This study will be performed based on a retrospective analysis of the cases of 150-170 patients with IPAH observed at the Research Institute of Clinical Cardiology over the past 10 years, for a comparative assessment of the survival of groups of patients with IPAH diagnosed in the period 2004-2013 and 2014-2023.
The demographic, clinical, functional, hemodynamic characteristics of patients, comorbidity, blood biomarker levels, received PAH-specific and symptomatic therapy will be assessed in order to determine the clinical characteristics of patients with IPAH.
The prospective part of study will include 50 patients with IPAH.