Predicting Clinical Outcomes After Thrombolysis Using the iScore

Therapies Friday, July 26th, 2013

STROKEAHA: July 25, 2013

Background and Purpose—The ischemic stroke risk score (iScore) is a validated tool developed to estimate the risk of death and functional outcomes early after an acute ischemic stroke. Our goal was to determine the ability of the iScore to estimate clinical outcomes after intravenous thrombolysis tissue-type plasminogen activator (tPA) in the Virtual International Stroke Trials Archive (VISTA).

Methods—We applied the iScore (www.sorcan.ca/iscore) to patients with an acute ischemic stroke within the VISTA collaboration to examine the effect of tPA. We explored the association between the iScore (<200 and ≥200) and the primary outcome of favorable outcome at 3 months defined as a modified Rankin scale score of 0 to 2. Secondary outcomes included death at 3 months, catastrophic outcomes (modified Rankin scale, 4–6), and Barthel index >90 at 3 months. Read More

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