{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2025,5,13]],"date-time":"2025-05-13T15:13:56Z","timestamp":1747149236828,"version":"3.40.5"},"reference-count":27,"publisher":"Wiley","issue":"3","license":[{"start":{"date-parts":[[2023,6,2]],"date-time":"2023-06-02T00:00:00Z","timestamp":1685664000000},"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":[[2023,12]]},"abstract":"<jats:title>Abstract<\/jats:title><jats:sec><jats:title>Objective<\/jats:title><jats:p>Placenta accreta spectrum (PAS) has been linked to severe negative maternal\u2013fetal pregnancy outcomes, including a high risk of maternal death. The goal of this study was to determine whether an abdominal aortic balloon block performed before fetal birth lowered intraoperative bleeding and the risk of severe bleeding, as opposed to a block performed after fetal birth.<\/jats:p><\/jats:sec><jats:sec><jats:title>Methods<\/jats:title><jats:p>In this retrospective cohort study, patients who underwent pre\u2010delivery or post\u2010delivery inflation were compared for intraoperative hemorrhage, transfusion rate, hysterectomy rate, intensive care unit (ICU) hospitalization, and newborn indices. To ensure the robustness of our findings, we applied multivariate logistic regression, propensity score analysis, and an inverse probability\u2010weighting model.<\/jats:p><\/jats:sec><jats:sec><jats:title>Results<\/jats:title><jats:p>This study included 168 patients who underwent balloon occlusion (62 pre\u2010delivery, 106 post\u2010delivery). The overall probability of major bleeding was 56.5% (95\/168), and the pre\u2010delivery and post\u2010delivery probabilities for major bleeding were 64.5% (40\/62) and 51.9% (55\/106) (<jats:italic>P<\/jats:italic>\u2009=\u20090.112), respectively. In the multivariable\u2010adjusted model, post\u2010delivery inflation was associated with a 33% numerically higher probability of massive bleeding (odds ratio 1.33, 95% confidence interval 0.54\u20133.25, <jats:italic>P<\/jats:italic>\u2009=\u20090.535). However, the difference was not statistically significant.<\/jats:p><\/jats:sec><jats:sec><jats:title>Conclusion<\/jats:title><jats:p>According to our findings, pre\u2010delivery inflation did not significantly reduce the risk or amount of severe bleeding.<\/jats:p><\/jats:sec>","DOI":"10.1002\/ijgo.14909","type":"journal-article","created":{"date-parts":[[2023,6,3]],"date-time":"2023-06-03T04:04:26Z","timestamp":1685765066000},"page":"989-996","update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":2,"title":["Timing of intra\u2010abdominal aortic balloon occlusion for prevention of hemorrhage in patients with placenta previa and placenta accreta spectrum"],"prefix":"10.1002","volume":"163","author":[{"ORCID":"https:\/\/orcid.org\/0000-0002-3995-8991","authenticated-orcid":false,"given":"Fusen","family":"Huang","sequence":"first","affiliation":[{"name":"Department of Anesthesiology The First Affiliated Hospital of Chongqing Medical 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