Freeman Lisa M, Michel Kathryn E, Zanghi Brian M, Vester Boler Brittany M, Fages Julien
Am J Vet Res. 2020 Mar;81(3):254-259. doi: 10.2460/ajvr.81.3.254.
To compare muscle condition scores (MCSs) and muscle ultrasonographic measurements in cats with and without muscle loss and to evaluate repeatability and reproducibility of MCS assessment.
40 cats of various ages, body condition scores (BCSs), and MCSs.
A prospective cross-sectional study was conducted. Body weight, BCS, MCS, epaxial muscle height (EMH), vertebral epaxial muscle score (VEMS), and forelimb epaxial muscle score (FLEMS) were assessed in each cat. The MCS for each cat was assessed 3 separate times by each of 5 raters.
The MCS was significantly correlated with EMH ( = 0.59), VEMS ( = 0.66), and FLEMS ( = 0.41). For MCS, the overall value of the κ coefficient for interrater agreement (reproducibility) was 0.43 and the overall value of the κ coefficient for intrarater agreement (repeatability) ranged from 0.49 to 0.76.
Ultrasonographic measurements of muscle may be useful for assessing muscle loss in individual cats over time. However, for the cats of this study, no advantage was observed for assessment of VEMS or FLEMS over EMH. Substantial repeatability and moderate reproducibility were shown when MCS was used for assessment of muscle mass in cats. Prospective ultrasonographic studies are warranted to evaluate the usefulness of MCS and EMH assessment for evaluation of changes in muscle mass of cats over time.
比较有肌肉损耗和无肌肉损耗的猫的肌肉状况评分（MCS）及肌肉超声测量结果，并评估MCS评估的可重复性和再现性。
40只不同年龄、身体状况评分（BCS）和MCS的猫。
进行一项前瞻性横断面研究。对每只猫评估体重、BCS、MCS、轴上肌高度（EMH）、脊柱轴上肌评分（VEMS）和前肢轴上肌评分（FLEMS）。5名评估者分别对每只猫的MCS进行3次独立评估。
MCS与EMH（=0.59）、VEMS（=0.66）和FLEMS（=0.41）显著相关。对于MCS，评估者间一致性（再现性）的κ系数总值为0.43，评估者内一致性（可重复性）的κ系数总值范围为0.49至0.76。
肌肉的超声测量可能有助于评估个体猫随时间的肌肉损耗情况。然而，对于本研究中的猫，未观察到VEMS或FLEMS评估相对于EMH有优势。使用MCS评估猫的肌肉质量时显示出较高的可重复性和中等的再现性。有必要进行前瞻性超声研究，以评估MCS和EMH评估对评估猫随时间的肌肉质量变化的有用性。
