Is sonographic measurement of head-perineum distance useful to predict obstetrical anal sphincter injury in case of vacuum delivery?
OASIS
head-perineum distance
perineal tears
ultrasound
vacuum extraction
Journal
International journal of gynaecology and obstetrics: the official organ of the International Federation of Gynaecology and Obstetrics
ISSN: 1879-3479
Titre abrégé: Int J Gynaecol Obstet
Pays: United States
ID NLM: 0210174
Informations de publication
Date de publication:
Dec 2022
Dec 2022
Historique:
revised:
17
02
2022
received:
19
11
2021
accepted:
01
03
2022
pubmed:
10
3
2022
medline:
16
11
2022
entrez:
9
3
2022
Statut:
ppublish
Résumé
Determine if head-perineum distance (HPD) measurement before vacuum extraction (VE) was predictive of an obstetric anal sphincter injury (OASIS) occurrence. Retrospective, bicentric (Lille and Poissy, France) cohort study conducted from January 2019 to June 2020. All VE in singleton pregnancies of ≥34 weeks were included. HPD measurement was performed without compression of the tissues before each VE. The judgment criterion was the occurrence of an OASIS. Of 12 568 deliveries, VE was performed in 1093 (8.6%). Among these 1093 women undergoing VE, 675 (61.7%) with HPD measurement were included. OASIS was found in 6.5% of women (n = 44; 95% CI 4.5-8.7). HPD was not associated with OASIS (38.5 ± 12.6 mm in women with OASIS vs 37.4 ± 12.0 mm in women without; adjusted OR [aOR] per 5 mm increase = 0.92; 95% CI 0.79-1.06). Increased HPD was associated with higher risk of sequential extraction (aOR = 1.19; 95% CI 1.06-1.32), extraction duration >10 min (aOR = 1.12; 95% CI 1.02-1.23) and shoulder dystocia (aOR = 1.20; 95% CI 1.03-1.40). Ultrasound-measured head-perineum distance does not predict the occurrence of obstetric anal sphincter injury during a VE. The interest of HPD is more about predicting the success or difficulty of VE rather its specific complications.
Types de publication
Journal Article
Langues
eng
Sous-ensembles de citation
IM
Pagination
751-756Informations de copyright
© 2022 International Federation of Gynecology and Obstetrics.
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