Prevalence of ecocardiographic indexes of diastolic disfunction in hypertensive patients

Prevalencia de disfunción diastólica por ecocardiograma en hipertensión arterial Cross sectional study

Arterial hypertension is frequently associated to diastolic dysfunction which constitutes a cardiovascular risk marker per se. Echocardiography is the most commonly used and relevant diagnostic method. Ohjective: to estahlish the prevalence of diastolic dysfunction among hypertensive subjects with pulsed Doppler echocardiography (pulsed and tissue). Methods: A cross sectional study was conducted. Baseline transthoracic echocardiograms assessing the E wave and A wave in pulsed Doppler and E wave in tissue Doppler in hypertensive patients over fifteen years of age who attended the cardiology service at Hospital de San José between March and August 2009, were performed. Results: 115 patients were studied, 53% females and 47% males, mean age 66.1 years. Diastolic dysfunction was detected in 82 % of hypertensive population with the pulsed Doppler technique, most of them classified as grade I (74.8% ). The latter was not documented with tissue Doppler. Frequency of diabetes mellitus, smoking and renal replacement therapy was greater within positive cases. Conclusions: frequency of diastolic dysfunction diagnosed with pulsed Doppler is high in hypertensive patients.  Diagnosis  requires the use of multiple parameters and must not be Iimited to pulsed and/or tissue techniques.

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