Valvuloarterial impedance in aortic stenosis: Look at the load, but do not forget the flow

European Journal of Echocardiography

Volumn 12, Issue 5, 2011, Pages 354-357

  Lancellotti, Patrizio ^a   Magne, Julien ^a  

^a UNIVERSITY OF LIÈGE   (Belgium)

Author keywords

[No Author keywords available]

Indexed keywords

AORTA STENOSIS; ARTERY COMPLIANCE; CLINICAL FEATURE; CORONARY ARTERY BLOOD FLOW; DISEASE COURSE; DISEASE SEVERITY; DOPPLER ECHOCARDIOGRAPHY; HEART AFTERLOAD; HEART VENTRICLE EJECTION; HYPERTENSION; IMPEDANCE; PRIORITY JOURNAL; REVIEW; SURVIVAL RATE; SYSTOLIC BLOOD PRESSURE; VALVULOARTERIAL IMPEDANCE;

AORTIC VALVE; AORTIC VALVE STENOSIS; HEALTH STATUS INDICATORS; HEMODYNAMICS; HUMANS; PROGNOSIS; RISK ASSESSMENT; SEVERITY OF ILLNESS INDEX; STROKE VOLUME; VENTRICULAR FUNCTION, LEFT;

EID: 79956110887     PISSN: 15252167     EISSN: 15322114     Source Type: Journal    
DOI: 10.1093/ejechocard/jer044     Document Type: Review

References (23)

