The accuracy of contrast-enhanced computed tomography scans to detect postpartum haemorrhage: an observational study

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Abstract

Introduction: Postpartum haemorrhage is a major cause of maternal mortality. Although contrast-enhanced computed tomography (CE-CT) is useful to reveal arterial bleeding, its accuracy in postpartum haemorrhage is unclear. The aim of this study was to evaluate the accuracy of CE-CT scanning in detecting postpartum haemorrhage. Methods: This was a retrospective observational study. We included patients with postpartum haemorrhage treated by emergency physicians in collaboration with obstetricians. We calculated the sensitivity, specificity, and positive and negative predictive values for CE-CT scanning to detect arterial bleeding. Results: CE-CT scanning was performed in 52 patients, and 31 patients had extravasation. The sensitivity of CE-CT scanning to detect arterial extravasation was 100% (15/15), specificity was 28.6% (2/7), positive predictive value was 75% (15/20), and negative predictive value was 100% (2/2). Conclusion: We showed the sensitivity of CE-CT scanning to detect arterial extravasation in patients with postpartum haemorrhage to be 100%.

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Mitsuyama, Y., Katayama, Y., Oi, K., Shimazaki, J., Mimura, K., Endo, M., & Shimazu, T. (2022). The accuracy of contrast-enhanced computed tomography scans to detect postpartum haemorrhage: an observational study. BMC Pregnancy and Childbirth, 22(1). https://doi.org/10.1186/s12884-021-04306-2

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