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  • Title: [Influence of the beta-blocker nebivolol on left ventricular function in patients with chronic heart failure].
    Author: Wolf SC, Buck-Müller N, Görner S, Risler T, Brehm BR.
    Journal: Med Klin (Munich); 2003 Jan 15; 98(1):1-6. PubMed ID: 12540987.
    Abstract:
    BACKGROUND: Sympathetic activity is a significant predictor of a poor prognosis in heart failure. beta-blockers such as carvedilol, metoprolol or bisoprolol have been shown to improve the prognosis of patients with heart failure. AIM: This pilot study examined the tolerability and effect of the new beta-blocker nebivolol on left ventricular ejection fraction in patients with chronic heart failure. PATIENTS AND METHODS: Twelve patients with an ejection fraction of 13-39% were included into a double-blind, placebo-controlled, randomized trial with nebivolol on top of a standard therapy. Exercise time, heart rate, left ventricular function, and tolerability were examined at baseline and after 3 months of orally administered nebivolol (2.5 mg and 5 mg, n = 6) or placebo (n = 6). RESULTS: Nebivolol was well tolerated and NYHA stage improved in four patients. Heart rate decreased while the maximal exercise duration and performance remained stable. Left ventricular function improved (ejection fraction: increase from 29.8 +/- 10.66% to 41.2 +/- 10.53%; p = 0.007) after 12 weeks of nebivolol whereas placebo did not improve cardiac function statistically significant. Left ventricular endsystolic diameter decreased from 56.5 +/- 9.40 mm to 50.2 +/- 9.43 mm in the nebivolol group (p < or = 0.02). CONCLUSION: These data indicate that nebivolol might improve cardiac function in patients with chronic heart failure.
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