THE FIXING OF THE OLECRANON IN THE DISTAL HUMERUS FRACTURE - SCREW OR AO TENSION BAND? (ARBEITSGEMEINSCHAFT FÜR OSTEOSYNTHESEFRAGEN)
Abstract:
In this study we intend to compare the 2 methods of fixation of the olecranon osteothomy as a part of the surgical treatment of distal humerus fractures, respectively, the fixing screw and the fixation with a tension band AO. The study was conducted on a sample of 241 patients over a period of one year. It was intended to be a balance between fixing methods and type of fracture covered under AO classification so that each type of fracture to have both surgical methodes. The osteotomy was performed with oscillating saw and the last portion was fractured (the joint part of the olecranon). Analyzing the above data it appears that there isn’t significant functionally differences between the two groups. There is however a trend in the first months of recovery movement of flexion - extension better for cases in which the fixation was made with the AO tension band, difference that disappeared after 3 months of evolution. It notes the emergence of cases with pseudarthrosis in group 2 who had screw fixation, pseudarthrosis correlated with no introduction of the screw in the medullary canal. In cases that was operated with tension band AO we observed an increased incidence of phenomena of intolerance to the osteosynthesis material and also a higher incidence of osteoarthrozis phenomena.
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