Aim The aim of this study is to compare subcutaneous 5% dextrose versus subacromial corticosteroid injection for the treatment of chronic rotator cuff tendinopathy. Methods We carried out a randomized clinical trial with two parallel groups at a university hospital. Overall, 57 (32 women) were included in two groups of corticosteroid (n = 29) and dextrose (n = 28). The mean pain score was 6.6 (1.0). We used a visual analog scale for pain and goniometry for the range of motion. The measurements were repeated 1 month after the interventions. For corticosteroid, a single injection of triamcinolone and 1% lidocaine, and for dextrose, a mixture of 5% dextrose and 2% lidocaine three times weekly were prescribed. Results Both interventions were effective in decreasing pain compared to the baseline (both p < 0.001). The difference in pain between the two groups was nearly significant 1-month post-intervention (p = 0.052). The comparison of the two groups in considerable pain reduction (≥2.8) was in favor of dextrose (p = 0.046). The differences in the range of motion were not conclusive. None of the participants reported an important adverse effect. Conclusion The 5% dextrose treatment is at least as effective as corticosteroid for reducing pain in patients with rotator cuff tendinopathy.
Subacromial corticosteroid injection or acupuncture with home exercises when treating patients with subacromial impingement in primary care--a randomized clinical trial
