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  • Title: Risk factors that predict development of microalbuminuria in treated hypertensive men. The Risk Factor Intervention Study Group.
    Author: Agewall S, Fagerberg B.
    Journal: Angiology; 1996 Oct; 47(10):963-72. PubMed ID: 8873582.
    Abstract:
    The aim of this prospective study was to investigate the risk factors for development of microalbuminuria in treated hypertensive men with and without diabetes mellitus. Two hundred and ninety-seven treated hypertensive men, aged fifty to seventy-two years, with at least one of the following: serum cholesterol > or = 6.5 mmol/L, smoking, or diabetes mellitus, were included in the study. Patients with elevated overnight urinary albumin excretion (> 17 mg/12 hr) were excluded. Urinary albumin excretion (UAE), blood pressure, and various well-established risk factor levels were measured. Two hundred thirteen nondiabetic patients and 40 patients with diabetes mellitus completed the three-year follow-up. Development of microalbuminuria was more prevalent in those with diabetes mellitus at baseline compared with the group without diabetes mellitus, 25% and 10.3%, respectively (P = 0.02). Nondiabetic patients who developed microalbuminuria had higher UAE. 10.2 mg +/- 3.7 and 5.7 +/- 3.2, respectively (P < 0.0001), and higher systolic blood pressure 160 mm Hg +/- 27 and 152 +/- 17, respectively (P = 0.043), at baseline compared with whose who remained normoalbuminuric. In the group with diabetes mellitus, a higher UAE, 9.8 +/- 2.7 and 7.1 +/- 3.6, respectively (P = 0.036), at baseline was observed in whose who developed microalbuminuria compared with whose who remained normoalbuminuric. In conclusion, concomitant diabetes mellitus significantly increased the risk for development of microalbuminuria during the three-year follow-up in treated hypertensive men. Patients who progressed to microalbuminuria had higher UAE at baseline, but still within the normoalbuminuric range, compared with thosewho remained normoalbuminuric. Systolic blood pressure at baseline was higher in those who progressed to microalbuminuria, although reaching statistically significance only in the larger nondiabetic group.
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