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Archives of Gynecology and Obstetrics

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01-01-2017 | Maternal-Fetal Medicine

Risk factors for post-partum hemorrhage following vacuum assisted vaginal delivery

Authors: Liran Hiersch, Riki Bergel-Bson, Dorit Asher, Amir Aviram, Rinat Gabby-Benziv, Yariv Yogev, Eran Ashwal

Published in: Archives of Gynecology and Obstetrics | Issue 1/2017

Abstract

Objective

To identify risk factors for post-partum hemorrhage (PPH) following vacuum assisted vaginal delivery (VAVD).

Study design

A retrospective study of all women with singleton pregnancies who underwent VAVD in a tertiary hospital (2012–2014). PPH was defined as any of the following: ≥500 ml estimated blood loss, hemoglobin drop ≥3 g/dl (difference between pre- and post-VAVD hemoglobin levels) or the need for blood products transfusion. Characteristics of women with PPH following VAVD were compared to those of women with no PPH following VAVD.

Results

Of 1,154 VAVDs, 295 (25.6 %) had PPH. Women in the PPH group were more often nulliparous (83.1 vs. 70.5 %, p = 0.001) and had higher rate of hypertensive disorders (4.4 vs. 1.4 %, p = 0.001). The rate of episiotomy (87.8 vs. 81.6 %, p = 0.01) was higher in the PPH group. In multivariate analysis, risk factors for PPH were (Odds Ratio, 95 % Confidence Interval) hypertensive disorders (2.40, 1.03–5.58, p = 0.04), induction of labor (1.42, 1.01–2.10, p = 0.04) and longer second (1.003, 1.001–1.006, p = 0.03) and 3rd (1.02, 1.01–1.04, p = 0.004) stages of labor.

Conclusion

Risk factors for PPH following VAVD can be identified and should be taken into consideration at the immediate post-partum period.

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Title: Risk factors for post-partum hemorrhage following vacuum assisted vaginal delivery
Authors: Liran Hiersch
Riki Bergel-Bson
Dorit Asher
Amir Aviram
Rinat Gabby-Benziv
Yariv Yogev
Eran Ashwal
Publication date: 01-01-2017
Publisher: Springer Berlin Heidelberg
Published in: Archives of Gynecology and Obstetrics / Issue 1/2017
Print ISSN: 0932-0067
Electronic ISSN: 1432-0711
DOI: https://doi.org/10.1007/s00404-016-4208-5

At a glance: The STEP trials

Springer Medicine

Risk factors for post-partum hemorrhage following vacuum assisted vaginal delivery

Abstract

Objective

Study design

Results

Conclusion

At a glance: The STEP trials

Springer Medicine

Abstract

Objective

Study design

Results

Conclusion

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