[The analysis of factors effecting professional self-assessment of physicians].

To explore the factors potentially related to professional self-assessment of physicians, sociological survey on the basis of sampling of 223 respondents who underwent professional training in 2017 was organized. The physicians with the first qualification category more often assessed themselves as "good" than other respondents (p=0.049).

[Effect of ivabradine on pulmonary hypertension in chronic obstructive pulmonary disease].

In order to assess effect of If-channel blocker ivabradine on severity of pulmonary hypertension in chronic obstructive pulmonary disease (COPD) we studied 60 patients with III-IV stage COPD. We divided these patients into 2 groups with similar clinical characteristics and therapy. Patients of one of these groups received ivabradine (10 mg/day) for 2 weeks, patients of another served as controls.