Elbow

A Randomized Study Comparing Corticosteroid Injection to Corticosteroid Iontophoresis for Lateral Epicondylitis

Stefanou A, Marshall N, Holdan W, et al (Henry Ford Hosp, Detroit, MI; Wayne State Univ, Detroit, MI) J Hand Surg 37A:104-109, 2012^§

Abstract

Purpose

We designed a prospective, randomized study to evaluate the effects of iontophoresis delivery of dexamethasone versus corticosteroid injection therapy on patient outcomes.

Methods

We randomized 82 patients to 10   mg dexamethasone via iontophoresis using a self-contained patch with a 24-hour battery; 10   mg dexamethasone injection; or 10   mg triamcinolone injection. All patients received the same hand therapy protocol. Primary outcomes tracked were change in grip strength (flexion vs extension), pain, and function scores on a validated questionnaire. The secondary outcome was return-to-work status. Patients were evaluated at baseline, completion of physical therapy, and 6-month follow-up.

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