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Recherche : Laser Therapy In Cervical Osteoarthritis

Posté par administration le 01/12/2008 09:00:00 (484 lectures)

The Clinical Efficacy Of Low-Power Laser Therapy On Pain And Function In Cervical Osteoarthritis.

Ozdemir F, Birtane M, Kokino S. Department of Physical Therapy and Rehabilitation, Medical Faculty of Trakya University, Edirne, Turkey.

Pain is a major symptom in cervical osteoarthritis (COA). Low-power laser (LPL) therapy has been claimed to reduce pain in musculoskeletal pathologies, but there have been concerns about this point. The aim of this study was to evaluate the analgesic efficacy of LPL therapy and related functional changes in COA. Sixty patients between 20 and 65 years of age with clinically and radiologically diagnosed COA were included in the study. They were randomised into two equal groups according to the therapies applied, either with LPL or placebo laser. Patients in each group were investigated blindly in terms of pain and pain-related physical findings, such as increased paravertebral muscle spasm, loss of lordosis and range of neck motion restriction before and after therapy. Functional improvements were also evaluated. Pain, paravertebral muscle spasm, lordosis angle, the range of neck motion and function were observed to improve significantly in the LPL group, but no improvement was found in the placebo group. LPL seems to be successful in relieving pain and improving function in osteoarthritic diseases.

Clin Rheumatol 2001;20(3):181-4

Recherche : Osteoarthritis Of The Knee Treated With Laser Therapy

Posté par administration le 01/12/2008 09:00:00 (918 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

Recherche : Low Level Laser Therapy For Pain From Chronic Joint Disorders

Posté par administration le 01/12/2008 08:54:21 (514 lectures)

A Systematic Review Of Low Level Laser Therapy With Location-Specific Doses For Pain From Chronic Joint Disorders.

Bjordal JM, Couppe Roberta C, Chow RT, Tuner J, Ljunggren EA. Section of Physiotherapy Science, University of Bergen, Bergen, 5020, Norway. jmb@hib.no

We investigated if low level laser therapy (LLLT) of the joint capsule can reduce pain in chronic joint disorders. A literature search identified 88 randomised controlled trials, of which 20 trials included patients with chronic joint disorders. Six trials were excluded for not irradiating the joint capsule. Three trials used doses lower than a dose range nominated a priori for reducing inflammation in the joint capsule. These trials found no significant difference between active and placebo treatments. The remaining 11 trials including 565 patients were of acceptable methodological quality with an average PEDro score of 6.9 (range 5-9). In these trials, LLLT within the suggested dose range was administered to the knee, temporomandibular or zygapophyseal joints. The results showed a mean weighted difference in change of pain on VAS of 29.8 mm (95% CI, 18.9 to 40.7) in favour of the active LLLT groups. Global health status improved for more patients in the active LLLT groups ( relative risk of 0.52; 95% CI 0.36 to 0.76). Low level laser therapy with the suggested dose range significantly reduces pain and improves health status in chronic joint disorders, but the heterogeneity in patient samples, treatment procedures and trial design calls for cautious interpretation of the results.

Aust J Physiother 2003;49(2):107-16

Recherche : Diode Laser In Cervical Myofascial Pain

Posté par administration le 01/12/2008 08:44:06 (486 lectures)

Diode Laser In Cervical Myofascial Pain: A Double-Blind Study Versus Placebo

F. Ceccherelli, L. Altafini, G. Lo Castro, A. Avila, F. Ambrosio, and G. P. Giron Institute of Anesthesiology and Intensive Care, University of Padua, and the Associazione Italiana per la Ricerca e, l'Aggiornamento Scientif co, Padua, Italy

Summary. We present a double-blind trial in which a pulsed infrared beam was compared with a placebo in the treatment of myofascial pain in the cervical region. The patients were submitted to 12 sessions on alternate days to a total energy dose of 5 J each. At each session, the four most painful muscular trigger points and five bilateral homometameric acupuncture points were irradiated. Those in the placebo group submitted to the same number of sessions following an identical procedure, the only difference being that the laser apparatus was non operational. Pain was monitored using the Italian version of the McGill pain questionnaire and the Scott- Huskisson visual analogue scale. The results show a pain attenuation in the treated group and a statistically significant difference between the two groups of patients, both at the end of therapy and at the 3-month followup examination.

The Clinical Journal of Pain 5:301-304

Recherche : Low Level Laser Therapy ( LLLT) Of Tendinitis

Posté par administration le 01/12/2008 08:40:00 (486 lectures)

Low Level Laser Therapy ( LLLT) Of Tendinitis And Myofascial Pains A Randomized, Double-Blind, Controlled Study

Mimmi Logdberg-Anderssont1, Sture Mutzell2, and Ake Hazel3

1: Akersberga Health Care Centre,

2: Danderyd University Hospital, Danderyd, and

3: Vaxholm Health Care Centre, Stockholm, Sweden.

The purpose of this randomised, double-blind study was to examine the effect of GaAs laser therapy for tendinitis and myofascial pain in a sample from the general population of Akersberga in the northern part of Greater Stockholm. 176 patients (of an original group of 200) completed the scheduled course of treatment. The patients were assigned randomly to either a laser group (92 patients, of whom 74 had tendinitis, completed the study) or a placebo group (84 patients, of whom 68 had tendinitis, completed the study). All 176 patients received six treatments during a period of 3-4 weeks. Their pain was estimated objectively using a pain threshold meter, and subjectively with a visual analogue scale before, at the end of, and four weeks after the end of treatment. Low Level Laser Therapy had a significant, positive effect compared with placebo measured from the first assessment to the third assessment, four weeks after the end of treatment. Laser treatment was most effective on acute tendinitis.

Laser Therapy, 1997:9: 79-86