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目的探讨脑干梗死患者心率变异性(HRV)的特点。方法对60例脑干梗死患者,在发病1周内行HRV监测,并与对照组30例进行对照。结果与对照组比较,延髓梗死患者的HRV明显降低(P<0.05);而脑桥梗死时无此改变(P>0.05)。结论与桥脑梗死患者相比,延髓梗死患者的HRV各项指标较对照组均显著降低,提示延髓梗死患者具有更高的心血管风险。
Objective To investigate the characteristics of heart rate variability (HRV) in patients with brainstem infarction. Methods Sixty patients with brainstem infarction were monitored by HRV within one week of onset and compared with 30 patients in control group. Results Compared with the control group, HRV in patients with medullary infarction was significantly decreased (P <0.05), but not in the infarction group (P> 0.05). Conclusions Compared with patients with pontine infarction, the indexes of HRV in patients with medullary infarction are significantly lower than those in control group, suggesting that patients with medullary infarction have higher cardiovascular risk.