Stroke and myocardial infarction in hereditary thrombotic thrombocytopenic purpura: similarities to sickle cell anemia

Key Points Stroke is common in hereditary thrombotic thrombocytopenic purpura (TTP) patients, occurring in 25% to 31% of patients. In hereditary TTP patients, the age of occurrence of first stroke (median, 19 years) is similar to that for sickle cell anemia patients.