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- Funck-Brentano, Christian, et al.
(författare)
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Influence of order and type of drug (bisoprolol vs. enalapril) on outcome and adverse events in patients with chronic heart failure: a post hoc analysis of the CIBIS-III trial
- 2011
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Ingår i: European Journal of Heart Failure. - : Wiley. - 1879-0844 .- 1388-9842. ; 13:7, s. 765-772
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Tidskriftsartikel (refereegranskat)abstract
- Aims Angiotensin-converting enzyme inhibitors (ACE-Is) and beta-blockers are associated with improved outcome in patients with chronic heart failure (CHF). In this post hoc analysis of the CIBIS III trial, we examined the influence of the order of drug administration on clinical events and achieved dose. We also assessed the relations between dose levels and baseline variables or adverse events. Methods and results In the CIBIS III trial, 1010 patients (mean age: 72.4 years; mean ejection fraction: 28.8%; male: 68.2%) with stable CHF were randomized to up-titration of monotherapy with either bisoprolol (target dose 10 mg o.d.) or enalapril (target dose 10 mg b.i.d.) for 6 months, followed by their combination for 6-24 months. Endpoints were mortality or all-cause hospitalization, mortality alone and mortality or cardiovascular hospitalization. The study drug (ACE-I or beta-blocker) was last prescribed at >= 50% of target dose to significantly more patients for the first initiated drug in both treatment groups (both P < 0.001). Sixty per cent of endpoints were reached during the monotherapy phase and randomized treatment during monotherapy was not a predictor of the three assessed outcomes. Monotherapy phase was the strongest independent predictor of outcome (P < 0.0001 for all endpoints). Older age, NYHA class III, impaired renal function, lower body weight and blood pressure at baseline, and hypotension, bradycardia and heart failure during treatment were associated with the inability to reach high dose of both study drugs. Conclusion The order of drug administration plays an important role in whether CHF patients reach target doses of bisoprolol and enalapril. For both study drugs, the dose level reached was associated with baseline characteristics and adverse events. In CHF patients not treated with an ACE-I or a beta-blocker, the duration of monotherapy with either type of drug should be shorter than 6 months.
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- Van de Ven, Louis L. M., et al.
(författare)
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The effect of treatment with bisoprolol-first versus enalapril-first on cardiac structure and function in heart failure
- 2010
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Ingår i: International Journal of Cardiology. - : Elsevier BV. - 0167-5273. ; 144:1, s. 59-63
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Tidskriftsartikel (refereegranskat)abstract
- Background: In CIBIS III, initiating chronic heart failure (CHF) treatment with bisoprolol (target dose 10 mg q.d.) followed by combination therapy with enalapril (target dose 10 mg b.i.d.), compared to the opposite order, showed similar effects on survival and hospitalization. By echocardiography, we evaluated the effects of these treatment strategies on cardiac structure and function. Methods: In a single-centre substudy, we compared the impact on left ventricular (LV) dimensions and ejection fraction (EF) of treatment with bisoprolol-first (n = 21) and enalapril-first (n = 19) in 40 beta-blocker and angiotensin-converting-enzyme-inhibitor naive patients, with stable, mild or moderate CHF (NYHA II-III) and LVEF <= 35%. Echocardiography was performed at baseline, after the 6-month monotherapy phase and after 12 months, i.e. after 6 months combination therapy. Results: Baseline characteristics were similar across treatment groups. After 6 months LVEF increased by 5.1 +/- 4.0 EF-% (P<0.0001) with Bisoprolol and 4.0 +/- 4.0 EF-% (P = 0.0005), with enalapril (between-group P = 0.47). LV end-diastolic volume (LVEDV) decreased by 8.1 +/- 4.7 ml (P<0.0001) with bisoprolol and by 4.6 +/- 8.2 ml (P = 0.03) with enalapril (between-group P = 0.16). Mean wall thickness (WT) decreased by 0.31 +/- 0.43 mm (P = 0.004) with bisoprolol and by 0.18 +/- 0.48 mm (P = 0.11) with enalapril (between-group P = 0.29). From baseline to 12 months, LVEF increased by 7.5 +/- 4.0 EF-% (P<0.0001) in Bisoprolol first group and 6.0 +/- 4.6 EF-% (P<0.0001), in the enalapril first group (between-group P = 0.31). LVEDV decreased by 12.9 +/- 6.3 ml (P<0.0001) with bisoprolol-first and by 7.9 +/- 7.7 ml (P = 0.0006) with enalapril-first (between-group P = 0.16) and WT decreased by 0.38 +/- 0.44 mm (P = 0.0008) and 0.59 +/- 0.54 mm (P = 0.0004), respectively (between-group P = 0.10). Conclusion: During both monotherapy and combined therapy, bisoprolol-first and enalapril-first similarly reversed cardiac remodelling and improved LVEF. (C) 2009 Elsevier Ireland Ltd. All rights reserved.
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