Original articleRandomized Controlled Trial for Efficacy of Intra-Articular Injection for Adhesive Capsulitis: Ultrasonography-Guided Versus Blind Technique
Section snippets
Participants
We selected the subjects from patients who visited the Department of Rehabilitation Medicine of our hospital between October 2006 and May 2007 with the main complaint of limited ROM of the shoulder joint and pain. The subjects in this study were patients diagnosed as having clinical disease stage II idiopathic adhesive capsulitis10 after clinical and physical examinations, x-ray test, and US. Patients with the diagnosis of other disorders that can cause similar clinical symptoms were excluded.
Clinical Characteristics of the Patients
Twenty patients out of 22 in the blind injection group and 20 out of 21 in the US-guided group finished the entire 6-week study period. The average ages of the 2 groups were similar at 53.1 and 54.1. The man to woman ratio was 10:10 for the blind injection group and 9:11 for the US-guided injection group. The weight and height were similar between the 2 groups. The average morbid period of shoulder pain was 10.6 months for the blind injection group and 8.5 months for the US-guided group, and
Discussion
Also referred to as frozen shoulder, adhesive capsulitis brings about gradually increasing pain and restricted joint ROM of the affected shoulder. Patients often complain of serious limitations in external rotation and abduction. The intra-articular injection of steroids for adhesive capsulitis has shown treatment effects through its reduction of the inflammatory reaction in the pathologic progress and has led to a relatively rapid improvement of symptoms.13, 14 The injection of sodium
Conclusions
We found that for intra-articular injection for patients with adhesive capsulitis, the US-guided technique offers faster reduction of pain and higher improvement of the range of joint motion and general shoulder functions during the early stage of treatment compared with the blind technique. Therefore, we believe that the US-guided injection technique can be a useful treatment that leads to earlier improvements in patients with adhesive capsulitis.
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