Lipoprotein(a) is a type of lipoprotein, which is a particle made of protein and fats that carries cholesterol through the bloodstream to the cells. It is a low-density lipoprotein (LDL) variant containing a protein called apolipoprotein(a). Genetic and epidemiological studies have identified lipoprotein(a) as a risk factor for atherosclerosis and related diseases, such as coronary heart disease and stroke
. High levels of lipoprotein(a) may indicate an increased risk for heart disease and stroke
. It is considered an independent risk factor for the development of atherosclerosis, and research is ongoing to understand its impact on health and when the test should be used
