一种用于测量产后出血的收集袋的有效性
The Effectiveness of a Collector Bag for Measurement of Post-partum Hemorrhage.
作者信息
Abbaspoor Zahra, Vaziri Leila
机构信息
PhD in Reproductive Health, Assistant Professor, Department of Midwifery, Reproductive Health Promotion Research Center, Ahvaz Jundishapur University of Medical Sciences, Ahvaz, Iran.
MSc in Midwifery, Department of Midwifery, Faculty of Nursing and Midwifery, Ahvaz Jundishapur University of Medical Sciences, Ahvaz, Iran.
出版信息
Afr J Reprod Health. 2017 Mar;21(1):99-103. doi: 10.29063/ajrh2017/v21i1.9.
The aim of the study was to assess sensitivity, specificity, positive predictive value (PPV), negative predictive value (NPV) of collector bag and its correlation with hemoglobin (Hb) and hematocrit (Ht) variations. This study, carried on 100 women referred for admission to labor ward of Shohada hospital in Orumeyeh City, Iran, from April to November, 2007. Serum Hb and Ht were measured after admission; a collecting bag placed under the pelvis just after birth and was weighted after delivery. Hb and Ht were again assessed at 8 hr after delivery. PPH was defined as blood loss ˃500 ml following vaginal delivery. Each 500 ml blood loss accounts for approximately a 3% change in the Ht level or a falling in Hb of 1 g/dl. With this cut off our noted Sensitivity=80%, Specificity=95. 7%, PPV= 88.9% and NPV= 91.8%. The collector bag is a rapid and precise instrument to diagnose of postpartum hemorrhage in the delivery room. It also enables a visual, quantitative and objective estimation of blood loss.
本研究的目的是评估收集袋的敏感性、特异性、阳性预测值（PPV）、阴性预测值（NPV）及其与血红蛋白（Hb）和血细胞比容（Ht）变化的相关性。本研究于2007年4月至11月对转诊至伊朗乌鲁米耶市烈士医院产科病房住院的100名妇女进行。入院后测定血清Hb和Ht；出生后立即在骨盆下方放置一个收集袋，并在分娩后称重。分娩后8小时再次评估Hb和Ht。产后出血（PPH）定义为阴道分娩后失血>500 ml。每失血500 ml约占Ht水平变化3%或Hb下降1 g/dl。以此为界值，我们观察到敏感性=80%，特异性=95.7%，PPV=88.9%，NPV=91.8%。收集袋是产房诊断产后出血的一种快速、精确的工具。它还能对失血量进行直观、定量和客观的估计。
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