The Effect of Displaced Versus Nondisplaced Pelvic Fractures on Long-term Racing Performance in 31 Thoroughbred Racehorses

Aims: To evaluate the long-term racing prognosis for Thoroughbred racehorses with displaced vs. nondisplaced fractures of the pelvis, identified scintigraphically. 

Methods:Medical records of 31 Thoroughbred racehorses presenting to the University of Melbourne Equine Centre, that had fractures of the pelvis identified scintigraphically were reviewed. Pelvic fracture site was determined and defined as displaced or nondisplaced based on ultrasound and/or radiographic findings. Race records were analysed for each horse, with a minimum of 24 months follow-up, and correlated to fracture type to determine long-term prognosis for racing. Results are expressed as median and range.

Results: Fractures at a single site were more common (n = 22) than fractures involving 2 sites (n = 9) and the ilial wing was the most commonly affected (n = 12). [...]