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Maternal Diabetes and Overweight and Congenital Heart Defects in Offspring

JAMA network open, 2024-01, Vol.7 (1), p.e2350579-e2350579 [Peer Reviewed Journal]

Copyright 2024 Turunen R et al. . ;ISSN: 2574-3805 ;EISSN: 2574-3805 ;DOI: 10.1001/jamanetworkopen.2023.50579 ;PMID: 38180757

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  • Title:
    Maternal Diabetes and Overweight and Congenital Heart Defects in Offspring
  • Author: Turunen, Riitta ; Pulakka, Anna ; Metsälä, Johanna ; Vahlberg, Tero ; Ojala, Tiina ; Gissler, Mika ; Kajantie, Eero ; Helle, Emmi
  • Subjects: Child ; Diabetes Mellitus, Type 1 ; Diabetes, Gestational - epidemiology ; Female ; Heart Defects, Congenital - epidemiology ; Heart Defects, Congenital - etiology ; Heart Septal Defects, Ventricular ; Humans ; Male ; Medicin och hälsovetenskap ; Mothers ; Obesity - epidemiology ; Online Only ; Original Investigation ; Overweight - epidemiology ; Pediatrics ; Pregnancy
  • Is Part Of: JAMA network open, 2024-01, Vol.7 (1), p.e2350579-e2350579
  • Description: Maternal diabetes and overweight or obesity are known to be associated with increased risk of congenital heart defects (CHDs) in offspring, but there are no large studies analyzing outcomes associated with these factors in 1 model. To investigate the association of maternal diabetes and overweight or obesity with CHDs among offspring in 1 model. This nationwide, population-based register study was conducted in a birth cohort from Finland consisting of all children born between 2006 and 2016 (620 751 individuals) and their mothers. Data were analyzed from January 2022 until November 2023. Maternal prepregnancy body mass index (BMI; calculated as weight in kilograms divided by height in meters squared), categorized as underweight (<18.5), normal (18.5-24.9), overweight (25.0-29.9), and obesity (≥30), was assessed. Maternal diabetes status, classified as no diabetes, type 1 diabetes (T1D), type 2 or other diabetes, and gestational diabetes, was assessed. Odds ratios (ORs) of isolated CHDs in children were found. In addition, 9 anatomical CHD subgroups were studied. Of 620 751 children (316 802 males [51.0%]; 573 259 mothers aged 20-40 years [92.3%]) born in Finland during the study period, 10 254 children (1.7%) had an isolated CHD. Maternal T1D was associated with increased odds of having a child with any CHD (OR, 3.77 [95% CI, 3.26-4.36]) and 6 of 9 CHD subgroups (OR range, 3.28 [95% CI, 1.55-6.95] for other septal defects to 7.39 [95% CI, 3.00-18.21] for transposition of great arteries) compared with no maternal diabetes. Maternal overweight was associated with left ventricular outflow tract obstruction (OR, 1.28 [95% CI, 1.10-1.49]) and ventricular septal defects (OR, 0.92 [95% CI, 0.86-0.98]), and obesity was associated with complex defects (OR, 2.70 [95% CI, 1.14-6.43]) and right outflow tract obstruction (OR, 1.31 [95% CI, 1.09-1.58]) compared with normal maternal BMI. This study found that maternal T1D was associated with increased risk for most types of CHD in offspring, while obesity and overweight were associated with increased risk for complex defects and outflow tract obstruction and decreased risk for ventricular septal defects. These different risk profiles of T1D and overweight and obesity may suggest distinct underlying teratogenic mechanisms.
  • Publisher: United States: American Medical Association
  • Language: English
  • Identifier: ISSN: 2574-3805
    EISSN: 2574-3805
    DOI: 10.1001/jamanetworkopen.2023.50579
    PMID: 38180757
  • Source: Journals@Ovid Open Access Journal Collection Rolling
    AUTh Library subscriptions: ProQuest Central
    MEDLINE
    Alma/SFX Local Collection
    SWEPUB Freely available online
    DOAJ Directory of Open Access Journals
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