Effectiveness of add-on low-dose diuretics in combination therapy for hypertension: Losartan/hydrochlorothiazide vs. candesartan/amlodipine
Effectiveness of add-on low-dose diuretics in combination therapy for hypertension: Losartan/hydrochlorothiazide vs. candesartan/amlodipine
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DOI:
10.1291/hypres.30.831
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发表时间:
2007-09-01
影响因子:
5.4
通讯作者:
Fujita, Toshiro
中科院分区:
文献类型:
--
作者:
Shimosawa, Tatsuo;Gohchi, Kengo;Fujita, Toshiro
In guidelines, a combination therapy of two or more antihypertensives is recommended for treatment of hypertension where monotherapy is ineffective. Although diuretics or calcium channel blockers are commonly used as add-ons to angiotensin receptor blocker (ARB), the most effective and safe combination has not been established. In this randomized 4-month study, the efficacy and safety were compared between an ARB/diuretics (losartan/hydrochlorothiazide [HCTZ]) combination and the most prescribed combination, ARB/calcium channel blocker (candesartan/amlodipine) in hypertensive patients for whom 8 mg/day of candesartan proved ineffective. After 36 patients were recruited and allocated into two groups, changes in blood pressure (BP) and laboratory values were analyzed in 31 patients: 16 patients received losartan (50 mg/day)/HCTZ (12.5 mg/day) (L/H group), and 15 patients received candesartan (8 mg/day)/amiodipine (5 mg/day) (C/A group) after 5 patients were withdrawn. After 4 months, UH significantly (p