The use of polarized polychromatic non-coherent light as therapy for acute tennis elbow/lateral epicondylalgia: A pilot study
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Objective: The aim of this study was to assess the efficacy of polarized, polychromatic, non-coherent, low-energy light (Bioptron 2, Bioptron AG, Switzerland) in the treatment of acute tennis elbow. Background: Tennis elbow, or lateral epicondylitis, is one of the most common lesions affecting the arm. A plethora of treatment regimes have been described for this condition, but no specific therapy has emerged as a gold standard. Methods: A pilot study was carried out with 25 patients who had acute tennis elbow. Bioptron 2 device was applied over lateral epicondyle three times per week for 4 weeks. Pain on VAS, function on VAS, and pain-free grip strength were measured at the beginning (week 0) and at the end of the study (week 4). Results: The pain on VAS was reduced at the end of treatment (t24 = 3.84, p = 0.001). Function on VAS was increased at the end of treatment (t24 = 4.23, p < 0.001). Pain-free grip strength was increased at the end of treatment (t24 = 4.23, p < 0.004). Conclusion: Although the results suggested that the Bioptron 2 could reduce patients' symptoms with acute tennis elbow, future controlled studies are needed to establish the relative and absolute effectiveness of Bioptron 2.