SO SÁNH ĐẶC ĐIỂM ĐIỆN SINH LÝ HỌC TIM Ở NGƯỜI BỆNH HỘI CHỨNG WOLFFPARKINSON-WHITE CÓ CƠN RUNG NHĨ VÀ KHÔNG CÓ CƠN RUNG NHĨ

Abstract

Objective: The purpose of this research was to study different the characteristic electrophysiology studies in patients with Wolff - Parkinson - White (WPW) syndrome between those with and without atrial fibrillation underwent electrophysiological study. Subjects and Methods: A total of 49 patients with WPW syndrome in the Vietnam Heart Institute at Bachmai Hospital (period august, 2020 to august, 2021) were divided into two groups: Those with AF (group 1, n = 18) and those without AF (group 2, n = 31). We compared the characteristic electrophysiology studies between two group of patients with and without AF attacks. Results: The results showed that the average age of 43,8 ± 17,6 years. The man is higher than the women (61.2% vs 38.8%), p < 0.05. There was no significant different in the Basic conduction intervals, sinus node recovery time, stimulation cycle time causing block downstream or retrograde conduction through atrioventricular nodal, atrial or ventricular refraction period between the two group, p > 0.05. There was a significant different in the downstream accessory pathway effective refractory period in the WPW group with AF lower than the group without AF (247.2 ± 29.0 vs 298.4 ± 21.8), p < 0,05; There was a significant different in the retrograde accessory pathway effective refractory period in the WPW group with AF higher than the group without AF (279.0 ± 24.0 vs 251.4 ± 33.8), p < 0,05. There was no significant different in the quantity and location of accessory pathways between the two group, p > 0.05