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Mansoura Medical Journal. 2006; 37 (1-2): 467-486
ي الانجليزية | IMEMR | ID: emr-182181

الملخص

Left ventricular hypertrophy [LVH] is an independent risk factor for cardiovascular morbidity and mortality in hypertensive patients. The identification of risk factors for the initiation of LVH in patients with hypertension [HTN] is important including microalbuminunuria [MAU] and hyperaldosteronism. Evaluation of the relationship of MAU and plasma aldosterone to blood pressure [BP] and LVH in patients with essential HTN. Thirty male patients with essential HTN and 15 healthy subjects as a control group were subjected to thorough clinical examination, transthoracic echocardiography, lipid profile, serum potassium, and serum aldosterone estimation. MAU was evaluated with dipstick Micral-II Test of fasting midstream morning urine on two successive days. Left ventricular mass index [LVMI] was calculated and values >134gm/m[2] were considered as LVH. Patients with LVMI >134 gm/m[2] had higher serum aldosterone, BMI, Interventricular septal thickness [IVST], Posterior wall thickness [PWT] and Relative wall thickness [RWT]. Serum aldosterone was significantly higher among the test hypertensive group and was positively correlated correlated with LVMI, RWT, PWT, IVST, LVM and negatively correlated with LV diastolic dimensions. MAU was positively correlated with systolic BP, Pulse pressure, BMI and LVMI and a strong relationship between MAU and serum aldosterone was detected. Aldosterone is an important contributor to the development of LVH and hypertensive nephropathy and strong relation between microalbuminuria and aldosterone is detected. The Value of selective aldosterone blockers in preventing target organ damage [TOD] awaits further investigation


الموضوعات
Humans , Male , Aldosterone/blood , Hypertrophy, Left Ventricular/blood , Risk Factors , Blood Pressure , Lipids/blood , Potassium/blood , Urine
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