Quantification of Blood Loss for the Diagnosis of Postpartum Hemorrhage: a Systematic Review and Meta-analysis

Overview

Journal Rev Bras Enferm

Specialty Nursing

Date 2023 Dec 6

PMID 38055493

Authors

Mariana Torreglosa Ruiz

Nayara Freitas Azevedo

Cynthya Viana de Resende

Wellington Francisco Rodrigues

Joilson Meneguci

Divanice Contim

Monika Wernet

Carlo Jose Freire de Oliveira

Affiliations

Soon will be listed here.

Abstract

Objective: to compare the effectiveness of different diagnostic methods to estimate postpartum blood volume loss.

Methods: a systematic review of effectiveness according to PRISMA and JBI Protocol. Searches in PubMed/MEDLINE, LILACS, Scopus, Embase, Web of Science and CINAHL, with descriptor "Postpartum Hemorrhage" associated with keyword "Quantification of Blood Loss". Tabulated extracted data, presented in metasynthesis and meta-analysis was applied to quantitative data. To assess risk of bias, JBI Appraisal Tools were applied.

Results: fourteen studies were included, published between 2006 and 2021. Quantification of loss by any method was superior to visual estimation and is highly recommended, however the studies' high heterogeneity did not allow estimating this association.

Conclusion: the studies' high heterogeneity, with a probable margin of error given the uncontrolled factors, indicates the need for further studies, however quantification proved to be effective in relation to visual estimate. PROSPERO registration CRD 42021234486.

Citing Articles

Tests for diagnosis of postpartum haemorrhage at vaginal birth.

Yunas I, Gallos I, Devall A, Podesek M, Allotey J, Takwoingi Y Cochrane Database Syst Rev. 2025; 1:CD016134.

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Comparing visual estimation and hematocrit change in the assessment of blood loss among women undergoing cesarean delivery in a tertiary facility in northern Uganda.

Edilu R, Sanvu A, Ecuut J, Odong A, Bongomin F, Nantale R Ther Adv Reprod Health. 2024; 18:26334941241289552.

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Prolonged second stage of labor and risk of postpartum hemorrhage in nullipara with epidural anesthesia and vaginal delivery: A cohort study with propensity score analysis.

Liang S, Zheng W, Zhao Y, Su B, Cui H, Lv Y Int J Gynaecol Obstet. 2024; 168(1):141-148.

PMID: 39092578 PMC: 11649855. DOI: 10.1002/ijgo.15816.

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