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Glenn Nichols, surrounded by his hospice team. The author is in yellow.

Genetic Linkage

African Ancestry and Dangerous Blood Clots

June 29, 2016

Tags: deep vein thrombosis, pulmonary embolism, race-based prescribing

Inappropriate blood clotting can be a killer. Each year in the US, 300,000 to 900,000 people suffer a venous thromboembolism (VTE), which includes deep vein thrombosis (DVT) and pulmonary embolism (PE). African Americans have a 30–60% higher incidence of either or both than people of European ancestry.

The risk factors that come up on the usual health websites for VTE tend to be the environmental ones that apply to everyone. But mention of genetic factors tend to be those found primarily among people of European ancestry – even though African Americans are at higher risk. (more…)

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