World neurosurgery · 2017
Effect of Baseline Characteristics on the Outcome of Stent Retriever-Based Thrombectomy in Acute Basilar Artery Occlusions: A Single-Center Experience and Pooled Data Analysis.
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Wen Wan-Ling, Li Zi-Fu, Zhang Yong-Wei, Yang Peng-Fei, Simfukwe Keith, Fang Yi-Bin, Zhang Tian-Yi, Deng Ben-Qiang, Hong Bo, Liu Jian-Min, Huang Qing-Hai
Аннотация
OBJECTIVES: To explore the association of baseline characteristics and the outcome of patients with acute basilar artery occlusion (BAO) after stent retriever-based thrombectomy (SRT).
METHODS: Clinical and imaging information of consecutive SRT-treated patients with BAO from a comprehensive stroke center and up-to-date literature were reviewed respectively. The impact of baseline variables toward favorable outcome was evaluated using subgroup analysis and odds ratio (OR) extracted from published data together with single-center records using pooled analysis.
RESULTS: Nineteen cases from our center and 15 published studies involving 487 cases were included. Estimated pooled favorable outcome rate was 0.3746 (95% confidence interval [CI], 0.3165-0.4327), mortality was 0.2950 (95% CI, 0.2390-0.3510). Pooled estimates showed that successful reperfusion (modified thrombolysis in cerebral ischemia scale 2b or 3) gained by SRT alone was 0.7317 (95% CI, 0.6532-0.8102) and final successful reperfusion rate with or without additional reperfusion procedures was 0.8834 (95% CI, 0.8279-0.9390). Univariate analysis indicated that patients with successful reperfusion (OR, 2.05; P = 0.05), distal segment occlusion (OR, 2.03; P = 0.03), and cardioembolus origin (OR, 2.13; P = 0.01) were more likely to have favorable outcome (modified Rankin Scale score ≤2 at 3 months). Study series that applied intra-arterial thrombolysis, angioplasty, or stenting as rescuing therapy had higher successful reperfusion rate but they did not show a higher rate of favorable outcome.
CONCLUSIONS: SRT with or without additional treatment appeared to be effective for the treatment of BAO. Successful reperfusion, distal segment occlusion, and cardiac embolism were associated with favorable outcome. The overall benefit of lesions requiring additional reperfusion therapy was unclear.
METHODS: Clinical and imaging information of consecutive SRT-treated patients with BAO from a comprehensive stroke center and up-to-date literature were reviewed respectively. The impact of baseline variables toward favorable outcome was evaluated using subgroup analysis and odds ratio (OR) extracted from published data together with single-center records using pooled analysis.
RESULTS: Nineteen cases from our center and 15 published studies involving 487 cases were included. Estimated pooled favorable outcome rate was 0.3746 (95% confidence interval [CI], 0.3165-0.4327), mortality was 0.2950 (95% CI, 0.2390-0.3510). Pooled estimates showed that successful reperfusion (modified thrombolysis in cerebral ischemia scale 2b or 3) gained by SRT alone was 0.7317 (95% CI, 0.6532-0.8102) and final successful reperfusion rate with or without additional reperfusion procedures was 0.8834 (95% CI, 0.8279-0.9390). Univariate analysis indicated that patients with successful reperfusion (OR, 2.05; P = 0.05), distal segment occlusion (OR, 2.03; P = 0.03), and cardioembolus origin (OR, 2.13; P = 0.01) were more likely to have favorable outcome (modified Rankin Scale score ≤2 at 3 months). Study series that applied intra-arterial thrombolysis, angioplasty, or stenting as rescuing therapy had higher successful reperfusion rate but they did not show a higher rate of favorable outcome.
CONCLUSIONS: SRT with or without additional treatment appeared to be effective for the treatment of BAO. Successful reperfusion, distal segment occlusion, and cardiac embolism were associated with favorable outcome. The overall benefit of lesions requiring additional reperfusion therapy was unclear.