MedPage Today, the online medical journal of the University of Pennsylvania School of Medicine, announced that the FDA has ” cleared a blood test ” to screen for heart disease known as Lp-PLA2 or lipoprotein associated phospholipase A2. This test is an individual marker of vascular inflammation produced within atherosclerotic plaques. Its use was cleared for screening in all adults with no history of coronary artery disease.
In a National Institute of Health study, known as Reasons for Geographic and Racial Differences in Stroke, it was shown in a review of 4,598 people, aged 45 – 92, that individuals above the threshold level for Lp-PLA2 were more than twice as likely as others to have an event, heart attack or stroke, 7% versus 3.3 %. The study was particularly helpful when looking at black women as a group. An Lp-PLA2 level > 225nmol/min/mL is considered elevated.
This test has been available to patients in our practice through the Cleveland Heart Labs screening panel. It plus the myeloperoxidase level, CRP and other markers have been felt by the Cleveland Clinic cardiology division to have predictive value. These tests are currently available but in many cases require private pay because Medicare and private insurers do not yet cover them all.
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