The purpose of the present study was to assess the effectiveness of low-level laser therapy on the reduction in pain and improvement in function in the hands of patients with rheumatoid arthritis
Rheumatoid arthritis (RA) is a chronic inflammatory disease of unknown etiology that basically compromises the joints in a generalized, symmetrical, additive and usually progressive manner. This clinical condition includes pain and altered functionality. Low-level laser therapy (LLLT) has been studied since the 1970s with regard to its therapeutic effects. The literature suggests that it offers analgesic as well as anti-inflammatory benefits. A number of studies carried out in the laboratory and on animals have shown that LLLT contributes toward the treatment of inflammatory joint disease. However, studies on humans with RA have yielded controversial results. A large part of the authors researched state that further randomized double-blind controlled studies should be carried out to prove the effectiveness of LLLT on RA. Thus, the aim of the present study was to assess the effectiveness of LLLT on the reduction in pain and improvement in function in the hands of patients with RA.
Study Type
INTERVENTIONAL
Allocation
RANDOMIZED
Purpose
TREATMENT
Masking
TRIPLE
Enrollment
82
The laser used was low-level Aluminum Gallium Arsenide (AlGaAs)diodo laser, at a wavelength of 785 nm (infrared), dose of 3 J/cm2, mean power of 70 mW, 3 sec. per point, laser beam of 0,06cm2, BIOSET brand - Indústria de Tecnologia Eletrônica Ltda -Rio Claro, Brazil.
disconnected laser (same device - experimental group)
Federal University of Sao Paulo
São Paulo, São Paulo, Brazil
pain
Time frame: 2 months
function
Time frame: 2 months
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