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ĐƯỜNG CONG HỌC TẬP TRONG CÁCH TIẾP CẬN CAN THIỆP KHÔNG CHIẾU TIA X TRIỆT ĐỐT RỐI LOẠN NHỊP THẤT KHỞI PHÁT TỪ ĐƯỜNG RA THẤT PHẢI
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Abstract
Objectives: We reviewed our learning curve for a zero-fluoroscopy (ZF) catheter ablation of right ventricular outflow tract ventricular arrhythmias (RVOT VAs) using three-dimensional electroanatomic mapping systems. Methods: Data were obtained retrospectively from 63 consecutive patients who underwent RFCA of RVOT VAs with the approach of ZF from May 2020 to September 2022. Divided into two groups according to the time order of the procedure, the first group included 32 patients (May 2020 to September 2021), the last group included 31 patients (October 2021 to September 2022).
Results: Mapping time and procedure time in the last group were significantly lower than those in the first group with p < 0.05. Complications of the procedure were mainly transient right bundle branch block (4.8%), seen in both groups. The success rate after follow-up was significantly different between the first group (78.1%) and the last group (96.8%) with p=0.03. There were no serious complications. Conclusions: Our study demonstrated that the procedure time, mapping time, and long-term results of ZFCA of RVOT VAs improved as experience accumulated by the time.
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Keywords
Learning Curve, Zero-Fluoroscopy Catheter Ablation, Ventricular Arrhythmias, Right Ventricular Outflow Tract (RVOT)
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