Shoulder
A prospective randomized controlled trial comparing occupational therapy with home-based exercises in conservative treatment of rotator cuff tears

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Background

This pilot study evaluates the outcome after occupational therapy, compared to home-based exercises in the conservative treatment of patients with full thickness rotator cuff tears.

Methods

Forty-three adult subjects (range, 18-75 years), who had a full thickness rupture of the rotator cuff which was verified by magnetic imaging tomography, with clinical signs of a chronic rotator cuff impingement, and who were available for follow-up, were randomized to occupational therapy or to independent home-based exercises using a booklet. After drop-out, 38 patients were available for full examination at follow-up. Before therapy and after 2 months of conservative treatment, pain intensity, the Constant-Murley score, isokinetic strength testing in abduction and external rotation, functional limitation, clinical shoulder tests and health-related quality of life (EQ-5D) were evaluated.

Results

Two-thirds of the patients improved in clinical shoulder tests, regardless of the therapy group. There were no significant differences between the groups with reference to pain, range of motion, maximum peak force (abduction, external rotation), the Constant-Murley score, and the EQ-5D index. The only significant difference observed was the improvement in the self-assessed health- related quality of life (EQ-5D VAS) favoring home-based exercises.

Conclusion

Home-based exercise, on the basis of an illustrated booklet with exercises twice a day, supplies comparable results to formal occupational therapy in the conservative treatment of rotator cuff tears. The results of this pilot study suggest some potential advantages related to psychological benefits using home-based treatment.

Section snippets

Materials and methods

Between September 2010 and May 2011, 43 patients with unilateral, symptomatic, atraumatic rotator cuff tears were recruited by 3 centers for orthopedics, given that surgery was not recommended and they had elected to participate in the non-operative physical therapy treatment program. Surgery is usually recommended in younger patients, and if severe chronic pain at rest and impaired shoulder function is apparent. Patients were randomized, according to a computerized random-number generator, to

Statistics

Statistical analysis was performed using SAS V9.3 (SAS, Cary, NC, USA). For both ordinal and numerical scores, nonparametric statistics (rank sum test according to Wilcoxon-Mann-Whitney) were used as normal distributions could not safely be assumed. For categorical variables, Fisher’s exact test (instead of χ2-tests) was used to account for cells with low expected frequencies. The level of significance for every comparison was set to α = 0.05.

Results

Forty-three patients were recruited and enrolled in the study (Fig 1): 23 were randomized to occupational therapy and 20 to home-based, independent exercises. Thirty-eight patients (89%) completed the whole therapy and follow-up. Five patients had to be excluded from the study: 3 patients (1 with occupational, 2 with independent therapy) missed the 2 months' evaluation without giving any reasons. One patient in the home-based treatment group received a prescription from his general

Discussion

Most rotator cuff tears can be treated successfully by conservative management, including non-steroidal anti-inflammatory drugs (NSAIDs), corticosteroid injections, and functional rehabilitation therapy.3 This is in concordance with clinical reports indicating that 88% of the shoulders had no or even slight pain more than 10 years after diagnosis under conservative management.12

Our findings suggest that a home-based therapy program on the basis of an illustrated booklet with independent

Conclusion

This clinical trial supports the concept of independent treatment with home-based exercises in the conservative management of rotator cuff tears. Using home-based exercises, improvements in pain, ROM, and strength, comparable to prescribed occupational therapy, can be expected. However, bearing in mind that this study was a pilot trial with a rather small sample size, a replication and further investigations of subgroup effects in a bigger trial, preferably with a noninferiority design, are

Acknowledgment

This study was supported by the Centre of Musculoskeletal Research (zmfu), Ulm University, Germany (SPZ.000317). The authors thank Dr. Stefanie Schilf for assistance and modeling the illustrations. The authors also wish to thank the ambulatory health and rehabilitation centre RehaPlus, Ulm, for their technical help and for providing measuring devices (Biodex 3).

Disclaimer

The authors, their immediate families, and any research foundation with which they are affiliated did not receive any financial payments or other benefits from any commercial entity related to the subject of this article.

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    The study protocol was approved by the Human Research Committee at Ulm University (Approval 212/10).

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