decrease in mean arterial blood pressure by ≥50%. Hypotension was more severe among the mother in those with preoperative hypertension and high body weight. The occurrence of maternal hypotension during cesarean section were not found to predict any complications like low Apgar score, need for oxygen treatment, even though fetal cord blood pH.
Conclusion
Despite a maternal hypotension during elective cesarean section under regional anesthesia, healthy term infants seem to tolerate decreased placental blood perfusion.
Key Words: cesarean section, hypotension, neonate
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