Abstract
BackgroundLarge vessel occlusions (LVO) stroke is associated with cancer. Whether this association differs among patients with LVO that undergo endovascular thrombectomy (EVT) according to cancer type remains unknown. Patients and methodsData from consecutive patients that underwent EVT for LVO at three academic centers were pulled and analyzed retrospectively. Patients with LVO and solid tumors were compared to those with hematological tumors. Associations of cancer type with 90-day functional outcome and mortality were calculated in multivariable analyses. ResultsOf the 154 patients with cancer and LVO that underwent EVT (mean age 74±11, 43% men, median NIHSS 15), 137 had solid tumors (89%) and 17 (11%) had hematologic tumors. Patients with solid cancer did not significantly differ from those with hematological malignancy in demographics, risk factor profile, stroke severity and subtype, and procedural variables. Outcome parameters including rates of favorable target recanalization and favorable outcome or mortality at discharge and 90 days post stroke were similar. Safety parameters including rates of symptomatic intracranial hemorrhage also did not differ between the groups. On regression analyses, controlling for various prognostic variables cancer type was not associated with mortality or favorable outcomes. ConclusionsOur study suggests that the safety and efficacy of EVT in patients with malignancy does not depend on cancer type. Patients with malignancy should be considered for EVT regardless of cancer type.
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