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The technique and outcomes of pulmonary artery pseudoaneurysm (PAP) embolization was retrospectively evaluated in 13 patients undergoing 14 PAP embolizations between January 2014 and September 2023. The etiology of the PAP was iatrogenic (4/13), tumor (3/13), chronic lung (2/13), idiopathic (2/13) and mycotic (2/13). Clinical presentation was massive hemorrhage (6/13), incidental (4/13), and non-massive hemoptysis (3/13). The average PAP size was 13.5 mm. Coil embolization of the PAP sac was performed in all but two extenuating cases (11/13). Follow-up of 12 patients over an average 5.3-months showed persistent occlusion in all cases. There were no major adverse events attributed to the embolization. Five out of ten patients with procedures performed at least one year before this study were noted to be deceased after an average seven-month time. PAPs of various etiologies may be safely and effectively treated by occluding the aneurysm inflow, outflow, and sac.
Fish et al. (Sat,) studied this question.
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