Journal of stroke and cerebrovascular diseases : the official journal of National Stroke Association · 2022
Peri-device leakage not CHA2DS2-VASc is associated with post-left atrial appendage closure cardiovascular event.
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Huang Pang-Shuo, Chiu Fu-Chun, Cheng Hsiao-Liang, Hsu Jung-Cheng, Chua Su-Kiat, Chu Chun-Yuan, Lin Ting-Tse, Chen Jien-Jiun, Tsai Chia-Ti
Аннотация
OBJECTIVE: In patients with non-valvular atrial fibrillation (NVAF), the left atrial appendage occluder (LAAO) is an alternative treatment for stroke prevention. However, thromboembolic event still occur, and the predictors are unknown.
METHODS: The first Asian long-term follow-up study consisted of 308 patients with mean age 71.9±9.5 years, mean CHA2DS2-VASc 4.1 ± 1.8 since 2013. Primary outcome was defined as any type of ischemic stroke/transient ischemic attack (TIA), systemic embolization and cardiovascular death.
RESULTS: There was no procedural-related TIA or stroke. After a mean follow-up of 38±16 months, the ischemic stroke/TIA rate was 1.9 and cardiovascular death rate 0.3 per 100 patient-year. The rate of peri-device leak (PDL) was 11.9% and device-related thrombus (DRT) 2.6%. In the multivariable analyses, PDL was the only independent predictor of stroke/TIA (hazard ratio 5.5, p=0.008). CHA2DS2-VASc score, prior history of stroke, DRT and post-procedural anti-thrombotic regimen/duration were not associated with outcomes. Implantation of Watchman was associated with PDL (odds ratio 4.35, p=0.001).
CONCLUSIONS: PDL is the only independent predictor of post-LAAO stroke. The risk of stroke for patients with NVAF may be controllable after LAA is occluded, because PDL is preventable and treatable.
METHODS: The first Asian long-term follow-up study consisted of 308 patients with mean age 71.9±9.5 years, mean CHA2DS2-VASc 4.1 ± 1.8 since 2013. Primary outcome was defined as any type of ischemic stroke/transient ischemic attack (TIA), systemic embolization and cardiovascular death.
RESULTS: There was no procedural-related TIA or stroke. After a mean follow-up of 38±16 months, the ischemic stroke/TIA rate was 1.9 and cardiovascular death rate 0.3 per 100 patient-year. The rate of peri-device leak (PDL) was 11.9% and device-related thrombus (DRT) 2.6%. In the multivariable analyses, PDL was the only independent predictor of stroke/TIA (hazard ratio 5.5, p=0.008). CHA2DS2-VASc score, prior history of stroke, DRT and post-procedural anti-thrombotic regimen/duration were not associated with outcomes. Implantation of Watchman was associated with PDL (odds ratio 4.35, p=0.001).
CONCLUSIONS: PDL is the only independent predictor of post-LAAO stroke. The risk of stroke for patients with NVAF may be controllable after LAA is occluded, because PDL is preventable and treatable.