Eight professional societies including SCAI have signed on to quality standards for catheter-based stroke revascularization published in the Journal of Vascular and Interventional Radiology. The standards call for intra-arterial treatment within two hours of hospitalization in cases where IV thrombosis will not work, a time frame the authors said is ambitious but achievable, given improvements in door-to-balloon times seen in heart patients. They also acknowledged treatment of sicker patients may make it more difficult for clinicians to meet the threshold.

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