OBJECTIVE:To examine the correlation between motor impairment, aerobic capacity and HRV parameters in patients who had recently had an ischemic stroke. DESIGN:Thirty-nine patients, after a first CVA. MEASUREMENTS:motor performance (measured by the Motor Assessment Scale (MAS)), aerobic capacity (measured by Heart Rate (HR) at maximal effort and maximal workload (MWL) at graded stress test), both tested two weeks and three-month post event. Heart Rate Variability (HRV) parameters included time domain (ms) and power spectrum (ms(2)) were tested up to two weeks post event. RESULTS:HRV parameters correlated positively with motor performance and aerobic capacity two weeks (MAS: r(p) = 0.47, p < 0.01, maximal workload: r(p) = 0.26, P < 0.05) and three-month (MAS: r(p) = 0.41, p < 0.01, maximal workload: r(p) = 0.20, not significant) post-stroke. CONCLUSIONS:HRV in the acute phase of stroke have positive connection to motor performance and aerobic capacity two weeks post event, and may have a prognostic value to assess motor ability three-month post the event.

译文

目的:探讨最近患有缺血性中风的患者的运动障碍,有氧运动能力和HRV参数之间的相关性。
设计:39例患者,首次接受CVA后。
测量:运动能力(通过运动评估量表(MAS)测量),有氧运动能力(通过最大压力下的心率(HR)和分级压力测试下最大工作量(MWL)测量),均在术后两周和三个月内进行测试事件。事件发生后最多两周对包括时域(ms)和功率谱(ms(2))在内的心率变异性(HRV)参数进行了测试。
结果:HRV参数与运动能力和有氧运动能力两周呈正相关(MAS:r(p)= 0.47,p <0.01,最大工作量:r(p)= 0.26,P <0.05)和三个月(MAS:r (p)= 0.41,p <0.01,最大工作量:r(p)= 0.20,不显着)。
结论:中风急性期的HRV与事件后两周的运动表现和有氧运动能力呈正相关,可能在事件后三个月评估运动能力的预后价值。

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