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Phototherapy and physical exercise program in patients with knee osteoarthritis: a triple blind randomized controlled trial.

Grant number: 16/08503-0
Support type:Scholarships in Brazil - Doctorate
Effective date (Start): November 01, 2016
Effective date (End): November 30, 2020
Field of knowledge:Health Sciences - Medicine
Principal researcher:Ana Claudia Muniz Renno
Grantee:Patrícia Gabrielli Vassão Alves Arakaki
Home Institution: Instituto de Saúde e Sociedade (ISS). Universidade Federal de São Paulo (UNIFESP). Campus Baixada Santista. Santos , SP, Brazil
Associated scholarship(s):19/01301-0 - Investigation of pre-conditioning and post-operative photobiomodulation therapy (PBMT) for knee arthroplasty (ka), BE.EP.DR

Abstract

Population aging is closely related to the increase in chronic degenerative diseases. About 10% of people aged over 55 years experience pain and inactivation of knee OA, mainly female. Its manifestation is most common in the knee and its progression can cause pain and disability. In this context, the approach of non-pharmacological treatments such as exercise has to be effective. In addition, resources such as phototherapy have shown promising results Thus, the aim of this study is to investigate the phototherapy effects and a physical exercise protocol resistive, in combination or alone, in pain, functionality, mobility, quality of life, serum degradation biomarkers articular cartilage and muscle strength in patients with knee OA. Will be evaluated 50 patients with OA of the knee will be evaluated and randomized into five groups: Control group (CG, n = 10) without any intervention, Exercise and Laser Group (ELG, n = 10) treatment through exercise protocol associated with active laser irradiation; Exercise and Laser Placebo Group (EPG, n = 10) treatment through exercise protocol associated with placebo laser irradiation; Laser Group (LG, n = 10) treatment alone LLLT irradiation and the Placebo Group (GP, n = 10) treatment alone placebo laser irradiation. The operations will be performed 2x / week for 8 weeks. The exercise program will include heating, strengthening exercises and stretching major muscle groups of the lower limbs for 30 minutes. The cluster (850nm , 100mW , 4 J / point total 56J) will be applied in lower limb more affected. Evaluation and re-evaluation will be applied Questionnaires as the Western Ontario and McMaster Universities Osteoarthritis Index (WOMAC), Lequesne and Visual Analog Scale of Pain (VAS). In addition, will be applied Timed Up and Go test (TUGT), Short Physical Battery Performance (SPPB), six-minute walk test (6MWT), collections of blood samples for analysis of serum cartilage degradation biomarkers articulate and strength evaluation of lower limbs with load cell. For the data analysis, the normality terms distribution sample will be ascertained to the choice of appropriate statistical tests.

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Scientific publications
(References retrieved automatically from Web of Science and SciELO through information on FAPESP grants and their corresponding numbers as mentioned in the publications by the authors)
VASSAO, PATRICIA GABIELLI; PARISI, JULIA; CAMPOS PENHA, THAISE FERNANDA; BALAO, ANA BEATRIZ; MUNIZ RENNO, ANA CLAUDIA; AVILA, MARIANA ARIAS. Association of photobiomodulation therapy (PBMT) and exercises programs in pain and functional capacity of patients with knee osteoarthritis (KOA): a systematic review of randomized trials. Lasers in Medical Science, JAN 2021. Web of Science Citations: 0.
VASSAO, PATRICIA GABRIELLI; DE SOUZA, MAYRA CAVENAGUE; SILVA, BRUNA ARCAIM; JUNQUEIRA, RHEGUEL GRILLO; DE CAMARGO, MARCELA REGINA; DOURADO, VICTOR ZUNIGA; TUCCI, HELGA TATIANA; RENNO, ANA CLAUDIA. Photobiomodulation via a cluster device associated with a physical exercise program in the level of pain and muscle strength in middle-aged and older women with knee osteoarthritis: a randomized placebo-controlled trial. Lasers in Medical Science, v. 35, n. 1, p. 139-148, FEB 2020. Web of Science Citations: 1.

Please report errors in scientific publications list by writing to: cdi@fapesp.br.