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Objectives: Osteoarthritis or arthrosis is one of the most common diseases among older people. It is one the prevalent leading causes of disability and socio-economic burden among the elderly and the society. This study aimed to investigate the effect of Melilotous Officinalis oil on pain and stiffness among older adults with mild to moderate primary knee osteoarthritis.
Methods: This study was a clinical double blind randomized controlled trial ethical number IRCT2016082129461N1. The participants were 61 older adults, 35 (57.2%) female and 26 (43.3) male aged 60 years and over (mean 78±7.79), residing in one nursing home who clinically diagnosed with mild to moderate osteoarthritis based on orthopedic diagnosis. The participants were included in the study based on inclusion and exclusion criteria and signed the consent form. Then they were assigned randomly to one intervention group who received of Melilotous Officinalis oil and one control group who used diclofenac gel based on balanced - block randomization. The data including demographic information and WOMAC: Western Ontario and McMaster Universities Osteoarthritis Index (for pain and stiffness) collected at baseline, 2 weeks and 4 weeks after starting the intervention. The data entered SPSS version 23 and analyzed.
Methods: There was no statistically significant different between the intervention and control group in terms of sociodemographic variables including age, education, marital status, literacy, occupation, smoking, physical activity, chronic diseases and medication at baseline. According to the results of this study pain F (1, 58) = 119.07, p<0.01 and stiffness F (1, 58)= 19.9, p<0.01 improved statistically significant in both intervention group and control group,. However, the effect size was considerable higher in the intervention group than the control group. No considerable adverse effect reported during the study.
Conclusion: compared to diclofenac gel, Melilotous Officinalis oil can improve pain and stiffness among older people with mild to moderate knee osteoarthritis. Therefore, Melilotous Officinalis oil is suggested for improvement pain and stiffness among people with osteoarthritis. Future well designed studies are suggested to determine the mechanism of Melilotous Officinalis oil on decreased pain and stiffness and its effective dosage.
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Type of Study: Research | Subject: gerontology
Received: 2018/05/07 | Accepted: 2018/07/24

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