title: Clinical outcomes of the Cadenat procedure in the treatment of acromioclavicular joint dislocations.
abstract: We report our clinical experience using the modified Cadenat method to treat acromioclavicular joint dislocation, and discuss the usefulness of this method. This study examined 6 shoulders in 6 patients (5 males, 1 female) who were diagnosed with acromioclavicular joint dislocation and treated with the modified Cadenat method at our hospital. Average age at onset was 49.3 years (26-78 years), average time interval from injury until surgery was 263.8 days (10 to 1100 days), and the average follow-up period was 21.7 months (12 to 42 months). Post-operative assessment was performed using plain radiographs to determine shoulder joint dislocation rate and Japanese Orthopaedic Association (JOA) score. The average post-operative JOA score was 94.1 points (91 to 100 points). The acromioclavicular joint dislocation rate improved from 148.7% (72 to 236%) before surgery to 28.6% (0 to 60%) after surgery. Conservative treatment has been reported to achieve good outcomes in acromioclavicular joint dislocations. However, many patients also experience chronic pain or a sensation of fatigue upon putting the extremity in an elevated posture, and therefore ensuring the stability of the acromioclavicular joint is crucial for highly active patients. In this study, we treated acromioclavicular joint dislocations by the modified Cadenat method, and were able to achieve favorable outcomes.
authors.affiliation: Department of Orthopedic Surgery, Kurume University Medical Center.
authors.forename: Hiroaki
authors.initials: H
authors.lastname: Moriyama
authors.forename: Masafumi
authors.initials: M
authors.lastname: Gotoh
authors.forename: Yasuhiro
authors.initials: Y
authors.lastname: Mitsui
authors.forename: Eiichirou
authors.initials: E
authors.lastname: Yoshikawa
authors.forename: Takuya
authors.initials: T
authors.lastname: Uryu
authors.forename: Takahiro
authors.initials: T
authors.lastname: Okawa
authors.forename: Fujio
authors.initials: F
authors.lastname: Higuchi
authors.forename: Masahiro
authors.initials: M
authors.lastname: Shirahama
authors.forename: Naoto
authors.initials: N
authors.lastname: Shiba
mesh_terms: D000173:Acromioclavicular Joint / Q000000981:diagnostic imaging / Q000503:physiopathology*; D000328:Adult; D000368:Aged; D001696:Biomechanical Phenomena; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged; D019637:Orthopedic Procedures / Q000379:methods*; D011859:Radiography; D016059:Range of Motion, Articular; D020127:Recovery of Function; D012783:Shoulder Dislocation / Q000175:diagnosis / Q000503:physiopathology / Q000628:therapy*; D016896:Treatment Outcome