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Study aim
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Comparison of the effect of topical cortico-steroid and high-level laser therapy on pes anserine bursitis thickness, pain intensity of knee and quality of life in patients with acute PAB
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Design
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A clinical trial with a control group, with parallel groups, single blind, randomized phase 3 will be performed on 60 patients. The envelope method will be used for randomization.
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Settings and conduct
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This study will be performed to compare two rehabilitation methods in patients with acute pes anserine bursitis in the physical medicine clinic of Besat Hospital in Hamadan. The evaluator will be blinded to the patients' group therapy. Group A will use a gallium arsenide diode laser (model 4 cube-laser-K) with a wavelength of 1064 nm, an output power of 8 watts, and an average energy intensity of 4 joules per square centimeter. Group B will receive a topical injection of corticosteroids under a sono guide of 1 ml of triamcinolone and 1 ml of 2% lidocaine as a single dose.
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Participants/Inclusion and exclusion criteria
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Inclusion criteria: diagnosis of PAB according to clinical criteria and imaging finding, and age 18-65 years, Non-entry criteria: Comorbidity with rheumatoid arthritis, and treated with corticosteroids at study time or during the last 4 months
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Intervention groups
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Group A will be use of gallium aluminum arsenide diode laser (model 4 cube-laser-K) with a wavelength of 1064 nm, an output power of 8 watts, and an average energy intensity of 4 joules per square centimeter. The total duration of treatment in each session will be 5-7 minutes for 3 consecutive weeks (5 sessions).
Group B will receive topical corticosteroid injections under sono guide 1 ml triamcinolone with 1 ml lidocaine 2% single dose.
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Main outcome variables
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Pes Anserin changes including thickness, tendonitis and bursitis, severity of knee pain, quality of life associated with knee pain