Abstract
BackgroundTo compare the clinical efficacy of platelet rich plasma (PRP) subacromial injection and extracorporeal shock wave therapy (ESWT) on refractory non-calcific partial thickness supraspinatous tendon tear.ResultsSignificant improvement in all outcome measures achieved in both groups at 4 weeks follow-up period (the end of treatment course) (P< 0.05). At 12 weeks follow-up period, group I, showed significant improvement in all outcome measures compared to baseline and group II; however, in group II, there was no significant difference compared to baseline; moreover, deterioration in the previous improvement was noticed.ConclusionBoth PRP (group I) and ESWT (group II) are effective therapeutic methods in the management of refractory non-calcific partial thickness supraspinatous tendon tear; however, PRP (group I) has better long-term effects on both pain and function.
Highlights
To compare the clinical efficacy of platelet rich plasma (PRP) subacromial injection and extracorporeal shock wave therapy (ESWT) on refractory non-calcific partial thickness supraspinatous tendon tear
No significant differences were found in the baseline characteristics of the study population including age, sex, pain duration, affected side between the PRP group and the ESWT group at baseline (p > 0.05) (Table 2)
Most of the tears were found at the articular surface 53.3% in group I and 66.7 % in group II and to a lesser extent the bursal and interstitial tears (20% group I, 20% group II, and 26.7% group I, 13.3% group II respectively), and the most common associated shoulder lesion by Musculoskeletal ultrasound (MSUS) examination is subacromial bursitis (60%) in group I and (46.7%) in group II
Summary
To compare the clinical efficacy of platelet rich plasma (PRP) subacromial injection and extracorporeal shock wave therapy (ESWT) on refractory non-calcific partial thickness supraspinatous tendon tear. Rotator cuff consists of four tendons: supraspinatus, infraspinatus, subscapularis, and teres minor. Rotator cuff tendons arrange in a flat horseshoe flattened layer and converge together to inserts onto the head of the humerus [2]. Partial thickness rotator cuff tear (PTRCT) is caused by either intrinsic or extrinsic mechanisms; intrinsic mechanisms are much more predominant [3]. The supraspinatus tendon tear is the most common tendon involved in both partial and complete rotator cuff tears [4, 5]. Musculoskeletal ultrasound (MSUS) has been recently used for screening of rotator cuff tears; its value can be limited due to the difficulties to differentiate PTRCTs from
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