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  • Title: Local carotid arterial stiffness is an independent determinant of left ventricular remodeling in never-treated hypertensive patients.
    Author: Vriz O, Magne J, Jarosh J, Bossone E, Aboyans V, Palatini P.
    Journal: Blood Press; 2019 Feb; 28(1):23-33. PubMed ID: 30465442.
    Abstract:
    PURPOSE: The aim was to investigate the association between blood pressure (BP), carotid stiffness, carotid-femoral pulse wave velocity (cfPWV) and left ventricular (LV) remodeling in never-treated hypertensive patients. MATERIAL AND METHODS: 178 never-treated hypertensive underwent transthoracic echocardiography, 24-hour ambulatory BP monitoring (ABPM), local carotid stiffness and regional cfPWV assessed using a high-definition echo-tracking ultrasound system and a tonometric transducer, respectively. LV parameters and arterial stiffness were also considered in dippers and non-dippers. RESULTS: Mean night-time BP best correlated with carotid and LV parameters. Carotid stiffness parameters (β-index, pressure-strain elastic modulus, one-point PWV) correlated with LV mass, relative wall thickness, and E/A ratio while cfPWV correlated only with E/A ratio. In multiple regression analysis, age and mean night-time ABPM had a stroger relation with carotid stiffness than cfPWV. In a second multiple regression analysis, day and night ABPM and carotid stiffness were independently related with LV remodeling and left atrial volume. In non-dippers, local carotid stiffness parameters were significantly higher than in dippers, whereas cfPWV was not significantly different. CONCLUSIONS: Carotid stiffness parameters are independently associated with LV remodeling and have an additive effect to BP and over cfPWV moreover local arterial stiffness is higher in non-dippers.
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