After a Stroke: The First Days to Weeks

One line in this article is appalling.
https://www.caring.com/articles/first-days-after-stroke?utm_content=20150430&

What to expect after a stroke

Even though the person you're caring for is out of the ER, serious complications may still arise. An estimated one out of five stroke patients dies during his hospital stay.
The patient's treatment team has two main goals: To prevent another stroke from occurring and to minimize and respond to any complications.
With this focus they are completely ignoring the death of millions of neurons during the neuronal cascade of death.