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  • Title: Diuretic or Beta-Blocker for Hypertensive Patients Already Receiving ACEI/ARB and Calcium Channel Blocker.
    Author: Tsai MS, Tang CH, Lin CY, Chuang PY, Chen NC, Huang CH, Chang WT, Wang TD, Yu PH, Chen WJ.
    Journal: Cardiovasc Drugs Ther; 2017 Dec; 31(5-6):535-543. PubMed ID: 29218625.
    Abstract:
    BACKGROUND: In patients already receiving combination of angiotensin-converting enzyme inhibitor (ACEI)/angiotensin receptor blocker (ARB) and calcium channel blocker (CCB), whether the choice of additional diuretic or beta-blocker affects the cardiovascular and cerebrovascular outcomes remains unclear. METHODS: A total of 13,551 patients who were concurrently receiving three anti-hypertensive agents of different classes through outpatient clinics during 2004-2006 were identified from the National Health Insurance Research Database of Taiwan. Patients were further classified into two treatment groups according to the medication possession ratio of drug combinations; the A + B + C group as those who received concurrent therapy of ACEI/ARB, beta-blocker and CCB. The A + C + D group as patients who received ACEI/ARB, CCB, and diuretics. The event-free survival of stroke, acute myocardial infarction (AMI), mortality, and major adverse cardiovascular events (MACE) between the two treatment groups was investigated. RESULTS: After propensity score matching, there were 5120 patients in each group. There were no differences in the incidence of cardiovascular events between the two groups. In patients with prior history of cerebrovascular accident (CVA), the A + C + D group had a significantly higher AMI-free survival (adjusted HR = 1.56; 95% CI 1.051-2.307; p < 0.05) as compared with the A + B + C group. CONCLUSION: Adding a diuretic may be better than adding a beta-blocker for treating hypertensive patients with prior CVA history who have already received ACEIs/ARBs and CCBs.
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