Comparison of Boston Criteria v2.0/v1.5 for Cerebral Amyloid Angiopathy to Predict Recurrent Intracerebral Hemorrhage.

Our findings suggest a wide spectrum of ICH recurrence risk in patients with probable CAA. Patients with ICH diagnosed with CAA based only on the nonhemorrhagic white matter markers introduced in the Boston v2.0 criteria had a much lower risk of recurrence than those diagnosed with the previous Boston criteria v1.5, comparable to that of patients with ICH not fulfilling any probable CAA criteria.