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The apolipoprotein A-1 (apo A-1) blood test is used to evaluate survival rate or risk factors for individuals with past heart attacks and peripheral vascular diseases. Apo A-1 recycles cholesterol from the tissues back to the liver for further processing. It keeps the arteries clear of plaque-forming cholesterol.
Exciting new research indicates that the ratio of apolipoprotein B:apolipoprotein A-1 may correlate better with increased risk of coronary artery disease (CAD) than total cholesterol, and LDL:HDL ratio.1
Studies also show that a lower apolipoprotein B:apolipoprotein A-1 ratio is cardioprotective, whereas a high ratio indicates increased risk for heart disease.2
A 12 to 14 hour fast is required for this blood test. However, drink plenty of water and take your medications as prescribed.
The laboratory services are for informational purposes only. It is not the intention of National Diagnostics, Inc and Life Extension to provide specific medical advice but rather to provide users with information to better understand their health. Specific medical advice including diagnosis and treatment will not be provided. Always seek the advice of a trained health professional for medical advice, diagnosis or treatment.
Both the physician and the testing laboratory are independent contractors with whom National Diagnostics, Inc makes arrangements for your blood tests. Neither National Diagnostics, Inc or Life Extension will be liable for any acts or omissions of the physician, the testing laboratory, or their agents or employees.