EDITORIAL
Irregular hearts and performance horses
Peter W. Physick-Sheard,
Joann Slack,
Corresponding Author
Peter W. Physick-Sheard
Department of Population Medicine, University of Guelph, Guelph, ON, Canada
Search for more papers by this authorJoann Slack
Department of Clinical Studies, New Bolton Center, University of Pennsylvania, Kennett Square, USA
Search for more papers by this author
Peter W. Physick-Sheard,
Joann Slack,
Corresponding Author
Peter W. Physick-Sheard
Department of Population Medicine, University of Guelph, Guelph, ON, Canada
Search for more papers by this authorJoann Slack
Department of Clinical Studies, New Bolton Center, University of Pennsylvania, Kennett Square, USA
Search for more papers by this author
CONFLICT OF INTEREST
The authors declare no competing interests in the publication of this research paper or any of its contents.
References
- 1Reef VB. Frequency of cardiac arrhythmias and their significance in normal horses. Proceedings of the 7th American College of Veterinary Internal Medicine Forum, 1989: 570–2.
- 2Reef VB. The significance of cardiac auscultatory findings in horses: insight into the age-old dilemma. Equine Vet J. 1993; 25(5): 393–4.
- 3Barrett E, Arkins S. Abnormalities detected at pre-purchase examination of National Hunt racehorses presented at sale. Equine Vet J. 2020; 52(2): 281–9.
- 4Hitchens PL, Hill AE, Stover SM. The role of catastrophic injury or sudden death of the horse in race-day jockey falls and injuries in California, 2007–2012. Equine Vet J. 2016; 48(1): 50–6.
- 5Slack J, Boston RC, Soma LR, Reef VB. Occurrence of cardiac arrhythmias in Standardbred racehorses. Equine Vet J. 2015; 47(4): 398–404.
- 6Allen KJ, Young LE, Franklin SH. Evaluation of heart rate and rhythm during exercise. Equine Vet Educ. 2016; 28(2): 99–112.
- 7Biffi A, Maron BJ, Di Giacinto B, Porcacchia P, Verdile L, Fernando F et al. Relation between training-induced left ventricular hypertrophy and risk for ventricular tachyarrhythmias in elite athletes. Am J Cardiol. 2008; 101(12): 1792–5.
- 8Wijnberg ID, Franklin SH. The heart remains the core: cardiac causes of poor performance in horses compared to human athletes. Comp Exerc Physiol. 2017; 13(3): 149–74.
- 9Navas de Solis C. Exercising arrhythmias and sudden cardiac death in horses: review of the literature and comparative aspects. Equine Vet J. 2016; 48(4): 406–13.
- 10Navas de Solis C, Althaus F, Basieux N, Burger D. Sudden death in sport and riding horses during and immediately after exercise: a case series. Equine Vet J. 2018; 50(5): 644–8.
- 11Mitchell KJ. Practical considerations for diagnosis and treatment of ventricular tachycardia in horses. Equine Vet Educ. 2017; 29(12): 670–6.
- 12Ploeg M, Saey V, van Loon G, Delesalle C. Thoracic aortic rupture in horses. Equine Vet J. 2017; 49(3): 269–74.
- 13Physick-Sheard PW, McGurrin MKJ. Ventricular arrhythmias during race recovery in Standardbred racehorses and associations with autonomic activity. J Vet Intern Med. 2010; 24(5): 1158–66.
- 14Physick-Sheard PW, Avison A, Chappell E, MacIver M. Ontario racehorse death registry, 2003–2015: descriptive analysis and rates of mortality. Equine Vet J. 2019; 51(1): 64–76.
- 15Lyle CH, Uzal FA, McGorum BC, Aida H, Blissitt KJ, Case JT et al. Sudden death in racing Thoroughbred horses: an international multicentre study of post mortem findings. Equine Vet J. 2011; 43(3): 324–31.
- 16DeLay J. Postmortem findings in Ontario racehorses, 2003–2015. J Vet Diagn Invest. 2017; 29(4): 457–64.
- 17Maron BJ, Doerer JJ, Haas TS, Tierney DM, Mueller FO. Sudden deaths in young competitive athletes: analysis of 1866 deaths in the United States, 1980–2006. Circulation. 2009; 119(8): 1085–92.
- 18Kraus M, Physick-Sheard PW, Brito LF, Schenkel FS. Estimates of heritability of atrial fibrillation in the Standardbred racehorse. Equine Vet J. 2017; 49(6): 718–22.
