Diagnostic Value of Risk Nomogram for the Prediction of Postpartum Hemorrhage Following Vaginal Delivery

سال انتشار: 1398
نوع سند: مقاله کنفرانسی
زبان: انگلیسی
مشاهده: 426

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شناسه ملی سند علمی:

COBGY15_087

تاریخ نمایه سازی: 11 آبان 1398

چکیده مقاله:

Backgrounds:Postpartum hemorrhage is considered as one of the major causes of maternal mortality across the World. Thus, evaluation of underlying risk factors in this domain is assumed as one of the important strategies for prevention of postpartum hemorrhage. Considering that the most effective risk factors have been suggested in various studies on risk nomogram for prediction of postpartum hemorrhage, this study was conducted to determine sensitivity, specificity, and predictive value of this nomogram in prediction of postpartum hemorrhage.Material and Method: The present research with a validity study design using diagnostic methods was performed prospectively on 600 women admitted to Omolbanin Hospital in the city of Mashhad (Iran) from May to October 2017. To this end; individual characteristics information, midwifery and labor stages form and Bigguzi’s risk nomogram were used for data collection. The researcher measured and recorded lost blood volume in mothers via plastic blood collection bags and pads within 4 hours after delivery. Subsequently, Bigguzi’s risk nomogram was completed for each study sample and then probability score for postpartum hemorrhage was calculated by researcher’s assistants. The data obtained from study samples were entered into SPSS Statistics (Version 25) software and analyzed. Ultimately, receiver operating characteristic (ROC) curve of risk nomogram was plotted.Result: Postpartum hemorrhage occurred in 33.3% (n=200) of deliveries in this study. The area under the receiver operating characteristic (ROC) curve was calculated by 81.2%. The point of 0.1 with 85.5% sensitivity and 51.5% specificity was also selected as the proposed cut-off point. Moreover, positive and negative predictive values were reported by 63.8% and 78.0%; respectively.Conclusion: According to the results of this study, the risk nomogram was considered as an appropriate method for prediction of postpartum hemorrhage. Therefore, it was recommended as a simple and low-cost approach for prediction of postpartum hemorrhage in childbirth

نویسندگان

Nazpari Ashouri

MSc in midwifery, school of nursing and midwifery, mashhad university of medical sciences, mashhad, Iran

Masoumeh Kordi

assistant professor, department of midwifery, Evidence based care Research Center, school of nursing and midwifery, mashhad university of medical sciences, mashhad, Iran

Mohammad-Taghi Shakeri

Professor of Biostatistics, School of Medicine, mashhad university of medical sciences, mashhad, Iran

Fatemeh Tara

professor of Obstetrics and Gynecology, Patient safety Research center, school of Medicine, mashhad university of medical sciences, mashhad, Iran