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J Am Coll Cardiol, 2005; 45:1034-1040, doi:10.1016/j.jacc.2004.10.073
© 2005 by the American College of Cardiology Foundation
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Impact of valve prosthesis-patient mismatch on pulmonary arterial pressure after mitral valve replacement

Mingzhou Li, MD, PhD, Jean G. Dumesnil, MD, FACC, Patrick Mathieu, MD and Philippe Pibarot, DVM, PhD, FACC*

Research Group in Valvular Heart Diseases, Research Center of Laval Hospital/Quebec Heart Institute, Laval University, Sainte-Foy, Quebec, Canada



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  		Figure 1 Correlation between systolic pulmonary arterial (PA) pressure and indexed mitral valve effective orifice area. An indexed mitral valve effective orifice area ≤1.2 cm2/m2 afforded the best sensitivity and specificity for the prediction of PA hypertension defined as a systolic PA pressure >40 mm Hg (thin lines).

 


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  		Figure 2 Prevalence of pulmonary arterial (PA) hypertension before and after mitral valve replacement in patients with prosthesis-patient mismatch (PPM) versus those with no PPM. Open bars = preoperative; solid bars = postoperative.

 


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  		Figure 3 Correlation between systolic pulmonary arterial (PA) pressure and net atrioventricular compliance.

 


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  		Figure 4 Systolic pulmonary arterial (PA) pressure according to valve prosthesis-patient mismatch (PPM) and net atrioventricular compliance (Cn). Low Cn is defined as Cn ≤4.0 ml/mm Hg.

 




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