Efficacy of low level laser therapy associated with exercises in knee osteoarthritis : a randomized double-blind study
OBJECTIVES: To estimate the effects of low level laser therapy in combination with a programme of exercises on pain, functionality, range of motion, muscular strength and quality of life in patients with osteoarthritis of the knee.
DESIGN: A randomized double-blind placebo-controlled trial with sequential allocation of patients to different treatment groups.
SETTING: Special Rehabilitation Services.
SUBJECTS: Forty participants with knee osteoarthritis, 2-4 osteoarthritis degree, aged between 50 and 75 years and both genders.
INTERVENTION: Participants were randomized into one of two groups: the laser group (low level laser therapy dose of 3 J and exercises) or placebo group (placebo laser and exercises).
MAIN MEASURES: Pain was assessed using a visual analogue scale (VAS), functionality using the Lequesne questionnaire, range of motion with a universal goniometer, muscular strength using a dynamometer, and activity using the Western Ontario and McMaster Universities Osteoarthritis (WOMAC) questionnaire at three time points: (T1) baseline, (T2) after the end of laser therapy (three weeks) and (T3) the end of the exercises (11 weeks).
RESULTS: When comparing groups, significant differences in the activity were also found (P = 0.03). No other significant differences (P > 0.05) were observed in other variables. In intragroup analysis, participants in the laser group had significant improvement, relative to baseline, on pain (P = 0.001), range of motion (P = 0.01), functionality (P = 0.001) and activity (P < 0.001). No significant improvement was seen in the placebo group.
CONCLUSION: Our findings suggest that low level laser therapy when associated with exercises is effective in yielding pain relief, function and activity on patients with osteoarthritis of the knees.
| Medienart: |
E-Artikel |
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| Erscheinungsjahr: |
2012 |
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| Erschienen: |
2012 |
| Enthalten in: |
Zur Gesamtaufnahme - volume:26 |
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| Enthalten in: |
Clinical rehabilitation - 26(2012), 6 vom: 12. Juni, Seite 523-33 |
| Sprache: |
Englisch |
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| Beteiligte Personen: |
Alfredo, Patrícia Pereira [VerfasserIn] |
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| Links: |
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| Themen: |
Journal Article |
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| Anmerkungen: |
Date Completed 27.09.2012 Date Revised 21.03.2022 published: Print-Electronic Citation Status MEDLINE |
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| doi: |
10.1177/0269215511425962 |
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| funding: |
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| Förderinstitution / Projekttitel: |
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| PPN (Katalog-ID): |
NLM213859017 |
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| 100 | 1 | |a Alfredo, Patrícia Pereira |e verfasserin |4 aut | |
| 245 | 1 | 0 | |a Efficacy of low level laser therapy associated with exercises in knee osteoarthritis |b a randomized double-blind study |
| 264 | 1 | |c 2012 | |
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| 500 | |a Date Revised 21.03.2022 | ||
| 500 | |a published: Print-Electronic | ||
| 500 | |a Citation Status MEDLINE | ||
| 520 | |a OBJECTIVES: To estimate the effects of low level laser therapy in combination with a programme of exercises on pain, functionality, range of motion, muscular strength and quality of life in patients with osteoarthritis of the knee | ||
| 520 | |a DESIGN: A randomized double-blind placebo-controlled trial with sequential allocation of patients to different treatment groups | ||
| 520 | |a SETTING: Special Rehabilitation Services | ||
| 520 | |a SUBJECTS: Forty participants with knee osteoarthritis, 2-4 osteoarthritis degree, aged between 50 and 75 years and both genders | ||
| 520 | |a INTERVENTION: Participants were randomized into one of two groups: the laser group (low level laser therapy dose of 3 J and exercises) or placebo group (placebo laser and exercises) | ||
| 520 | |a MAIN MEASURES: Pain was assessed using a visual analogue scale (VAS), functionality using the Lequesne questionnaire, range of motion with a universal goniometer, muscular strength using a dynamometer, and activity using the Western Ontario and McMaster Universities Osteoarthritis (WOMAC) questionnaire at three time points: (T1) baseline, (T2) after the end of laser therapy (three weeks) and (T3) the end of the exercises (11 weeks) | ||
| 520 | |a RESULTS: When comparing groups, significant differences in the activity were also found (P = 0.03). No other significant differences (P > 0.05) were observed in other variables. In intragroup analysis, participants in the laser group had significant improvement, relative to baseline, on pain (P = 0.001), range of motion (P = 0.01), functionality (P = 0.001) and activity (P < 0.001). No significant improvement was seen in the placebo group | ||
| 520 | |a CONCLUSION: Our findings suggest that low level laser therapy when associated with exercises is effective in yielding pain relief, function and activity on patients with osteoarthritis of the knees | ||
| 650 | 4 | |a Journal Article | |
| 650 | 4 | |a Randomized Controlled Trial | |
| 650 | 4 | |a Research Support, Non-U.S. Gov't | |
| 700 | 1 | |a Bjordal, Jan Magnus |e verfasserin |4 aut | |
| 700 | 1 | |a Dreyer, Sílvia Helena |e verfasserin |4 aut | |
| 700 | 1 | |a Meneses, Sarah Rúbia Ferreira |e verfasserin |4 aut | |
| 700 | 1 | |a Zaguetti, Giovana |e verfasserin |4 aut | |
| 700 | 1 | |a Ovanessian, Vanessa |e verfasserin |4 aut | |
| 700 | 1 | |a Fukuda, Thiago Yukio |e verfasserin |4 aut | |
| 700 | 1 | |a Junior, Washington Steagall |e verfasserin |4 aut | |
| 700 | 1 | |a Lopes Martins, Rodrigo Álvaro Brandão |e verfasserin |4 aut | |
| 700 | 1 | |a Casarotto, Raquel Aparecida |e verfasserin |4 aut | |
| 700 | 1 | |a Marques, Amélia Pasqual |e verfasserin |4 aut | |
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