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Overweight/obese patients with elevated fasting blood glucose generally present with higher degrees of insulin resistance, inflammation, adverse cardiovascular disease risk profile.
New findings presented at the American Diabetes Association’s (ADA) 81st Scientific Sessions suggest an association between fasting blood glucose and cardiovascular disease in minority populations.
“Youth of minority race-ethnicity have higher prevalence of obesity and are at increase in risk for comorbidities,” the investigators wrote.
Further, they noted, while obesity prevalence has generally decreased from 2011-2018 in non-Hispanic White populations, obesity saw a marked increased in Hispanic and Non-Hispanic blacks in that same time frame.
Fasting blood glucose levels have been seen as a diagnostic measurement for diabetes as well as predictive of diabetes development.
“Elevated fasting blood glucose within the normal range has been related to a decline in beta cell function,” they indicated.
Therefore, the team, led by Reem Shawar, MD, Baylor of College of Medicine, sought to clarify this relationship in a cohort of Hispanic pediatric patients who were overweight or obese.
Shawar and colleagues enrolled 372 pubertal, nondiabetic adolescents with a mean age of 13.9 years. Of the population, 28% were considered overweight and 72% were obese.
They then collected measurements on anthropometrics; blood pressure; body composition; fasting glucose; insulin, CRP, ALT, AST, triglycerides (TG); and total LDL and HDL-cholesterol.
They calculated the homeostasis model assessment of insulin resistance (HOMA-IR) and triglycerides to HDL ratio, and compared subjects across tertiles of fasting blood glucose, which were divided as blood glucose <90 mg/dL, 90-96 mg/dL, and >96 mg/dL.
“The three 3 fasting blood tertiles didn’t differ with respect to age, Tanner stage, percent body fat, truncal fat, or liver transaminases,” the investigators reported.
However, mean BMI z-score increased from 1.9, to 2, to 2.1 at each subsequent tertile (P<.001).
Further, they observed that HOMA-IR, measures of insulin resistance , inflammation, dylispidemia (total cholesterol, triglycerides), and (systolic and diastolic) blood pressure increased across each ascending tertile.
“Elevated fasting blood glucose in the nondiabetic range is associated with greater degree of insulin resistance, inflammation and adverse cardiovascular disease risk profile, independent of total body or truncal fat or evidence of fatty liver disease,” the team concluded.
“Our findings suggest that elevated fasting blood glucose may identify Hispanic youth with overweight and obesity who are at high risk for cardiovascular disease before progression to diabetes mellitus.”
They noted a need to develop similar studies for other race-ethnicity groups. Further studies aimed at uncovering a high cardiovascular risk range for fasting blood glucose would be warranted.
Recent data published this year emphasized the promise of liraglutide for patients with obesity and high cardiovascular risk.
A randomized clinical trial demonstrated the effects of the glucagon-like peptide 1 receptor agonist on weight reduction and cardiovascular events compared to placebo.
The investigators also observed significant reductions in liver by 33% as well as reductions in inflammation and fasting glucose level.
Lead investigator, Ian Neeland, MD, University Hospitals Cleveland Medical Center, discussed the implications of these findings in a recent interview with HCPLive®.
Trials such as this one only underscore how intertwined obesity, diabetic, and cardiovascular populations are in relation to cardiometabolic biomarkers and outcomes.
The study, “Fasting Blood Glucose (FBG) and Cardiovascular Disease (CVD) Risk in Hispanic Youth with Obesity,” was presented online at ADA 2021.