Abstract
Objective. Rotator cuff tear (RCT) accounts for 50% of shoulder injuries, leading to chronic pain and disability in the upper extremity. The study is conducted to investigate the association between resonance imaging (MRI) classifications of patients with RCT and different shoulder outcome scores. Methods. From September 2018 to October 2019, 112 patients underwent shoulder MRI at our institution and selected as eligible study subjects according to inclusion and exclusion criteria. Among these 112 patients, 69 cases had confirmed history of shoulder trauma and 43 cases were due to chronic shoulder joint pain. The shoulder function of patients was evaluated by University of California Los Angeles Shoulder (UCLA) score, Constant-Murley score, Shoulder Pain and Disability Index (SPADI), and simple shoulder test (SST). Results. Among the 112 patients, there were 34 cases, 58 cases, and 20 cases with MRI classifications at grades I, II, and III, respectively. There was no significant difference in the injured tendons in patients with different MRI classifications ( P > 0.05 ). The injury at the supraspinatus was more common. The scores of UCLA, Constant-Murley, and SST in patients with MRI grading at grade I were significantly higher than those at grades II and III ( P < 0.05 ), which were significantly higher in patients at grade II than those at grade III ( P < 0.05 ). SPADI score in patients with MRI grading at grade I was significantly lower than that at grades II and III ( P < 0.05 ), while there was no significant difference in SPADI score between patients at grades II and III ( P > 0.05 ). MRI classifications were negatively correlated with scores of UCLA, Constant-Murley, and SST ( P > 0.05 ). There was no significant correlation between MRI grade and SPADI scores ( P > 0.05 ). Conclusion. The supraspinatus tendon injury is more common in patients with RCT. MRI classifications were negatively correlated with scores of UCLA, Constant-Murley, and SST.
Highlights
Rotator cuff tear (RCT) accounts for 50% of shoulder injuries, leading to chronic pain and disability in the upper extremity [1]
We evaluated the severity of RCT according to magnetic resonance imaging (MRI) and analyzed the association between MRI evaluations and different shoulder outcome scores including University of California Los Angeles (UCLA) shoulder score, Constant-Murley scale, Shoulder Pain and Dysfunction Index (SPADI), and simplified shoulder functional testing (SST), in a bid to provide reference for diagnosis and management of RCT
A T2WI coronal oblique image at the level of the acromioclavicular joint demonstrates the disruption of the supraspinatus tendon as it is outlined by high-signal-intensity fluid
Summary
Rotator cuff tear (RCT) accounts for 50% of shoulder injuries, leading to chronic pain and disability in the upper extremity [1]. The prevalence of RCT increases with advanced age, and more than 50% individuals in their 80s suffer from RCT [2]. There are a wide variety of surgical options, such as rotator cuff repair, superior capsule reconstruction, subacromial decompression, as well as reverse shoulder arthroplasty [3, 4]. Failed rotator cuff repair may be attributed to some nonmodifiable and modifiable patient factors, such as age, tendon quality, rotator cuff tear characteristics, acute or chronic rotator cuff tear, bone quality, tobacco use, and medications, and surgical variables, such as the technique, timing, tension on the repair, the biomechanical construct, and fixation, as well as the postoperative rehabilitation strategy [6]
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