Serial Changes in Score on the Japanese Version of the Trail Making Test (TMT-J) After Minor Ischemic Stroke

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  • 軽症脳梗塞患者におけるTrail Making Test日本版（TMT-J）スコアの経時的変化
  • ケイショウ ノウコウソク カンジャ ニ オケル Trail Making Test ニホンバン(TMT-J)スコア ノ ケイジテキ ヘンカ

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The Trail Making Test (TMT) is a widely used measure of attention impairment. The time needed to complete the TMT (TMT score) is longer with greater impairment of attention in patients with brain diseases. TMT score becomes large in a proportion of patients with minor ischemic stroke. The Japanese version of the TMT- (TMT-J) was published in 2019. The purpose of this study was to clarify serial changes in TMT-J scores in patients with minor ischemic stroke. We retrospectively reviewed the TMT-J scores in those patients who completed the test both 8-14 days and 29-35 days after stroke onset. On initial evaluation, 1 of 21 patients could not complete TMT-J Part A. TMT-J Part A scores had a mean of 67 s and were abnormally large in 45% of the 20 patients who completed this part. Two of these 20 patients could not complete TMT-J Part B. TMT-J Part B scores had a mean of 135 s and were abnormally large in 61% of the 18 patients who completed this part. On second evaluation, scores on Part A and Part B improved in 76% and 73% of patients, respectively. This study demonstrated that abnormal TMT-J scores 8-14 days after onset of minor ischemic stroke improved over time in most patients.

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