This is a prospective, longitudinal cohort study of spontaneous ICH. Subjects were recruited from among consecutive patients ≥ 55 years old who presented with primary hemorrhage to the Massachusetts General Hospital or one of our off-site collaborators from 1999 to 2010. Potential subjects ...
Intracranial aneurysms (IAs) are benign cerebrovascular maladies characterized by pathological dilatation in the walls of intracranial arteries. However, spontaneous subarachnoid hemorrhage (SAH) resulting from aneurysm rupture poses a grave threat to the patient's life. Accumulating evidence imp...