The Natural History of Cerebrovascular Disease

carotid or middle cerebral artery or its branches and found that 22 of the patients had died within two years. Kincaid-Smith, McMichael. and Murphy (1958) observed 79 pat ents with malignante hypertension in whom there was evidence of neurological involvement. There were. 65 patients in whom the cau3e of death was ascertained, and in 33 of these it was due to a neurological cause.: However, patients who survived a neurological incident, were no more liable to die of a further incident than'