[Factors affecting adherence to CPAP therapy in patients with obstructive sleep apnea syndrome].

Objective: Analysis of factors affecting adherence to continuous positive airway pressure (CPAP) therapy in patients with obstructive sleep apnea (OSA).

Material And Methods: The literature search was carried out using the databases PubMED, Google Scholar, E-library, Cyberleninka for the period 2013-2023 and included reviews and original articles.

Results: The main groups of factors affecting adherence to CPAP therapy in patients with OSA have been established.

The activity of Pb in cigarette smoked in Kazakhstan.

The radon decay product Pb is a known component of tobacco. In this study, the activity concentration of Pb in the most popular cigarette brands (six samples) for Kazakhstan consumers was determined by beta spectrometry. The activity levels of Pb ranged between 2.