Abstract
IntroductionNumerous techniques have been introduced for the treatment of acute acromioclavicular (AC) joint dislocation. We aim to report the midterm results of coracoclavicular (CC) stabilization with double augmentation for the acute AC joint dislocation.Case descriptionForty-three patients who underwent surgery for acute AC joint dislocation were followed up for an average of 59.6 months (range 40–97). The study composed of two treatment groups: group S, with 25 patients, in whom two suture anchors were used; and group B, with 18 patients, in whom a suture anchor and a double flip-button device were used, however the techniques in both groups are based on the same principle which is double augmentation. Postoperative evaluations were made retrospectively, clinically, and radiographically.Discussion and EvaluationAt the last follow-up, the mean Constant score was 91.2 (range 74–100) and the UCLA scale was 31.4 (range 24–35). The overall ratio of the CC distance in the injured shoulder to that in the uninjured shoulder, expressed as a percentage, significantly decreased, to 93.4 ± 22.7 %, immediate postoperatively, and significantly increased, to 113.8 ± 23.4 %, at the final follow-up. Complete reduction of the AC joint was achieved in 34 patients (79.1 %), and 8 patients (18.6 %) exhibited a slight loss of reduction, although their functional outcomes were good.ConclusionsThe results of this study provide evidence that double augmentation is effective in the treatment of acute AC dislocation.Level of evidenceTherapeutic study, case series, Level IV.
Highlights
Numerous techniques have been introduced for the treatment of acute acromioclavicular (AC) joint dislocation
The results of this study provide evidence that double augmentation is effective in the treatment of acute AC dislocation
The treatment of Rockwood grade III dislocations is a subject of debate (Dimakopoulos et al 2006; Murena et al 2013); current treatments range from functional treatments to complex surgical repairs (Mazzocca et al 2007)
Summary
Numerous techniques have been introduced for the treatment of acute acromioclavicular (AC) joint dislocation. Surgical treatment may be considered for acute AC joint dislocations classified as Rockwood. Choi et al SpringerPlus (2016) 5:1858 grades IV to VI and for acute Rockwood grade III injuries among younger, active patients, high-level athletes and manual laborers (Lemos 1998). The treatment of Rockwood grade III dislocations is a subject of debate (Dimakopoulos et al 2006; Murena et al 2013); current treatments range from functional treatments to complex surgical repairs (Mazzocca et al 2007). Non-operative treatment often results in excellent clinical outcome and painless shoulder function, some patients may suffer from chronic instability and pain (Calvo et al 2006; Taft et al 1987). We reasoned that Rockwood grade III injuries were excluded from this study
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