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Rev Bras Ortop. 2016 Jan 13;51(1):90-5. doi: 10.1016/j.rboe.2015.03.014. eCollection 2016 Jan-Feb.

Effects of platelet-rich plasma on lateral epicondylitis of the elbow: prospective randomized controlled trial.

Author information

1
Faculdade de Medicina de Marília, Marília, SP, Brazil.

Abstract

in English, Portuguese

OBJECTIVE:

To evaluate the effects of platelet-rich plasma (PRP) infiltration in patients with lateral epicondylitis of the elbow, through analysis of the Disabilities of the Arm, Shoulder and Hand (DASH) and Patient-Rated Tennis Elbow Evaluation (PRTEE) questionnaires.

METHODS:

Sixty patients with lateral epicondylitis of the elbow were prospectively randomized and evaluated after receiving infiltration of three milliliters of PRP, or 0.5% neocaine, or dexamethasone. For the scoring process, the patients were asked to fill out the DASH and PRTEE questionnaires on three occasions: on the day of infiltration and 90 and 180 days afterwards.

RESULTS:

Around 81.7% of the patients who underwent the treatment presented some improvement of the symptoms. The statistical tests showed that there was evidence that the cure rate was unrelated to the substance applied (p = 0.62). There was also intersection between the confidence intervals of each group, thus demonstrating that the proportions of patients whose symptoms improved were similar in all the groups.

CONCLUSION:

At a significance level of 5%, there was no evidence that one treatment was more effective than another, when assessed using the DASH and PRTEE questionnaires.

KEYWORDS:

Platelet-rich plasma; Tendinopathy; Tennis elbow

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