Hip Joint Effusion-Synovitis Is Associated With Hip Pain and Sports/Recreation Function in Female Professional Ballet Dancers. Issue 4 (July 2020)

• Record Type: Journal Article
• Authors: Mayes, Susan; Ferris, April-Rose; Smith, Peter; Cook, Jill
• Is Part Of: Clinical journal of sport medicine. Volume 30:Issue 4(2020)
• Publication Date: 2020-07
• Subjects: effusion -- synovitis -- ballet -- dance -- sport -- MRI; Sports medicine -- Periodicals; 617.1027
• DOI: 10.1097/JSM.0000000000000595
• Languages: English
• ISSNs: 1050-642X

Abstract

Abstract : Objective: To compare hip joint effusion-synovitis prevalence in professional ballet dancers with nondancing athletes and to evaluate the relationship between effusion-synovitis and clinical measures and cartilage defects. Design: Case–control study. Setting: Elite ballet and sport. Participants: Forty-nine professional ballet dancers and 49 age-matched and sex-matched athletes. Independent Variables: Group (dancers/athletes), sex, age, years of training, Copenhagen Hip and Groin Outcome Scores (HAGOSs), hip rotation range of motion (ROM), generalized joint hypermobility (GJH), and hip cartilage defect scores. Main Outcome Measures: Hip joint effusion-synovitis (absent, grade 1 = 2-4 mm, grade 2 = >4 mm) scored with 3-Tesla magnetic resonance imaging. Results: Hip joint effusion-synovitis was found in 22 (45%) dancers and 13 (26.5%) athletes ( P = 0.06). Grade 2 effusion-synovitis was only found in dancers (n = 8, r = 0.31, P = 0.009). The prevalence of effusion-synovitis was similar in men (n = 11, 26%) and women (n = 24, 43%, P = 0.09). Female dancers with effusion-synovitis had lower HAGOS pain (r = 0.63, P = 0.001) and sports/recreation scores (r = 0.66, P = 0.001) compared with those without effusion-synovitis. The HAGOS scores were not related to effusion-synovitis in male dancers or female and male athletes ( P > 0.01 for all). Effusion-synovitis was not related to hip ROM, GJH, or cartilage defect scores ( P > 0.05 for all). Conclusions: Hip joint effusion-synovitis was related to higher levels of pain and lower sports/recreation function in female ballet dancers. Effusion-synovitis was not related to hip rotation ROM, GJH or cartilage defects. Larger sized joint effusion-synovitis was exclusively found in dancers.