期刊
BJOG-AN INTERNATIONAL JOURNAL OF OBSTETRICS AND GYNAECOLOGY
卷 -, 期 -, 页码 -出版社
WILEY
DOI: 10.1111/1471-0528.17517
关键词
caesarean; dehiscence; hysterectomy; pregnancy; prelabour uterine rupture; preterm uterine rupture; scar; unscarred uteri; uterine rupture
This study analyzed atypical cases of uterine rupture, including those occurring in unscarred, preterm or prelabour uteri. The study found that these cases are extremely rare but can result in severe maternal and perinatal outcomes.
Objective: Analysis of atypical cases of uterine rupture, namely, uterine rupture occurring in unscarred, preterm or prelabour uteri.Design: Descriptive multi-country population-based study.Setting: Ten high-income countries within the International Network of Obstetric Survey Systems.Population: Women with unscarred, preterm or prelabour ruptured uteri.Methods: We merged prospectively collected individual patient data in ten population-based studies of women with complete uterine rupture. In this analysis, we focused on women with uterine rupture of unscarred, preterm or prelabour ruptured uteri.Main Outcome MeasuresIncidence, women's characteristics, presentation and maternal and perinatal outcome.Results: We identified 357 atypical uterine ruptures in 3 064 923 women giving birth. Estimated incidence was 0.2 per 10 000 women (95% CI 0.2-0.3) in the unscarred uteri, 0.5 (95% CI 0.5-0.6) in the preterm uteri, 0.7 (95% CI 0.6-0.8) in the prelabour uteri, and 0.5 (95% CI 0.4-0.5) in the group with no previous caesarean. Atypical uterine rupture resulted in peripartum hysterectomy in 66 women (18.5%, 95% CI 14.3-23.5%), three maternal deaths (0.84%, 95% CI 0.17-2.5%) and perinatal death in 62 infants (19.7%, 95% CI 15.1-25.3%).Conclusions: Uterine rupture in preterm, prelabour or unscarred uteri are extremely uncommon but were associated with severe maternal and perinatal outcome. We found a mix of risk factors in unscarred uteri, most preterm uterine ruptures occurred in caesarean-scarred uteri and most prelabour uterine ruptures in 'otherwise' scarred uteri. This study may increase awareness among clinicians and raise suspicion of the possibility of uterine rupture under these less expected conditions.
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