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  • Title: [Lack of association between blood pressure variability and left ventricular hypertrophy in essential hypertension].
    Author: Gómez Angelats E, Sierra C, Coca A, Paré JC, de la Sierra A.
    Journal: Med Clin (Barc); 2004 Nov 27; 123(19):731-4. PubMed ID: 15574286.
    Abstract:
    BACKGROUND AND OBJECTIVE: Blood pressure (BP) fluctuations may contribute to the development of target organ damage in essential hypertension. However, a possible relationship with left ventricular hypertrophy (LVH) is controversial. The aim of the present study was to analyze the association between BP variability, defined through different instrument measures, and LVH in a group of essential hypertensive patients. PATIENTS AND METHOD: Forty-three untreated hypertensive patients were studied. BP variability was evaluated by using both non-invasive, beat-to-beat finger 24-hour monitoring (Portapres) and discontinuous oscillometric ambulatory blood pressure monitoring (ABPM). All patients underwent echocardiography in order to detect the presence or absence of LVH. RESULTS: Thirty out of 43 patients studied (70%) exhibited LVH. Office [167.7 (19.5) versus 156.7 (14.9) mmHg; p = 0.032], 24-hour ambulatory [146.6 (15.7) versus 131.9 (15.1) mmHg; p = 0.003] and 24-hour continuous finger [147.5 (21.3) versus 135.7 (14.2) mmHg; p = 0.046] systolic BP were significantly higher in patients with LVH with respect to those without cardiac hypertrophy. No differences were observed in terms of nocturnal BP fall, ABPM 24-h standard deviation of BP or continuous finger BP variability estimates. CONCLUSION: Left ventricular hypertrophy is mainly correlated with the severity of systolic BP elevation, but not with BP variability, neither long-term nor short-term.
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