AI Article Synopsis
- Maternal diabetes significantly worsens glycemic control and increases risks of complications in youth with type 2 diabetes, compared to paternal diabetes, which shows no such effects.
- The study analyzed data from 699 participants aged 10 to 17 over 12 years, finding that issues like glomerular hyperfiltration and low heart rate variability are linked to maternal diabetes.
- The findings suggest that diabetes exposure in utero may play a critical role in the long-term health outcomes of youth with type 2 diabetes.
Article Abstract
Context: Prenatal exposures, including undernutrition, overnutrition, and parental diabetes, are recognized risk factors for future cardiometabolic disease. There are currently no data on effects of parental diabetes on disease progression or complications in youth-onset type 2 diabetes (T2D).
Objective: We analyzed effects of parental diabetes history on glycemic outcomes, β-cell function, and complications in a US cohort of youth-onset T2D.
Methods: Participants (N = 699) aged 10 to 17 years with T2D were enrolled at 15 US centers and followed for up to 12 years as part of the TODAY (Treatment Options for type 2 Diabetes in Adolescents and Youth) and TODAY2 follow-up studies. Information about diabetes diagnosis in biological mothers was available for 621 participants (never = 301; before or during pregnancy = 218; after pregnancy = 102) and in biological fathers for 519 (no diabetes = 352; paternal diabetes = 167).
Results: Maternal, but not paternal, diabetes was associated with loss of glycemic control over time, defined as glycated hemoglobin A1c greater than or equal to 8% for more than 6 months (P = .001). Similarly, maternal, but not paternal, diabetes was associated with increased risk of glomerular hyperfiltration (P = .01) and low heart rate variability (P = .006) after 12 years of follow-up. Effects were largely independent of age, sex, race/ethnicity, and household income. Maternal diabetes during vs after pregnancy had similar effects on outcomes.
Conclusion: Maternal diabetes, regardless of whether diagnosed during vs after pregnancy, is associated with worse glycemic control, glomerular hyperfiltration, and reduced heart rate variability in youth with T2D in TODAY. The strong associations of diabetes outcomes with maternal diabetes suggest a possible role for in utero programming.
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| http://www.ncbi.nlm.nih.gov/pmc/articles/PMC10306086 | PMC |
| http://dx.doi.org/10.1210/clinem/dgac663 | DOI Listing |
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