title: Treatment of Rockwood type III acromioclavicular joint dislocation using autogenous semitendinosus tendon graft and endobutton technique.
abstract: BACKGROUND
  The aim of this study was to evaluate the therapeutic effect of autogenous semitendinosus graft and endobutton technique, and compare with hook plate in treatment of Rockwood type III acromioclavicular (AC) joint dislocation.
  
  
  METHODS
  From April 2012 to April 2013, we treated 46 patients with Rockwood type III AC joint dislocation. Patients were randomly divided into two groups: Group A was treated using a hook plate and Group B with autogenous semitendinosus graft and endobutton technique. All participants were followed up for 12 months. Radiographic examinations were performed every 2 months postoperatively, and clinical evaluation was performed using the Constant-Murley score at the last follow-up.
  
  
  RESULTS
  Results indicated that patients in Group B showed higher mean scores (90.3±5.4) than Group A (80.4±11.5) in terms of Constant-Murley score (P=0.001). Group B patients scored higher in terms of pain (P=0.002), activities (P=0.02), range of motion (P<0.001), and strength (P=0.004). In Group A, moderate pain was reported by 2 (8.7%) and mild pain by 8 (34.8%) patients. Mild pain was reported by 1 (4.3%) patient in Group B. All patients in Group B maintained complete reduction, while 2 (8.7%) patients in Group A experienced partial reduction loss. Two patients (8.7%) encountered acromial osteolysis on latest radiographs, with moderate shoulder pain and limited range of motion.
  
  
  CONCLUSIONS
  Autogenous semitendinosus graft and endobutton technique showed better results compared with the hook plate method and exhibited advantages of fewer complications such as permanent pain and acromial osteolysis.
authors.affiliation: Department of Orthopedics, the People's Hospital of Huangpi District, Wuhan City, People's Republic of China.
authors.forename: Gang
authors.initials: G
authors.lastname: Ye
authors.affiliation: Department of Orthopedics, the People's Hospital of Huangpi District, Wuhan City, People's Republic of China.
authors.forename: Chao-An
authors.initials: CA
authors.lastname: Peng
authors.affiliation: Department of Orthopedics, the People's Hospital of Huangpi District, Wuhan City, People's Republic of China.
authors.forename: Hua-Bin
authors.initials: HB
authors.lastname: Sun
authors.affiliation: Department of Orthopedics, the People's Hospital of Huangpi District, Wuhan City, People's Republic of China.
authors.forename: Jing
authors.initials: J
authors.lastname: Xiao
authors.affiliation: Department of Orthopedics, the People's Hospital of Huangpi District, Wuhan City, People's Republic of China.
authors.forename: Kang
authors.initials: K
authors.lastname: Zhu
keywords: Rockwood type III acromioclavicular joint dislocation; autogenous semitendinosus graft; endobutton; hook plate
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