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- Shemer, E. Wikström, et al.
(author)
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Intrahepatic cholestasis of pregnancy and associated adverse pregnancy and fetal outcomes : a 12-year population-based cohort study
- 2013
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In: British Journal of Obstetrics and Gynecology. - : Wiley-Blackwell. - 1470-0328 .- 1471-0528. ; 120:6, s. 717-723
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Journal article (peer-reviewed)abstract
- Objective: To determine the risk for adverse pregnancy and fetal outcomes in intrahepatic cholestasis of pregnancy (ICP).Design: Population-based cohort study.Setting: Swedish Medical Birth Register (MBR) 19972009.Population: A total of 1213668 singleton deliveries.Methods: Linkage of Hospital Discharge Register for exposure (ICP; n=5477) with MBR for covariates.Main outcome measures: Gestational diabetes, pre-eclampsia, prematurity, and stillbirth.Results: Intrahepatic cholestasis (ICP) was diagnosed in 0.320.58% of all pregnancies, with an increasing trend until 2005 (P<0.0001). Compared with women who did not have ICP, women with ICP were more likely to have gestational diabetes (adjusted odds ratio, aOR, 2.81; 95% CI 2.323.41) and pre-eclampsia (aOR 2.62, 95% CI 2.322.78). Women with ICP were also more likely to have spontaneous (aOR 1.60, 95% CI 1.471.93) and iatrogenic (aOR 5.95, 95% CI 5.236.60) preterm delivery, with increased rates of induction of labour (aOR 11.76, 95% CI 11.0411.62). However, this actively managed cohort of ICP cases was not at increased risk of stillbirth (aOR 0.92, 95% CI 0.521.62). Infants in ICP deliveries were more likely to have a low (<7) 5-minute Apgar score (aOR 1.45, 95% CI 1.141.85) and be large for gestational age at birth (aOR 2.27, 95% CI 2.022.55).Conclusions: Over time, a greater proportion of Swedish pregnant women have received a diagnosis of ICP, probably because of an increased awareness of the disorder. Our data confirm an increased risk of preterm delivery, but not of stillbirth, in actively managed ICP. The high rates of gestational diabetes and pre-eclampsia are new findings, and need to be considered in the management of ICP pregnancies.
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| 2. |
- Ban, L, et al.
(author)
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The incidence of first stroke in and around pregnancy: A population-based cohort study from Sweden
- 2017
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In: European stroke journal. - : SAGE Publications. - 2396-9881 .- 2396-9873. ; 2:3, s. 250-256
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Journal article (peer-reviewed)abstract
- Research has suggested that delivery is associated with an increased risk of stroke in women; however, there is a lack of contemporary estimates on the incidence of stroke in and after pregnancy compared with the baseline risk in women of childbearing age in Sweden. Patients and methods All women aged 15–49 years with live births/stillbirths in 1992–2011 were identified from the Swedish Medical Birth Registry linked with the National Patient Registry. First stroke during the study period was identified. Incidence rates per 100,000 person-years and adjusted incidence rate ratios (IRRs) were calculated for antepartum, peripartum and early and late postpartum periods, compared with all other available follow-up time (time before pregnancy and after postpartum) using Poisson regression adjusted for maternal age, education attainment and calendar time. Results Of 1,124,541 women, 3094 had a first incident stroke (331 occurred during pregnancy or first 12 weeks postpartum), about half having ischaemic stroke. The incidence was 15.0 per 100,000 person-years (95% confidence interval 14.5–15.6) in non-pregnant time. The incidence was lower antepartum (7.3/100,000 person-years, 6.0–8.9; adjusted IRR = 0.7, 0.5–0.8) but higher peripartum (314.4/100,000 person-years, 247.5–399.5; adjusted IRR = 27.3, 21.4–34.9) and early postpartum (64.0/100,000 person-years, 54.1–75.7; adjusted IRR = 5.5, 4.6–6.6). The increased risk in peripartum was more evident for intracerebral haemorrhage than other types of stroke. Conclusion Overall risk of stroke was low in women of childbearing age, but stroke risk peaks in the peripartum and early postpartum periods. Future work should address factors that contribute to this increased risk in order to develop approaches to attenuate risk.
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