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[Purpose] Until 1992 we had been performing modified Phemistef's procedure and coraco-clavicular ligament reconstruction with an artificial ligament for acromioclavicular dislocations. Since 1993 we have been employing modified Cadenat's procedures. The purpose of this study was to evaluate these three different procedures for acromioclavicular dislocations.
[Materials and methods] This study involved 25 patients with a mean age at surgery of 34.6 years (range 15-76). A modified Phemister's procedure was performed on 10 patients and a coraco-clavicular ligament reconstruction with an artificial ligament was performed on 6 patients. Nine patients were treated with a modified Cadenat's procedure.
[Results] At the final follow-up, the radiographic evaluations showed 5 residual subluxations of the 10 patients treated with a modified Phemister's procedure, and 4 residual subluxations and 1 dislocation of the 9 patients treated with a modified Cadenat's procedure. In six patients treated with a coracoclavicular ligament reconstruction with an artificial ligament, three patients showed subluxations and 2 patients showed dislocations. Using Kawabe's rating system, clinical results were excellent in 13 patients (52%), good in 7 patients (28%), fair in 5 patients (20%). The differences in these three different procedures were not significant.
[Conclusion] Modified Phemister's procedures and modified Cadenat's procedures for acromioclavicular dislocations showed satisfactory results in both radiographic evaluations and clinical results. Coracoclavicular ligament reconstructions with an artificial ligament showed poor results radiographically, and did not seem to lead to any unsatisfactory clinical outcomes.
