Outcomes of Mechanical Thrombectomy for Acute Ischemic Stroke in Cancer Patients: A Single-Center Experience and Meta-Analysis.
Neurology. Clinical practice(2024)
摘要
Background and Objectives:The published data about mechanical thrombectomy (MT) in cancer patients is sparse. We present our institutional experience in this clinical scenario, and a meta-analysis.
Methods:The baseline data, procedural data, clinical and radiological outcomes of MT were analyzed and compared among three groups of stroke patients: controls, patients with active malignancy (AM), and patients with history of malignancy (HOM). A meta-analysis of 12 studies was conducted to address the differences between controls and AM patients regarding selected outcomes.
Results:The 3 groups (controls, AM, HOM) showed significant differences regarding previous history of stroke or TIA (7.8% vs 10.5% vs 38.5%, p = 0.006), alcohol consumption (0.9% vs 10.5% vs 0.0%, p = 0.04), thrombophilia (1.7% vs 15.8% vs 7.7%, p = 0.009), deep venous thrombosis (0.4 vs 26.3% vs 7.7%, p = 0.005). The AM group had significantly higher rates of sICH (3.5% [controls] vs 21.1% [AM] vs 0.0% [HOM], p = 0.007), and mortality at 3 months (27.5% [controls] vs 61.5% [AM] vs 40.0% [HOM] vs, p = 0.032). The control and HOM groups had significantly better functional independence at 3 months (52.1% [controls] vs 15.4% [AM] vs 60.0% [HOM], p = 0.032).In the meta-analysis, the AM arm showed significantly higher mortality during hospitalization (n = 6, OR 95% CI = 3.03 [1.62, 5.64]), and at 3 months (n = 10, OR 95% CI = 4.33 [2.80, 6.68]), and significantly lower rates of 3 months functional independence (mRS = 0-2) (n = 10, OR 95% CI = 0.47 [0.32, 0.70]). No significant difference was found in sICH rates (n = 6, pooled OR 95% CI = 2.03 [0.83, 4.95]).
Discussion:Endovascular MT is technically successful and reasonably safe in treating AIS from LVO in active malignancy patients. However, the causes and implications of sICH require further investigation. Despite technical success, these patients experience poor clinical outcomes, and the long-term benefits of MT remain uncertain.
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