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Comparison of two ultrasonographic localization techniques for the treatment of lateral epicondylitis with extracorporeal shock wave therapy: a randomized study [with consumer summary]
Melegati G, Tornese D, Bandi M, Rubini M
Clinical Rehabilitation 2004 Jun;18(4):366-370
clinical trial
6/10 [Eligibility criteria: Yes; Random allocation: Yes; Concealed allocation: No; Baseline comparability: Yes; Blind subjects: Yes; Blind therapists: No; Blind assessors: No; Adequate follow-up: Yes; Intention-to-treat analysis: No; Between-group comparisons: Yes; Point estimates and variability: Yes. Note: Eligibility criteria item does not contribute to total score] *This score has been confirmed*

OBJECTIVE: To describe and compare two ultrasonographic localization techniques for the treatment of lateral epicondylitis with extracorporeal shock wave therapy (ESWT). DESIGN: Forty-one subjects selected through clinical examination were randomly assigned to two groups of treatment. INTERVENTIONS: Each subject received a three-session ultrasound-guided ESWT (performed weekly). Lateral tangential focusing was used in group A, whereas back tangential focusing was used for group B. MAIN OUTCOME MEASURES: Total Elbow Scoring System (TESS) and a visual analogue scale (VAS) were used to evaluate each subject before the treatment and at six months follow-up. RESULTS: TESS and VAS pretreatment scores were homogeneous between the groups (p > 0.05). In both groups there was a significant (p < 0.05) increase in the TESS score and a decrease in the VAS score but there was no resolution of the pain. TESS and VAS follow-up scores were homogeneous between the two groups (p > 0.05). CONCLUSIONS: There was no difference between the two techniques of using ESWT.

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