Journal of neurology · 2022
Initial symptoms of vertebrobasilar artery occlusions and the outcomes after endovascular treatment.
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Wang Jinjing, Zhu Shuanggen, Xu Pengfei, Huang Xianjun, Liu Chaolai, Liu Dezhi, Xiao Lulu, Gu Mengmeng, Cai Qiankun, Tao Chunrong, Li Shizhan, Wang Qizhang, Lan Wenya, Sun Wen, Liu Xinfeng, PERSIST Investigators
Аннотация
BACKGROUND: Acute vertebrobasilar artery occlusion (VBAO) is a devastating disease in stroke patients. This study was aimed to identify the initial symptoms of patients with acute VBAO receiving endovascular treatment and determine its associations with clinical outcomes.
METHODS: Patients with VBAO receiving endovascular treatment at 21 stroke centres in China were recruited for this derivation cohort A data-driven approach of latent class analysis was applied to identify distinct symptom typologies of VBAO patients. Multivariable binary and ordinary logistic regressions were used to evaluate the associations between symptom subtypes and clinical outcomes.
RESULTS: A total of 548 patients were analysed in this study. Four distinct subgroups were defined: the vestibular symptom group (32.8%), anterior circulation mimic group (26.5%), non-specific symptom group (14.8%) and severe VBAO symptom group (25.9%). Compared with severe VBAO symptoms, non-specific symptoms were independently associated with higher rates of favourable outcome and functional independence at the 3 months [odds ratio (OR) 2.46, 95% confidence interval (CI) 1.15-5.28; OR 3.46, 95% CI 1.54-7.79]and 1 year follow-up (OR 2.25, 95% CI 1.05-4.82; OR 2.69, 95% CI 1.22-5.92), and better functional improvement (shift in mRS score) at the 3 months (OR 2.05, 95% CI 1.15-3.67).
CONCLUSION: We identified four distinctive subtypes based on the initial symptoms of VBAO patients. Severe VBAO symptoms were associated with poor outcomes while non-specific and vestibular symptoms were indicators of a favourable outcome.
METHODS: Patients with VBAO receiving endovascular treatment at 21 stroke centres in China were recruited for this derivation cohort A data-driven approach of latent class analysis was applied to identify distinct symptom typologies of VBAO patients. Multivariable binary and ordinary logistic regressions were used to evaluate the associations between symptom subtypes and clinical outcomes.
RESULTS: A total of 548 patients were analysed in this study. Four distinct subgroups were defined: the vestibular symptom group (32.8%), anterior circulation mimic group (26.5%), non-specific symptom group (14.8%) and severe VBAO symptom group (25.9%). Compared with severe VBAO symptoms, non-specific symptoms were independently associated with higher rates of favourable outcome and functional independence at the 3 months [odds ratio (OR) 2.46, 95% confidence interval (CI) 1.15-5.28; OR 3.46, 95% CI 1.54-7.79]and 1 year follow-up (OR 2.25, 95% CI 1.05-4.82; OR 2.69, 95% CI 1.22-5.92), and better functional improvement (shift in mRS score) at the 3 months (OR 2.05, 95% CI 1.15-3.67).
CONCLUSION: We identified four distinctive subtypes based on the initial symptoms of VBAO patients. Severe VBAO symptoms were associated with poor outcomes while non-specific and vestibular symptoms were indicators of a favourable outcome.