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Aim Disparities exist in cardiovascular diseases (CVD) and diabetes in the United States (U.S.) with Central Appalachia having disproportionate burden. This study examined prevalence and correlates of CVD risk-factors among patients with diabetes/subclinical atherosclerosis in Central Appalachia.
During 2012-2016, 3000 patients from Central Appalachia were screened for subclinical atherosclerosis, using coronary artery calcium (CAC) scores; 419 participants had diabetes. Patients were categorized into four groups, with emphasis on those having subclinical atherosclerosis, CAC score ≥ 1. Descriptive statistics and multilevel multinomial logistic regression were conducted to identify CVD risk and spatial factors associated with co-existence of diabetes and subclinical atherosclerosis.
Among participants, prevalence of CVD risk-factors ranged from 11.7% for current smokers to 69.2% for those with CVD family history. Average BMI was 29.8. BAY 11-7082 molecular weight Compared to patients with diabetes only, age [RR = 1.07; p ≤ 0.0001], being male [RR = 5.33; p ≤ 0.0001], having hypertension [RR = 2.37; p ≤ 0.05] and being a former smoker were associated with increased likelihood of having diabetes/subclinical atherosclerosis. At the zip-code level, unemployment rate [RR = 1.37; p ≤ 0.05] was significantly associated with having diabetes/subclinical atherosclerosis.
Consistent with clinical guidelines, study results suggest the need to integrate CAC screening into primary care diabetes programs while addressing spatial issues that predispose patients to have diabetes/subclinical atherosclerosis.
Consistent with clinical guidelines, study results suggest the need to integrate CAC screening into primary care diabetes programs while addressing spatial issues that predispose patients to have diabetes/subclinical atherosclerosis.
For women with previous gestational diabetes (GDM), international guidelines recommend 75 g oral glucose tolerance test (OGTT) at 4-12 weeks after delivery to assess glucose tolerance, considering their increased risk of type 2 diabetes. We evaluated prevalence of postpartum impaired glucose regulation (IGR) and identified associated risk factors.
We retrospectively collected data from 749 women with previous GDM (IADPSG criteria) who underwent postpartum OGTT for type 2 diabetes screening between 2011 and 2019. IGR was identified according to ADA criteria.
Prevalence of IGR was 12.7%, lower in women with pre-pregnancy normal weight, higher in women with family history of type 2 diabetes and in those treated with insulin during pregnancy. Prevalence of IGR raised with increasing number of altered glucose values at OGTT performed during pregnancy for GDM screening. HbA1c and triglycerides measured during the third trimester of pregnancy were higher in women with postpartum IGR. At postpartum screening, women with IGR had higher BMI, waist, blood pressure. At multivariate logistic regression analysis, family history of diabetes (OR 2.21; 95% CI 1.33-3.69; p < 0.01) and presence of all three glucose values exceeding threshold at OGTT during pregnancy (OR 2.89; 95% CI 1.42-5.86; p < 0.01) were independently associated with IGR.
In women with GDM, persistence of IGR in the immediate postpartum period is associated with family history of diabetes and the presence of all three glucose values exceeding diagnostic threshold for GDM at OGTT in pregnancy, suggesting that these women should undergo specific diabetes monitoring and prevention programs.
In women with GDM, persistence of IGR in the immediate postpartum period is associated with family history of diabetes and the presence of all three glucose values exceeding diagnostic threshold for GDM at OGTT in pregnancy, suggesting that these women should undergo specific diabetes monitoring and prevention programs.
To examine candidate insulin resistance single nucleotide polymorphisms (SNPs) for associations with glycemic control, insulin resistance, BMI, and complications in an observational type 1 diabetes (T1D) cohort the Pittsburgh Epidemiology of Diabetes Complications (EDC) study.
In 422 European-ancestry participants, we assessed associations using additive models between 15 candidate SNPs and 25-year mortality, cardiovascular disease, microalbuminuria, overt nephropathy and proliferative retinopathy, and 25-year mean HbA1c, estimated glucose disposal rate (eGDR, inverse measure of insulin resistance), and BMI.
The A allele of rs12970134 was associated with higher mean HbA1c (β = +0.34 ± 0.09, p = 0.00009) and nominally associated with worse eGDR (p = 0.02). Further analyses suggest the HbA1c association may be modified by diabetes therapy regimen rs12970134 AA genotype was associated with higher HbA1c under non-intensive therapy conditions (<3 insulin injections/day or monitoring blood glucose<3 times/day [p = 0.004]), but not under intensive therapy (≥3 injections/day or insulin pump and monitoring glucose≥3 times/day [p = 0.71]). There were no significant associations between any SNPs and BMI or complications.
rs12970134, near MC4R, is strongly associated with HbA1c in this cohort. Further exploration of this genomic region is warranted, as it may hold promise for discovering new therapeutic targets to improve glycemic control in T1D.
rs12970134, near MC4R, is strongly associated with HbA1c in this cohort. Further exploration of this genomic region is warranted, as it may hold promise for discovering new therapeutic targets to improve glycemic control in T1D.
Whether or not renal structural changes, especially arteriolar hyalinosis, are related to the rate of renal functional decline and increase in urinary albumin excretion (UAE) at the early stage of diabetic nephropathy in patients with type 2 diabetes is still unknown. Our previous study determined that arteriolar hyalinosis is an independent risk factor for low GFR. We sought to determine whether arteriolar hyalinosis is also a risk factor for rapidly progressive decline in GFR.
We evaluated 22 type 2 diabetic patients with normo- or microalbuminuria who took part in the previous study, to clarify which renal histological factors were associated with changes in UAE and the glomerular filtration rate (GFR) during 11.0 ± 3.0 years of follow-up. Light and electron microscopy-based morphometric analyses were performed to quantitatively evaluate the glomerular and interstitial structural changes.
In all 22 patients, the GFR was significantly decreased from baseline to follow-up, while the UAE did not change markedly between the 2 periods.
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