改良Ashworth量表用于痉挛评定的信度研究

Reliability of clinical measurements obtained with Modified Ashworth Scale in Chinese patients with spasticity

目的:检验改良的Ashworth量表(MAS)评定肌痉挛患者肌张力时的信度。方法:共收集了23例肌张力增高的患者,其中16例为偏瘫患者,5例为截瘫患者,2例为四肢瘫患者。由两名医生用MAS分别测量偏瘫患者患肢的屈肘肌、屈腕肌和股四头肌的肌张力,而对截瘫患者只测股四头肌,以检验MAS的评定者间和评定者内信度。结果:屈肘、屈腕肌和股四头肌的评定者间和评定者内信度较高(Kendall′s tau-b为0.621-0.862),符合率也较高(≥50%)。结论:MAS是一种可靠的评估肌痉挛的方法,具有临床应用价值。

Objective：To test the reliability of clinical measurements obtained with Modified Ashworth Scale in Chinese patients with spasticity. Method： Twenty-three patients including 16 hemiplegic patients, 5 paraplegic patients and 2 tetraplegic patients, with increasing muscle tone were recruited for this study. Two doctors assessed the muscle tone of elbow flexor, wrist flexor and quadriceps femoris using Modified Ashworth Scale in hemiplegic and tetraplegic patients, whereas assessed only quadriceps femoris in paraplegic patients. The Kendall＇s tau-b coefficient was calculated to evaluate the inter-rater and intra-rater reliabilities. Result： Interrater and intrarater reliabilities of elbow flexor, wrist flexor and quadriceps femoris were good as indicated by Kendall＇s tau-b coefficients ranging from 0.621 to 0.862, the agreements between two raters and within one rater were high also. Conclusion： The Modified Ashworth Scale is reliable for the assessment of spasticity, and is valuable for clinical measurements in China.