A Retrospective Comparative Analysis of Minimally Invasive Osteosynthesis and External Fixation in the Treatment of Long Bone Fractures in Cats
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This retrospective study compares the efficacy, complication rates, and functional recovery of Minimally Invasive Osteosynthesis (MIO) and External Fixation (EF) techniques in the treatment of long bone fractures in cats. A total of 16 cats were analyzed (8 treated with MIO, 8 with EF). Time to bone union, complication frequency, and time to weight-bearing were evaluated. The average time to bone healing was 6.3 weeks (SD ± 1.1) in the MIO group and 8.0 weeks (SD ± 1.4) in the EF group (p = 0.02). Complications occurred in 12.5% of the MIO group and 37.5% of the EF group (p = 0.03). Weight-bearing resumed earlier in the MIO group (mean: 3.0 weeks) compared to the EF group (mean: 4.6 weeks; p = 0.01). MIO is preferable for simple fractures, while EF remains important for complex fractures. These findings may assist veterinary surgeons in making evidence-based treatment decisions.
