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  • Title: Lipid profile in 100 men with moderate hypertension treated for 1 year with atenolol or hydrochlorothiazide plus amiloride: a double-blind, randomized study.
    Author: Otterstad JE, Froeland G, Soeyland AK, Illingworth JM.
    Journal: Scand J Clin Lab Invest; 1992 Apr; 52(2):83-93. PubMed ID: 1589701.
    Abstract:
    A double-blind randomized study comparing the effects of 1 year's treatment with atenolol (A) 50 mg or hydrochlorothiazide 25 mg plus amiloride 5 mg (Moduretic (M)) on the lipid profile was performed in 100 hypertensive men (mean age 47, range 22-64 years). After 4 weeks' wash-out and 4 weeks on placebo therapy subjects were randomized to either A or M therapy and followed up every third month for 1 year. If the diastolic blood pressure (DBP) was greater than or equal to 95 mmHg at a subsequent visit, the doses were doubled (n = 17 for A and n = 12 for M) and, if DBP was still greater than or equal to 95 mmHg on double dose, nifedipine 20 mg b.d. was added (n = 15 for A and n = 27 for M, p less than 0.05). The lowering of heart rate (p = 0.0001) and DBP (p = 0.005) was more pronounced with A after 1 year. During that time no significant treatment differences were noted for total cholesterol, low-density lipoprotein (LDL) cholesterol or apoproteins A and B. High-density lipoprotein (HDL) cholesterol decreased from a mean of 1.19 (+/- 0.36) mmol l-1 to 1.13 (+/- 0.35) with A, and increased from 1.14 (+/- 0.30) mmol l-1 to 1.22 (+/- 0.28) with M, and this treatment difference was significant (p = 0.0002). The triglycerides increased from 2.0 (+/- 1.2) mmol l-1 to 2.3 (+/- 1.6) in the A group and did not change with M treatment (p = 0.02) for treatment difference). In view of similar effects on cholesterol, LDL cholesterol and apoproteins, the prognostic importance of the observed treatment differences on HDL cholesterol and triglycerides remains to be established.
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