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采用２４ 小时动态心电图记录３８ 例脑出血急性期患者（脑出血组）及３０ 例正常人（对照组）的心率变异性（ＨＲＶ）指标及心律失常昼夜变化。结果：脑出血组ＨＲＶ失去昼夜节律变化，昼夜总心率变异性降低，室性早搏、室上性早搏明显增多；白天以交感神经受损明显，交感、迷走神经失去平衡；夜间交感、迷走神经均明显受损，但二者保持平衡；２２时至次日６ 时迷走神经张力最高，但亦低于正常人。
Thirty-eight patients with acute cerebral hemorrhage (ICH) and 30 normal subjects (control group) were enrolled in this study. The HRV and circadian rhythm of arrhythmia were recorded by 24-hour Holter monitoring. Results: HRV loss of circadian rhythm in cerebral hemorrhage group, the variability of the total heart rate decreased, premature ventricular contractions, supraventricular premature beats significantly increased; during the day to sympathetic damage was significant, sympathetic vagus nerve loss of balance; night sympathetic vagus nerve were significantly affected Loss, but the balance between the two; 22:00 to 6:00 the next day vagus nerve tension highest, but also lower than normal.