목적 : 뇌졸중 후 연하장애 중재에 포함된 임상가의 조기 접근을 위해 신경근전기자극(Neuromuscular Electronic Stimulation; NMES)와 비 침습성 뇌자극(Non-Invasive Brain Stimulation; NIBS)를 적용한 무작위 대조실험(Randomized Controlled Trials; RCTs) 연구의 메타분석을 통해 구체적인 효과와 방안을 제시하고자 한다. 연구방법 : Pubmed, CINAHL(EBSCOhost), Psycinfo, 한국학술정보원(Korean Studies Information Service System; KISS), 학술연구정보서비스(Research Information Sharing Service; RISS)를 통하 여 2008년부터 2019년까지의 논문을 검색하였다. 주요 용어는 “stroke OR CVA OR cerebrocascular accident OR vascular accident” AND “dysphagia OR swallowing disorder OR deglutition disorder” AND “tDCS OR transcranial direct current stimulation OR rTMS OR repetitive transcranial magnetic stimulation OR NMES OR neuromuscular electronic stimulation” AND “RCT OR randomized control trial”, “뇌졸중” 그리고 “연하장애 또는 삼킴곤란” 그리고 “경두개 자기자극 또는 경두개 직류자극 또는 신경근 전기자극” 그리고 “무작위대조실험”을 사용하였다. 포함기준과 배제기준을 적용하여 총 11개의 연구가 분석 대상으로 사용되었다. 결과 : 경두개 직류자극(Transcranial Direct Current Stimulation; tDCS)의 전기자극 강도는 1mA, 경 두개 자기자극(Repetitive Transcranial Magnetic Stimulation; rTMS)의 전기자극 강도는 3~5Hz, 신 경근 전기자극(Neuromuscular Electronic Stimulation; NMES)의 전기자극 강도는 8~15mA로 다양했으며, tDCS와 rTMS는 큰 효과크기, NMES는 중간 효과크기로 나타났다. 결론 : 본 연구는 메타분석을 통해 3가지 치료에 대한 효과를 확인하고 환자 특성과 중재 방향에 따라 다양한 결과를 확인할 수 있었다. 3가지 치료는 국내 뇌졸중 후 연하장애 회복에 효과가 있으며 안전하다고 판단한다. 향후 연하장애 회복을 이끄는 다양한 요인에 대한 명확한 연구가 활발히 이루어져야 할 것이다.

This study is intended to examine the tDCS and Montoya stair task(MST) on sensorimotor recovery and glial scar expression in MCAo induced stroke model of rat. To achieve this goal, this study selected 80 SD rats of 8 weeks. The experiment groups were divided them into four groups, and assigned 20 rats to each group. GroupⅠ was a experimental control group; GroupⅡ was a tDCS application group after MCAo; GroupⅢ was a MST application group after MCAo; GroupⅣ was a tDCS and MST application group after MCAo. In each group, neurological function test measurement, motor behavior test, montoya stair task test, immunohistochemistric finding of GFAP expression finding were analyzed. In motor behavior test, the outcome of groupⅠ was significantly difference than the other group, especially from 14days. In montoya stair task test, the outcome of groupⅠ was significantly lower than the other group especially, groupⅡ were significantly different on 14days and group Ⅳ was most significantly difference than the other group. In immunohistochemistric finding, groupⅡ, Ⅲ, Ⅳ were decrease GFAP expression on depend on time stream. These results throughout the MCAo due to focal ischemic brain injury rat model four weeks tDCS and MST was applied, when the neurobehavioural, upper extremity function and ability, histopathologic data suggest that sensorimotor function recovery and a positive influence on glial scar decrease and confirmed that.