This study is a single-center, prospective cohort study to investigate non-invasive method to assess left ventricular diastolic function using echocardiography. Patients with AF who are referred radiofrequency catheter ablation (RFA) will be included prospectively. Transthoracic echocardiography will be performed during, immediately before RFA and with no cardiovascular medication taken between the exams so that the loading conditions during catheterization and echocardiography are as similar as possible. We will validate previously proposed echocardiographic parameters and creat an algorithm to identify the relationship between echocardiographic parameters of diastolic function and invasively measured LA pressure in patients with atrial fibrillation.
Study Type
OBSERVATIONAL
Enrollment
200
Division of Cardiology, Severance Cardiovascular Hospital, Yonsei University College of Medicine
Seoul, South Korea
Association between mean left atrial pressure and echocardiographic parameters
Correlation between echocardiographic parameters or algorithm to estimate invasively measured left atrial pressure. Echocardiographic parameters: E/A ratio, E velocity, e' velocity, E/e', IVRT. LV strain, RV strain,, LA strain, Vp, E/Vp, LA volume index, TV V max, and Peak acceleration rate of mitral E velocity
Time frame: up to 12 weeks after collecting all data
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