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Prevalence of arterial stiffness in adolescents with type 2 diabetes in the TODAY cohort: Relationships to glycemic control and other risk factors.

ABSTRACT: AIMS:We aimed to determine the prevalence of arterial stiffness in young adults with youth-onset type 2 diabetes who previously participated in the TODAY clinical trial and whether arterial stiffness is influenced by their prior diabetes treatment assignment or glycemic control. METHODS:We measured arterial stiffness by femoral, radial, and foot pulse wave velocity (PWV), augmentation index (AIx), and brachial distensibility (BrachD) in 453 TODAY participants (age 20.8?±?2.5?years, diabetes duration 7.6?±?1.5?years, 36.4% male, BMI 36.7?±?8.2?kg/m2) at a mean of 7.6?years post-randomization. Increased arterial stiffness in TODAY youth was defined compared with data from lean controls. We assessed whether glycemic control over time or diabetes treatment in TODAY was associated with arterial stiffness. RESULTS:Arterial stiffness was identified in up to 50% of TODAY participants. Prior diabetes treatment assignment was not associated with higher arterial stiffness. Glycemic control over time was associated with PWV radial and foot only. Age, race-ethnicity, sex, higher blood pressure and BMI were also associated with higher arterial stiffness. CONCLUSIONS:Nearly half of TODAY youth have increased arterial stiffness. Targeting blood pressure and perhaps obesity and glycemic control may positively impact arterial health in adolescents with type 2 diabetes. TRIAL REGISTRATION:ClinicalTrials.govNCT00081328.

SUBMITTER: Shah AS

PROVIDER: S-EPMC6444355 | biostudies-literature | 2018 Aug

REPOSITORIES: biostudies-literature

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Prevalence of arterial stiffness in adolescents with type 2 diabetes in the TODAY cohort: Relationships to glycemic control and other risk factors.

Shah Amy S AS El Ghormli Laure L Gidding Samuel S SS Bacha Fida F Nadeau Kristen J KJ Levitt Katz Lorraine E LE Tryggestad Jeanie B JB Leibel Natasha N Hale Daniel E DE Urbina Elaine M EM

Journal of diabetes and its complications 20180525 8

<h4>Aims</h4>We aimed to determine the prevalence of arterial stiffness in young adults with youth-onset type 2 diabetes who previously participated in the TODAY clinical trial and whether arterial stiffness is influenced by their prior diabetes treatment assignment or glycemic control.<h4>Methods</h4>We measured arterial stiffness by femoral, radial, and foot pulse wave velocity (PWV), augmentation index (AIx), and brachial distensibility (BrachD) in 453 TODAY participants (age 20.8 ± 2.5 years ...[more]

PMID: 29936086

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Project description:OBJECTIVE: To examine trends in microvascular complications in adolescents with type 1 diabetes between 1990 and 2009 in Sydney, Australia. RESEARCH DESIGN AND METHODS: We used analysis of complications in 1,604 adolescents (54% female, aged 12-20 years, median duration 8.6 years), stratified by four time periods using Generalized Estimation Equations as follows: T1 (1990-1994), T2 (1995-1999), T3 (2000-2004), and T4 (2005-2009). Early retinopathy was detected using seven-field fundal photography, albumin excretion rate (AER) using timed overnight urine collections, and albumin-to-creatinine ratio (ACR) and peripheral nerve function using thermal and vibration threshold. RESULTS: Retinopathy declined (53, 38, 23, and 12%; P < 0.001), as did borderline elevation of AER/ACR (45, 30, 26, and 30%; P < 0.001) and microalbuminuria (8, 4, 3, and 3%; P = 0.006). Multiple daily injections (MDI)/continuous subcutaneous insulin infusion (CSII) use increased (17, 54, 75, and 88%; P < 0.001), median HbA(1c) decreased (9.1, 8.9, 8.5, and 8.5%; P < 0.001), and severe hypoglycemia was unchanged (6, 8, 10, and 7%; P = 0.272). Retinopathy was associated with diabetes duration (odds ratio [OR] 1.12 [95% CI 1.08-1.17]), age (1.13 [1.06-1.20]), HbA(1c) (1.16 [1.08-1.25]), systolic blood pressure (BP) SDS (1.31 [1.16-1.48]), socioeconomic disadvantage (1.42 [1.04-1.95]), and 1 to 2 injections per day (vs. MDI/CSII; 1.35 [1.05-1.73]); borderline AER/ACR with male sex (1.32 [1.02-1.70]), age (1.19 [1.12-1.26]), HbA(1c) (1.18 [1.08-1.29]), weight SDS (1.31 [1.21-1.53]), insulin dose per kilograms (1.64 [1.13-2.39]), 1 to 2 injections per day (1.41 [1.08-1.84]), and socioeconomic disadvantage (1.68 [1.23-2.31]); and microalbuminuria with age (1.14 [1.01-1.29]), HbA(1c) (1.20 [1.05-1.37]), diastolic BP SDS (1.76 [1.26-2.46]), and 1 to 2 injections per day (1.95 [1.11-3.41]). CONCLUSIONS: The decline in retinopathy supports contemporary guidelines that recommend lower glycemic targets and use of MDI/CSII in children and adolescents with type 1 diabetes.

Project description:BackgroundEffect of prediabetes and normal glucose on arterial stiffness remains controversial. The primary aim of this study was to investigate the relationship of fasting plasma glucose (FPG), postprandial glucose (PG) and glycosylated haemoglobin (HbA1c) with brachial-ankle pulse wave velocity (baPWV) and cardio-ankle vascular index (CAVI) in Caucasian adults. The secondary aim was to analyse this relationship by glycaemic status.MethodsCross-sectional study. Setting: Primary care. Participants: 2,233 subjects, 35-74 years. Measures: FPG (mg/dL) and HbA1c (%) of all subjects were measured using standard automated enzymatic methods. PG (mg/dL) was self-measured at home two hours after meals (breakfast, lunch and dinner) for one day using an Accu-chek ® glucometer. CAVI was measured using a VaSera VS-1500® device (Fukuda Denshi), and baPWV was calculated using a validated equation.ResultsCAVI and baPWV values were significantly higher in subjects with diabetes mellitus than in glucose normal and prediabetes groups (p<0.001). FPG, PG and HbA1c were positively associated with CAVI and baPWV. The β regression coefficient for: HbA1c was 0.112 (CI 95% 0.068 to 0.155) with CAVI, 0.266 (CI 95% 0.172 to 0.359) with baPWV; for PG was 0.006 (CI 95% 0.004 to 0.009 and for FPG was 0.005 (CI 95% 0.002 to 0.008) with baPWV; and for PG was 0.002 (CI 95% 0.001 to 0.003) and 0.003 (CI 95% 0.002 to 0.004) with CAVI (p<0.01 in all cases). When analysing by hyperglycaemic status, FPG, PG and HbA1c were positively associated with CAVI and baPWV in subjects with type 2 diabetes mellitus.ConclusionFPG, PG and HbA1c show a positive association with CAVI and baPWV, in Caucasian adults with intermediate cardiovascular risk factors. When analysing by hyperglycaemic status, the association is only maintained in subjects with type 2 diabetes mellitus.Trial registrationClinical Trials.gov Identifier: NCT01428934. Registered 2 September 2011. Retrospectively registered. Last updated September 8, 2016.

Dataset Information

Prevalence of arterial stiffness in adolescents with type 2 diabetes in the TODAY cohort: Relationships to glycemic control and other risk factors.

Publications

Prevalence of arterial stiffness in adolescents with type 2 diabetes in the TODAY cohort: Relationships to glycemic control and other risk factors.

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