Physiological measurements and prevalence of lower airway diseases in Trotters with dorsal displacement of the soft palate

Equine Veterinary Journal

Volumn 42, Issue SUPPL. 38, 2010, Pages 246-255

  Courouce Malblanc, A ^a   Deniau, V ^b   Rossignol, F ^b   Corde, R ^b   Leleu, C ^c   Maillard, K ^d   Pitel, P H ^d   Pronost, S ^d   Fortier, G ^d  

^a LUNAM UNIVERSITÉ   (France)

^b CLINIQUE VÉTÉRINAIRE   (France)

^c Equitest Courtison ^*  (France)

^d Laboratoire Frank Duncombe   (France)

Author keywords

DDSP; Equine; Heart rate; Horse; Muscle; Respiratory; Sport medicine

Indexed keywords

AIRWAY OBSTRUCTION; ANIMAL; ANIMAL DISEASE; ANIMAL EXPERIMENT; ARTICLE; BLEEDING; EXERCISE TEST; FEMALE; HORSE; HORSE DISEASE; LUNG DISEASE; MALE; PATHOLOGY; SOFT PALATE; TRACHEITIS;

AIRWAY OBSTRUCTION; ANIMALS; EXERCISE TEST; FEMALE; HEMORRHAGE; HORSE DISEASES; HORSES; LUNG DISEASES; MALE; PALATE, SOFT; PHYSICAL CONDITIONING, ANIMAL; TRACHEITIS;

BACTERIA (MICROORGANISMS); EQUIDAE;

EID: 78249266614     PISSN: 04251644     EISSN: 20423306     Source Type: Journal    
DOI: 10.1111/j.2042-3306.2010.00276.x     Document Type: Article

References (51)

