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- Title
Tenderness of the knee is associated with thinning of the articular cartilage evaluated with ultrasonography in a community-based cohort: The Nagahama study.
- Authors
Motoo Saito; Kohei Nishitani; Hiromu Ito; Tome Ikezoe; Moritoshi Furu; Akinori Okahata; Kazuya Nigoro; Tomotoshi Kawata; Shinichiro Nakamura; Shinichi Kuriyama; Yasuharu Tabara; Noriaki Ichihashi; Tadao Tsuboyama; Fumihiko Matsuda; Shuichi Matsuda
- Abstract
Objectives: This study aimed to elucidate the association between joint line tenderness (JLT) of the knee and knee joint structural changes evaluated with ultrasonography (US) for the early diagnosis of knee osteoarthritis (KOA). Methods: This cross-sectional study included 121 participants (age 71.7±5.8 years, 75 women) from a community-based population. Bilateral structural changes in the knee joint were evaluated with US, and the presence or absence of JLT was evaluated using a pressure algometer. Logistic regression analysis was performed to evaluate the odds ratios (ORs) of US findings for the presence of JLT. Moreover, when the analysis was limited to knees with pre-/early radiographic KOA, the ORs were also calculated using logistic regression analysis. Results: Among the 242 knees, 38 had medial JLT, which was significantly associated with female sex (OR 11.87) and loss of cartilage thickness of the distal medial femoral condyle (CTh-MFC) (OR 0.12). Among 96 knees with Kellgren--Lawrence grade ≤2, 18 knees had medial JLT, which was also significantly associated with loss of CTh-MFC (OR 0.07) and medial osteophytes (OR 2.01). Conclusions: JLT is significantly associated with thinning of the femoral cartilage and larger osteophytes in elderly patients, even in those with pre-/early radiographic KOA.
- Subjects
ARTICULAR cartilage; ULTRASONIC imaging; KNEE; COHORT analysis
- Publication
Modern Rheumatology, 2022, Vol 32, Issue 3, p658
- ISSN
1439-7595
- Publication type
Article
- DOI
10.1093/mr/roab040