Q: My platelets were slightly elevated on my blood test. What can cause this? A: Platelets are part of how our body forms clots to stop bleeding. They are produced in the bone marrow by cells called ...

In patients with coronary artery disease (CAD), a high blood level of immature platelets is associated with elevated risk of future adverse events, according to findings that will be published in the ...

Dear Dr. Roach: No one seems to be able to find why my platelet count has fallen to 50. Two years ago, my count went from 164 to 142, then to 124. I saw a hematologist, but he couldn’t find out why.

Thrombocytopenia occurs when there aren’t enough platelets, which are tiny blood cells that help with clotting. In some cases, thrombocytopenia is the first sign of acute HIV infection. Severe ...

While thrombocytopenia and bleeding are events that often occur together in neonates, this may not signify cause and effect. In fact, one study reported that 91% of neonates with low platelet counts ...

This Journal feature begins with a case vignette highlighting a common clinical problem. Evidence supporting various strategies is then presented, followed by a review of formal guidelines, when they ...

In acquired thrombotic thrombocytopenic purpura (TTP), an immune-mediated deficiency of the von Willebrand factor–cleaving protease ADAMTS13 allows unrestrained adhesion of von Willebrand factor ...