Introduction:

Pulmonary arterial hypertension is a rare disease. It results a progressive increase in pulmonary vascular resistance and in right ventricular failure and early death. Specific treatments have improved the life expectancy of patients but the long-term prognosis remains poor, resulting in a high mortality of 40% at 3 years.

Materials and methods:

The research conducted is descriptive, cross-sectional and retrospective. It was carried out in a third level general hospital between May 2004 and August 2020. The measured variables were functional capacity (CF), PAPm, 6-minute walk test (PM6M) and other clinical parameters. Variables related to specific pharmacological treatment and adverse effects, as well as pharmacological adherence were also collected.

Results:

The study population was 27 patients, most of them women, with an average age of 62 years. More than 80% of patients presented CF II-III and PM6M of moderate risk. First-line and monotherapy treatments were mainly sildenafil and bosentan, with an Ia recommendation level. Ambrisentan was also a first-line treatment. The other drug groups were in the minority among patients. On the other hand, no statistically significant differences in PM6M variation were found, although there was positive variation in PAPm.

Conclusions:

The patients had been on specific treatment for more than three years. In terms of safety, adverse effects were minor and adherence to treatment high.

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