• Rev Assoc Med Bras (1992) · Jan 2023

    CHA2DS2-VASc score, P-wave indexes, and echocardiographic parameters in sinus rhythm patients without valvular heart disease.

    • Amanda Vanessa Demarchi, Luciana Vidal Armaganijan, MoreiraDalmo Antonio RibeiroDAR0000-0003-3962-9992Instituto Dante Pazzanese de Cardiologia - São Paulo (SP), Brazil., Mariane Higa Shinzato, Kelvin Henrique Vilalva, Pablo Santos Graffitti, Rodrigo Augusto de Miranda Bertin, Mathias Antonio Haruno de Vilhena, Murilo Amato David, and Guilherme Dagostin de Carvalho.
    • Instituto Dante Pazzanese de Cardiologia - São Paulo (SP), Brazil.
    • Rev Assoc Med Bras (1992). 2023 Jan 1; 69 (9): e20230607e20230607.

    ObjectiveThe aim of this study was to evaluate the correlation between P-wave indexes, echocardiographic parameters, and CHA2DS2-VASc score in patients without atrial fibrillation and valvular disease.MethodsThis retrospective cross-sectional study included patients of a tertiary hospital with no history of atrial fibrillation, atrial flutter, or valve disease and collected data from June 2021 to May 2022. The exclusion criteria were as follows: unavailable medical records, pacemaker carriers, absence of echocardiogram report, or uninterpretable ECG. Clinical, electrocardiographic [i.e., P-wave duration, amplitude, dispersion, variability, maximum, minimum, and P-wave voltage in lead I, Morris index, PR interval, P/PR ratio, and P-wave peak time], and echocardiographic data [i.e., left atrium and left ventricle size, left ventricle ejection fraction, left ventricle mass, and left ventricle indexed mass] from 272 patients were analyzed.ResultsPR interval (RHO=0.13, p=0.032), left atrium (RHO=0.301, p<0.001) and left ventricle diameter (RHO=0.197, p=0.001), left ventricle mass (RHO=0.261, p<0.001), and left ventricle indexed mass (RHO=0.340, p<0.001) were positively associated with CHA2DS2-VASc score, whereas P-wave amplitude (RHO=-0.141, p=0.02), P-wave voltage in lead I (RHO=-0.191, p=0.002), and left ventricle ejection fraction (RHO=-0.344, p<0.001) were negatively associated with the same score. The presence of the Morris index was associated with high CHA2DS2-VASc (p=0.022).ConclusionProlonged PR interval, Morris index, increased left atrium diameter, left ventricle diameter, left ventricle mass, and left ventricle indexed mass values as well as lower P-wave amplitude, P-wave voltage in lead I, and left ventricle ejection fraction values were correlated with higher CHA2DS2-VASc scores.

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