PNF and Movement

Korea Proprioceptive Neuromuscular Facilitation Association (대한고유수용성신경근촉진법학회)
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Effect of Electrical Stimulation on Upper Extremity Function in Stroke Patients: A Systematic Review Based on Randomized Controlled Trials

뇌졸중 환자의 상지 기능에 기능적 전기 자극이 미치는 영향: 무작위대조군연구에 기초한 체계적 고찰

  • Hwang, Su-jin (Department of Physical Therapy, Graduate School of Health and Welfare, Baekseok University) ;
  • Seo, Yeon-ju (Department of Physical Therapy, Graduate School of Health and Welfare, Baekseok University)
  • 황수진 (백석대학교 보건복지대학원 물리치료학과) ;
  • 서연주 (백석대학교 보건복지대학원 물리치료학과)
  • Received : 2022.02.22
  • Accepted : 2022.04.09
  • Published : 2022.08.31
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Abstract

Objective: Electrical stimulation is an assistive technology used to aid the recovery of upper limb use after stroke. The purpose of this systematic review was to determine the effects of electrical stimulation on upper extremity function in individuals with hemiparetic stroke and to develop an evidence base that supports the use of electrical stimulation for upper limb recovery after stroke. Design: A systematic review based on randomized controlled trials (RCTs). Methods: Studies published before April 20 2021 were collected for this review by searching PubMed, four other databases, and RCTs that reported the effects of electrical stimulation on upper extremity function in individuals with the characteristic stroke type. Information on the following parameters was extracted from each study: surname of first author, published year, country, participants, intervention, intervention's intensity, comparison, outcomes, additional therapy, and summary of results. This review also evaluated the bias within each study, including any selection bias, performance bias, detection bias, attrition bias, and reporting bias. Results: This review included five RCTs, and 208 stroke patients were included in the analysis. Stroke patients who underwent electrical stimulation showed significantly improved grip and pinch strengths, wrist range of motion, and basic daily living compared to those in the control group; however, there was no improvement in upper extremity function. Of the selected papers, 60% showed a "high risk" of performance bias, and 20% showed a "high risk" of detection bias. Conclusions: The results of this systematic review suggest that electrical stimulation provides some benefits to stroke patients, such as improved hand strength and range of motion. However, future studies are needed to provide clinical evidence of the effects of electrical stimulation on upper extremity function in stroke patients.

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