Increased reliability of quantitative ultrasound measures of the supraspinatus tendon using multiple image analysts and analysis runs

Model System:

SCI

Reference Type:

Journal article

Accession No.:

J77791

Journal:

American Journal of Physical Medicine and Rehabilitation

Year, Volume, Issue, Page(s):

2018 , 97, 1, 62-67

Publication Website:

Abstract:

Study assessed the reliability of specific quantitative ultrasound (QUS) measures of the supraspinatus tendon when performed by different image analysts across two analysis sessions. Transverse images of the supraspinatus tendon were captured from eleven subjects (22 shoulders) by two ultrasonographers, and each image was analyzed by two image analysts who each completed two analysis runs. Generalizability theory and intraclass correlations were used to assess the reliability of seven QUS metrics. Measures of tendon/cartilage thickness demonstrated the greatest degree of overall dependability, followed by echogenicity, variance, and entropy, suggesting that these measures of the supraspinatus tendon may be promising metrics for assessing differences in tendon health. Interrater reliability between ultrasound operators ranged from low to moderate for different QUS metrics, but using more than one image analyst and performing repeated measurement analysis runs on each image help increase reliability of QUS measures for the supraspinatus tendon.

Author(s):