{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,8,28]],"date-time":"2026-08-28T04:03:42Z","timestamp":1787889822770,"version":"build-2784847793"},"reference-count":46,"publisher":"Oxford University Press (OUP)","issue":"1","license":[{"start":{"date-parts":[[2023,12,27]],"date-time":"2023-12-27T00:00:00Z","timestamp":1703635200000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"funder":[{"DOI":"10.13039\/501100006636","name":"Swedish Research Council for Health, Working life and Welfare","doi-asserted-by":"publisher","award":["4\u20132702\/2019"],"award-info":[{"award-number":["4\u20132702\/2019"]}],"id":[{"id":"10.13039\/501100006636","id-type":"DOI","asserted-by":"publisher"}]},{"name":"Swedish Heart and Lung Foundation","award":["3581\/2020"],"award-info":[{"award-number":["3581\/2020"]}]}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":[],"published-print":{"date-parts":[[2024,2,1]]},"abstract":"<jats:title>Abstract<\/jats:title>\n                  <jats:sec>\n                    <jats:title>Background<\/jats:title>\n                    <jats:p>We aimed to investigate the associations of pre-existing maternal cardiovascular disease (CVD) with attention-deficit\/hyperactivity disorder (ADHD), autism spectrum disorder (ASD) and intellectual disability (ID) in offspring.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Methods<\/jats:title>\n                    <jats:p>This population-based cohort study included singletons live-born without major malformations in Sweden (n\u2009=\u20092\u200a699\u200a675) and British Columbia (BC), Canada (n\u2009=\u2009887\u200a582) during 1990\u20132019, with follow-up from age 1 year until the outcome, death, emigration or December 2020, whichever came first. The primary exposure was defined as a composite CVD diagnosed prior to conception: cerebrovascular disease, arrhythmia, heart failure, valvular and congenital heart diseases. The incidences of ADHD, ASD and ID, comparing offspring of mothers with versus without CVD, were calculated as adjusted hazard ratios (aHRs). These results were compared with models using paternal CVD as negative control exposure.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Results<\/jats:title>\n                    <jats:p>Compared with offspring of mothers without CVD, offspring of mothers with CVD had 1.15-fold higher aHRs of ADHD [95% confidence interval (CI): 1.10\u20131.20] and ASD (95% CI 1.07\u20131.22). No association was found between maternal CVD and ID. Stratification by maternal CVD subtypes showed increased hazards of ADHD for maternal heart failure (HR 1.31, 95% CI 1.02\u20131.61), cerebrovascular disease (HR 1.20, 95% CI 1.08\u20131.32), congenital heart disease (HR 1.18, 95% CI 1.08\u20131.27), arrhythmia (HR 1.13, 95% CI 1.08\u20131.19) and valvular heart disease (HR 1.12, 95% CI 1.00\u20131.24). Increased hazards of ASD were observed for maternal cerebrovascular disease (HR 1.25, 95% CI 1.04\u20131.46), congenital heart disease (HR 1.17, 95% CI 1.01\u20131.33) and arrythmia (HR 1.12, 95% CI 1.01\u20131.21). Paternal CVD did not show associations with ADHD, ASD or ID, except for cerebrovascular disease which showed associations with ADHD and ASD.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Conclusions<\/jats:title>\n                    <jats:p>In this large cohort study, pre-existing maternal CVD was associated with increased risk of ADHD and ASD in offspring.<\/jats:p>\n                  <\/jats:sec>","DOI":"10.1093\/ije\/dyad184","type":"journal-article","created":{"date-parts":[[2023,12,16]],"date-time":"2023-12-16T02:54:12Z","timestamp":1702695252000},"source":"Crossref","is-referenced-by-count":8,"title":["Association of pre-existing maternal cardiovascular diseases with neurodevelopmental disorders in offspring: a cohort study in Sweden and British Columbia, Canada"],"prefix":"10.1093","volume":"53","author":[{"ORCID":"https:\/\/orcid.org\/0000-0002-9078-419X","authenticated-orcid":false,"given":"Muhammad 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