Cholesterol & Lipid Disorders in Singapore

Cholesterol and lipid disorders occur when levels of fats (lipids) in the bloodstream become imbalanced. These fats include cholesterol and triglycerides, which circulate in the blood as lipoproteins. When levels are too high or low, they can contribute to the development of cardiovascular disease and other metabolic complications.

Dr Ben Ng

Senior Consultant Endocrinologist

Dr Donovan Tay

Senior Consultant Endocrinologist

Symptoms of Cholesterol & Lipid Disorders

Many individuals with cholesterol or lipid imbalances do not experience symptoms until complications arise. However, certain physical signs may indicate an underlying disorder.

Xanthomas

Yellowish, fatty deposits that form under the skin, often around the eyes, elbows, or knees. These may suggest inherited conditions such as familial hypercholesterolaemia.

Corneal Arcus

A greyish-white ring around the cornea. When observed in individuals younger than 45, it may indicate a lipid metabolism disorder.

Arterial Changes

Cholesterol build-up can lead to the narrowing of arteries, which may present as chest pain (angina), pain in the legs during movement (claudication), or neurological symptoms such as weakness or numbness.

Causes and Risk Factors

Cholesterol and lipid imbalances result from genetic, lifestyle, and medical factors that affect lipid processing and regulation.

Genetic Factors

Inherited conditions influence how the body processes cholesterol, sometimes leading to elevated levels from a young age. These disorders require tailored management.
Dietary Intake

Regular consumption of foods high in saturated fats and trans fats can elevate cholesterol. Processed foods, red meat, and full-fat dairy products are common contributors.
Physical Inactivity

A sedentary lifestyle affects lipid metabolism, often lowering HDL (good cholesterol) and contributing to imbalances.
Underlying Medical Conditions

Diabetes, hypothyroidism, and kidney disease can interfere with lipid regulation, increasing cholesterol levels.
Age and Hormonal Changes

Cholesterol levels tend to rise with age. Hormonal fluctuations, such as those occurring after menopause, may contribute to increased LDL cholesterol levels.

Diagnostic Methods

Lipid Panel

A blood test measuring total cholesterol, LDL, HDL, and triglycerides. Fasting for 9-12 hours before the test ensures accurate results. Monitoring these levels over time helps guide treatment.

Physical Examination

Signs such as xanthomas or corneal arcus may indicate inherited conditions. Identifying these features aids in diagnosis and risk assessment.

Family History Assessment

A review of cardiovascular disease or lipid disorders in close relatives helps determine the likelihood of inherited conditions.

Additional Testing

Blood tests assessing glucose levels, thyroid function, and liver enzymes help identify secondary causes of lipid imbalances.

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Treatment Approaches

Cholesterol and lipid management involves addressing underlying metabolic factors, reducing cardiovascular risk, and preventing complications.

Lifestyle Modifications

Dietary adjustments and regular physical activity help regulate lipid metabolism. Reducing saturated fat intake, increasing fibre, and maintaining a healthy weight support long-term lipid control. A structured plan may include medical nutrition therapy and metabolic monitoring.

Medications

Statins are commonly prescribed to lower cholesterol production in the liver. Other options include bile acid sequestrants to reduce cholesterol absorption, fibrates to lower triglycerides, and PCSK9 inhibitors for genetic lipid disorders. Medication choice depends on overall metabolic health, cardiovascular risk, and treatment response.

Management of Underlying Conditions

Addressing factors such as insulin resistance, diabetes, hypothyroidism, or metabolic syndrome can improve lipid profiles. Hormonal and metabolic assessments help optimise treatment.

Prevention and Long-Term Management

Sustaining cholesterol and lipid balance involves ongoing monitoring and lifestyle adaptation. Regular check-ups allow for adjustments in treatment, and adherence to prescribed therapies helps maintain control over lipid levels. Dietary choices, physical activity, and weight management contribute to long-term stability.

Frequently Asked Questions

How often should cholesterol levels be checked?

Routine screening is recommended every 4-6 years for adults with no known risk factors. Those with existing lipid disorders or cardiovascular risks may need annual testing or more frequent monitoring as advised.

If my cholesterol is high, will I need medication for life?

Not necessarily. Some individuals can control cholesterol through lifestyle changes alone. However, those with genetic conditions or high cardiovascular risk may require long-term medication.

How does diabetes affect cholesterol levels?

Diabetes is often associated with high triglycerides, low HDL cholesterol, and small, dense LDL particles, which increase cardiovascular risk. Managing blood sugar helps improve lipid levels.

Dr Ben Ng

Senior Consultant Endocrinologist

As a senior consultant endocrinologist with over 20 years of clinical experience, Dr Ben Ng provides comprehensive care for patients managing various endocrine conditions. His expertise includes the diagnosis and treatment of diabetes, thyroid disorders, obesity, and a range of other metabolic and endocrine conditions.

Dr Ben Ng Jen Min graduated from the Queens University of Belfast Northern Ireland, United Kingdom (UK).
He completed his postgraduate training with the certificate of completion of training (CCT) from the Royal College of Physicians (UK) with dual accreditation in diabetes and endocrinology and in general internal medicine.
In 2010, he was awarded an MD with honours by the University of Hull, UK, in recognition for his research in diabetes mellitus

Dr Donovan Tay

Senior Consultant Endocrinologist

As a senior consultant endocrinologist with over 20 years of clinical experience, Dr. Donovan Tay provides comprehensive care for patients managing various endocrine conditions. His expertise includes the diagnosis and treatment of diabetes, thyroid disorders, osteoporosis, and a range of other metabolic and endocrine conditions.

Dr. Donovan Tay graduated from the National University of Singapore (NUS) and obtained his membership in the Royal College of Physicians (UK), Master of Medicine (NUS), and Master of Clinical Investigation (NUS).
After completing training in endocrinology, he was conferred as a Fellow of the Academy of Medicine, Singapore (FAMS).
He further specialised in endocrinology with a fellowship at the prestigious Columbia University Medical Centre in New York City.

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