4.7 Article

Prevalence and Characterisation of Severe Left Ventricular Hypertrophy Diagnosed by Echocardiography in Hypertensive Patients

Journal

JOURNAL OF CLINICAL MEDICINE
Volume 12, Issue 1, Pages -

Publisher

MDPI
DOI: 10.3390/jcm12010228

Keywords

arterial hypertension; blood pressure; left ventricular hypertrophy; hypertension-mediated organ damage; echocardiography; electrocardiography

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The study aimed to investigate the prevalence of left ventricular hypertrophy (LVH) in patients with arterial hypertension (AHT) and describe patients with severe LVH. The results showed that over half of the AHT patients (52.5%) had abnormal left ventricular geometry, and 7.3% had severe LVH. Patients with severe LVH were more likely to be male, older, have uncontrolled blood pressure (especially during sleep), receive multiple antihypertensive treatments, and have comorbidities compared to those with normal left ventricular geometry.
Background: Arterial hypertension (AHT) is the leading preventable cause of death worldwide. Left ventricular hypertrophy (LVH) is one of the most important prognostic markers in hypertension and a predictor for mortality. The goals of this study were to examine the prevalence of LVH detected by echocardiography in patients with AHT and to describe patients with severe LVH. Methods: This is a retrospective monocentric study including patients treated at a tertiary hypertension clinic. Echocardiographic data were taken from written reports from our hospital's echocardiography laboratories. We compared patients with severe LVH (septum thickness >= 15 mm) with patients with normal left ventricular (LV) geometry and with patients with concentric or eccentric hypertrophy regarding age, gender, comorbidities, medication, duration of hypertension, blood pressure (BP) and ECG changes at time of echocardiography. Results: Twenty-nine patients (7.3%) out of four hundred patients showed severe LVH and one hundred and eighty-nine (47.3%) a normal geometry. In comparison to patients with normal geometry, patients with severe LVH were more likely to be male, older, and with more uncontrolled BP, especially regarding asleep values, multi-drug antihypertensive treatment and comorbidities. In comparison to patients with concentric or eccentric hypertrophy, patients with severe LVH had a significantly higher diastolic BP in the 24 h mean, awake and asleep values. A positive Sokolow-Lyon index did not predict LVH. However, patients with severe LVH were more likely to have T-wave-inversions V4-V6 in at least one lead. Conclusions: More than half of the patients with AHT have an abnormal geometry in our study (52.5%) and 7.3% a severe LVH. Patients with severe LVH have more often an uncontrolled AHT than patients with a normal LV geometry, despite more antihypertensive treatment. The Sokolow-Lyon index seems to be insufficient to detect LVH.

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