Changes over time in echocardiographic measurements in young Standardbred racehorses undergoing training and racing and association with racing performance

Journal of the American Veterinary Medical Association

Volumn 226, Issue 11, 2005, Pages 1881-1887

  Buhl, Rikke ^a   Ersbøll, Annette K ^a   Eriksen, Lis ^a   Koch, Jørgen ^a  

^a UNIVERSITY OF COPENHAGEN   (Denmark)

Author keywords

[No Author keywords available]

Indexed keywords

ANIMAL EXPERIMENT; ARTICLE; BODY WEIGHT; CARDIOMEGALY; FEMALE; HEART LEFT VENTRICLE HYPERTROPHY; HEART LEFT VENTRICLE MASS; HEART LEFT VENTRICLE SIZE; HORSE; HORSE RACING; LONGITUDINAL STUDY; M MODE ECHOCARDIOGRAPHY; MALE; NONHUMAN; PERFORMANCE; SEX DIFFERENCE; SPORT; STATISTICAL ANALYSIS; TRAINING;

AGE FACTORS; ANIMALS; BODY WEIGHT; ECHOCARDIOGRAPHY; FEMALE; HEART; HEART FUNCTION TESTS; HORSES; LONGITUDINAL STUDIES; MALE; ORGAN SIZE; PHYSICAL CONDITIONING, ANIMAL; SEX FACTORS;

ANIMALIA; EQUIDAE; EQUUS CABALLUS;

EID: 19744377482     PISSN: 00031488     EISSN: None     Source Type: Journal    
DOI: 10.2460/javma.2005.226.1881     Document Type: Article

References (40)

