Rebuzzi A G, Lucente M, Lanza G A, Coppola E, Manzoli U
Prog Clin Biol Res. 1987;227B:153-8.
A 24-hr electrocardiographic monitoring was performed in 406 patients (297 with ischemic heart disease). Forty-one episodes of ventricular tachycardia were detected in 32 subjects (7.88%). The average rate of tachycardia was 127.4 (range 180-65). No correlation was observed between the rate of ventricular tachycardia and the heart rate 30, 20, and 10 min before and at the moment of the episode. A circadian rhythm of all the episodes was demonstrated, with an acrophase at 1102 hr. A different acrophase was observed for the QT interval. No significant rhythm was observed for premature ventricular beats in the patients with ventricular tachycardia. The circadian variation of tachycardia suggests that this arrhythmia is related to sympathetic tone, but it will require further studies with a larger number of patients with ventricular tachycardia to clarify this problem.
对406例患者（297例患有缺血性心脏病）进行了24小时心电图监测。在32名受试者（7.88%）中检测到41次室性心动过速发作。心动过速的平均心率为127.4（范围为180 - 65）。在发作前30、20和10分钟以及发作时，未观察到室性心动过速的心率与心率之间存在相关性。所有发作均呈现昼夜节律，峰值相位在11:02。QT间期观察到不同的峰值相位。室性心动过速患者的室性早搏未观察到明显节律。心动过速的昼夜变化表明这种心律失常与交感神经张力有关，但需要对更多室性心动过速患者进行进一步研究以阐明该问题。
