The Knee · 2025
Serum oxidative stress is associated with the progression of knee osteoarthritis: A 5-year longitudinal cohort in the Yakumo study.
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Ido Hiroaki, Seki Taisuke, Takegami Yasuhiko, Osawa Yusuke, Iida Hiroki, Nakashima Hiroaki, Ishizuka Shinya, Hasegawa Yukiharu, Imagama Shiro
Аннотация
INTRODUCTION: Knee osteoarthritis (KOA) is a chronic degenerative disease characterized by a reduction in joint cartilage in the in-knee joint. However, few reports have investigated the relationship between serum reactive oxygen species (ROS) and KOA. We aimed to investigate whether oxidative stress, assessed using d-ROM and biological antioxidant potential (BAP), is associated with the severity and progression of KOA in community-dwelling individuals.
METHOD: We enrolled 95 participants (190 knees) who participated in the Yakumo Study. We used a computer-aided diagnosis system for KOA to obtain the average joint space width (aJSW), minimal joint space width (mJSW), joint space area (JSA), and femorotibial angle; calculated the difference between JSW and JSA at 5 years and at baseline; and divided the study population into two groups based on median d-ROM and BAP values. Statistical analyses were conducted between the groups, including propensity score matching based on age, sex, body mass index, and medial mJSW at baseline between high d-ROMs (HD) and low d-ROMs (LD) groups.
RESULTS: The median values for the lateral and medial mJSW, aJSW, and JSA were significantly narrower in the HD group than in the LD group. The medial mJSW, aJSW and JSA at the 5-year follow-up were significantly narrower in the HD group than those in the LD group.
CONCLUSIONS: Oxidative stress level was found to be associated with joint space narrowing and progression of joint space narrowing over the course of five years in clinical settings.
METHOD: We enrolled 95 participants (190 knees) who participated in the Yakumo Study. We used a computer-aided diagnosis system for KOA to obtain the average joint space width (aJSW), minimal joint space width (mJSW), joint space area (JSA), and femorotibial angle; calculated the difference between JSW and JSA at 5 years and at baseline; and divided the study population into two groups based on median d-ROM and BAP values. Statistical analyses were conducted between the groups, including propensity score matching based on age, sex, body mass index, and medial mJSW at baseline between high d-ROMs (HD) and low d-ROMs (LD) groups.
RESULTS: The median values for the lateral and medial mJSW, aJSW, and JSA were significantly narrower in the HD group than in the LD group. The medial mJSW, aJSW and JSA at the 5-year follow-up were significantly narrower in the HD group than those in the LD group.
CONCLUSIONS: Oxidative stress level was found to be associated with joint space narrowing and progression of joint space narrowing over the course of five years in clinical settings.