Effects of placental cord drainage in the third stage of labour: A meta-analysis

Abstract Observational studies have demonstrated that placental cord drainage can shorten the length of the third stage of labour and reduce blood loss during vaginal deliveries. The aim of our work was to evaluate the existing evidence for the effectiveness of placental cord drainage in the third s...

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Autores principales:	Hang-lin Wu, Xiao-wen Chen, Pei Wang, Qiu-meng Wang
Formato:	article
Lenguaje:	EN
Publicado:	Nature Portfolio 2017
Materias:	Medicine R Science Q
Acceso en línea:	https://doaj.org/article/6d4b0d79b0934ec88ebd5db23a8e33da
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spelling	oai:doaj.org-article:6d4b0d79b0934ec88ebd5db23a8e33da2021-12-02T12:32:59ZEffects of placental cord drainage in the third stage of labour: A meta-analysis10.1038/s41598-017-07722-72045-2322https://doaj.org/article/6d4b0d79b0934ec88ebd5db23a8e33da2017-08-01T00:00:00Zhttps://doi.org/10.1038/s41598-017-07722-7https://doaj.org/toc/2045-2322Abstract Observational studies have demonstrated that placental cord drainage can shorten the length of the third stage of labour and reduce blood loss during vaginal deliveries. The aim of our work was to evaluate the existing evidence for the effectiveness of placental cord drainage in the third stage of labour. PubMed, Embase, the Cochrane Library, Web of Science, Google Scholar and 50 journals were searched up to the 4th of June, 2017. Randomized controlled trials comparing placental cord drainage with no cord drainage in the third stage of labour during vaginal delivery were included. Nine studies with 2653 participants were included. Compared with clamping the umbilical cord, umbilical cord drainage during the third stage of labour shortened the third-stage duration by 2.28 minutes (95% confidence interval (CI), −3.22 to −1.33), but did not reduce the amount of blood loss (−31.99 mL, −86.08 to 22.09). For women with normal vaginal deliveries, the incidence of postpartum haemorrhage was reduced by 3%. Placental cord drainage is a simple and non-invasive procedure that should be considered after delayed cord clamping. Further studies about the physiological processes and effects of placental cord drainage in additional circumstances are needed.Hang-lin WuXiao-wen ChenPei WangQiu-meng WangNature PortfolioarticleMedicineRScienceQENScientific Reports, Vol 7, Iss 1, Pp 1-8 (2017)
institution	DOAJ
collection	DOAJ
language	EN
topic	Medicine R Science Q
spellingShingle	Medicine R Science Q Hang-lin Wu Xiao-wen Chen Pei Wang Qiu-meng Wang Effects of placental cord drainage in the third stage of labour: A meta-analysis
description	Abstract Observational studies have demonstrated that placental cord drainage can shorten the length of the third stage of labour and reduce blood loss during vaginal deliveries. The aim of our work was to evaluate the existing evidence for the effectiveness of placental cord drainage in the third stage of labour. PubMed, Embase, the Cochrane Library, Web of Science, Google Scholar and 50 journals were searched up to the 4th of June, 2017. Randomized controlled trials comparing placental cord drainage with no cord drainage in the third stage of labour during vaginal delivery were included. Nine studies with 2653 participants were included. Compared with clamping the umbilical cord, umbilical cord drainage during the third stage of labour shortened the third-stage duration by 2.28 minutes (95% confidence interval (CI), −3.22 to −1.33), but did not reduce the amount of blood loss (−31.99 mL, −86.08 to 22.09). For women with normal vaginal deliveries, the incidence of postpartum haemorrhage was reduced by 3%. Placental cord drainage is a simple and non-invasive procedure that should be considered after delayed cord clamping. Further studies about the physiological processes and effects of placental cord drainage in additional circumstances are needed.
format	article
author	Hang-lin Wu Xiao-wen Chen Pei Wang Qiu-meng Wang
author_facet	Hang-lin Wu Xiao-wen Chen Pei Wang Qiu-meng Wang
author_sort	Hang-lin Wu
title	Effects of placental cord drainage in the third stage of labour: A meta-analysis
title_short	Effects of placental cord drainage in the third stage of labour: A meta-analysis
title_full	Effects of placental cord drainage in the third stage of labour: A meta-analysis
title_fullStr	Effects of placental cord drainage in the third stage of labour: A meta-analysis
title_full_unstemmed	Effects of placental cord drainage in the third stage of labour: A meta-analysis
title_sort	effects of placental cord drainage in the third stage of labour: a meta-analysis
publisher	Nature Portfolio
publishDate	2017
url	https://doaj.org/article/6d4b0d79b0934ec88ebd5db23a8e33da
work_keys_str_mv	AT hanglinwu effectsofplacentalcorddrainageinthethirdstageoflabourametaanalysis AT xiaowenchen effectsofplacentalcorddrainageinthethirdstageoflabourametaanalysis AT peiwang effectsofplacentalcorddrainageinthethirdstageoflabourametaanalysis AT qiumengwang effectsofplacentalcorddrainageinthethirdstageoflabourametaanalysis
_version_	1718393925258969088

Effects of placental cord drainage in the third stage of labour: A meta-analysis

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