O46 A comparison of drape estimation and a standardized weight method for the measurement of postpartum blood loss

Ambardekar, S.; Coyaji, Kurus; Otiv, Suhas; Bracken, Hillary; Winikoff, Beverly

doi:10.1016/s0020-7292(09)60418-5

Cited by 3 publications

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“…Measuring blood loss is more difficult than visual estimation, and thus has been implemented less frequently. Although blood loss measurement could in theory influence observed blood loss, few studies used the drape, and both the bedpan/linens and drape methods are direct measurements that are found to be quite accurate and similar 56,57. Exclusion of studies where the incidence of PPH was extremely high, or limiting analyses to studies measuring blood loss for 1 hour, only slightly modified the incidence of severe PPH for all regimens.…”

Section: Discussionmentioning

confidence: 99%

What measured blood loss tells us about postpartum bleeding: a systematic review

Sloan

Durocher

Aldrich

et al. 2010

BJOG

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BackgroundMeta-analyses of postpartum blood loss and the effect of uterotonics are biased by visually estimated blood loss.ObjectivesTo conduct a systematic review of measured postpartum blood loss with and without prophylactic uterotonics for prevention of postpartum haemorrhage (PPH).Search strategyWe searched Medline and PubMed terms (labour stage, third) AND (ergonovine, ergonovine tartrate, methylergonovine, oxytocin, oxytocics or misoprostol) AND (postpartum haemorrhage or haemorrhage) and Cochrane reviews without any language restriction.Selection criteriaRefereed publications in the period 1988–2007 reporting mean postpartum blood loss, PPH (≥500 ml) or severe PPH (≥1000 ml) following vaginal births.Data collection and analysisRaw data were abstracted into Excel by one author and then reviewed by a co-author. Data were transferred to SPSS 17.0, and copied into RevMan 5.0 to perform random effects meta-analysis.Main resultsThe distribution of average blood loss (29 studies) is similar with any prophylactic uterotonic, and is lower than without prophylaxis. Compared with no uterotonic, oxytocin and misoprostol have lower PPH (OR 0.43, 95% CI 0.23–0.81; OR 0.73, 95% CI 0.50–1.08, respectively) and severe PPH rates (OR 0.61, 95% CI 0.29–1.29; OR 0.74, 95% CI 0.52–1.04, respectively). Oxytocin has lower PPH (OR 0.65, 95% CI 0.60–0.70) and severe PPH (OR 0.71, 95% CI 0.56–0.91) rates than misoprostol, but not in developing countries.ConclusionOxytocin is superior to misoprostol in hospitals. Misoprostol substantially lowers PPH and severe PPH. A sound assessment of the relative merits of the two drugs is needed in rural areas of developing countries, where most PPH deaths occur.

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Section: Discussionmentioning

confidence: 99%

What measured blood loss tells us about postpartum bleeding: a systematic review

Sloan

Durocher

Aldrich

et al. 2010

BJOG

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“…Blood loss at delivery was assessed by the outcome assessor using the gravimetric method [17]. Blood loss estimation was continued until 1 hour after delivery in both groups.…”

Section: Methodsmentioning

confidence: 99%

Double‐blind randomized controlled trial comparing misoprostol and oxytocin for management of the third stage of labor in a Nigerian hospital

Musa

Ijaiya

Saidu

et al. 2015

Intl J Gynecology & Obste

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Methods for blood loss estimation after vaginal birth

Díaz

Ábalos

Carroli

2018

Cochrane Database of Systematic Reviews

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Overall, the evidence in this review is insufficient to support the use of one method over another for blood loss estimation after vaginal birth. In general, the quality of evidence for our predefined outcomes ranged from low to high quality, with downgrading decisions due to imprecision. The included trials did not report on many of our primary and secondary outcomes.In trials that evaluate methods for estimating blood loss during vaginal birth, we believe it is important to measure their impact on clinical maternal and neonatal outcomes, along with their diagnostic accuracy. This body of knowledge needs further, well designed, appropriately powered, randomised controlled trials that correlate blood loss with relevant clinical outcomes, such as those listed in this review.

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O46 A comparison of drape estimation and a standardized weight method for the measurement of postpartum blood loss

Cited by 3 publications

References 0 publications

What measured blood loss tells us about postpartum bleeding: a systematic review

What measured blood loss tells us about postpartum bleeding: a systematic review

Double‐blind randomized controlled trial comparing misoprostol and oxytocin for management of the third stage of labor in a Nigerian hospital

Methods for blood loss estimation after vaginal birth

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