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DOI	10.1007/s00192-020-04296-3
	Sonographic fetal head circumference and the risk of obstetric anal sphincter injury following vaginal delivery
	Meyer, Raanan 1; Rottenstreich, Amihai 2; Zamir, Michal 3; Ilan, Hadas 1; Ram, Edward 4; Alcalay, Menachem 1; Levin, Gabriel 2
通讯作者	Levin, Gabriel
来源期刊	INTERNATIONAL UROGYNECOLOGY JOURNAL
ISSN	0937-3462
EISSN	1433-3023
出版年	2020
卷号	31 期号:11 页码:2285-2290
英文摘要	Introduction High birth weight is strongly associated with OASIS; nevertheless, it has not been determined which biometric characteristics most affect OASIS occurrence. We aimed to evaluate the association of estimated fetal head circumference with OASIS occurrence among primiparous women delivering by unassisted vaginal delivery. Methods A retrospective study included all primiparous women who delivered at term by spontaneous vaginal delivery from 2011-2019. Women were allocated to two groups: (1) those who experienced OASIS and (2) those who did not experience OASIS. Risk factors for OASIS were analyzed. Results Overall, 7646 women were included in the study cohort. Of those, 119/7646 (1.6%; 95% CI, 1.3-1.9%) experienced OASIS. Sonographic head circumference and birth weight did not vary between groups. Prolonged second stage was more common in the OASIS group [23 (19%) vs. 986 (13.3%), 1.58 OR (95% CI 1.003-2.51, p = 0.04)]. Absence of epidural analgesia was more common in the OASIS group [30 (25%) vs. 1197 (15.9%), 1.8 OR (95% CI 1.1-2.7, p = 0.006)]. On multivariate logistic regression analysis, the lack of epidural analgesia and duration of second stage of labor were both independently positively associated with OASIS [adjusted OR 2.67 (95% CI 1.55-4.62), p < 0.001, adjusted OR 1.23 (95% CI 1.11-1.43), p < 0.001, respectively)]. Conclusion Sonographic head circumference and birth weight are not associated with OASIS occurrence among primiparous women delivering by an unassisted vaginal delivery. Prolonged second stage and the use of epidural analgesia are modifiable risk factors among these women.
英文关键词	Birth weight Head circumference Obstetric anal sphincter injury Primiparous Risk factors
类型	Article
语种	英语
国家	Israel
收录类别	SCI-E
WOS记录号	WOS:000524370800001
WOS关键词	EPISIOTOMY ; TEARS ; MANAGEMENT ; TRENDS
WOS类目	Obstetrics & Gynecology ; Urology & Nephrology
WOS研究方向	Obstetrics & Gynecology ; Urology & Nephrology
来源机构	Hebrew University of Jerusalem
资源类型	期刊论文
条目标识符	http://119.78.100.177/qdio/handle/2XILL650/314811
作者单位	1.Cha Sheba Med Ctr, Dept Obstet & Gynecol, Ramat Gan, Israel; 2.Hadassah Hebrew Univ Med Ctr, Dept Obstet & Gynecol, POB 12000, Jerusalem, Israel; 3.Tel Aviv Univ, Sackler Fac Med, Tel Aviv, Israel; 4.Cha Sheba Med Ctr, Dept Surg & Transplantat, Ramat Gan, Israel
推荐引用方式 GB/T 7714	Meyer, Raanan,Rottenstreich, Amihai,Zamir, Michal,et al. Sonographic fetal head circumference and the risk of obstetric anal sphincter injury following vaginal delivery[J]. Hebrew University of Jerusalem,2020,31(11):2285-2290.
APA	Meyer, Raanan.,Rottenstreich, Amihai.,Zamir, Michal.,Ilan, Hadas.,Ram, Edward.,...&Levin, Gabriel.(2020).Sonographic fetal head circumference and the risk of obstetric anal sphincter injury following vaginal delivery.INTERNATIONAL UROGYNECOLOGY JOURNAL,31(11),2285-2290.
MLA	Meyer, Raanan,et al."Sonographic fetal head circumference and the risk of obstetric anal sphincter injury following vaginal delivery".INTERNATIONAL UROGYNECOLOGY JOURNAL 31.11(2020):2285-2290.