Relationship between Hypertensive Left Ventricular Hypertrophy and Levels of Endothelin and Nitric Oxide.
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To investigate the relationship between hypertensive left ventricular hypertrophy (LVH) and levels of endothelin (ET) and nitric oxide (NO), and to provide an experimental basis for prevention and treatment of hypertensive LVH. Fifty eight hypertensive patients and 14 healthy controls were studied. All patients were examined by echocardiography. Left ventricular mass (LVM) and left ventricular mass index (LVMI) were calculated using Devereux RB formula. Hypertensive patients were divided into a LVH (+) group (n=21) and a LVH (-) group (n=37), and the levels of endothelin and nitric oxide in the peripheral venous blood were measured. The mean ET level was significantly higher in the LVH (+) group than in LVH (-) group (p <0.05), but the NO level was significantly lower in the LVH (+) group. The ET/NO ratio was significantly higher in the LVH (+) group than in LVH (-) group (p<0.01). For the stepwise multiple regression analysis, the LVMI of hypertensive patients served as a dependent variable, and age, sex, BMI, MAP, ET, NO, and ET/NO served as independent variables. Only MAP, ET, and NO were found to have significant correlation to hypertensive LVH. ET had a significant positive correlation, and NO a significant negative relation to LVMI, but ET/NO showed no correlation to hypertensive LVH. ET and NO are involved in hypertensive LVH; the independent action of ET and NO in the pathogenesis of hypertensive LVH may weaken the relation between ET/NO and hypertensive LVH. (Hypertens Res 2000; 23: 377-380)
- 日本高血圧学会の論文
日本高血圧学会 | 論文
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