Ankle fractures represent an exceptionally common injury within the elderly population. The total incidence of ankle fractures has been reported to be up to 184 fractures per 100,000 persons per year, of which 20 to 30 percent occur in the elderly. This study reports the results of operative management of ankle fractures in the elderly, with regard to functional outcome and complication rates. This was a retrospective, non-randomized observational study. Subjects were identified from a trauma registry kept in our Department and were tested for eligibility. Patients were then categorized into two groups according to their age: Group A included all patients less than 65 years of age and Group B included all patients over the age of 65. The outcome was measured using the AOFAS Ankle-Hindfoot score and a Linear analog scale. A total of 120 consecutive patients fulfilled the eligibility criteria and were included in our study (60 patients in each group). We detected statistically significant difference between the LAS score of the two groups (p=0.02), the alignment between the two groups (p=0.04) and the AOFAS score versus LAS score in Group B (p=0.03). Two patients from Group B had wound dehiscence, but finally their wounds healed uneventfully. We didn't observe any serious complications such as skin necrosis, deep infection, osteomyelitis and failure of metalwork. Our study suggests that the operative management of Weber B2 and B3 injuries can result in a favorable outcome. It is however of great importance that there are no delays in treatment, that the reduction is anatomical, that the fracture fixation is satisfactory and that the rehabilitation is commenced early.
Keywords: American Orthopaedic Foot and Ankle Society (AOFAS); Ankle Fracture; Elderly; Functional Outcome; Linear analog scale (LAS); Open reduction and internal fixation (ORIF).
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