Effect of Glycemic Treatment and Microvascular Complications on Menopause in Women With Type 1 Diabetes in the Diabetes Control and Complications Trial/Epidemiology of Diabetes Interventions and Complications (DCCT/EDIC) Cohort
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Kim, Catherine
Cleary, Patricia A.
Cowie, Catherine C.
Braffett, Barbara H.
Dunn, Rodney L.
Gatcomb, Patricia M.
Wessells, Hunter B.
Sarma, Aruna V.
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https://doi.org/10.2337/dc13-1746Metadata
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Kim, Catherine, Patricia A. Cleary, Catherine C. Cowie, Barbara H. Braffett, Rodney L. Dunn, Mary E. Larkin, Patricia M. Gatcomb, Hunter B. Wessells, David M. Nathan, and Aruna V. Sarma. 2014. “Effect of Glycemic Treatment and Microvascular Complications on Menopause in Women With Type 1 Diabetes in the Diabetes Control and Complications Trial/Epidemiology of Diabetes Interventions and Complications (DCCT/EDIC) Cohort.” Diabetes Care 37 (3): 701-708. doi:10.2337/dc13-1746. http://dx.doi.org/10.2337/dc13-1746.Abstract
OBJECTIVE We examined the impact of intensive versus conventional diabetes treatment upon menopause among women with type 1 diabetes in the Diabetes Control and Complications Trial (DCCT), a randomized controlled trial of intensive diabetes treatment, and its observational follow-up, the Epidemiology of Diabetes Interventions and Complications (EDIC) study. RESEARCH DESIGN AND METHODS In a secondary analysis of women in the DCCT/EDIC (n = 657), outcomes were the cumulative incidences of natural menopause and surgical menopause. Cox regression analyses were used to examine associations with treatment group, time-varying estimates of hemoglobin A1c (HbA1c), insulin dosage, BMI, and microvascular complications (retinopathy, nephropathy, and neuropathy). RESULTS By EDIC year 18, after an average of 28 years of follow-up, 240 (38%) women had experienced natural menopause and 115 (18%) women had experienced surgical menopause. Age at natural menopause was similar in the intensive versus conventional groups (49.9 vs. 49.0 years; P = 0.28), and age at surgical menopause was similar in the intensive versus conventional groups (40.8 vs. 42.0 years; P = 0.31). In multivariable models, treatment group, HbA1c, and microvascular complications were not associated with risk of natural or surgical menopause. Each 10 unit/day increase in insulin dosage decreased risk of natural menopause (hazard ratio [HR] 0.91, 95% CI 0.75–0.98) and each kg/m2 increase in BMI increased risk of surgical menopause (HR 1.08, 95% CI 1.00–1.16). CONCLUSIONS In the DCCT/EDIC, intensive versus conventional treatment group and HbA1c level were not associated with menopause risk. Greater insulin dose was associated with lower menopause risk.Other Sources
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC3931380/pdf/Terms of Use
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