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Comparison of fixation methods for femoral diaphyseal fractures in cats

T. Könning, R. J. Maarschalkerweerd, N. Endenburg, l. F. H. Theyse

DIAPHYSEAL fractures of the femur in cats can be treated using fixation methods. The aim of this retrospective study was to compare the results of the treatment of these fractures in cats using an external fixator, a bone plate or plate-rod fixation.

The authors reviewed the medical records and radiographs of cats with femoral fractures treated in a Dutch referral clinic between 1997 and 2008. All surgeries were performed by certified orthopaedic surgeons. Antibacterial treatment and NSAIDs were administered as required. A postoperative check was scheduled six weeks after treatment, with a second check after 10 to 12 weeks, if required. All radiographs were assessed to determine the time to bone healing.

In all three groups, at least 90 per cent of cases achieved union of the bones. Excluding cases where there was no union, the plate-rod group achieved bone union at around 65 days, the plate fixation group at around 75 days and the external fixation group at around 68 days. The plate-rod construct group had the fewest complications (five of 60 cases, 9 per cent); however, most were major complications. In the bone plate group, three of 20 …

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