Journal of the Korean neurological association (대한신경과학회지)

Korean Neurological Association (대한신경과학회)
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Comparison of the NIH Stroke Scale and the Modified NIH Stroke Scale by Classification and Location of Cerebral Infarction

허혈성 뇌졸중의 아형 및 병변 위치에 따른 NIH Stroke Scale과 개량형 NIH Stroke Scale의 비교

Bu, Seon-Hee;Yoon, Sung-Sang;Chang, Hye-Jung;Kwon, Young-Dae;Park, Key-Chung;Ahn, Tae-Beom;Chang, Dae-Il;Chung, Kyung-Cheon
부선희;윤성상;장혜정;권영대;박기정;안태범;장대일;정경천

  • Published : 20060000
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Abstract

Background: The National Institutes of Health Stroke Scale (NIHSS) is regarded as a valid and reliable tool to measure the severity of neurological deficits in acute stroke, but has been criticized for its complexity and variability. Therefore, the modified NIHSS (mNIHSS) was developed, eliminating redundant and less reliable items from the full version of the NIHSS. The aim of the present study was to evaluate the validity of the mNIHSS according to the subtypes of stroke and the location of affected arterial territories. Methods: The severity of stroke in 155 patients with acute cerebral infarction was measured. Each patient was evaluated by two neurologists using both the NIHSS and mNIHSS, and the stroke subtype was determined according to the TOAST classification. The vascular territory of lesion was classified into an anterior and posterior circulation. The criterion-related validity was evaluated by the Pearson Correlation Coefficient between the NIHSS and mNIHSS scores. Results: When considering the NIHSS scores as the gold criteria, the Pearson correlation coefficients of the mNIHSS were 0.96 in the subtype of large artery atherosclerosis, 0.91 in small vessel occlusion, 0.98 in cardioembolism, and 0.99 in undetermined etiology. On the other hand, the correlation coefficient was 0.98 in patients with an anterior circulation infarction, and was 0.94 in patients with a posterior circulation infarction. Conclusions: The criterion-related validity of the mNIHSS scoring system was very high in general. However, the correlations were relatively low in patients with the TOAST subtype of small vessel occlusion and also a posterior circulation infarction. J Korean Neurol Assoc 24(2):112-116, 2006

Keywords

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