Brain stroke In more detail, the issues of the clinical presentation, diagnosis and non-surgical treatment of this pathology are covered in volume 1, chapter 10. , or acute cerebrovascular accident, leading to the appearance of persistent neurological symptoms, occurs with a frequency of 400−500 cases per 100,000 people per year; thus, this is one of the main causes of death. The mortality rate in stroke is approximately 25%, about 20% of stroke survivors die within a year, and about 25% of patients remain severely disabled.
There are ischemic and hemorrhagic strokes. Most strokes (80−85%) are ischemic.