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A 36-year-old member asked:

What % of ischemic mca stroke patients benefit from tpa (alteplase)?

1 doctor answer3 doctors weighed in
Dr. Anthony Filly
Radiology 26 years experience
Depends: This is a complex question. It depends on what percent of is already showing signs of infarction (dead brain) rather than just ischemia (brain at risk).... When we see > 1/3 of territory abnormal on initial ct scan, it is a contraindication for tpa (alteplase). It also depends on how long the symptoms have been occurring. But to answer your question, theoretically all could potentially benefit.

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Last updated Apr 20, 2016

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