Because of the shortcomings of existing methods of assessment of inflammation activity in the airways, the method of laser optic-acoustic spectroscopy of patients expired air considered using for this purpose. This method can be used to indirectly evaluate the activity of inflammation in the airways and as an additional criterion for the effectiveness of basic treatment in patients with asthma.

Because of the shortcomings of existing methods of assessment of asthma severity, the method of laser opto-acoustic spectroscopy was considered using for this purpose. Findings results show the availability of this method for diagnostics of clinical course severe asthma.