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본태성 고혈압에서의 혈중 Atrial Natriuretic Peptide 농도와 Renin - Aldosterone 계의 상관관계에 대한 연구
신현호(Hyun Ho Shin),박원근(Won Kun Park),한인권(In Kwon Han),김은주(Eun Joo Kim),김선우(Sun Woo Kim),송정상(Jung Sang Song),배종하(Jong Hoa Bae),최영길(Young Kil Choi) 대한내과학회 1987 대한내과학회지 Vol.32 No.6
N/A Atrial Natriuretic Peptide (ANP) has been shown to posseses a variety of important biologic activities, in- cluding natriuresis, relaxation of vascular smooth muscle, and reduction in aldosterone secretion. This raises the possibility that ANP may play a part in the regulation of volume homeostasis and may be involved in the pathogenesis of essential hypertension. We investigated the relationship of ANP and reninaldosterone system in 12 normal subjects and 24 patients with essential hypertension. The results were as follows; 1) Plasma levels of ANP in patients with essential hypertension were significantly higher than in normotensive controls (131.1±21.7pg/ml VS 102.3±17.4 pg/ml). 2) There were no significant difference in plasma renin activity or aldosterone levels between normotensive and hypertensive subjects. 3) The patients with low renin essential hypertension had a tendency of increased ANP concentration, compared with high renin hypertension patients. 4) Plasma levels of ANP were positively and significantly correlated with blood pressure (Systolic r=0.38, p<0.05; diastolic r=0.49, p<0.005). These results suggests that increased secretion of ANP in essential hypertension may be a compensatory response to a diminished capacity for sodium excretion.