ABC | Volume 112, Nº3, March 2019

Original Article Baroncini et al Right ventricle and left atrial volume Arq Bras Cardiol. 2019; 112(3):249-257 Figure 2 – Correlation between right ventricular tricuspid annular plane systolic excursion (RV TAPSE) and right ventricular S’ lateral. 18 17 16 15 14 13 12 11 10 16 18 20 22 24 26 28 RV TAPSE (mm) RV lateral S’ (cm/s) r = 0.70 p < 0.001 Figure 1 – Correlation between right ventricular tricuspid annular plane systolic excursion (RV TAPSE) and left atrial volume (LAV) (left panel; p < 0.001), and between lateral S’ of the right ventricle and LAV (right panel; p < 0.001). RV: right ventricular; LA: left atrium; SE: standard error; SD: standard deviation; Student’s t-test for independent samples; p < 0.05. 25 16t0 15.0 14.0 13.0 12.0 11.0 15.5 14.5 13.5 12.5 11.5 10.5 24 23 22 21 20 19 18 17 < 34 ≥ 34 < 34 ≥ 34 Mean Mean ± SE Mean ± SD Mean Mean ± SE Mean ± SD LAV (mlm 2 ) LAV (mlm 2 ) RV TAPSE (mm) RV lateral S’ (cm/s) Author contributions Conception and design of the research, acquisition of data and analysis and interpretation of the data: Baroncini LAV, Borges LJL, Camarozano AC, Carmo DC, Darwich RZ, Fortunato Junior JÁ; statistical analysis: Baroncini LAV; writing of the manuscript: Baroncini LAV, Darwich RZ, Fortunato Junior JÁ; critical revision of the manuscript for intellectual content: Baroncini LAV, Borges LJL, Camarozano AC, Carmo DC. Potential Conflict of Interest No potential conflict of interest relevant to this article was reported. Sources of Funding There were no external funding sources for this study. Study Association This study is not associatedwith any thesis or dissertationwork. Ethics approval and consent to participate This study was approved by the Ethics Committee of the Universidade Positivo under the protocol number 2331223. All the procedures in this study were in accordance with the 1975 Helsinki Declaration, updated in 2013. Informed consent was obtained from all participants included in the study. 255