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  • Title: Effects of hypertension on intimal-medial thickness, left ventricular mass and aortic distensibility.
    Author: Guarini P, Tedeschi C, Giordano G, Messina V, Cicatiello AM, Strollo L.
    Journal: Int Angiol; 1994 Dec; 13(4):317-22. PubMed ID: 7790752.
    Abstract:
    The aim of the study was to evaluate arterial distensibility, intimal-medial thickening of the common carotid artery, left ventricular mass and the eventual correlations among these parameters in the hypertensive state. Our study population consisted of 89 hypertensive patients aged 35 to 80 years (mean age 60.8 +/- 10.6 years), and 76 normotensive subjects aged 45 to 85 years (mean age 61.2 +/- 11.1 years). Those patients constantly presenting systolic blood pressure values > or = 160 mmHg or diastolic blood pressure > 90 mmHg were diagnosed as hypertensive. Each patient underwent a B-mode echotomographic examination of the extracranial carotid tract performed with a Vingmed CFM 750 echotomographer with a 7.5 MHz probe and M-mode echocardiography with a Vingmed CFM 750 device equipped with a 3.0 MHz transducer. The results show the intimal-media thickness value in hypertensive patients (0.90 +/- 0.22 mm on the right and 0.92 +/- 0.22 mm on the left), was significantly greater than that in normotensive subjects (0.64 +/- 0.13 mm on the right and 0.64 +/- 0.13 mm on the left, p < 0.001); in hypertensive subjects, interventricular septum thickness (12.1 +/- 1.25 mm) was significantly greater than that in normotensive patients (9.1 +/- 0.77 mm, p < 0.001). In conclusion, we can say that hypertensive subjects have higher values of common carotid artery intimal-medial thickness than normotensives and that this finding is associated with the presence of left ventricular hypertrophy and with a reduction in arterial compliance. Vascular ultrasonography, as well as echocardiography and arterial mechanography can show, in hypertensive subjects, cardiac and vascular abnormalities in a non invasive way.
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