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Abstracts and Studies
First Posted: Jan 5, 2010
Jan 14, 2012

'Roaring' Surgery Results Examined in New Studies

"Barakzai SZ, Boden LA, Dixon PM.
Division of Veterinary Clinical Science, Royal (Dick) School of Veterinary Studies, Easter Bush Veterinary Centre, University of Edinburgh, Easter Bush, Roslin, Midlothian, Scotland, UK. safia.barakzai@ed.ac.uk
Vet Surg. 2009 Dec;38(8):941-5.

OBJECTIVE: To evaluate the effect of laryngoplasty (LP) on race performance in longer distance (National Hunt) Thoroughbred racehorses. STUDY DESIGN: Case-control study. ANIMALS: National Hunt Thoroughbred racehorses (n=71) and race-matched controls (n=126). METHODS: Race records for National Hunt racehorses that had LP and ventriculocordectomy were analyzed and racing performance was compared with race-matched controls. ... CONCLUSIONS: LP seemingly restored short-term postoperative racing performance of National Hunt horses to a level comparable with that of a matched control population; however, the career "longevity" of case horses appears to be shorter than that of control horses. CLINICAL RELEVANCE: LP appears to be a suitable treatment for recurrent laryngeal neuropathy in National Hunt racehorses.

For More Information:

Roarer or Whistler


Race Performance After Laryngoplasty and Ventriculocordectomy in National Hunt Racehorses

Vet Surg. 2009 Dec;38(8):934-40.
Postoperative Race Performance Is Not Correlated with Degree of Surgical Abduction after Laryngoplasty in National Hunt Thoroughbred Racehorses.
Barakzai SZ, Boden LA, Dixon PM.
Division of Veterinary Clinical Science, Royal (Dick) School of Veterinary Studies, Easter Bush Veterinary Centre, University of Edinburgh, Easter Bush, Roslin, UK. safia.barakzai@ed.ac.uk

OBJECTIVES: To (1) assess the degree of arytenoid cartilage abduction lost after laryngoplasty (LP) in Thoroughbred National Hunt racehorses and (2) to correlate postoperative racing performance with degree of arytenoid abduction after LP. STUDY DESIGN: Case series. ANIMALS: National Hunt Thoroughbred racehorses (n=68). ...

CONCLUSIONS: Horses with maximal (grade 1) surgical arytenoid abduction are significantly more likely to suffer postoperative loss of abduction than those with grade 3 abduction. Postoperative grade of abduction does not appear significantly correlated with markers of racing performance in National Hunt racehorses; however, very few horses with poor (grade 4 or 5) abduction were included and thus conclusions regarding racing performance in such horses cannot be drawn from this study. CLINICAL RELEVANCE: Seemingly, most horses with grade 3 laryngeal abduction can race successfully and perhaps surgeons should not be disillusioned by the appearance of only moderate (grade 3) abduction in the long term after LP in racehorses."


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