Abstract
The aim of this work was to study the prevalence of the left ventricular diastolic dysfunction and indeterminate diastolic function in sinus hypertension individuals with left ventricular hypertrophy and preserved ejection fraction, and its associated factors. Methods. We enrolled 56 patients (aged 62, 95% confidence intervals (CI) 58–65 years, 53.6% men) with uncontrolled in-treated arterial hypertension who underwent transthoracic echocardiography (TTE, Esaote, MyLabEight). Cardiac diastolic dysfunction was defined when more than half of the TTE criteria was met according to the existing algorithm (average E/e‘, septal / lateral e‘, tricuspid regurgitation velocity, left atrium volume) and indeterminate one, when half of the criteria was encountered. A binary logistic regression analysis (Stata 15, USA) was performed to evaluate parameters for indeterminate diastolic function state. Results. TTE detected the left ventricular diastolic dysfunction only in 5.4%, however, 80.0% subjects had indeterminate diastolic function. Associated with the indeterminate diastolic function pattern factors were age and mitral regurgitation (odds ratios (OR) 8.0, 95% CI 2.19-29.25, p=0.002 and OR 1.06, 95% CI 1.01-1.12, p=0.014, respectively), however, not sex, height, weight, body mass index, diabetes, overweight/obese, and E/e‘. After adjustment for age, sex (female vs male) mitral regurgitation was occurred significantly more often in patients with indeterminate diastolic function in multivariate logistic regression model (OR 5.97, 95% CI1.47-24.35, p=0.013). Conclusions. Prevalence of the left ventricular diastolic dysfunction pattern is low (5.4%) and the indeterminate diastolic function is considerable (80.0%) in cohort of hypertensions with preserved ejection fraction with sinus rhythm. Mitral regurgitation identifies as a factor that associated with the indeterminate diastolic function patterns in hypertension patients.
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