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Vet Surg. 2014 Feb;43(2):114-9. doi: 10.1111/j.1532-950X.2013.12091.x. Epub 2013 Dec 23.

Biomechanical evaluation of the influence of an intramedullary pin on the stability of a feline ilial fracture model stabilized with a bone plate.

Author information

1
Department of Clinical Sciences, College of Veterinary Medicine, North Carolina State University, Raleigh, North Carolina.

Abstract

OBJECTIVE:

To compare the mechanical properties of feline ilial fractures stabilized with either a plate (P), or a plate and IM pin (P + P).

STUDY DESIGN:

Mechanical study.

SAMPLE POPULATION:

Cadaveric cat pelvii (n = 10).

METHODS:

Feline ilial fractures (n = 20) stabilized with either P or P + P were subjected to 100 nondestructive load cycles, then loaded to failure. Deformation after cycling, yield load and displacement, stiffness and load at 2 mm of displacement were compared between groups.

RESULTS:

There were no significant differences between groups for any of the parameters. Variability of data was much larger for the P + P group.

CONCLUSIONS:

No biomechanical advantage was demonstrated. The P + P constructs were not significantly stronger than plates alone in this acutely loaded cadaveric model.

[Indexed for MEDLINE]

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