haematology
Coagulation

Perfusion imaging doubles alteplase treatment window

The window of opportunity for treating stroke with thrombolysis can be doubled from 4.5 hours to 9 hours from symptom onset or awakening with stroke. The EXTEND trial, led by Australian researchers and published in the New England Journal of Medicine, randomised 225 patients with acute ischaemic stroke to either alteplase or placebo at a time ...

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