Single-center 10-year retrospective analysis of Amplatzer Vascular Plug 4 embolization for pulmonary arteriovenous malformations with feeding arteries of <6 mm

To evaluate the efficacy and safety of Amplatzer Vascular Plug 4 (AVP4) embolization in pulmonary arteriovenous malformations (PAVMs) with small- to medium-sized feeding arteries (<6 mm) and to identify factors affecting persistence and the main persistence patterns after embolization.