García-Tornel A, Requena M, Rubiera M, Muchada M, Pagola J, Rodriguez-Luna D, et al. When to Stop: Detrimental Effect of Device Passes in Acute Ischemic Stroke Secondary to Large Vessel Occlusion. Stroke. 2019;50:1781–1788
The achievement of mTICI 3 after one pass, known as first pass effect, is clearly associated with better functional outcome, as compared with those patients with more passes needed to obtain full recanalization. But how many passes should we attempt before stop procedure? Or maybe we should pursue a good (TICI 2B) but not perfect recanalization, instead of seeking TICI 3, because such recanalization is more than enough for patient outcome?
These are some of the aims of this study, in addition to finding the relation between number of passes and recanalization degree and clinical outcome.