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Frequency, risk factors and feto-maternal outcomes of abruptio placentae in Northern Tanzania: a registry-based retrospective cohort study

Macheku, G. S., Philemon, R. N., Oneko, O., Mlay, P. S., Masenga, G., Obure, J. and Mahande, M. J. (2015) Frequency, risk factors and feto-maternal outcomes of abruptio placentae in Northern Tanzania: a registry-based retrospective cohort study. BMC Pregnancy and Childbirth. ISSN 1471-2393

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Abruptio placentae remains a major cause of maternal and perinatal morbidity and mortality in developing countries. Little is known about the burden of abruptio placentae in Tanzania. This study aimed to determine frequency, risk factors for abruptio placentae and subsequent feto-maternal outcomes in women with abruptio placentae. We designed a retrospective cohort study using maternally-linked data from Kilimanjaro Christian Medical Centre (KCMC) medical birth registry. Data on all women who delivered live infants and stillbirths at 28 or more weeks of gestation at KCMC hospital from July 2000 to December 2010 (n = 39,993) were analysed. Multivariate logistic models were used to calculate odds ratios (OR) and 95 % confidence intervals (CIs) for risk factors, and feto-maternal outcomes associated with abruptio placentae. The frequency of abruptio placentae was 0.3 % (112/39,993). Risk factors for abruptio placentae were chronic hypertension (OR 4.1; 95 % CI 1.3–12.8), preeclampsia/eclampsia (OR 2.1; 95 % CI 1.1–4.1), previous caesarean delivery (OR 1.3; 95 % CI 1.2–4.2), previous abruptio placentae (OR 2.3; 95 % CI 1.8–3.4), fewer antenatal care visits (OR 1.3; 95 % 1.1–2.4) and high parity (OR 1.4; 95 % CI 1.2–8.6). Maternal complications associated with abruptio placentae were antepartum haemorrhage (OR 11.5; 95 % CI 6.3–21.2), postpartum haemorrhage (OR 17.9; 95 % 8.8–36.4),), caesarean delivery (OR 5.6; 95 % CI 3.6–8.8), need for blood transfusions (OR 9.6; 95 % CI 6.5–14.1), altered liver function (OR 5.3; 95 % CI 1.3–21.6) and maternal death (OR 1.6; 95 % CI 1.5–1.8). In addition, women with abruptio placentae had prolonged duration of hospital stay (more than 4 days) and were more likely to have been referred during labour. Adverse fetal outcomes associated with abruptio placentae include low birth weight (OR 5.9; 95 % CI 3.9–8.7), perinatal death (OR 17.6; 95 % CI 11.3–27.3) and low Apgar score (below 7) at 1 and 5 min. Frequency of abruptio placentae is comparable with local and international studies. Chronic hypertension, preeclampsia, prior caesarean section delivery, prior abruptio placentae, poor attendance to antenatal care and high parity were independently associated with abruptio placentae. Abruptio placentae was associated with adverse maternal and foetal outcomes. Clinicians should identify risk factors for abruptio placentae during prenatal care when managing pregnant women to prevent adverse maternal and foetal outcomes.

Item Type: Article
Keywords: Frequency, Abruptio placentae, Risk factors, Feto-maternal outcomes
Subjects: Maternal & Neonatal Health > Obstetric care
Divisions: Kilimanjaro Christian Medical Centre
Depositing User: Mr Joseph Madata
Date Deposited: 27 Jun 2016 05:46
Last Modified: 27 Jun 2016 05:46

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