Dr. Stephen Selway of the Gulfstream Equine Surgical Clinic announced Jan. 6 that data collection for a study on Lasix in 2-year-olds at the track has been completed. The study, which Selway proposed last year, was designed to collect endoscopic examinations of 2-year-olds participating in Lasix-free races with the hope of determining the prevalence of exercise-induced pulmonary hemorrhage (EIPH) in those runners, compared to 2-year-olds running in comparable races with Lasix. Horses were scoped one to two hours after a race under the supervision of two veterinarians when possible, and then degree of EIPH was to be rated on a scale of zero to four.
Complete parameters of the study can be found on the Florida HBPA's website here.
Selway's statement regarding the completion of data collection is as follows:
The collection of images and other data for this study was completed on Dec 31, 2015. A total of 814 endoscopic examinations were performed and these images have been numbered, randomized and forwarded to the three independent evaluators – Drs. J Prendergast, F Northrup, and N Meittinis for grading. This data along with the other factors such as temperature, humidity, and barometric pressure will be looked at statistically with regard to the EIPH and the variables in the study; then a scientific paper presented for review and publication.
I would like to thank the trainers and owners that participated in this study. Also the cooperation of the FHBPA (Kent Sterling) and Gulfstream Park (Dr Robert O Neil, Carrie and Susan in the Lasix office) was appreciated.
This study would not have been possible without the generosity of Ahmed Zayat – laboratory costs; Caroline Wilson, John Sikura, Antony Beck and Roy Jackson – video endoscopes; Drs A Carabajal, E Hirmer, B Solomon, and my staff – assistance in collecting the images.
Results of this timely scientific study will be of significant value regarding the health and welfare of the racehorse, EIPH, and its management. Particularly since we are looking at what the industry considers our most talented 2-year-olds.
Until all images are graded and all of the data evaluated we cannot and will not make any conclusions as it is important to let the science speak. One thing that is clear is that 2-year-olds do bleed and in significant numbers. Also we will be looking closely at one of the possible causes of EIPH to see if maybe a factor.
In conclusion, I would like to thank all sited above and several others that have made this study a reality.
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