Higher number of stent-retriever thrombectomy passes significantly increases risk of mass effect, poor functional outcome, and mortality.
Victor M RingheanuWondwossen G TekleLaurie PrestonAmrou SarrajAmeer E HassanPublished in: Interventional neuroradiology : journal of peritherapeutic neuroradiology, surgical procedures and related neurosciences (2022)
A higher number of thrombectomy passes, characterized as ≥3 in this study, was associated with significantly worsened patient outcome regarding mRS and mortality. Further research is required to determine whether the number of thrombectomy passes is an accurate predictor of treatment outcome.