1. Allen, K.J., Tremaine, W.H. and Franklin, S.H. (2006) Prevalence of inflammatory airway disease in national hunt horses referred for investigation of poor athletic performance. Equine vet. J. 36, 529-534.
2. Auer, D.E., Wilson, R.G. and Groenendyk, S. (1985) Pharyngeal lymphoid hyperplasia in Thoroughbred racehorses in training. Aust. vet. J. 62, 124-126.
3. Barakzai, S.Z. and Dixon, P.M. (2005) Conservative treatment for racehorses affected with intermittent dorsal displacement of the soft palate. Vet. Rec. 36, 337-341.
4. Burrell, M., Wood, J., Whitwell, K., Chanter, N. and Mackintosh, M.M.J. (1996) Respiratory disease in Thoroughbred horses in training: the relationship between disease and viruses, bacteria and environment. Vet. Rec. 139, 308-313.
5. Chapman, P., Green, C., Main, J., Taylor, P., Cunningham, F., Cook, A. and Marr, C. (2000) Retrospective study of the relationships between age, inflammation and the isolation of bacteria from the lower respiratory tract of thoroughbred horses. Vet. Rec. 146, 91-95.
6. Christley, R.M., Hodgson, D.R., Rose, R.J., Reid, S.W. and Hodgson, J.L. (1999) Comparison of bacteriology and cytology of tracheal fluid samples collected by percutaneous transtracheal aspiration or via an endoscope using a plugged, guarded catheter. Equine vet. J. 33, 256-264.
7. Christley, R.M., Hodgson, D.R., Rose, R.J., Hodgson, J.L., Wood, J.L. and Reid, S.W. (2001) Coughing in Thoroughbred racehorses: risk factors and tracheal endoscopic and cytological findings. Vet. Rec. 148, 99-104.
8. Couetil, L.L. (2006) Inflammatory airway disease and EIPH: is there a link? In: Proceedings of a Havemeyer Workshop on Exercise-Induced Pulmonary Haemorrhage: State of Current Knowledge, 9th-12th March 2006, Granville Island, Vancouver, Canada, 21-23.
9. Couetil, L.L. and Denicola, D.B. (1999) Blood gas, plasma lactate and bronchoalveolar lavage cytology anamyses in racehorses with respiratory disease. Equine vet. J. 30, 77-82.
10. Couetil, L.L., Hoffman, A.M., Hodgson, J., Buechner-Maxwell, V., Viel, L., Wood, J.L. and Lavoie, J.P. (2007) Inflammatory airway disease of horses. J. vet. intern. Med. 21, 356-361.
11. Couetil, L.L., Rosenthal, F.S., DeNicola, D.B. and Chilcoat, C.D. (2001) Clinical signs, evaluation of bronchoalveolar lavage fluid and assessment of pulmonary function in horses with inflammatory respiratory disease. Am. J. vet. Res. 62, 538-546.
12. Couroucé, A. (1999) Field exercise testing for assessing fitness in French Standardbred trotters. Vet. J. 157, 112-122.
13. Couroucé, A., Corde, R., Valette, J.P., Cassiat, G., Hodgson, D.R. and Rose, R.J. (2000) Comparison of some responses to exercise on the track and the treadmill in French Trotters determination of the optimal treadmill incline. Vet. J. 159, 57-63.
14. Couroucé-Malblanc, A., Pronost, S., Fortier, G., Corde, R. and Rossignol, F. (2002) Physiological measurements and upper and lower respiratory tract evaluation in French Standardbred Trotters during a standardized exercise test on the treadmill. Equine vet. J., Suppl. 34, 402-407.
15. Dubreucq, C., Chatard, J.C., Couroucé, A. and Auvinet, B. (1995) Reproducibility of standardized exercise test for Standardbred trotters under field conditions. Equine vet. J., Suppl. 18, 108-112.
16. Ferrucci, F., Zucca, E., Croci, C., Di Fabio, V. and Ferro, E. (2004) Rest and treadmill endoscopic findings in 87 race horses presented for poor performance. In: The Elite Race and Endurance Horse, Conference on Equine Sports Medicine and Science (CESMAS), eds: Arno Lindner, pp 133-136.
17. Fortier, G., Van Erck, E., Fortier, C., Richard, E., Pottier, D., Pronost, S., Miszczak, F., Thiry, E. and Lekeux, P. (2009) Herpesviruses in respiratory liquids of horses: putative implication in airway inflammation and association with cytological features. Vet. Microbiol. 139, 34-41.
18. Franklin, S.H., Naylor, J.R.J. and Lane, J.G. (2002) The effect of a tongue-tie in horses with dorsal displacement of the soft palate. Equine vet. J., Suppl. 34, 430-433.
19. Franklin, S.H., Price, C. and Burn, J.F. (2004) The displaced equine soft palate as a source of abnormal respiratory noise during expiration. Equine vet. J. 36, 590-594.
20. Hewson, J. and Viel, L. (2002) Sampling, microbiology and cytology of the respiratory tract. In: Equine Respiratory Diseases, Ed: P. Lekeux, International Veterinary Information Service, Ithaca, NY. pp B0308-B0602. Available at: (accessed
21. Hodgson, J.L. (2006) Collection and interpretation of tracheal wash and bronchoalveolar lavage for diagnosis of infectious and non-infectious lower airway disorders. In: Proceedings World Equine Veterinary Association, pp. 71-77.
22. Holcombe, S.J., Derksen, F.J., Stick, J.A. and Robinson, N.E. (1996) Effect of nasal occlusion on tracheal and pharyngeal pressures in horses. Am. J. vet. Res. 57, 1258-1260.
23. Holcombe, S.J., Derksen, F.J., Stick, J.A. and Robinson, N.E. (1998) Bilateral nerve blockade of the pharyngeal branch of the vagus nerve produces persistent soft palate dysfunction in horses. Am. J. vet. Res. 59, 504-508.
24. Holcombe, S.J., Robinson, N.E., Derksen, F.J., Bertold, B., Genovese, R., Miller, R., De Feiter Rupp, H., Carr, E.A., Eberhart, S.W., Boruta, D. and Kaneenene, J.B. (2006) Effect of tracheal mucus and tracheal cytology on racing performance in Thoroughbred racehorses. Equine vet. J. 38, 300-304.
25. King, C.M., Evans, D.L. and Rose, R.J. (1994) Cardiorespiratory and metabolic response to exercise in horses with various abnormalities of the upper respiratory tract. Equine vet. J. 26, 220-225.
