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Recherche : Osteoarthritis Of The Knee Treated With Laser Therapy
Posté par drdesforges le 01/12/2008 08:00:00 (12335 lectures)

Improvement Of Pain And Disability In Elderly Patients With Degenerative Osteoarthritis Of The Knee Treated With Narrow-Band Light Therapy.


Jean Stelian, MD, Israel Gil, MD, Beni Habot, MD, Michal Rosenthal, MD, Iulian Abramovici, MD, Nathalia Kutok, MD, and Auni Khahil, MD


Objective: To evaluate the effects of low-power light therapy on pain and disability in elderly patients with degenerative osteoarthritis in the knee.

Design: Partially double-blinded, fully randomized trial comparing red, infrared, and placebo light emitters.

Patients: Fifty patients with degenerative osteoarthritis of both knees were randomly assigned to three treatment groups: red (15 patients), infrared (18 patients) and placebo (17 patients). Infrared and placebo emitters were double-blinded.

Interventions: Self-applied treatment to both sides of the knee for 15 minutes twice a day for 10 days.

Main Outcome Measures: Short-Form McGill Pain Questionnaire, Present Pain Intensity, and Visual Analogue Scale for pain and Disability Index Questionnaire for disability were used. We evaluated pain and disability before and on the tenth day of therapy. The period from the end of the treatment until the patient's request to be retreated was summed up 1 year after the trial.

Results: Pain and disability before treatment did not show statistically significant differences between the three groups. Pain reduction in the red and infrared groups after the treatment was more than 50% in all scoring methods (P < 0.05). There was no significant pain improvement in the placebo group. We observed significant functional improvement in red and infrared treated groups (p < 0.05), but not in the placebo group. The period from the end of treatment until the patients required retreatment was longer for red and infrared groups than for the placebo group (4.2 ± 3.0, 6.1 ± 3.2, and 0.53 ± 0.62 months, for red, infrared, and placebo respectively)

Conclusions: Low-power light therapy is effective in relieving pain and disability in degenerative osteoarthritis of the knee. J Am Geriatr Soc 40:23-26, 1992. Degenerative osteoarthritis (DOA) is the most common rheumatic disorder of man and causes pain and disability especially in elderly people.1 Autopsy surveys show that degenerative changes in joints begin as early as the second decade of life. 2 Roentgenographic studies conducted in the United States showed osteoarthritic changes in 4 percent of persons under 24 years of age in 85 percent at 75 to 79 years of age. Symptomatic manifestations of osteoarthritis increase with ageing, reflecting disease changes that begin in early life and progress slowly over a period of many decades. 3-4

J Am Geriatr Soc. 1992; 40: 23-26


Tags: laser-doux   blessures-sportives  

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L'équipe Olympique Américaine utilise le laser doux

Le laser doux que nous utilisons impressionne le directeur du centre d'entrainement olympique américain. Ryan Edward III, directeur du département de médecine sportive pour les États-Unis, au centre d'entrainement olympique, note que les athlètes ont ressenti une forte diminution de leur douleur et  un augmentation de l'amplitude de mouvements lorsqu'ils sont traités avec notre laser doux, en particulier dans les phases aiguës des blessures. Il a également remarqué une réduction du temps de guérison pour une variété de conditions. Il considère que le laser doux a été un outil valable pour le traitement et la réadaptation au cours de la préparation et lors des jeux olympiques d'Athènes, contribuant au soulagement des douleurs des athlètes dans des moments critiques.

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