- 19Physick-Sheard P, Kraus M, Basrur P, McGurrin K, Kenney D, Schenkel F. Breed predisposition and heritability of atrial fibrillation in the standardbred horse: a retrospective case-control study. J Vet Cardiol. 2014; 16(3): 173–184.
- 20Kraus M, Physick-Sheard P, Brito LF, Sargolzaei M, Schenkel FS. Marginal ancestral contributions to atrial fibrillation in the Standardbred racehorse: comparison of cases and controls. PLoS One. 2018; 13(5):e0197137.
- 21Reef VB, Levitan CW, Spencer PA. Factors affecting prognosis and conversion in equine atrial fibrillation. J Vet Intern Med. 1988; 2(1): 1–6.
- 22Decloedt A, Schwarzwald CC, De Clercq D, Van Der Vekens N, Pardon B, Reef VB et al. Risk factors for recurrence of atrial fibrillation in horses after cardioversion to sinus rhythm. J Vet Intern Med. 2015; 29(3): 946–53.
- 23Vernemmen I, De Clercq D, Decloedt A, Vera L, Van Steenkiste G, van Loon G. Atrial premature depolarisations five days post electrical cardioversion are related to atrial fibrillation recurrence risk in horses. Equine Vet J. 2020; 52(3): 374–8.
- 24Broux B, De Clercq D, Decloedt A, Ven S, Vera L, van Steenkiste G et al. Heart rate variability parameters in horses distinguish atrial fibrillation from sinus rhythm before and after successful electrical cardioversion. Equine Vet J. 2017; 49(6): 723–8.
- 25Zuber N, Zuber M, Schwarzwald CC. Assessment of systolic and diastolic function in clinically healthy horses using ambulatory acoustic cardiography. Equine Vet J. 2019; 51(3): 391–400.
- 26Afonso T, Giguere S, Rapoport G, Brown SAA, Coleman AE. Attenuation of the blood pressure response to exogenous angiotensin I after oral administration of benazepril to healthy adult horses. Equine Vet J. 2017; 49(3): 358–62.
- 27Afonso T, Giguere S, Brown SA, Barton MHA, Rapoport G, Barba M et al. Preliminary investigation of orally administered benazepril in horses with left-sided valvular regurgitation. Equine Vet J. 2018; 50(4): 446–51.
- 28Broux B, De Clercq D, Decloedt A, Vera L, Devreese M, Gehring R et al. Pharmacokinetics and electrophysiological effects of sotalol hydrochloride in horses. Equine Vet J. 2018; 50(3): 377–83.
- 29Gehlen H, Sundermann T, Rohn K, Stadler P. Aldosterone plasma concentration in horses with heart valve insufficiencies. Res Vet Sci. 2008; 85(2): 340–4.
- 30Hesselkilde E, Linz D, Saljic A, Carstensen H, Rayed K, Jespersen T et al. First catheter-based high-density endocardial 3D electroanatomical mapping of the right atrium in standing horses. Equine Vet J. 2020. https://doi.org/10.1111/evj.13265
- 31Van Steenkiste G, De Clercq D, Boussy T, Vera L, Schauvliege S, Decloedt A et al. Three dimensional ultra-high-density electro-anatomical cardiac mapping in horses: methodology. Equine Vet J. 2020; 52(5): 765–72.
- 32Aliot EM, Stevenson WG, Almendral-Garrote JM, Bogun F, Calkins CH,Delacretaz E et al. EHRA/HRS expert consensus on catheter ablation of ventricular arrhythmias. Heart Rhythm. 2009; 6(463): 886–933.
- 33Natale A, Raviele A, Al-Ahmad A, Alfieri O, Aliot E, Almendral J et al. Venice chart international consensus document on ventricular tachycardia/ventricular fibrillation ablation. J Cardiovasc Electrophysiol. 2010; 21(3): 339–79.
- 34Meyling HA, Ter Borg H. The conducting system of the heart in hoofed animals. Cornell Vet. 1957; 47: 419–55.
- 35Oosthoek PW, Viragh S, Lamers WH, Moorman AF. Immunohistochemical delineation of the conduction system. II: the atrioventricular node and Purkinje fibers. Circ Res. 1993; 73(3): 482–91.
- 36De Almeida MC, Lopes F, Fontes P, Barra F, Guimaraes R, Vilhena V. Ungulates heart model: a study of the Purkinje network using India ink injection, transparent specimens and computer tomography. Anat Sci Int. 2015; 90(4): 240–50.
- 37Muylle E, Oyaert W. Equine electrocardiography. The genesis of the different configurations of the “QRS” complex. Zbl Vetmed A. 1977; 24(9): 762–71.
Citing Literature
November 2020
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