RT Journal Article SR Electronic T1 Mechanical Thrombectomy for Treatment of Cerebral Venous Sinus Thrombosis in Vaccine-Induced Immune Thrombotic Thrombocytopenia JF American Journal of Neuroradiology JO Am. J. Neuroradiol. FD American Society of Neuroradiology SP 98 OP 101 DO 10.3174/ajnr.A7381 VO 43 IS 1 A1 H.S. Chew A1 S. Al-Ali A1 B. Butler A1 D. Rajapakse A1 K. Nader A1 S. Chavda A1 S. Lamin YR 2022 UL http://www.ajnr.org/content/43/1/98.abstract AB SUMMARY: Reports of a rare form of cerebral venous sinus thrombosis with profound thrombocytopenia have emerged following introduction of the adenovirus-vectored coronavirus disease 2019 (COVID-19) vaccines. Between March and June 2021, seven cases of refractory vaccine-induced immune thrombotic thrombocytopenia were referred to our institution for mechanical thrombectomy. The condition of 1 patient deteriorated during interhospital transfer, and the remaining 6 underwent successful recanalization. No procedure-related adverse events were reported. At the time of this writing, 3 patients have been discharged with a good functional outcome (mRS 0–1), one required rehabilitation for mild dysarthria and vocal cord palsy (mRS 3), and 2 have died due to severe mass effect. Our anecdotal experience suggests that endovascular therapy may be safe and effective in reducing thrombus burden in selected cases of postvaccination cerebral venous sinus thrombosis.COVID-19coronavirus disease 2019CVSTcerebral venous sinus thrombosisHITheparin-induced thrombocytopeniaICHintracerebral hemorrhagePFplatelet factorVITTvaccine-induced immune thrombotic thrombocytopenia