医学
青少年皮肌炎
多发性肌炎
内部评级可靠性
手腕
物理疗法
肱二头肌
肌炎
皮肌炎
脚踝
物理医学与康复
内科学
外科
置信区间
作者
Lisa G. Rider,Deloris E. Koziol,Edward H. Giannini,Minal Jain,M. I. Smith,Kristi Whitney-Mahoney,Brian M. Feldman,Susan Wright,Carol B. Lindsley,Lauren M. Pachman,María Luisa Villalba,Daniel J. Lovell,Suzanne L. Bowyer,Paul H. Plötz,Frederick W. Miller,Jeanne E. Hicks
摘要
Abstract Objective To validate manual muscle testing (MMT) for strength assessment in juvenile and adult dermatomyositis (DM) and polymyositis (PM). Methods Patients with PM/DM (73 children and 45 adults) were assessed at baseline and reevaluated 6–9 months later. We compared Total MMT (a group of 24 proximal, distal, and axial muscles) and Proximal MMT (7 proximal muscle groups) tested bilaterally on a 0–10 scale with 144 subsets of 6 and 96 subsets of 8 muscle groups tested unilaterally. Expert consensus was used to rank the best abbreviated MMT subsets for face validity and ease of assessment. Results The Total, Proximal, and best MMT subsets had excellent internal reliability (Total MMT r s = 0.91–0.98), and consistency (Cronbach's α = 0.78–0.97). Inter‐ and intrarater reliability were acceptable (Kendall's W 0.68–0.76, r s = 0.84–0.95). MMT subset scores correlated highly with Total and Proximal MMT scores and with the Childhood Myositis Assessment Scale, and correlated moderately with physician global activity, functional disability, magnetic resonance imaging, and axial and distal MMT scores, and, in adults, with creatine kinase level. The standardized response mean for Total MMT was 0.56 in juveniles and 0.75 in adults. Consensus was reached to use a subset of 8 muscles (neck flexors, deltoids, biceps, wrist extensors, gluteus maximus and medius, quadriceps, and ankle dorsiflexors) that performed as well as the Total and Proximal MMT, and had good face validity and ease of assessment. Conclusion These findings aid in standardizing the use of MMT for assessing strength as an outcome measure for myositis.
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