Treatment of medial and lateral epicondylitis--tennis and golfer's elbow--with low level laser therapy: a multicenter double blind, placebo-controlled clinical study on 324 patients
Simunovic Z, Trobonjaca T, Trobonjaca Z
Journal of clinical laser medicine & surgery · 49 citas
Etiquetas de revisión
Financiación no declaradaDatos neutrales que nuestra revisión registró sobre cómo se hizo este estudio. Describen el método, nunca si nos gusta el resultado.
Cómo se estudió
- Diseño
- Ensayo controlado aleatorizado (indexado por PubMed)
- Estudiado en
- Personas
- Resultado principal
- Marcadores de salud y funcionamiento
Quién lo pagó
- Financiación
- Financiación no declarada
Publicación
- Publicado
- 1998-06-01 · J Clin Laser Med Surg · vol. 16 · número 3 · págs. 145–151
- Editorial
- Mary Ann Liebert, Inc.
- Citado
- 98 citas · más que el 89% de estudios similares · 2.9× el promedio de su campo
- Referencias
- 5 trabajos
- Acceso
- De pago
- Áreas de investigación
- Laser Applications in Dentistry and Medicine · Tendon Structure and Treatment · Dermatologic Treatments and Research
- Palabras clave
- low-level laser therapy, epicondylitis, medial epicondylitis, lateral epicondylitis, golfer's elbow, trigger points, infrared diode laser, analgesia, functional capacity, energy dose, placebo-controlled crossover trial, McGill Pain Questionnaire, hand dynamometer, treatment efficacy comparison
- MeSH
- humans, myofascial pain syndromes, tennis elbow, gallium, helium, pain measurement, treatment outcome, chi-square distribution, cross-over studies, double-blind method, infrared rays, semiconductors, golf, adolescent, adult, aged, middle aged, female, male, laser therapy
3 autores
- Zlatko Simunovic
- Tatjana Trobonjaca
- Zlatko Trobonjača
Resumen
El texto original del estudio, en el idioma en que se publicó.
Background and objective
Among the other treatment modalities of medial and lateral epicondylitis, low level laser therapy (LLLT) has been promoted as a highly successful method. The aim of this clinical study was to assess the efficacy of LLLT using trigger points (TPs) and scanner application techniques under placebo-controlled conditions.
Study design/material and methods
The current clinical study was completed at two Laser Centers (Locarno, Switzerland and Opatija, Croatia) as a double-blind, placebo controlled, crossover clinical study. The patient population (n = 324), with either medial epicondylitis (Golfer's elbow; n = 50) or lateral epicondylitis (Tennis elbow; n = 274), was recruited. Unilateral cases of either type of epicondylitis (n = 283) were randomly allocated to one of three treatment groups according to the LLLT technique applied: (1) Trigger points; (2) Scanner; (3) Combination Treatment (i.e., TPs and scanner technique). Bilateral cases of either type of epicondylitis (n = 41) were subject to crossover, placebo-controlled conditions. Laser devices used to perform these treatments were infrared (IR) diode laser (GaAlAs) 830 nm continuous wave for treatment of TPs and HeNe 632.8 nm combined with IR diode laser 904 nm, pulsed wave for scanner technique. Energy doses were equally controlled and measured in Joules/cm2 either during TPs or scanner technique sessions in all groups of patients. The treatment outcome (pain relief and functional ability) was observed and measured according to the following methods: (1) short form of McGill's Pain Questionnaire (SF-MPQ); (2) visual analogue scales (VAS); (3) verbal rating scales (VRS); (4) patient's pain diary; and (5) hand dynamometer.
Results
Total relief of the pain with consequently improved functional ability was achieved in 82% of acute and 66% of chronic cases, all of which were treated by combination of TPs and scanner technique.
Conclusions
This clinical study has demonstrated that the best results are obtained using combination treatment (i.e., TPs and scanner technique). Good results are obtained from adequate treatment technique correctly applied, individual energy doses, adequate medical education, clinical experience, and correct approach of laser therapists. We observed that under- and overirradiation dosage can result in the absence of positive therapy effects or even opposite, negative (e.g., inhibitory) effects. The current clinical study provides further evidence of the efficacy of LLLT in the management of lateral and medial epicondylitis.
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