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2012 | 56 | 3 |

Tytuł artykułu

An assessment of left ventricular systolic function with the use of a continuous doppler imaging in dogs with spontaneous mitral regurgitation A preliminary study

Warianty tytułu

Języki publikacji

EN

Abstrakty

EN
The aim of this study was to evaluate systolic function of left ventricle in dogs with spontaneous mitral regurgitation by estimating the rate of pressure rise in the left ventricle (dP/dt). Ninety-three dogs of different breed and sex, with chronic degenerative valvular disease were examined. All dogs had echocardiography examination with dP/dt estimation assessed from mitral regurgitant jet using continuous Doppler-echocardiography. The dogs were divided into four classes of heart failure according to NYHA class. Results: dogs in NYHA I dP/dt = 2,142 ±1,309, SF=33.6±10.5, EF=66.58± 14; NYHA II dP/dt = 3,062 ±1,798, SF=42 ±10, EF=76.5 ±11.5; NYHA III dP/dt = 3,483 ±2,136, SF=44.2 ±21, EF=75.7 ±13; NYHA IV dP/dt = 4,496 ±1,797, SF-40.6 ±6, EF=70.4 ±16. Dogs with chronic cardiac insufficiency and mitral insufficiency due to chronic degenerative valvular disease had no echocardiograhic evidence of left ventricular systolic dysfunction assessed from mitral regurgitant jet dP/dt.

Słowa kluczowe

Wydawca

-

Rocznik

Tom

56

Numer

3

Opis fizyczny

p.399-402,fig.,ref.

Twórcy

autor
  • Department of Internal Diseases with Clinic for Horses, Dogs and Cats, Faculty of Veterinary Medicine, Wroclaw University of Environmental and Life Sciences, Poland
autor

Bibliografia

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  • 2. Bargiggia G.S., Bertucci C., Recusani F., Raisaro A., de Servi S., Valdes-Cruz L.M., Sahn D.J., Tronconi L.: A new method for estimating left ventricular dP/dt by continuous wave Doppler-echocardiography. Validation studies at cardiac catheterization. Circulation. 1989, 80, 1287-1292.
  • 3. Broka S.M., Ducart A.R., Jamart J., Collard E.L., Fournet X.R., Chevalier S., Marchandise B.A., Joucken K.L.: Doppler-derived left ventricular rate of pressure rise and inotropic requirements during mitral valve surgery. J Cardiothorac Vase Anesth 1998, 12, 27-32.
  • 4. Chen C., Rodriguez L., Levine R.A., Weyman A.E., Thomas J.D.: Noninvasive estimation of the instantaneous first derivative of left ventricular pressure using continuous-wave Doppler echocardiography Circulation 1992, 86, 272-278.
  • 5. Chung N., Nishimura R.A., Holmes D.R. Jr, Tajik A.J.: Measurement of left ventricular dp/dt by simultaneous Doppler echocardiography and cardiac catheterization. J Am Soc Echocardiogr 1992, 5, 147-152.
  • 6. Karliner J.S., Lewinter M.M., Mahler F., Engler R., O'Rourke R.A.: Pharmacologic and hemodynamic influences on the rate of isovolumic left ventricular relaxation in the normal conscious dog. J Clin Invest 1977, 60, 511-521.
  • 7. Kittleson M.D., Eyster G.E.. Knowlen G.G., Bari Olivier N., Anderson L.K.: Myocardial function in small dogs with chronic mitral regurgitation and severe congestive heart failure. J Am Vet Med Assoc 1984, 184, 455-459.
  • 8. Kolias T.J., Aaronson K.D., Armstrong W.F.: Doppler- derived dP/dt and -dP/dt predict survival in congestive heart failure. J Am Coll Cardiol 2000, 36, 1594-1599.
  • 9. Laine G.A.: Change in (dP/dT)max as an index of myocardial microvascular permeability. Circ Res 1987, 61, 203-208.
  • 10. McDonald I.G.: Echocardiographic assessment of left ventricular function in mitral valve disease. Circulation 1976, 53, 865-871.
  • 11. Nazli C., Kinay O., Ergene O., Yavuz T., Gedikli O., Hoscan Y., Ozaydin M., Altinbas A., Dogan A., Kahraman H., Acar G.: Use of tissue Doppler echocardiography in early detection of left ventricular systolic dysfunction in patients with mitral regurgitation. Int J Cardiovasc Imaging 2003, 19, 199-209.
  • 12. Pai R.G., Bansal R.C., Shah P.M.: Doppler-derived rate of left ventricular pressure rise: its correlation with the postoperative left ventricular function in mitral regurgitation. Circulation 1990, 82, 514-520.
  • 13. Quinones M.A., Gaasch W.H., Aleksander J.K.: Influence of acute changes in preload, afterload, contractile state and heart rate on ejection and isovolumic indices of myocardial contractility in man. Circulation 1976, 53, 293-302.
  • 14. Rahko P.S.: Comparative efficacy of three indexes of left ventricular performance derived from pressure-volume loops in heart failure induced by tachypacing. J Am Coll Cardiol 1994, 23, 209-218.
  • 15. Rhodes J., Udelson J.E., Marx G.R., Schmid C.H., Konstam M.A., Hijazi Z.M., Bova S.A., Fulton D.R.: A new noninvasive method for the estimation of peak dP/dt. Circulation 1993, 88, 2693-1699.
  • 16. Rivera I.R., Moises V.A., Carvalho A.C., de Paola A.A.: Mildly symptomatic chronic mitral regurgitation. Analysis of left ventricular systolic function and mitral regurgitant fraction under pharmacological influence. Echocardiographic study. Arq Bras Cardiol 2003, 80, 144-149.
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  • 19. Teshima K., Asano K., Sasaki Y„ Kato Y., Kutara K., Edamura K., Hasegawa A., Tanaka S.: Assessment of left ventricular function using pulsed tissue Doppler imaging in healthy dogs and dogs with spontaneous mitral regurgitation. J Vet Med Sci 2005, 67, 1207-1215.
  • 20. Thomas W.P., Gaber C.E., Jacobs G.J., Kaplan P.M., Lombard C.W., Moise N.S.. Moise B.L.: Recommendations for standards in transthoracic two- dimensional echocardiography in the dog and cat. J Vet Int Med 1993, 7, 247-252.
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  • 22. Xiao H.B., Jin X.Y., Gibson D.G.: Doppler reconstruction of left ventricular pressure from functional mitral regurgitation: potential importance of varying orifice geometry. Br Heart J 1995, 73, 53-60.
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Typ dokumentu

Bibliografia

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