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Objectives:   Mechanical thrombectomy (MT) is an effective treatment for acute ischemic stroke (AIS) caused by large vessel occlusion. Recanalization time is a key factor in the treatment of AIS. It has previously been suggested that intravenous thrombolysis (IVT) may be associated with a shorter recanalization time. The aim of our study was to investigate whether IVT or other factors could be associated with shorter or longer MT procedure times.   Methods:   We performed a retrospective analysis of a local cohort of patients treated by MT. We collected procedure time (puncture to recanalization and clot visualization to recanalization), demographic data, localization of the thrombus, antithrombotic treatment at arrival, IVT infusion, and stroke subtype at discharge according to the TOAST classification. We planned to analyze the full cohort and the successful revascularization subgroup.   Results:   There was no difference in procedure times between patients who received IVT and those who did not. In the successful revascularization subgroup, patients presenting with cardioembolic stroke had a significantly shorter time between clot visualizations and revascularization than the other patients (41 vs. 56 min,  p  = 0.024), but this was not the case in the full cohort. Also in the successful revascularization subgroup, the revascularization time was 76 vs. 61 min ( p  = 0.075) in patients presenting with tandem occlusion vs. the others, but there was no difference between these groups in the full cohort.   Conclusions:   There was no difference in terms of procedure times in patients treated by IVT and MT vs. patients treated by MT alone either in the full cohort or in the successful revascularization subgroup. The data from the successful revascularization subgroup may be useful for studying revascularization times, provided that data from procedures that were stopped prematurely by the operator due to the length of time since symptom onset is removed.

cerebrovascular diseases extra

Does Intravenous Thrombolysis Influence the Time of Recanalization and Success of Mechanical Thrombectomy during the Acute Phase of Cerebral Infarction?