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Impact of High-power Short-duration Atrial Fibrillation Ablation Technique on the Incidence of Silent Cerebral Embolism: a Prospective Randomized Controlled Study by Chen, Wei-Jie (author);Gan, Chun-Xia (author);Cai, Yang-Wei (author);Liu, Yang-Yang (author);Xiao, Pei-Lin (author);Zou, Li-Li (author);Xiong, Qing-Song (author);Qin, Fang (author);Tao, Xie-Xin (author);Li, Ran (author);Du, Hua-An (author);Liu, Zeng-Zhang (author);Yin, Yue-Hui (author);Ling, Zhi-Yu (author) is a Medicine article available to read on EtoBox.

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## Background High-power short-duration (HPSD) ablation strategy has emerged as a popular approach for treating atrial fibrillation (AF), with shorter ablation time. The utilized Smart Touch Surround Flow (STSF) catheter, with 56 holes around the electrode, lowers electrode-tissue temperature and thrombus risk. Thus, we conducted this prospective, randomized study to investigate if the HPSD strategy with STSF catheter in AF ablation procedures reduces the silent cerebral embolism (SCE) risk compared to the conventional approach with the Smart Touch (ST) catheter. ## Methods From June 2020 to September 2021, 100 AF patients were randomized 1:1 to the HPSD group using the STSF catheter (power set at 50 W) or the conventional group using the ST catheter (power set at 30 to 35 W). Pulmonary vein isolation was performed in all patients, with additional lesions at operator’s discretion. High-resolution cerebral diffusion-weighted magnetic resonance imaging (hDWI) with slice thickness of 1 mm was performed before and 24–72 h after ablation. The incidence of new periprocedural SCE was defined as the primary outcome. Cognitive performance was assessed using the Montreal Cognitive Assessment

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Author

Chen, Wei-Jie (author);Gan, Chun-Xia (author);Cai, Yang-Wei (author);Liu, Yang-Yang (author);Xiao, Pei-Lin (author);Zou, Li-Li (author);Xiong, Qing-Song (author);Qin, Fang (author);Tao, Xie-Xin (author);Li, Ran (author);Du, Hua-An (author);Liu, Zeng-Zhang (author);Yin, Yue-Hui (author);Ling, Zhi-Yu (author)

Publisher

Springer Science and Business Media LLC

Published

2023

Field

Medicine (Health Sciences)