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首页> 外文期刊>Brain injury: BI >Heart rate variability (HRV) of patients with traumatic brain injury (TBI) during the post-insult sub-acute period.
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Heart rate variability (HRV) of patients with traumatic brain injury (TBI) during the post-insult sub-acute period.

机译：创伤后亚急性期脑外伤（TBI）患者的心率变异性（HRV）。

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OBJECTIVE: To evaluate heart rate variability (HRV) of patients with traumatic brain injury (TBI). METHODS: By a prospective study, the HRV was assessed in 20 patients with TBI during the sub-acute period post-injury (the first test was performed at a mean time post-insult of 38 days) and a matched control. The patients were examined twice, 1 month apart. The assessment included HRV (both in time and frequency domains), GCS, length of coma, brain CT, FIM and FAM. RESULTS: A significant difference was found between patients and controls concerning HRV total power, i.e. frequencies between 0.01-0.6 Hz (high frequency p = 0.003, low frequency p = 0.013, total power p = 0.034) and for standard deviation of RR interval p = 0.011. HRV changes were related more to the timing of the evaluation than to the severity of the brain damage. CONCLUSION: HRV differed of patients with TBI and in the control group. Tendency to HRV normalization changes was detected during the first 3 months after the injury, which suggests recovery of the autonomic nervous system.
机译：目的：评估创伤性脑损伤（TBI）患者的心率变异性（HRV）。方法：通过一项前瞻性研究，在受伤后亚急性期（受伤后平均38天进行首次测试）和相匹配的对照组中评估了20例TBI患者的HRV。两次检查，间隔1个月。评估包括HRV（时域和频域），GCS，昏迷长度，脑部CT，FIM和FAM。结果：在患者和对照组之间发现了关于HRV总功率的显着差异，即频率在0.01-0.6 Hz之间（高频p = 0.003，低频p = 0.013，总功率p = 0.034）和RR间隔p的标准偏差= 0.011。 HRV的变化更多地与评估时间有关，而不是与脑损伤的严重程度有关。结论：TBI患者与对照组HRV不同。在受伤后的前三个月内检测到HRV正常化趋势，这表明自主神经系统已恢复。

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