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Evaluation of the effectiveness of three physiotherapeutic treatments for subacromial impingement syndrome: a randomised clinical trial

Abstract

Objective

To determine whether dexketoprofen administered by phonophoresis or iontophoresis is more effective for the treatment of subacromial impingement syndrome (SIS) than conventional ultrasound therapy.

Design

Randomised clinical trial.

Setting

University hospital.

Participants

Ninety-nine participants with SIS without a complete tear of the rotator cuff were assigned at random to three intervention groups.

Intervention groups

Participants received ultrasound (n = 32), phonophoresis with dexketoprofen (50 mg/session) (n = 33) or iontophoresis with dexketoprofen (50 mg/session) (n = 34). All participants completed 20 treatment sessions plus exercise therapy and cryotherapy.

Outcome measures

A visual analogue scale (VAS), the Constant–Murley Scale (CMS) and the Disabilities of the Arm, Shoulder and Hand (DASH) questionnaire were administered pre-treatment (baseline), post-treatment and 1 month post-treatment.

Results

At baseline, there were no differences between the groups. Post-treatment, VAS score improved by −1.2 points and CMS score improved by 8.9 points in the ultrasound group compared with the iontophoresis group [95% confidence interval (CI) −0.2 to −2.2 and 95% CI 17.0 to 0.7, respectively]. CMS score improved by 7.1 points in the phonophoresis group compared with the iontophoresis group (95% CI 14.8 to −0.7). At 1 month post-treatment, no significant differences were detected between the groups. VAS, CMS and DASH scores of all groups improved post-treatment and at 1 month post-treatment.

Conclusion

Ultrasound, iontophoresis with dexketoprofen and phonophoresis with dexketoprofen can improve pain, shoulder function, and physical functioning and symptoms in the upper limb in patients with SIS without a complete tear of the rotator cuff.

Clinical Trials.gov registration number

NCT01748188.

Cite this article

Evaluation of the effectiveness of three physiotherapeutic treatments for subacromial impingement syndrome: a randomised clinical trial.

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