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  • Title: Revision of the Sokolow-Lyon-Rappaport and cornell voltage criteria for left ventricular hypertrophy.
    Author: Rodrigues SL, D'Angelo L, Pereira AC, Krieger JE, Mill JG.
    Journal: Arq Bras Cardiol; 2008 Jan; 90(1):46-53. PubMed ID: 18317640.
    Abstract:
    BACKGROUND: Electrocardiographically-detected left ventricular hypertrophy (LVH) is a strong predictor of cardiovascular morbidity and mortality. OBJECTIVE: To assess the performance of the Sokolow-Lyon-Rappaport (SLR) and Cornell voltage criteria in a population sample regarding the diagnosis of LVH on echocardiogram (ECHO). METHODS: A total of 641 out of the 682 participants of the second phase of the MONICA-Vitória project were assessed using electrocardiogram and echocardiogram. A subgroup of healthy individuals (n=269) was used to generate reference values of LV mass (LVM). Sensitivities and specificities of the electrocardiographic criteria were determined by the ROC (receptor-operator characteristics) curve in relation to the diagnosis of LVH, as defined by the internal echocardiographic criterion (LVM > 48 and 46 g/m2.7 for males and females, respectively). RESULTS: The prevalence of LVH as detected by ECHO was 23.7% in the total sample, in which 49% of the individuals were hypertensive. The Cornell criterion showed a better association with the LVM as estimated by ECHO (r= 0.37, p < 0.01) than the SLR criterion (r= 0.19) as well as a better performance in the analysis of the area under the ROC curve. The new cut-off points for the internally-defined Cornell voltage criterion (2.3 mV for males and 1.9 mV for females) showed an acceptable combination of sensitivity (22.5 and 28% for males and females, respectively), with a high specificity (95%). CONCLUSION: The classic SLR and Cornell voltage criteria showed a low performance in relation to LVH as detected by the ECHO. However, this accuracy may be improved by using the Cornell voltage criteria defined in the present study.
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