{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,1,1]],"date-time":"2026-01-01T03:13:33Z","timestamp":1767237213256,"version":"3.40.5"},"reference-count":21,"publisher":"Wiley","issue":"3","license":[{"start":{"date-parts":[[2022,3,19]],"date-time":"2022-03-19T00:00:00Z","timestamp":1647648000000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"}],"content-domain":{"domain":["obgyn.onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":["Intl J Gynecology &amp; Obste"],"published-print":{"date-parts":[[2022,12]]},"abstract":"<jats:title>Abstract<\/jats:title><jats:sec><jats:title>Objective<\/jats:title><jats:p>Determine if head\u2010perineum distance (HPD) measurement before vacuum extraction (VE) was predictive of an obstetric anal sphincter injury (OASIS) occurrence.<\/jats:p><\/jats:sec><jats:sec><jats:title>Methods<\/jats:title><jats:p>Retrospective, bicentric (Lille and Poissy, France) cohort study conducted from January 2019 to June 2020. All VE in singleton pregnancies of \u226534\u00a0weeks were included. HPD measurement was performed without compression of the tissues before each VE. The judgment criterion was the occurrence of an OASIS.<\/jats:p><\/jats:sec><jats:sec><jats:title>Results<\/jats:title><jats:p>Of 12\u2009568 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 (<jats:italic>n<\/jats:italic>\u00a0=\u00a044; 95% CI 4.5\u20138.7). HPD was not associated with OASIS (38.5\u00a0\u00b1\u00a012.6\u00a0mm in women with OASIS vs 37.4\u00a0\u00b1\u00a012.0\u00a0mm in women without; adjusted OR [aOR] per 5\u00a0mm increase\u00a0=\u00a00.92; 95% CI 0.79\u20131.06). Increased HPD was associated with higher risk of sequential extraction (aOR\u00a0=\u00a01.19; 95% CI 1.06\u20131.32), extraction duration &gt;10\u00a0min (aOR\u00a0=\u00a01.12; 95% CI 1.02\u20131.23) and shoulder dystocia (aOR\u00a0=\u00a01.20; 95% CI 1.03\u20131.40).<\/jats:p><\/jats:sec><jats:sec><jats:title>Conclusion<\/jats:title><jats:p>Ultrasound\u2010measured head\u2010perineum 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.<\/jats:p><\/jats:sec>","DOI":"10.1002\/ijgo.14170","type":"journal-article","created":{"date-parts":[[2022,3,8]],"date-time":"2022-03-08T13:14:43Z","timestamp":1646745283000},"page":"751-756","update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":3,"title":["Is sonographic measurement of head\u2010perineum distance useful to predict obstetrical anal sphincter injury in case of vacuum delivery?"],"prefix":"10.1002","volume":"159","author":[{"ORCID":"https:\/\/orcid.org\/0000-0003-2105-9784","authenticated-orcid":false,"given":"Charles","family":"Garabedian","sequence":"first","affiliation":[{"name":"Department of Obstetrics CHU Lille  Lille France"},{"name":"ULR 2694 \u2010 METRICS: \u00c9valuation des technologies de sant\u00e9 et des pratiques m\u00e9dicales University of Lille  Lille France"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Alix","family":"Plurien","sequence":"additional","affiliation":[{"name":"Department of Obstetrics CHU Lille  Lille France"},{"name":"ULR 2694 \u2010 METRICS: \u00c9valuation des technologies de sant\u00e9 et des pratiques m\u00e9dicales University of Lille  Lille France"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Laure","family":"Benoit","sequence":"additional","affiliation":[{"name":"Department of Gynecology and Obstetrics Poissy\u2010Saint Germain Hospital  Poissy France"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Maeva","family":"Kyheng","sequence":"additional","affiliation":[{"name":"ULR 2694 \u2010 METRICS: \u00c9valuation des technologies de sant\u00e9 et des pratiques m\u00e9dicales University of Lille  Lille France"},{"name":"Department of Biostatistics CHU Lille  Lille France"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Claire","family":"Thuillier","sequence":"additional","affiliation":[{"name":"Department of Gynecology and Obstetrics Poissy\u2010Saint Germain Hospital  Poissy France"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Maeva","family":"Sanchez","sequence":"additional","affiliation":[{"name":"Department of Obstetrics CHU Lille  Lille France"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Ana\u00efs","family":"Turcsak","sequence":"additional","affiliation":[{"name":"Department of Obstetrics CHU Lille  Lille France"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Patrick","family":"Rozenberg","sequence":"additional","affiliation":[{"name":"Department of Gynecology and Obstetrics Poissy\u2010Saint Germain Hospital  Poissy France"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Paul","family":"Berveiller","sequence":"additional","affiliation":[{"name":"Department of Gynecology and Obstetrics Poissy\u2010Saint Germain Hospital  Poissy France"},{"name":"UMR 1198 \u2013 BREED, INRAE Paris Saclay University, RHuMA  Montigny\u2010Le\u2010Bretonneux France"}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"311","published-online":{"date-parts":[[2022,3,19]]},"reference":[{"key":"e_1_2_9_2_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.ajog.2017.02.010"},{"key":"e_1_2_9_3_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.ajog.2017.11.569"},{"key":"e_1_2_9_4_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.jogoh.2018.12.002"},{"key":"e_1_2_9_5_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.ajog.2017.03.009"},{"key":"e_1_2_9_6_1","doi-asserted-by":"publisher","DOI":"10.1002\/uog.19072"},{"key":"e_1_2_9_7_1","doi-asserted-by":"publisher","DOI":"10.1002\/uog.13210"},{"key":"e_1_2_9_8_1","doi-asserted-by":"publisher","DOI":"10.1002\/uog.14951"},{"key":"e_1_2_9_9_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.ajog.2017.01.007"},{"key":"e_1_2_9_10_1","doi-asserted-by":"publisher","DOI":"10.1002\/uog.15944"},{"key":"e_1_2_9_11_1","doi-asserted-by":"publisher","DOI":"10.1002\/uog.103"},{"key":"e_1_2_9_12_1","doi-asserted-by":"publisher","DOI":"10.1111\/1471-0528.12810"},{"key":"e_1_2_9_13_1","doi-asserted-by":"publisher","DOI":"10.1002\/uog.12379"},{"key":"e_1_2_9_14_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.ajog.2010.11.019"},{"key":"e_1_2_9_15_1","doi-asserted-by":"publisher","DOI":"10.1002\/(SICI)1097-0258(19960229)15:4<361::AID-SIM168>3.0.CO;2-4"},{"issue":"5","key":"e_1_2_9_16_1","first-page":"526","article-title":"Shoulder dystocia. 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