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意大利学者Brignole等通过OPSITE研究发现,持续性心房颤动房室结消融后无论采用何种心室起搏方式均可提高患者生活质量及活动耐力。该研究共入选56例伴快速心室率的持续性心房颤动患者,房室结消融后分两阶段交叉比较右心室与左心室,右心室与双心室起搏,每阶段持续3月,主要观测?
Italian scholar Brignole and other OPSITE study found that persistent atrial fibrillation after atrioventricular node ablation, regardless of what ventricular pacing mode can improve patient quality of life and endurance. A total of 56 patients with persistent atrial fibrillation with rapid ventricular rate were enrolled. Atrioventricular node ablation followed by right ventricle and left ventricle, right ventricle and biventricular pacing in two stages. Each stage lasted for 3 months. The main observation was?