Introduction: Pulmonary arterial hypertension is a progressive haemodynamic disease with high morbidity and mortality. Of the different treatments available, the prostacyclin analogues are the drugs of choice for high-risk patients, with treprostinil being the most commonly used drug in Argentina.
Methodology: The objective of this study is to perform a retrospective evaluation of the efficacy and safety of subcutaneous treprostinil in regular clinical practice in Argentina in 51 patients with pulmonary arterial hypertension after 12 months of follow-up.