Five-year findings of the hypertension detection and follow-up program. I. Reduction in mortality of persons with high blood pressure, including mild hypertension. Hypertension Detection and Follow-up Program Cooperative Group. 1979

JAMA ◽  
1997 ◽  
Vol 277 (2) ◽  
pp. 157-166 ◽  
1980 ◽  
Vol 59 (s6) ◽  
pp. 397s-399s ◽  
Author(s):  
E. Reisin ◽  
D. H. Suarez ◽  
E. D. Frohlich

1. The haemodynamic and plasma volume changes associated with obesity and high blood pressure were studied in nine male rats with electrolytic ventromedial hypothalamic lesions and their paired sham-operated controls. Body weight and arterial pressure were greater in the rats with ventromedial hypothalamic lesions (565 ± 16 vs 462 ± 14 g, P<0.001; 128 ± 3 vs 118 ± 3 mmHg, P<0.05, respectively). Cardiac output was slightly elevated, and that portion of cardiac output distributed to the kidneys was reduced (P<0.001). Plasma volume was contracted in the rats with ventromedial hypothalamic lesions (21.0 ± 0.1 vs 2.8 ± 0.1 ml/100 g, P<0.001). 2. The haemodynamic characteristics of rats in which obesity and mild hypertension have been induced by electrolytic ventromedial hypothalamic lesion are similar to mild obesity essential hypertension in men.


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