Is an LDL cholesterol level of 4.61 mmol/L severely elevated?

LDL cholesterol at 4.61 mmol/L is above the normal range (2.07–3.37 mmol/L). Whether this elevation is clinically significant depends on whether other cardiovascular risk factors are present. Specific recommendations are as follows:

First, if the patient also has hypertension or diabetes, or if atherosclerotic plaques or stenosis have already developed in the carotid or lower-limb arteries, prompt medical evaluation is essential. Under physician guidance, lipid-lowering medications—such as rosuvastatin, simvastatin, or fenofibrate—may be prescribed. Concurrently, dietary modifications and exercise therapy should be implemented to reduce lipid levels.

Second, if elevated LDL cholesterol occurs in isolation (i.e., without other risk factors), lifestyle interventions are the primary approach: adopt a low-sodium, low-fat diet; avoid fried and grilled foods; maintain regular sleep patterns; quit smoking and alcohol consumption; and engage consistently in physical activity—such as jogging, table tennis, or badminton—to achieve and sustain a healthy body weight.

Elevated LDL cholesterol promotes atherosclerosis and increases the risk of cardiovascular and cerebrovascular diseases. Therefore, a comprehensive health examination—including blood pressure and blood glucose measurements, as well as carotid and lower-limb arterial ultrasound—is recommended to assess overall cardiovascular risk.