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Effects of transcranial direct current stimulation (tDCS) on balance improvement: a systematic review and meta-analysis.
Somatosensory & Motor Research ( IF 1.3 ) Pub Date : 2019-06-11 , DOI: 10.1080/08990220.2019.1624517
Maria Clara D Soares de Moura 1 , Fuad A Hazime 2 , Luana V Marotti Aparicio 3 , Luanda A C Grecco 4 , André R Brunoni 3, 5 , Renata Hydeé Hasue 1
Affiliation  

Background: Transcranial direct current stimulation (tDCS) has emerged as a promising therapeutic tool to improve balance and optimize rehabilitation strategies. However, current literature shows the methodological heterogeneity of tDCS protocols and results, hindering any clear conclusions about the effects of tDCS on postural control. Objective: Evaluate the effectiveness of tDCS on postural control, and identify the most beneficial target brain areas and the effect on different populations. Methods: Two independent reviewers selected randomized tDCS clinical-trials studies from PubMed, Scopus, Web of Science, and reference lists of retrieved articles published between 1998 and 2017. Most frequently reported centre of pressure (COP) variables were selected for meta-analysis. Other postural control outcomes were discussed in the review. Results: Thirty studies were included in the systematic review, and 11 were submitted to a meta-analysis. A reduction of COP displacement area has been significantly achieved by tDCS, evidencing an improvement in balance control. Individuals with cerebral palsy (CP) and healthy young adults are mostly affected by stimulation. The analysis of the impact of tDCS over different brain areas revealed a significant effect after primary motor cortex (M1) stimulation, however, with no clear results after cerebellar stimulation due to divergent results among studies. Conclusions: tDCS appears to improve balance control, more evident in healthy and CP subjects. Effects are observed when primary MI is stimulated. Cerebellar stimulation should be better investigated.

中文翻译:

经颅直流电刺激(tDCS)对平衡改善的影响:系统评价和荟萃分析。

背景:经颅直流电刺激(tDCS)已经成为改善平衡和优化康复策略的有前途的治疗工具。但是,当前的文献显示了tDCS协议和方法的方法异质性,阻碍了关于tDCS对姿势控制的影响的任何明确结论。目的:评估tDCS对姿势控制的有效性,并确定最有利的目标大脑区域以及对不同人群的影响。方法:两名独立的审阅者从PubMed,Scopus,Web of Science和1998年至2017年发表的检索文献参考清单中选择了随机的tDCS临床试验研究。选择了最常报告的压力中心(COP)变量进行荟萃分析。该评价讨论了其他姿势控制结果。结果:系统评价包括30项研究,其中11项进行了荟萃分析。tDCS显着降低了COP置换面积,证明了平衡控制方面的改进。脑瘫(CP)个体和健康的年轻人大多受到刺激的影响。对tDCS对不同大脑区域的影响的分析显示,在原发性运动皮层(M1)刺激后,效果显着,但由于研究之间的分歧,在小脑刺激后没有明确的结果。结论:tDCS似乎可以改善平衡控制,在健康和CP受试者中更明显。当刺激原发性心肌梗塞时观察到效果。小脑刺激应进行更好的研究。tDCS显着降低了COP置换面积,证明了平衡控制方面的改进。脑瘫(CP)个体和健康的年轻人大多受到刺激的影响。对tDCS对不同大脑区域的影响的分析显示,在原发性运动皮层(M1)刺激后,效果显着,但由于研究之间的分歧,在小脑刺激后没有明确的结果。结论:tDCS似乎可以改善平衡控制,在健康和CP受试者中更明显。当刺激原发性心肌梗塞时观察到效果。小脑刺激应进行更好的研究。tDCS显着降低了COP置换面积,证明了平衡控制方面的改进。脑瘫(CP)个体和健康的年轻人大多受到刺激的影响。对tDCS对不同大脑区域的影响的分析显示,在原发性运动皮层(M1)刺激后,效果显着,但由于研究之间的分歧,在小脑刺激后没有明确的结果。结论:tDCS似乎可以改善平衡控制,在健康和CP受试者中更明显。当刺激原发性心肌梗塞时观察到效果。小脑刺激应进行更好的研究。脑瘫(CP)患者和健康的年轻成年人大多受到刺激的影响。对tDCS对不同大脑区域的影响的分析显示,在原发性运动皮层(M1)刺激后,效果显着,但由于研究之间的分歧,在小脑刺激后没有明确的结果。结论:tDCS似乎可以改善平衡控制,在健康和CP受试者中更明显。当刺激原发性心肌梗塞时观察到效果。小脑刺激应进行更好的研究。脑瘫(CP)患者和健康的年轻成年人大多受到刺激的影响。对tDCS对不同大脑区域的影响的分析显示,在原发性运动皮层(M1)刺激后,效果显着,但由于研究之间的分歧,在小脑刺激后没有明确的结果。结论:tDCS似乎可以改善平衡控制,在健康和CP受试者中更明显。当刺激原发性心肌梗塞时观察到效果。小脑刺激应进行更好的研究。在健康和CP受试者中更为明显。当刺激原发性心肌梗塞时观察到效果。小脑刺激应进行更好的研究。在健康和CP受试者中更为明显。当刺激原发性心肌梗塞时观察到效果。小脑刺激应进行更好的研究。
更新日期:2019-11-01
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