Glycosylated Haemoglobin (HbA1c) - A Marker of Circulating Lipids in Type 2 Diabetic Patients
Prabhavathi K1, Kirthana Kunikullaya U2, Jaisri Goturu3
1Assistant Professor, Department of Physiology, SRM Medical College, Hospital and Research centre , Kattankulathur, Chennai, Tamil Nadu, India .
Insights
Glycosylated hemoglobin (HbA1c) can predict lipid levels in Type 2 diabetes patients. This finding helps identify individuals at high risk for cardiovascular disease, enabling early intervention for better health outcomes.
Area of Science:
- Endocrinology
- Clinical Biochemistry
- Cardiovascular Medicine
Background:
- Type 2 diabetes and dyslipidemia significantly increase cardiovascular disease (CVD) risk.
- Early lipid normalization is crucial for reducing CVD morbidity and mortality.
- Glycosylated hemoglobin (HbA1c) is a standard indicator of long-term glycemic control.
Purpose of the Study:
- To evaluate if HbA1c can serve as a predictive marker for circulating lipid levels in Type 2 diabetic patients.
- To explore the correlation between glycemic control and lipid profiles in this population.
Main Methods:
- Analysis of sera from 130 Type 2 diabetic patients for fasting blood sugar (FBS), HbA1c, and lipid profiles (TC, TG, HDL, LDL).
- Patients were stratified into three glycemic control groups based on HbA1c levels (<6%, 6-9%, >9%).
- Statistical analysis included one-way ANOVA and post-hoc Dunnett's tests.
Main Results:
- HbA1c levels were significantly higher in females than males.
- No significant differences in HbA1c, FBS, or lipid profiles were observed between older and younger patients.
- HbA1c demonstrated direct and significant correlations with total cholesterol, triglycerides, and LDL cholesterol.
- Univariate analysis confirmed HbA1c as a reliable predictor of circulating lipid levels.
Conclusions:
- HbA1c is a valuable marker for assessing lipid profiles in Type 2 diabetic patients.
- Utilizing HbA1c can aid in screening diabetic individuals at elevated risk for cardiovascular diseases.
- This approach supports timely interventions to mitigate cardiovascular complications.
Background:
Diabetic patients with concomitant dyslipidemia are often soft targets for cardiovascular disease and deaths. An early intervention to normalize circulating lipids has been shown to reduce cardiovascular morbidity and mortality. Glycosylated hemoglobin (HbA1c) is routinely used as a marker to indicate long-term glycemic control.
Aim:
Our aim was to test whether HbA1c can serve as a marker of circulating lipids among Type 2 diabetic patients.
Methods:
The sera of 130 Type 2 diabetic patients was analyzed for fasting blood sugar (FBS), HbA1c and lipid profile consisting of total cholesterol (TC), triglycerides (TG), High-density Lipoprotein (HDL) cholesterol and LDL cholesterol. We divided the subjects based on their glycemic index into three groups; HbA1c< 6% as good, HbA1c>6% - <9% as poor and HbA1c>9% as worst glycemic control. One-way analysis of variance (ANOVA) and post-hoc Dunnett's multiple comparison tests was used to examine the significance levels for various biochemical parameters in age-categorized groups.
Results:
The mean ± SD levels of HbA1c was significantly higher in females (8.598 ± 2.284 %) compared to males (7.323±2.18 %). Older patients had HbA1c, FBS and lipid profile levels similar to younger ones. HbA1c showed direct and significant correlations with cholesterol, TG and LDL. Univariate analysis showed that HbA1c was a good predictor of circulating lipid levels.
Conclusion:
The study indicates the usefulness of HbA1c as a marker for lipid profile for screening of diabetic patients at high risk of developing cardiovascular diseases.
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