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KMID : 1039620180080060890
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Korean Journal of Family Practice
2018 Volume.8 No. 6 p.890 ~ p.895
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Effects of Knee Osteoarthritis on Lower Extremity Sarcopenia and Quality of Life in Korean Elderly
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Heo Jeong-Hwa
Moon Jeong-Jae
Ryu Seung-Min
Pakr Noh-Cheol
Kang Moon-Young
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Abstract
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Background: Diagnosis of sarcopenia using lower extremity skeletal muscle mass may be useful. This study investigated the relationship between knee osteoarthritis and the prevalence of sarcopenia using lower limb skeletal muscle mass, and the relationship between sarcopenia symptoms and quality of life in knee osteoarthritis.
Methods: We used the 5th Korea National Health and Nutrition Examination Survey data, 2010. The data for 927 Koreans aged ≥65 years were crosssectionally analyzed. Sarcopenia was diagnosed by calculating the lower skeletal muscle index from muscle mass measured using dual energy X-ray absorptiometry. Knee osteoarthritis, clinical symptoms (pain & stiffness), and quality of life were evaluated.
Results: Based on lower extremity skeletal muscle mass, the prevalence of sarcopenia was 9.9% in patients with radiographic knee osteoarthritis, and 9.3% in patients without osteoarthritis. Diagnosis of sarcopenia based on lower extremity skeletal muscle mass showed a significant correlation with clinical symptoms of osteoarthritis and quality of life.
Conclusion: There was no correlation between the presence of knee osteoarthritis and the prevalence of sarcopenia. However, the diagnosis of sarcopenia based on lower extremity skeletal muscle mass is valuable for determining treatment of knee pain and improving quality of life.
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KEYWORD
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Sarcopenia, Osteoarthritis, Lower Extremity Skeletal Muscle Mass Index, Quality of Life
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