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2008 | 52 | 1 |

Tytuł artykułu

Paroxysmal atrial arrhythmias as a cause of syncope in a Boxer dog - a case report

Warianty tytułu

Języki publikacji

EN

Abstrakty

EN
The aim of the presented electrophysiological and histological study was the investigation of unexplained syncopal spells in a dog of Boxer breed. The dog underwent non-invasive procedures, which turned out to be insufficient for a complete diagnosis. Invasive procedures showed paroxysmal atrial fibrillation. In post-mortem examination, intensive extravascular fibrosis in the both atria, mostly in the endocardium, as well as a local loss of the cross-striation in cardiomyocytes, the presence of giant nuclei, and penetration of adipose tissue, especially in the left ventricle, were found. These changes might be the cause of arrhythmias. Paroxysmal atrial arrhythmias can be the mechanism of syncope in dogs. The electrophysiological properties of the myocardium predispose to both supraventricular and ventricular arrhythmias in dogs. Invasive electrophysiological study is a valuable diagnostic tool in dogs with syncope.

Wydawca

-

Rocznik

Tom

52

Numer

1

Opis fizyczny

p.147-152,fig.,ref.

Twórcy

  • University of Environmental and Life Sciences, 50-366 Wroclaw, Poland
autor
autor
autor
autor

Bibliografia

  • 1. Brignole M., Alboni P., Benditt D., Bergfeldt L., Blanc J.J., Bloch Thomsen P.E.: Task force on syncope, European Society of Cardiology: Guidelines on management (diagnosis and treatment) of syncope-update 2004. Executive summary. Eur Heart J 2004, 25, 2054- 2072.
  • 2. Josephson M.E.: Clinical cardiac elactrophysiology. Techniques and interpretations. Lea and Febiger, Philadelphia, 1993, pp. 1-67
  • 3. Majewski J., Lelakowski J., Szczepkowski J., Małecka B., Pasowicz M.: Ablation with current of high frequency in therapy of retrograde ventricular tachycardia of complex anatomical substrate. Folia Cardiol 2002, 9, 361-365.
  • 4. Majewski J., Szczepkowski J., Lelakowski J.: Ablation of pathway atrio-bunch (Mahaim type). Folia Cardiol 1999, 6, 314-317.
  • 5. Meurs K. M., Spier A.W., Miller M. W., Lehmkuhl L., Towbin J. A.: Familial ventricular arrhythmia in Boxers. J Vet Intern Med 1999, 13, 437-439.
  • 6. Noszczyk-Nowak A.: Electrophysiological study of the heart in swine during experimental hyperthyroxinemia. Medycyna Wet 2007, 63, 1137-1264.
  • 7. Noszczyk-Nowak A., Gajek J., Pasławska U., Zyśko D., Skrzypczak P., Nicpoń J., Mazurek W., Różycki P.: Application of invasive electrophysiology examination to diagnose arrhythmias in hyperthyroidism on animal model - preliminary report. Adv Clin Exp Med 2005, 14, 1145-1150.
  • 8. Noszczyk-Nowak A., Pasławska U., Nicpoń J.: Invasive electrophysiology studies of heart - procedure and indications. Medycyna Wet 2005, 61, 1232-1234.
  • 9. Pasławska U., Noszczyk-Nowak A., Okręglicka E., Nicpoń J.: The analysis of arrhythmias in dogs diagnosed in the years 1996-2001 in the Clinic of Horses, Dogs and Cats Diseases at the Faculty of Veterinary Medicine of the Agricultural University of Wroclaw. Medycyna Wet 2004, 60, 1191-1195.
  • 10. Pasławska U., Zyśko D., Gajek J., Noszczyk-Nowak A., Nicpoń J.: Holter monitoring as a method of diagnosing syncope etiology in dogs. Medycyna Wet 2005, 61, 1256-1258.
  • 11. Pasławska U., Noszczyk-Nowak A., Zyśko D., Gajek J., Nicpoń J.: Analysis of clinical cases of dogs with cardiogenic fainting. Medycyna Wet 2006, 62, 55-58
  • 12. Pasławska U., Zyśko D., Gajek J., Noszczyk-Nowak A., Nicpoń J.: Causes and diagnostics of fainting. Medycyna Wet 2005, 61, 253-256.
  • 13. Scherlag B., Wang X., Nakagawa H., Hirao K., Santoro I., Dugger D., Gwin R., Peters L., Lazzara R., Jackman W.: Radiofrequency ablation of a concealed accessory pathway as treatment for incessant supraventricular tachycardia in a dog. J Am Vet Med Assoc 1993, 203, 1147-1152.
  • 14. Trusz-Gluza M., Bednarkiewicz Z., Krupienicz A., Kułakowski P., Lubiński A., Suwalski K., Wnuk-Wojnar A.M.: Ventricular tachycardia: division, mechanism, diagnosis and treatment. Elektrofizjol stymul 1994, 1, 6-12.
  • 15. Wright K., Hines D., Bright J.: Cardiac electrophysiologic measurments in dog before and after intravenous administration of atropine and propranolol. Am J Vet Res 1996, 57, 1695-1701.
  • 16. Wright K., Mehdiar A., Giacobbe P., Grabb T., Maxson T.: Radiofrequency catheter ablation of atrioventricular accessory pathways in 3 dogs with subsequent resolution of tachycardia - induced cardiomyopathy. J Vet Intern Med 1999, 13, 361-371.
  • 17. Zipes D.P., DiMarco J.P., Gillette P.C., Jackman W.M., Myerburg R.J., Rahimtoola S.H., Ritchie J.L., Cheitlin M.D., Garson A., Gibbons R.J., Lewis R.P., O'Rourke R.A., Ryan T.J., Schlant R.C.: Guidelines for clinical intracardiac electrophysiological and catheter ablation procedures. J Am Coll Cardiol 1995, 26, 555-573.

Typ dokumentu

Bibliografia

Identyfikatory

Identyfikator YADDA

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