• Seung Deuk Byun, Yong Ho Hong, Sung Kyung Hong, Jin Won Song, Seung Beom Woo, Jae Hyun Noh, Jong Min Kim, and Zee Ihn Lee.
• Department of Rehabilitation Medicine, Kang Hospital, Daegu, Korea.
• Ann Rehabil Med. 2014 Dec 1; 38 (6): 805-11.

ObjectiveTo evaluate the effects of repeated steroid injection at subacromial bursa with different interval for patient with periarticular shoulder disorder.MethodsGroup A (n=10) received subacromial bursa injection only on their first visit, group C (n=10) received the injection on their first visit and one week later, and group B (n=10) received the injection on their first visit and two weeks later. All injections were done with a combination of 40 mg (1.0 mL) of triamcinolone and 5.0 mL 0.5% lidocaine (6 mL total). We examined the active range of motion (AROM) of the shoulder joint, visual analogue scale (VAS), and shoulder disability questionnaire (SDQ) at baseline at 1, 2, and 4 weeks after the initial injection.ResultsIn VAS, comparing the changes in VAS between groups, group B showed significant improvements compared with group A or C at 4 weeks after the initial injection (p<0.05). In SDQ, comparing the changes in SDQ between the groups, group B and C showed more improvement than group A at 4 weeks after the initial injection, but these results were not statistically significant (p>0.05). In AROM, comparing the changes in AROM of external rotation between groups, group B and C showed significant improvement compared with group A at 4 weeks after the initial injection (p<0.05).ConclusionIt may be more effective in pain relief for patients with periarticular disorder to receive subacromial bursa injections twice with 2-week interval, as opposed to once.

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