Comparative effects of doxazosin and carvedilol on clinical status and left ventricular function in hypertensive patients with mild heart failure

被引:0
作者
Zacà F. [1 ,3 ]
Benassi A. [1 ]
Bolzani R. [2 ]
Ghidoni I. [2 ]
Santese G. [1 ]
Schipani A. [1 ]
Stefanio C. [1 ]
机构
[1] Dipartimento di Cardiologia Medico-Chirurgica, Hesperia Hospital, Modena
[2] Dipartimento di Psicologia, University of Bologna, Bologna
[3] Modena
关键词
Enalapril; Carvedilol; Doxazosin; Target Blood Pressure; Negative Inotropic Effect;
D O I
10.2165/00151642-200512010-00006
中图分类号
学科分类号
摘要
Introduction: β-Blockers have been shown to be effective in the treatment of both arterial hypertension and heart failure. However, slow titration of β-blockers over several weeks and rigorous supervision are essential to minimise antiadrenergic adverse effects in patients with heart failure. α1-Blockers are well tolerated and effectively lower blood pressure by reducing peripheral resistance. Patients and methods: This study assessed changes in left ventricular function and quality of life in hypertensive patients with mild heart failure treated with enalapril and furosemide combined with a β-blocker with peripheral vasodilating activity (carvedilol) or an α-blocker (doxazosin), over a 1-year period. Sixty patients aged 45-65 years with untreated essential arterial hypertension and mild heart failure were randomised to receive enalapril + furosemide in combination with carvedilol or doxazosin. Results: In the carvedilol compared with the doxazosin group, ejection fraction diminished significantly (38% vs 42%, p < 0.05) and quality of life worsened significantly (Minnesota Living Heart Failure score 54 vs 47, p < 0.05) during the first 3 weeks of treatment. Ejection fraction and quality of life had significantly improved from baseline in both groups by 12 months. Conclusion: Doxazosin in combination antihypertensive therapy rapidly improves clinical status and haemodynamics in hypertensive patients with mild heart failure by reducing afterload. After 1 year, doxazosin and carvedilol improve clinical and haemodynamic parameters. © 2005 Adis Data Information BV. All rights reserved.
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页码:37 / 44
页数:7
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