Echocardiographic Evaluation of Right Ventricular Stroke Work Index in Advanced Heart Failure: A New Index?

Abstract Background Right ventricular (RV) function plays a pivotal role in advanced heart failure patients, especially for screening those who may benefit from left ventricular assist device (LVAD) implantation. We introduce RV contraction pressure index (RVCPI) as a new echo-Doppler parameter of R...

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Bibliographic Details
Published in:Journal of cardiac failure 2012-12, Vol.18 (12), p.886-893
Main Authors: Frea, Simone, MD, Bovolo, Virginia, MD, Bergerone, Serena, MD, D'Ascenzo, Fabrizio, MD, Antolini, Marina, MD, Capriolo, Michele, MD, Canavosio, Federico Giovanni, MD, Morello, Mara, MD, Gaita, Fiorenzo, MD
Format: Article
Language:English
Subjects:
Cardiac Catheterization
Cardiovascular
catheterization
echocardiography
Echocardiography, Doppler
Female
Heart failure
Heart Failure - physiopathology
heart transplantation
Heart Ventricles - diagnostic imaging
Humans
Hypertrophy, Right Ventricular - diagnostic imaging
Hypertrophy, Right Ventricular - physiopathology
Logistic Models
LVAD
Male
Middle Aged
Myocardial Contraction - physiology
Prospective Studies
Reproducibility of Results
right ventricle
right ventricular contraction-pressure index
Sensitivity and Specificity
Stroke Volume - physiology
Ventricular Dysfunction, Right - diagnosis
Ventricular Dysfunction, Right - physiopathology
Ventricular Function, Right - physiology
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Summary:Abstract Background Right ventricular (RV) function plays a pivotal role in advanced heart failure patients, especially for screening those who may benefit from left ventricular assist device (LVAD) implantation. We introduce RV contraction pressure index (RVCPI) as a new echo-Doppler parameter of RV function. The accuracy of RVCPI in detecting RV failure was compared with the criterion standard, the RV stroke work index (RVSWI) obtained through right heart catheterization in advanced heart failure patients referred for heart transplantation or LVAD implantation. Methods and Results Right heart catheterization and echo-Doppler were simultaneously performed in 94 consecutive patients referred to our center for advanced heart failure (ejection fraction (EF) 24 ± 8.8%, 40% NYHA functional class IV). RV stroke volume and invasive pulmonary pressures were used to obtain RVSWI. Simplified RVCPI (sRVCPI) was derived as TAPSE × (RV − right atrial pressure gradient). Close positive correlation between sRVCPI and RVSWI was found ( r  = 0.68; P  
ISSN:1071-9164
1532-8414
DOI:10.1016/j.cardfail.2012.10.018