ObjectiveTo investigate the burden and causes of life‐threatening maternal complications and the quality of emergency obstetric care in Nigerian public tertiary hospitals.DesignNationwide cross‐sectional study.SettingForty‐two tertiary hospitals.PopulationWomen admitted for pregnancy, childbirth and puerperal complications.MethodsAll cases of severe maternal outcome (SMO: maternal near‐miss or maternal death) were prospectively identified using the WHO criteria over a 1‐year period.Main outcome measuresIncidence and causes of SMO, health service events, case fatality rate, and mortality index (% of maternal death/SMO).ResultsParticipating hospitals recorded 91 724 live births and 5910 stillbirths. A total of 2449 women had an SMO, including 1451 near‐misses and 998 maternal deaths (2.7, 1.6 and 1.1% of live births, respectively). The majority (91.8%) of SMO cases were admitted in critical condition. Leading causes of SMO were pre‐eclampsia/eclampsia (23.4%) and postpartum haemorrhage (14.4%). The overall mortality index for life‐threatening conditions was 40.8%. For all SMOs, the median time between diagnosis and critical intervention was 60 minutes (IQR: 21–215 minutes) but in 21.9% of cases, it was over 4 hours. Late presentation (35.3%), lack of health insurance (17.5%) and non‐availability of blood/blood products (12.7%) were the most frequent problems associated with deficiencies in care.ConclusionsImproving the chances of maternal survival would not only require timely application of life‐saving interventions but also their safe, efficient and equitable use. Maternal mortality reduction strategies in Nigeria should address the deficiencies identified in tertiary hospital care and prioritise the prevention of severe complications at lower levels of care.Tweetable abstractOf 998 maternal deaths and 1451 near‐misses reported in a network of 42 Nigerian tertiary hospitals in 1 year.

Objective To investigate the burden and causes of life-threatening maternal complications and the quality of emergency obstetric care in Nigerian public tertiary hospitals.Design Nationwide cross-sectional study.Setting Forty-two tertiary hospitals.Population Women admitted for pregnancy, childbirth and puerperal complications.Methods All cases of severe maternal outcome (SMO: maternal near-miss or maternal death) were prospectively identified using the WHO criteria over a 1-year period.Main outcome measures Incidence and causes of SMO, health service events, case fatality rate, and mortality index (% of maternal death/SMO).Results Participating hospitals recorded 91 724 live births and 5910 stillbirths. A total of 2449 women had an SMO, including 1451 near-misses and 998 maternal deaths (2.7, 1.6 and 1.1% of live births, respectively). The majority (91.8%) of SMO cases were admitted in critical condition. Leading causes of SMO were preeclampsia/eclampsia (23.4%) and postpartum haemorrhage †The members of Nigeria Near-miss and Maternal Death Surveillance Network are in Appendix 1.

Objective To investigate the burden of maternal near-miss and death due to rupture of the gravid uterus, the indicators of quality of care, and avoidable factors associated with care deficiencies for ruptured uterus in Nigerian tertiary hospitals.Design Secondary analysis of a nationwide cross-sectional study.Setting Forty-two tertiary hospitals.Population Women admitted for pregnancy, childbirth or puerperal complications.Methods Cases of severe maternal outcome [SMO: maternal nearmiss (MNM) or maternal death (MD)] following uterine rupture were prospectively identified over 1 year.Main outcome measures Incidence of SMO, indicators of quality of care, and avoidable factors associated with deficiencies in care.Results There were 91 724 live births and 3285 women with SMO during the study period. SMO due to uterine rupture occurred in 392 women: 305 MNM and 87 MD. Uterine rupture accounted for 11.9, 13.3, and 8.7% of all SMO, MNM, and MD, respectively. SMO, MNM, and intra-hospital maternal mortality ratios due to uterine rupture were 4.3/1000 live births, 3.3/1000 live births, and 94.8/100 000 live births, respectively. Mortality index (% of MD/ SMO) was 22.2%, and MNM:MD ratio was 3.5. Avoidable factors contributing to deaths were related to patient-orientated problems, especially late hospital presentation and lack of insurance to cover life-saving interventions. Medical personnel problems contributed to care deficiencies in one-third of women who died. Conclusion Uterine rupture significantly contributes to SMO in Nigerian tertiary hospitals. Strategies to improve maternal survival should address avoidable institutional factors and include community-based interventions to encourage skilled attendance at birth and early referral of complications. Keywords Maternal mortality, maternal near-miss, quality of care, severe maternal outcome, uterine rupture. Tweetable abstract Uterine rupture remains an important cause of maternal death in Nigerian tertiary hospitals. Please cite this paper as: Etuk SJ, Abasiattai AM, Ande AB, Omo-Aghoja L, Bariweni AC, Abeshi SE, Enaruna NO, Oladapo OT. Maternal near-miss and death among women with rupture of the gravid uterus: a secondary analysis of the Nigeria Near-miss and Maternal Death Survey. BJOG 2019; 126 (S3): 26-32.

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