Ultra-rapid treatment reduces odds of post-stroke disability

Even the Harvard Medical School blog doesn't tell you that tPA doesn't solve all neuronal problems.
Disappointing, they're supposed to be smarter than anyone else.
http://www.health.harvard.edu/blog/ultra-rapid-treatment-reduces-odds-of-post-stroke-disability-201308236636
This picture from the link doesn't even show the Circle of Willis.
 















A picture of the Circle of Willis;