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High prevalence of dyslipidaemia despite adequate glycaemic control in patients with diabetes
Insights
Patients with newly diagnosed diabetes often have high cholesterol and triglycerides, increasing heart disease risk. Despite good blood sugar control, lipid levels did not improve over one year, necessitating early drug treatment.
Area of Science:
- Endocrinology
- Cardiology
- Metabolic Disorders
Background:
- Diabetes mellitus is frequently associated with dyslipidemia, a significant risk factor for coronary heart disease (CHD).
- Understanding the lipid profile and glycemic control in newly diagnosed diabetes patients is crucial for cardiovascular risk management.
Purpose of the Study:
- To assess the prevalence of dyslipidemia in newly diagnosed diabetes patients.
- To evaluate changes in lipid parameters and glycated hemoglobin over a 1-year follow-up period.
- To determine the need for lipid-lowering treatment in this cohort.
Main Methods:
- Prospective follow-up of 47 newly diagnosed diabetes patients for 1 year.
- Measurement of lipid parameters (total cholesterol, LDL, HDL, triglycerides) and glycated hemoglobin at diagnosis and every 6 months.
- Assessment of dyslipidemia prevalence and patterns, including hypercholesterolemia, mixed hyperlipidemia, and hypertriglyceridemia.
Main Results:
- At diagnosis, 34%–64% of patients exhibited lipid parameters exceeding CHD risk levels.
- Hypercholesterolemia was the most common pattern (43%), followed by mixed hyperlipidemia (17%) and hypertriglyceridemia (17%).
- No significant improvement in lipid profiles was observed over 1 year, even with good glycemic control in both insulin-dependent diabetes mellitus (IDDM) and non-insulin-dependent diabetes mellitus (NIDDM) patients.
- 51% of patients required lipid-lowering treatment due to persistent dyslipidemia despite non-pharmacological interventions.
Conclusions:
- Newly diagnosed diabetes patients frequently present with significant dyslipidemia, posing a high cardiovascular risk.
- Standard glycemic control and non-pharmacological measures are insufficient to correct dyslipidemia in many diabetic patients.
- An proactive approach involving early detection and pharmacological intervention for dyslipidemia is essential in managing patients with diabetes mellitus.
Abstract:
Forty-seven patients with newly diagnosed diabetes were followed up for 1 year with lipid parameters (total cholesterol, low-density lipoprotein [LDL] cholesterol, high-density lipoprotein [HDL] cholesterol and triglycerides) and glycated haemoglobin measured at diagnosis and 6-monthly intervals. The prevalence of these lipid parameters exceeding the risk level for coronary heart disease at diagnosis ranged from 34% to 64%, the commonest dyslipidaemic pattern being hypercholesterolaemia (43%), followed by mixed hyperlipidaemia (17%) and hypertriglyceridaemia (17%). There was no improvement in the lipids profile over a 1-year period despite achieving good glycaemic control in both the insulin-dependent diabetes mellitus (IDDM) and non-insulin-dependent diabetes mellitus (NIDDM) patients. Twenty-four (51%) patients will need lipid lowering treatment because of persistent dyslipidaemia despite adequate non-pharmacologic measures. We suggest that an active strategy of early detection and drug treatment for dyslipidaemia is needed for patients with diabetes mellitus.