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Postpartum Blood Loss in Women Treated for Intrahepatic Cholestasis of Pregnancy


Furrer, Romana; Winter, Katharina; Schäffer, Leonhard; Zimmermann, Roland; Burkhardt, Tilo; Haslinger, Christian (2016). Postpartum Blood Loss in Women Treated for Intrahepatic Cholestasis of Pregnancy. Obstetrics and Gynecology, 128(5):1048-1052.

Abstract

OBJECTIVE To evaluate postpartum blood loss in women with treated intrahepatic cholestasis of pregnancy. METHODS In a retrospective case-control study, 15,083 deliveries including 348 women with intrahepatic cholestasis of pregnancy (2.3%) were analyzed from 2004 to 2014. To adjust for differences in baseline characteristics, a propensity analysis was performed and women in the control group were matched to the women in the intrahepatic cholestasis of pregnancy group in a 5:1 ratio. Blood loss was analyzed by estimated blood loss and Δ hemoglobin (Hb, difference between prepartum and postpartum Hb). A subgroup analysis regarding severity of intrahepatic cholestasis of pregnancy based on maximum bile acid level (mild [less than 40 micromoles/L], moderate [40-99 micromoles/L], and severe intrahepatic cholestasis of pregnancy [100 micromoles/L or greater]) was performed. Differences in estimated blood loss, ΔHb, and meconium staining between subgroups were analyzed. A Spearman rank correlation was performed to evaluate the association of bile acid levels and blood loss within subgroups. RESULTS Estimated blood loss (median 400 [300-600] mL compared with 400 [300-600] mL, P=.22), ΔHb (14.0 [5.0-22.0] compared with 12.0 [4.0-21.0] g/L, P=.09), meconium staining (14.5% compared with 11.4%, P=.12), and number of stillbirths after 26 weeks of gestation (0.6% compared with 1.8%, P=.10) were not significantly different in the study compared with the control group. In moderate and severe intrahepatic cholestasis of pregnancy, meconium staining was observed significantly more often compared with that in a control group (23.0% and 32.3% compared with 11.4%, P<.01). There was no correlation between estimated blood loss or ΔHb and severity of intrahepatic cholestasis of pregnancy. CONCLUSIONS In our cohort of women with intrahepatic cholestasis of pregnancy who are treated with ursodeoxycholic acid and have planned delivery (induction of labor or planned cesarean delivery) at 38 weeks of gestation, no differences in postpartum blood loss were seen.

Abstract

OBJECTIVE To evaluate postpartum blood loss in women with treated intrahepatic cholestasis of pregnancy. METHODS In a retrospective case-control study, 15,083 deliveries including 348 women with intrahepatic cholestasis of pregnancy (2.3%) were analyzed from 2004 to 2014. To adjust for differences in baseline characteristics, a propensity analysis was performed and women in the control group were matched to the women in the intrahepatic cholestasis of pregnancy group in a 5:1 ratio. Blood loss was analyzed by estimated blood loss and Δ hemoglobin (Hb, difference between prepartum and postpartum Hb). A subgroup analysis regarding severity of intrahepatic cholestasis of pregnancy based on maximum bile acid level (mild [less than 40 micromoles/L], moderate [40-99 micromoles/L], and severe intrahepatic cholestasis of pregnancy [100 micromoles/L or greater]) was performed. Differences in estimated blood loss, ΔHb, and meconium staining between subgroups were analyzed. A Spearman rank correlation was performed to evaluate the association of bile acid levels and blood loss within subgroups. RESULTS Estimated blood loss (median 400 [300-600] mL compared with 400 [300-600] mL, P=.22), ΔHb (14.0 [5.0-22.0] compared with 12.0 [4.0-21.0] g/L, P=.09), meconium staining (14.5% compared with 11.4%, P=.12), and number of stillbirths after 26 weeks of gestation (0.6% compared with 1.8%, P=.10) were not significantly different in the study compared with the control group. In moderate and severe intrahepatic cholestasis of pregnancy, meconium staining was observed significantly more often compared with that in a control group (23.0% and 32.3% compared with 11.4%, P<.01). There was no correlation between estimated blood loss or ΔHb and severity of intrahepatic cholestasis of pregnancy. CONCLUSIONS In our cohort of women with intrahepatic cholestasis of pregnancy who are treated with ursodeoxycholic acid and have planned delivery (induction of labor or planned cesarean delivery) at 38 weeks of gestation, no differences in postpartum blood loss were seen.

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Additional indexing

Item Type:Journal Article, refereed, original work
Communities & Collections:04 Faculty of Medicine > University Hospital Zurich > Clinic for Obstetrics
Dewey Decimal Classification:610 Medicine & health
Language:English
Date:6 October 2016
Deposited On:21 Oct 2016 09:18
Last Modified:26 Oct 2016 01:02
Publisher:Lippincott Williams & Wilkins
ISSN:0029-7844
Free access at:Publisher DOI. An embargo period may apply.
Publisher DOI:https://doi.org/10.1097/AOG.0000000000001693
PubMed ID:27741180

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