Influence of bisoprolol and nebivolol on the regulatory-adaptive status of patients with diastolic chronic heart failure

Background. Chronic heart failure (CHF) is the most common outcome of cardiovascular disease, of hypertension disease (HD). Beta-blockers contribute to the correction of hypertension, reduce heart remodeling, slow the progression of CHF. At the same time, bisoprolol and nebivolol differing pharmacochemical properties can have a multidirectional effect on the regulatory-adaptive status (RAS). 
Aim. To determine the effect of bisoprolol or nebivolol therapy on the RAS of patients with diastolic CHF on the background of HD III stage. 
Material and methods. The study involved 68 patients with diastolic CHF who were randomized into two groups for treatment with bisoprolol or nebivolol. As part of the combination therapy, patients were administered quinapril was prescribed (13.52.5 mg/day, n=34 and 12.82.8 mg/day, n=34), and if indicated, acetylsalicylic acid, atorvastatin. Initially and after 24 weeks of therapy were carried out: quantitative assessment of RAS, echocardiography, treadmill test, six-minute walking test, subjective assessment of quality of life, determination of the level of N-terminal propeptide of brain natriuretic hormone in blood plasma, daily monitoring of blood pressure. 
Results. Both schemes of combined therapy comparably improved the structural and functional state of the heart, controlled arterial hypertension. In comparison with bisoprolol, nebivolol differed positive impact on RAS, more increased tolerance to physical activity and improved quality of life. 
Conclusion. In patients with diastolic CHF and HD III stage, the use of nebivolol in combination therapy may be preferable due to the positive effect on RAS, in comparison with bisoprolol.