The impact of gestational diabetes and gestational hypertension on future cardiovascular events: A nationwide cross-sectional cohort study.

Cardiovascular disease is the leading cause of female death worldwide. The link between future cardiovascular events and a history of hypertensive disease in pregnancy or gestational diabetes (GDM) has been well established. Less well understood is the impact on future cardiovascular risk when gestational hypertension (GH) and GDM have occurred together. We assessed the association of GDM and GH with future cardiovascular events both alone and in combination. All female patients discharged from French hospitals in 2013 with 5 years of subsequent and complete follow-up were identified. They were grouped depending on their history of GDM, history of GH, history of both or history of neither. After propensity score matching, patients with GDM and/or GH were matched 1:1 with patients with no GDM or GH. Hazard ratios (HR) for cardiovascular events during follow-up were adjusted by age at baseline. Women with a history of GH had an increased risk of cardiovascular death (HR 5.46, 95 % confidence interval [CI] 1.93-15.49). Women with a history of GDM had no significant difference in the risk of cardiovascular events such as myocardial infarction (HR 0.88, 95 %CI 0.38-2.03) and cardiovascular death (HR 1.25, 95 %CI 0.47-3.36) during the 5 year follow up. Those with a history of both GDM and GH had a significantly increased risk of myocardial infarction (HR 23.33, 95 %CI 4.84-112.39). Women with a history of both GH and GDM are at a 23-fold increased risk of myocardial infarction within the first 5 years of their postnatal lives.

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Déclaration de conflit d'intérêts

Declaration of competing interest The authors declare that they have no known competing financial interests or personal relationships that could have appeared to influence the work reported in this paper.