Locked plate versus modified clamp-rod internal fixation for feline corpus ilium fractures: A comparative clinical study
Abstract
Objective: To evaluate the applicability and clinical effectiveness of a modified clamp-rod internal fixation (M-CRIF) system compared with conventional locking plate osteosynthesis in the treatment of feline corpus ilium fractures.
Study design: Prospective, controlled clinical study.
Animals: Thirty-six client-owned cats with corpus ilium fractures.
Methods: Cats were randomly assigned to two groups: Group I (M-CRIF, n = 18) and Group II (locking plate, n = 18). All fractures were stabilized with a lateral approach. Radiographic healing, sacral index (SI), and complications were assessed at postoperative days 21, 45, 60, and 120. Long-term outcomes were assessed using owner questionnaires addressing mobility and defecation.
Results: Fracture union was achieved in all cats. Healing scores increased over time in both groups (p < .05). At day 45, Group I showed higher healing scores than Group II (p = .002). Sacral index narrowing was lower in Group I (p = .005). Implant-related complications occurred in 22.2% (4/18) of cats in the plate group, including screw loosening and one revision surgery, whereas no screw loosening was observed in the M-CRIF group. Preoperative neurological deficits were present in 22.2% of cats, decreasing to 5.5% postoperatively. Owner questionnaires indicated satisfactory mobility, although some discrepancies with clinical and radiographic findings were observed.
Conclusion: The M-CRIF system provided greater stability, fewer complications, and…
How strong is the evidence?
Evidence Hub reads this as a randomized trial, done in people. Its evidence level is 3 of 5 (Moderate · trial / cohort / secondary analysis). Trials without a large randomized design, cohorts and secondary analyses give moderate evidence. Reported size: 18 participants or records.
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