硬膜外麻醉下臀位外倒转术成功的影响因素

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Abstract Objective To investigate the influencing factors of successful external cephalic version (ECV) for breech presentation at term under epidural anesthesia. Methods The clinical data on 368 cases of singleton pregnant women with breech presentation who had undergone ECV at 37-40 gestational weeks between January 2015 and February 2021 was analyzed retrospectively. According to the outcomes of ECV, these women were divided into the success group and failure group. Both groups received ECV under B-ultrasound monitoring after epidural anesthesia. The maternal age, parity, gestational weeks, maternal body mass index before pregnancy, use of drugs for tocolysis, neonatal weight, placenta positions, umbilical cord entanglement, lengths of umbilical cords, and types of breech presentation on ECV were compared between the two groups. Results (1)The success rate of ECV was 41.30%(152/368), and the vaginal delivery rate in the success group was 82.24%(125/152). (2) Univariate analysis showed that there was no significant difference in age, gestational weeks, maternal body mass indexes before pregnancy, umbilical cord entanglement, umbilical cord lengths, or types of breech presentation between the two groups (P>0.05). However, there was significant difference in parity, use of tocolysis drugs, neonatal weight and placenta positions between the two groups (P<0.05). Multivariate logistic regression analysis suggested that multiparity (OR=2.485, 95%CI 1.499-4.121), neonatal weight ≥3000 g (OR=4.335, 95%CI 2.470-7.607), use of of tocolysis drugs (OR=8.183,95%CI 4.668-14.348) were independent favorable factors for the success of ECV. Conclusions The application of ECV in pregnant women with breech presentation at term can reduce the rate of cesarean section significantly. The independent influencing factors that contribute to the success of ECV include multiparity, the use of tocolysis drugs, and neonatal weight.

Key words： breech external cephalic version epidural anesthesia influencing factors

Received: 28 May 2021

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R714.44

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	WU Ying
	LIU Yingping
	RUAN Yan

Cite this article:

WU Ying,LIU Yingping,RUAN Yan. Influencing factors of successful external cephalic version for breech presentation under epidural anesthesia[J]. Med. J. Chin. Peop. Armed Poli. Forc., 2021, 32(11): 958-962.

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http://journal08.magtechjournal.com/Jwk_wjyx/EN/ OR http://journal08.magtechjournal.com/Jwk_wjyx/EN/Y2021/V32/I11/958

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