[Pulmonary arterial hypertension and renal impairment in patients from the National Institute of Cardiology Dr. Ignacio Chávez, Mexico].

Objective: The objective of the study was to describe the clinical characteristics and the evolution of the severity of pulmonary arterial hypertension (PAH) and the degree of renal failure.

Material And Methods: A retrospective observational study was carried out in which the physical and electronic medical records of 60 patients older than 18 years with a diagnosis of pulmonary arterial hypertension were analyzed.

Results: In our study, 11.