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A Contemporary Estimate of Total Mortality and Cardiovascular Disease Risk in Young Adults With Type 1 Diabetes: The Pittsburgh Epidemiology of Diabetes Complications Study.

ABSTRACT: OBJECTIVE:The degree to which mortality and cardiovascular disease (CVD) incidence remains elevated in young U.S. adults with type 1 diabetes (T1DM) is unclear. We determined contemporary rates for adults <45 years old with long-standing, childhood-onset T1DM from the Pittsburgh Epidemiology of Diabetes Complications (EDC) Study. RESEARCH DESIGN AND METHODS:Members of the EDC Study cohort <45 years old during the 1996-2012 follow-up period (n = 502) were studied. Mortality and CVD rates were calculated for those aged 30-39 and 40-44 years. Data from the background Allegheny County, Pennsylvania, population were used to calculate age- and sex-matched standardized mortality (SMR) and incidence rate ratios (IRR). RESULTS:In both age groups, the SMR for total mortality was ∼5 (95% CIs: 30-39-year-olds, 2.8, 7.2; 40-44-year-olds, 3.4, 7.8). CVD mortality SMRs ranged from 19 (95% CI 11, 32) to 33 (95% CI 17, 59). Hospitalized CVD IRR was ∼8 (95% CIs: 30-39-year-olds, 2.5, 18.9; 40-44-year-olds, 4.5, 12.8); revascularization procedures account for much of the increased risk. For all outcomes, the relative risk was larger in women. Participants aged 30-39 years had 6.3% (95% CI 3.8, 9.8) absolute 10-year CVD risk, approaching the American College of Cardiology/American Heart Association-recommended cut point of 7.5% for initiation of statin therapy in older adults. CONCLUSIONS:Total and CVD mortality and hospitalized CVD are all significantly increased in this contemporary U.S. cohort of young adults with long-standing T1DM. These findings support more aggressive risk factor management in T1DM, especially among women.

SUBMITTER: Miller RG

PROVIDER: S-EPMC5127232 | biostudies-other | 2016 Dec

REPOSITORIES: biostudies-other

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A Contemporary Estimate of Total Mortality and Cardiovascular Disease Risk in Young Adults With Type 1 Diabetes: The Pittsburgh Epidemiology of Diabetes Complications Study.

Miller Rachel G RG Mahajan Hemant D HD Costacou Tina T Sekikawa Akira A Anderson Stewart J SJ Orchard Trevor J TJ

Diabetes care 20160921 12

<h4>Objective</h4>The degree to which mortality and cardiovascular disease (CVD) incidence remains elevated in young U.S. adults with type 1 diabetes (T1DM) is unclear. We determined contemporary rates for adults <45 years old with long-standing, childhood-onset T1DM from the Pittsburgh Epidemiology of Diabetes Complications (EDC) Study.<h4>Research design and methods</h4>Members of the EDC Study cohort <45 years old during the 1996-2012 follow-up period (n = 502) were studied. Mortality and CVD ...[more]

PMID: 27654986

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Project description:BACKGROUND:Clinical treatment goals of type 1 diabetes mellitus (T1DM) have changed since the Diabetes Control and Complications Trial (DCCT) demonstrated reduced long-term complications with intensive diabetes therapy. There have been few longitudinal studies to describe the clinical course of T1DM in the age of intensive therapy. Our objective was to describe the current-day clinical course of T1DM. METHODS:An analysis of the cumulative incidence of long-term complications was performed. The DCCT (1983-1993) assigned patients to conventional or intensive therapy. Since 1993, the DCCT has been observational, and intensive therapy was recommended for all patients. The Pittsburgh Epidemiology of Diabetes Complications (EDC) study is an observational study of patients with T1DM from Allegheny County, Pennsylvania. The study population comprised the DCCT T1DM cohort (N = 1441) and a subset of the EDC cohort (n = 161) selected to match DCCT entry criteria. In the DCCT, intensive therapy aimed for a near-normal glycemic level with 3 or more daily insulin injections or an insulin pump. Conventional therapy, with 1 to 2 daily insulin injections, was not designed to achieve specific glycemic targets. Main outcome measures included the incidences of proliferative retinopathy, nephropathy (albumin excretion rate >300 mg/24 h, creatinine level >or=2 mg/dL [to convert to micromoles per liter, multiply by 88.4], or renal replacement), and cardiovascular disease. RESULTS:After 30 years of diabetes, the cumulative incidences of proliferative retinopathy, nephropathy, and cardiovascular disease were 50%, 25%, and 14%, respectively, in the DCCT conventional treatment group, and 47%, 17%, and 14%, respectively, in the EDC cohort. The DCCT intensive therapy group had substantially lower cumulative incidences (21%, 9%, and 9%) and fewer than 1% became blind, required kidney replacement, or had an amputation because of diabetes during that time. CONCLUSION:The frequencies of serious complications in patients with T1DM, especially when treated intensively, are lower than that reported historically.

Dataset Information

A Contemporary Estimate of Total Mortality and Cardiovascular Disease Risk in Young Adults With Type 1 Diabetes: The Pittsburgh Epidemiology of Diabetes Complications Study.

Publications

A Contemporary Estimate of Total Mortality and Cardiovascular Disease Risk in Young Adults With Type 1 Diabetes: The Pittsburgh Epidemiology of Diabetes Complications Study.

Similar Datasets

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