Objective To compare the accuracy and efficacy of ultrasound (US)-guided injections versus landmark-guided injections of the subacromial space, biceps tendon sheath, acromioclavicular (AC) joint and ...

The hypothesis was that an ultrasound guided tendon sheath PRP injection would result in a significant change in USPRS, PESS and VAS scores over the course of the 8-week study period. Results The ...