Conclusions High-frequency electrical stimulation on IVCFP can lead to atrioventricular conduction delay.
结论：刺激下腔静脉脂肪垫可使房室传导延迟，而不影响窦房结功能。
The biventricular synchronous pacing improves the hemodynamic effect in patients with chronic heart failure and intraventricular conduction delay.
结论双心室起搏可有效改善慢性心衰伴心室内传导阻滞患者近期的心功能。
Conclusion Biventricular pacing can improve cardiopulmonary function, exercise tolerance and quality-of-life in patients with chronic heart failure and intraventricular conduction delay.
结论双心室起搏能有效改善慢性心衰患者心肺功能，增加运动能量，提高生活质量。
Conclusion Biventricular pacing can improve cardiopulmonary function, exercise tolerance and quality-of-life in patients with chronic heart failure and intraventricular conduction delay.
结论双心室起搏能有效改善慢性心衰患者心肺功能，增加运动能量，提高生活质量。
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