特发性正常压力脑积水患者与双重任务相关的步态变化的意义。
Interest of dual-task-related gait changes in idiopathic normal pressure hydrocephalus.
机构信息
Willy Taillard Laboratory of Kinesiology, Geneva University Hospitals and University of Geneva Care Services Directorate, Unit of Physiotherapy Research, Geneva, Switzerland.
出版信息
Eur J Neurol. 2011 Aug;18(8):1081-4. doi: 10.1111/j.1468-1331.2010.03242.x. Epub 2010 Oct 19.
BACKGROUND
Gait disorders in patients with idiopathic normal pressure hydrocephalus (iNPH) share similar characteristics found in pathologies presenting with higher-level gait disorders that have been specifically associated with gait changes during walking while simultaneously performing an attention-demanding task (i.e. dual tasking). The current study assessed the effect of cerebrospinal fluid (CSF) tapping on quantitative gait modification during single and dual tasking in patients with a suspicion of iNPH.
METHODS
Of 53 patients suspected of iNPH, 18 have been included in this study. Gait analysis during single- and dual-task condition (walking and backward counting) before and after tapping of 40 ml CSF has been performed.
RESULTS
Gait speed (P < 0.01) and stride length (P < 0.05) were significantly improved during dual-task conditions after CSF tapping compared to the gait performance before spinal tapping, without such improvement for gait parameters during single-tasking.
CONCLUSION
Dual-tasking condition better reveals gait improvement after CSF tapping than single-tasking in patients suspected of iNPH.
背景
特发性正常压力脑积水（iNPH）患者的步态障碍与其他具有更高水平步态障碍的病症具有相似的特征，这些病症与行走时同时执行注意力要求高的任务（即双重任务）时的步态变化有关。本研究评估了在怀疑患有 iNPH 的患者中单任务和双重任务时，脑脊液（CSF）抽吸对定量步态改变的影响。
方法
在怀疑患有 iNPH 的 53 名患者中，有 18 名患者被纳入本研究。在进行 40ml CSF 抽吸前后，对患者进行单任务和双重任务条件（行走和倒计数）下的步态分析。
结果
与脊柱抽吸前相比，双重任务条件下 CSF 抽吸后步态速度（P<0.01）和步长（P<0.05）显著改善，而单任务条件下的步态参数没有改善。
结论
与单任务相比，双重任务条件能更好地揭示疑似 iNPH 患者 CSF 抽吸后的步态改善。
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