Intra-articular injection, subacromial injection, and hydrodilatation for primary frozen shoulder: a randomized clinical trial.

Jong Pil Yoon, Seok Won Chung, Ju-Eun Kim, Hyung Sup Kim, Hyun-Joo Lee, Won-Ju Jeong, Kyung-Soo Oh, Dong-Oh Lee, Anna Seo, Youngjun Kim

Journal: Journal of shoulder and elbow surgery 2016;25(3):376-83

PMID: 26927433

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Abstract

BACKGROUND

The aim of this prospective randomized study was to compare the efficacy of 3 injection methods, intra-articular injection, subacromial injection, and hydrodilatation (HD), in the treatment of primary frozen shoulder.

METHODS

Patients with primary frozen shoulder were randomized to undergo intra-articular injection (n = 29), subacromial injection (n = 29), or HD (n = 28). Evaluations using a visual analog scale for pain, Simple Shoulder Test, Constant score, and passive range of shoulder motion were completed before treatment and 1 month, 3 months, and 6 months after treatment.

RESULTS

Among the 3 injection methods for primary frozen shoulder, HD resulted in a greater range of motion in forward flexion and external rotation, a lower visual analog scale score for pain after 1 month, and better outcomes for all functional scores after 1 month and 3 months of follow-up. However, there were no significant differences in any clinical outcomes among the 3 groups in the final follow-up at 6 months.

CONCLUSIONS

Although HD yielded more rapid improvement, the 3 injection methods for primary frozen shoulder resulted in similar clinical improvement in the final follow-up at 6 months.

Address: Department of Orthopaedic Surgery, School of Medicine, Kyungpook National University, Daegu, South Korea.; Department of Orthopaedic Surgery, School of Medicine, Konkuk University, Seoul, South Korea. Electronic address: [email protected].; Department of Orthopaedic Surgery, School of Medicine, Konkuk University, Seoul, South Korea.; Center for Bionics, Korea Institute of Science and Technology, Seoul, South Korea.

DOI: 10.1016/j.jse.2015.11.009

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MeSH Terms: Acromion, Bursitis, Female, Follow-Up Studies, Humans, Injections, Intra-Articular, Male, Middle Aged, Prospective Studies, Range of Motion, Articular, Shoulder Joint, Sodium Chloride, Triamcinolone