title: Arthroscopic-assisted hook plate fixation for acromioclavicular joint dislocation.
abstract: OBJECTIVE
  We present a new technique of arthroscopic-assisted AC-hook plate fixation for acromioclavicular joint dislocation with all the advantages of minimally invasive surgery and the possibility to treat concomitant pathologies.
  
  
  METHODS
  Initially a glenohumeral arthroscopy is performed to address concomitant intra-articular injuries. Under subacromial visualisation the drill hole for the hook of the plate can be exactly positioned in the acromion. The hook plate is put in place under visual control.
  
  
  RESULTS
  The initial results (n = 3) are promising with good to excellent results in the Constant score [90.5 (range 82-100)] in all cases studied. The cross-body test was slightly positive in one case. The median follow-up time after the index procedure was seven months (range five to ten).
  
  
  CONCLUSIONS
  In conclusion, arthroscopic-assisted reconstruction of acromioclavicular joint separation is feasible and may provide patients with all the benefits of AC-hook fixation with decreased risks related to open surgery. The described technique is recommended for all surgeons familiar with arthroscopic surgery.
authors.affiliation: Department of Orthopaedics and Trauma Surgery, University of Schleswig-Holstein, Luebeck, Germany. gille@biomechatronics.de
authors.forename: Justus
authors.initials: J
authors.lastname: Gille
authors.forename: Gerhard
authors.initials: G
authors.lastname: Heinrichs
authors.forename: Andreas
authors.initials: A
authors.lastname: Unger
authors.forename: Helge
authors.initials: H
authors.lastname: Riepenhof
authors.forename: Jan
authors.initials: J
authors.lastname: Herzog
authors.forename: Benjamin
authors.initials: B
authors.lastname: Kienast
authors.forename: Ralf
authors.initials: R
authors.lastname: Oheim
mesh_terms: D000173:Acromioclavicular Joint / Q000293:injuries / Q000601:surgery*; D000203:Activities of Daily Living; D019643:Arthroplasty, Replacement / Q000295:instrumentation / Q000379:methods*; D001182:Arthroscopy / Q000379:methods*; D001860:Bone Plates; D006801:Humans; D007595:Joint Prosthesis; D012783:Shoulder Dislocation / Q000601:surgery*; D016896:Treatment Outcome