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  • Title: Arrhythmias, hypertension and the elderly: Holter evaluation.
    Author: Celentano A, Galderisi M, Mureddu GF, Garofalo M, Tammaro P, de Divitiis O.
    Journal: J Hypertens Suppl; 1988 Nov; 6(1):S29-32. PubMed ID: 3216239.
    Abstract:
    In order to clarify the role of age and hypertension in determining arrhythmias, we evaluated the average heart rate, and the number of supraventricular and ventricular premature beats and their severity (Lown grade) by 24-h Holter electrocardiography of 336 patients. We excluded 54 patients with prolonged runs of atrial fibrillation or supraventricular tachycardia because these arrhythmias reduce the possibility of determining the number of premature beats. Analysis of variance, carried out after dividing the patients into four different groups according to age and blood pressure (excluding patients aged 60-65 years with diastolic blood pressure of 91-94 mmHg) showed that the hypertensives had a higher average heart rate (P less than 0.01) and more supraventricular (P less than 0.05) and premature ventricular (P less than 0.01) beats than the normotensives; no difference was found among groups of different ages. The severity of premature ventricular beats was higher in hypertensives than in normotensives, and also higher in elderly than in 'young' patients (P less than 0.01). In the evaluation of all 336 patients we found correlations between age and severity of premature ventricular beats in both normotensives (P less than 0.05) and hypertensives (P less than 0.001). Multilinear regression showed that mean blood pressure was independently related to the average heart rate, and supraventricular and premature ventricular beats and their severity, while age was correlated independently only with the severity of premature ventricular beats (P less than 0.001). We conclude that hypertension induces arrhythmias, and that age increases their severity.
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