“…This condition can be congenital or acquired through several etiologies including lung infection (e.g. tuberculosis/actinomycosis), bronchiectasis, pulmonary arterial obstruction, neoplasia, or trauma/surgery (1,(3)(4)(5)(6)(7). Several case reports have indicated that SA-PAF can cause PH because of systemic to pulmonary artery shunts that are created by fistulas, but no reports have shown an efficacy of pulmonary vasodilators.…”