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Journal of Tehran University Heart Center [The]. 2009; 4 (2): 85-90
Dans Anglais | IMEMR | ID: emr-91936

Résumé

Echocardiography is the most common test used for the evaluation of aortic regurgitation [AR]. However, the role of echocardiography as an available and inexpensive method in the quantification of AR by the left ventricle to right ventricle stroke volume ratio [LV/RV SV ratio] has not been completely investigated. Between June 2005 and December 2007, 132 consecutive patients with AR [mean age: 44.7 +/- 14.6 years, 52.3% male] were enrolled in the study. All the patients underwent echocardiography; and aortography, if indicated, was performed as well. Fifty-two percent of the patients had severe AR. There was almost a perfect agreement between echocardiography and cardiac catheterization in determining the severity of AR [Kappa=0.81]. Associated valvular disease was found in 81.8% of the patients, the most common disease being mitral regurgitation [61%]. The results of our bivariate and multivariate analyses showed a significant relation between the LV/RV SV ratio and the AR severity via either echocardiography or cardiac catheterization [both P=0.001]. The receiver operating characteristic [ROC] curve analysis showed that the LV/RV SV ratio was very accurate in the detection of severe AR utilizing cardiac catheterization as the gold standard [AUC=0.71]. The cut point value of the LV/RV SV ratio

Sujets)
Humains , Mâle , Femelle , Débit systolique , Échocardiographie , Aortographie , Fonction ventriculaire gauche , Reproductibilité des résultats , Sensibilité et spécificité
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