Τετάρτη 4 Ιανουαρίου 2023

Birth weight, gestational age and risk of cardiovascular disease in early adulthood: Influence of familial factors

alexandrossfakianakis shared this article with you from Inoreader
Abstract
The association between intrauterine growth restriction (IUGR) and cardiovascular disease (CVD) later in life might be confounded by familial factors. We conducted a bi-national register-based cohort study to assess associations of birthweight for gestational age (GA), a proxy for IUGR, and GA with CVD risk in early adulthood, before and after addressing familial factors via sibling comparison. We included 3,410,334 live non-malformed singleton births in Sweden (1973-1996) and Denmark (1978-1998). During a median follow-up of 10 years from age 18 onwards, 29,742 individuals developed incident CVD (hypertensive, ischemic heart, and cerebrovascular diseases). Compared with individuals born with appropriate birthweight for GA (AGA, 10th-90th percentiles) or full term (39-40 gestational weeks), individuals born severely small for GA (SGA, <3rd percentile) or preterm (22-36 weeks) were at increased risk of CVD [HRs (95% CIs): 1.38 (1.32-1.45) and 1 .31 (1.25-1.38), respectively]. The association was attenuated when comparing individuals born SGA with their AGA siblings (1.11, 0.99-1.25), but remained robust when comparing individuals born preterm with their term siblings (1.21, 1.07-1.37). Our findings suggest that both SGA and preterm birth are associated with CVD risk in early adulthood, with greater familial confounding noted for SGA.
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