1. Herrmann G. The heart of the Thoroughbred race horse. Studies in hypertrophy. Proc Soc Exp Biol Med 1929;26:549-551.
2. Gunn HM. Heart weight and running ability. J Anat 1989; 167:225-233.
3. Kline H, Foreman JH. Heart and spleen weights as a function of breed and somatotype. Equine Exp Physiol 1991;3:17-21.
4. Kubo K, Senta T, Sugimoto O. Relationship between training and heart in the Thoroughbred racehorse. Exp Rep Equine Health Lab 1974;11:87-93.
5. Reef VB, Spencer P. Echocardiographic evaluation of equine aortic insufficiency. Am J Vet Res 1987;48:904-909.
6. Reef VB. Echocardiographic findings in horses with congenital cardiac disease. Compend Contin Educ Pract Vet 1991;13:109-117.
7. Maxson AD, Reef VB. Bacterial endocarditis in horses: ten cases (1984-1995). Equine Vet J 1997;29:394-399.
8. Worth LT, Reef VB. Pericarditis in horses: 18 cases (1986-1995). J Am Vet Med Assoc 1998;212:248-253.
9. Marr CM, Reef BV, Brazil TJ, et al. Aorto-cardiac fistulas in seven horses. Vet Radiol Ultrasound 1998;39:22-31.
10. Buhl R, Koch JK, Agerholm JS. Complete situs inversus in a two-year-old Standardbred horse. Vet Rec 2004;154:600-602.
11. Young LE. Cardiac responses to training in 2-year-old Thoroughbreds: an echocardiographic study. Equine Vet J Suppl 1999;30:195-198.
12. Kriz NG, Hodgson DR, Rose RJ. Changes in cardiac dimensions and indices of cardiac function during deconditioning in horses. Am J Vet Res 2000;61:1553-1560.
13. Ohmura H, Hiraga A, Matsui A, et al. Physical responses of young Thoroughbreds during their first year of race training. Equine Vet J Suppl 2002;34:140-146.
14. Young LE. Equine athletes, the equine athlete's heart and racing success. Exp Physiol 2003;88:659-663.
15. Leadon D, McAllister H, Mullins E, et al. Electrocardiographic and echocardiographic measurements and their relationships in Thoroughbred yearlings to subsequent performance. Equine Exp Physiol 1991;3:22-29.
16. Seder JA, Vickery CE, Miller PM. The relationship of selected two-dimensional echocardiographic measurements to the racing performance of 5,431 yearlings and 2,003 two-year-old Thoroughbred racehorses. J Equine Vet Sci 2003;23:149-167.
17. Maron BJ. Structural features of the athlete's heart as defined by echocardiography. J Am Coll Cardiol 1986;7:190-203.
18. Fagard RH. Impact of different sports and training on cardiac structure and function. Cardiol Clin 1992;10:241-256.
19. Morganrolli J, Maron BJ, Henry WL. et al. Comparative left ventricular dimensions in trained athletes. Ann Intern Med 1975; 82:521-524.
20. Longhurst JC, Kelly AR, Gonyea WJ, et al. Echocardiographic left ventricular masses in distance runners and weight lifters. J Appl Physiol 1980;48:154-162.
21. Pluim BM, Zwinderman AH, van der Laarse A, et al. The athlete's heart. A meta-analysis of cardiac structure and function. Circulation 2000;100:336-344.
22. Bielen E, Fagard F, Amery A. The inheritance of left ventricular structure and function assessed by imaging and Doppler echocardiography. Am Heart J 1991;121:1743-1749.
23. Bochard C, Lortie G. Heredity and endurance performance. Sports Med 1984;1:38-64.
24. Bielen E, Fagard F, Amery A. Inheritance of heart structure and physical exercise capacity: a study of left ventricular structure and exercise capacity in 7-year-old twins. Eur Heart J 1990;11:7-16.
25. Adams TD, Yanowitz FG, Fisher AG, et al. Heritability of cardiac size: an echocardiographic and electrocardiographic study of monozygotic and dizygotic twins. Circulation 1985;71:39-44.
26. Buhl R, Ersboll AK, Eriksen L, et al. Sources and magnitude of variation of echocardiographic measurements in normal Standardbred horses. Vet Radiol Ultrasound 2004;45:505-512.
27. Buhl R, Larsen NH, Eriksen L, et al. Sedative effects of detomidine, romifidine or acepromazine upon echocardiographic measurements and cardiac function in normal horses. Vet Anaesth Analg 2005;in press.
28. 2max) in young men. Int J Sports Med 1992;13:219-224.
29. Devereux RB, Lutas EM, Casale PN, et al. Standardization of M-mode echocardiographic left ventricular anatomic measurements. J Am Coll Cardiol 1984;4:1222-1230.
30. Savage DD, Levy D, Dannenberg AL, et al. Association of echocardiographic left ventricular mass with body size, blood pressure and physical activity (the Framingham study). Am J Cardiol 1990;65:371-376.
31. Hagan RD, Laird PW, Gettman LR. The problems of per-surface area and per-weight standardization indices in the determination of cardiac hypertrophy in endurance-trained athletes. J Cardiopulm Rehabil 1985;5:554-560.
32. Meckel Y, Atterbom H, Grodjinovsky A, et al. Physiological characteristics of female 100 metre sprinters of different performance levels. J Sports Med Phys Fitness 1995;35:169-175.
33. Kearns CF, McKeever KH, Kumagai K, et al. Fat-free mass is related to one-mile race performance in elite Standardbred horses. Vet J 2002;163:260-266.
34. Kearns CF, McKeever KH, John-Alder H, et al. Relationship between body composition, blood volume and maximal oxygen uptake. Equine Vet J Suppl 2002;34:485-490.
35. Pelliccia A, Maron BJ, Culasso F, et al. Athlete's heart in women. Echocardiographic characterization of highly trained elite female athletes. JAMA 1996;276:211-215.
36. Sharma S, Maron BJ, Whyte G, et al. Physiologic limits of left ventricular hypertrophy in elite junior athletes: relevance to differential diagnosis of athlete's heart and hypertrophic cardiomyopathy. J Am Coll Cardiol 2002;40:1431-1436.
37. Koenig H, Goldstone A, Lu CY. Testosterone-mediated sexual dimorphism of the rodent heart. Ventricular lysosomes, mitochondria, and cell growth are modulated by androgens. Circ Res 1982;50:782-787.
38. Schaible TF, Malhotra A, Ciambrone G, et al. The effects of gonadectomy on left ventricular function and cardiac contractile proteins in male and female rats. Circ Res 1984;54:38-49.
39. McKeever KH, Schurg WA, Jarrett SH, et al. Exercise training-induced hypervolemia in the horse. Med Sci Sports Exerc 1987;19:21-27.
40. Kuwahara M, Hiraga A, Kai M, et al. Influence of training on autonomic nervous function in horses: evaluation by power spectral analysis of heart rate variability. Equine Vet J Suppl 1999;30: 178-180.