26. Lane, J.G., Bladon, B., Little, D.R.M., Naylor, J.R.J. and Franklin, S.H. (2006a) Dynamic obstructions of the equine upper respiratory tract. Part 1: observations during high speed treadmill endoscopy of 600 Thoroughbred racehorses. Equine vet. J. 38, 393-399.
27. Lane, J.G., Bladon, B., Little, D.R.M., Naylor, J.R.J. and Franklin, S.H. (2006b) Dynamic obstructions of the equine upper respiratory tract. Part 2: comparison of endoscopic findings at rest and during high-speed treadmill exercise of 600 Thoroughbred racehorses. Equine vet. J. 38, 401-408.
28. Leleu, C., Cotrel, C. and Couroucé-Malblanc, A. (2005) Relationships between physiological variables and race performance in French Standardbred trotters. Vet. Rec. 156, 339-342.
29. Linford, R.L., O'Brien, T.A., Wheat, J.D. and Meagher, D.M. (2002) Radiographic assessment of epiglottic length and pharyngeal and laryngeal diameters in the Thoroughbred. Am. J. vet. Res. 44, 1660-1666.
30. Malikides, N., Hughes, K. and Hodgson, J.L. (2007) Comparison of tracheal aspirates before and after high-speed treadmill exercise in racehorses. Aust. vet. J. 85, 414-419.
31. Malikides, N., Hughes, K., Hodgson, D.R. and Hodgson, J.L. (2003) Comparison of tracheal aspirates and bronchoalveolar lavage in racehorses 2. Evaluation of the diagnostic significance of neutrophil percentage. Aust. vet. J. 81, 685-687.
32. Martin, B.B., Reef, V.B., Parente, E.J. and Sage, A.D. (2000) Causes of poor performance of horses during training, racing or showing: 348 cases (1992-1996). J. Am. vet. med. Ass. 216, 554-558.
33. Morris, E.A. (1991) Application of clinical exercise testing for identification of respiratory fitness and disease in the Equine Athlete. Vet. Clin. N. Am.: Equine Pract. 7, 383-401.
34. Newton, J.R. and Wood, J.L. (2002) Evidence of an association between inflammatory airway disease and EIPH in young Thoroughbred during training. Equine vet. J., Suppl. 34, 417-424.
35. Nyman, G. (2003) Inflammatory airway disease and gas exchange. In: Havemeyer Foundation Monograph Series N°9, Workshop on Inflammatory Airway Disease: Defining the Syndrome, Eds: A. Hoffman, N.E. Robinson and J.F. Wade, R and W Publications, Newmarket. pp 75-80.
36. Parente, E.J. and Martin, B.B. (1995) Correlation between standing endoscopic examination and those made during high-speed exercise in horses - 150 cases. Proc. Am. Ass. equine Practnrs. 41, 170.
37. Persson, S.G.B. (1983) Evaluation of exercise intolerance and fitness in the performance horse. In: Equine Exercise Physiology, Eds: D.H. Snow, S.G.B. Persson and R.J. Rose, Granta Publications, Cambridge, UK. pp 441-457.
38. Persson, S.G.B. and Lindberg, R. (1991) Lung biopsy pathology and exercise tolerance in horses with chronic bronchiolitis. In: Equine Exercise Physiology 3, Eds: S.G.B. Persson, A. Lindholm and L.B. Jeffcott, ICEEP Publications, Davis, California. pp 457-464.
39. Ramzan, P.H.L., Parkin, T.D.H. and Shepherd, M.C. (2008) Lower respiratory tract disease in Throroughbred racehorses: analysis of endoscopic data from a UK training yard. Equine vet. J. 40, 7-13.
40. Rehder, R.S., Ducharme, N.G., Hackett, R.P. and Nielan, G.J. (1995) Measurement of upper airway pressures in exercising horses with dorsal displacement of the soft palate. Am J. vet. Res. 56, 269-274.
41. Richard, E., Fortier, G., Lekeux, P. and Van Erck, E. (2009b) Laboratory findings in respiratory fluids of the poor-performing horse. Vet. J. doi:10.1016/j.tvjl.2009.05.003. Vet J. 2010, 185(2), 115-122.
42. Richard, E., Fortier, G., Pitel, P.H., Dupuis, M.C., Valette, J.P., Art, T., Denoix, J.M., Lekeux, P. and Van Erck, E. (2009a) Subclinical diseases affecting performance in Standardbred trotters: diagnostic methods and predictive parameters. Vet J. 2010, 184(3), 282-289. doi:10.1016/j.tvjl.2009.04.016.
43. Robinson, N.E. and Derksen, F.J. (1998) COPD: newer concepts. In: World Equine Airways Symposium, Guelph, Canada, 1-20.
44. Robinson, N.E. and Hoffman, A.M. (2003) Inflammatory airway disease: defining the syndrome. Conclusion of the Havemeyer workshop. Equine vet. Educ. 15, 61-63.
45. Sanchez, A., Couetil, L.L., Ward, M.P. and Clark, S.P. (2005) Effect of airway disease on blood gas exchange in racehorses. J. vet. intern. Med. 19, 87-92.
46. Saulez, M.N. and Gummow, B. (2009) Prevalence of pharyngeal, laryngeal and tracheal disorders in Thoroughbred racehorses and effect on performance. Vet. Rec. 165, 431-435.
47. Sweeney, C.R., Humber, K.A. and Roby, K.A. (1992a) Cytologic findings of tracheaobronchial aspirates from 66 thoroughbred racehorses. Am. J. vet. Res. 62, 49-55.
48. Sweeney, C.R., Rossier, Y., Ziemer, E.L. and Lindborg, S. (1992b) Effects of lung site and fluid volume on results of bronchoalveolar lavage fluid analysis in horses. Am. J. vet. Res. 53, 1376-1379.
49. Tan, R.H., Dowling, B.A. and Dart, A.J. (2005) High-speed treadmill videoendoscopic examination of the upper-respiratory tract in the horse: the results of 291 clinical cases. Vet. J. 170, 243-248.
50. Wood, J.L.N., Newton, J.R., Chanter, N. and Mumford, J.A. (2005) Association between respiratory disease and bacterial and viral infections in British racehorses. J. clin. Microbiol. 43, 120-126.
51. Young, L.E., Rogers, K. and Wood, J.L. (2008) Heart murmurs and valvular regurgitation in thoroughbred racehorses: epidemiology and associations with athletic performance. J. vet. intern. Med. 22, 418-426.