1. Iung B, Baron G, Butchart EG, Delahaye F, Gohlke-Barwolf C, Levang OW et al. A prospective survey of patients with valvular heart disease in Europe: the Euro Heart Survey on Valvular heart Disease. Eur Heart J 2003;24:1231-43. (Pubitemid 36834640)
2. Krayenbuehl HP, Hess OM, Monrad ES, Schneider J, Mall G, Turina M. Left ventricular myocardial structure in aortic valve disease before, intermediate, and late after aortic valve replacement. Circulation 1989;79:744-55. (Pubitemid 19100533)
3. Nishimura RA, Grantham JA, Connolly HM, Schaff HV, Higano ST, Holmes DR Jr, Low-output, low-gradient aortic stenosis in patients with depressed left ventricular systolic function: the clinical utility of the dobutamine challenge in the cathe-terization laboratory. Circulation 2002;106:809-13.
4. Blitz LR, Herrmann HC. Hemodynamic assessment of patients with low-flow, low-gradient valvular aortic stenosis. Am J Cardiol 1996;78:657-61. (Pubitemid 126658620)
5. Blais C, Burwash IG, Mundigler G, Dumesnil JG, Loho N, Rader F et al. The projected valve area at normal flow rate improves the assessment of stenosis severity in patients with low flow aortic stenosis: the multicenter TOPAS (Truly or Pseudo Severe Aortic Stenosis) study. Circulation 2006;113:711-21.
6. Monin JL, Monchi M, Gest V, Duval-Moulin AM, Dubois-Range JL, Gueret P. Aortic stenosis with severe left ventricular dysfunction and low transvalvular pressure gradients. J Am Coll Cardiol 2001;37:2101-7.
7. Monin JL, Quere JP, Monchi M, Petit H, Baleynaud S, Chauvel C et al. Low-gradient aortic stenosis: operative risk stratification and predictors for long-term outcome: a multicenter study using dobutamine stress hemodynamics. Circulation 2003;108: 319-24. (Pubitemid 36899023)
8. Quere JP, Monin JL, Levy F, Petit H, Baleynaud S, Chauvel C et al. Influence of pre-operative left ventricular contractile reserve on postoperative ejection fraction in low-gradient aortic stenosis. Circulation 2006;113:1738-44. (Pubitemid 43958466)
9. Pereira JJ, Lauer MS, Bashir M, Afridi I, Blackstone EH, Stewart WJ et al. Survival after aortic valve replacement for severe aortic stenosis with low transvalvular gradients and severe left ventricular dysfunction. J Am Coll Cardiol 2002;39: 1356-63. (Pubitemid 34297877)
10. Schwammenthal E, Vered Z, Moshkowitz Y, Rabinowitz B, Ziskind Z, Smolinski AK et al. Dobutamine echocardiography in patients with aortic stenosis and left ventricular dysfunction: predicting outcome as a function of management strategy. Chest 2001;119:1766-77. (Pubitemid 32744935)
11. Connolly HM, Oh JK, Schaff HV, Roger VL, Osborn SL, Hodge DO et al. Severe aortic stenosis with low transvalvular gradient and severe left ventricular dysfunction. Result of aortic valve replacement in 52 patients. Circulation 2000;101: 1940-46. (Pubitemid 30225275)
12. De Filippi CR, Willett DL, Brickner E, Appleton CP, Yancy CW, Eichhorn EJ et al. Usefulness of dobutamine echocardiography in distinguishing severe from nonse-vere valvular aortic stenosis in patients with depressed left ventricular function and low transvalvular gradients. Am J Cardiol 1995;75:191-94.
13. Horstkotte D, Loogen F. The natural history of aortic valve stenosis. Eur Heart J 1988;9(Suppl. E):57-64.
14. Levy F, Laurent M, Monin JL, Maillet JM, Pasquet A, Le Tourneau T et al. Aortic valve replacement for low-flow/low-gradient aortic stenosis: operative risk stratification and long-term outcome: a European multicenter study. J Am Coll Cardiol 2008;51:1466-72. (Pubitemid 351479228)
15. O'Connor K, Lancellotti P, Pierard LA. Stress Doppler echocardiography in valvular heart diseases: utility and assessment. Future Cardiol 2010;6:611-25.
16. Clavel MA, Fuchs C, Burwash IG, Mundigler G, Dumesnil JG, Baumgartner H et al. Predictors of outcomes in low-flow, low-gradient aortic stenosis: results of the multicenter TOPAS Study. Circulation 2008;118:S234-42.
17. Tribouilloy C, Levy F, Rusinaru D, Gueret P, Petit-Eisenmann H, Baleynaud S et al. Outcome after aortic valve replacement for low-flow/low-gradient aortic stenosis without contractile reserve on dobutamine stress echocardiography. J Am Coll Cardiol 2009;53:1865-73.
18. Briand M, Dumesnil JG, Kadem L, Tongue AG, Rieu R, Garcia D et al. Reduced systemic arterial compliance impacts significantly on left ventricular afterload and function in aortic stenosis: implications for diagnosis and treatment. J Am Coll Cardiol 2005;46:291-98. (Pubitemid 40966858)
19. Cramariuc D, Cioffi G, Rieck AE, Devereux RB, Staal EM, Ray S et al. Low-flow aortic stenosis in asymptomatic patients: valvular-arterial impedance and systolic function from the SEAS Substudy. JACC Cardiovasc Imaging 2009;2:390-99.
20. Lancellotti P, Donal E, Magne J, O'Connor K, Moonen ML, Cosyns B et al. Impact of global left ventricular afterload on left ventricular function in asymptomatic severe aortic stenosis: a two-dimensional speckle-tracking study. Eur J Echocardiogr 2010;11:537-43.
21. Lancellotti P, Donal E, Magne J, Moonen M, O'Connor K, Daubert JC et al. Risk stratification in asymptomatic moderate to severe aortic stenosis: the importance of the valvular, arterial and ventricular interplay. Heart 2010;96:1364-71.
22. Hachicha Z, Dumesnil JG, Pibarot P. Usefulness of the valvuloarterial impedance to predict adverse outcome in asymptomatic aortic stenosis. J Am Coll Cardiol 2009;54:1003-11.
23. Levy F, Monin JL, Rusinaru D, Petit-Eisenmann H, Lelguen C, Chauvel C et al. Does valvuloarterial impedance improve risk stratification in low-ejection fraction, low-gradient aortic stenosis? Results from a multicenter study. Eur J Echocardiogr 2011;12:358-63.