Pulmonary Arteriovenous Malformations: Safety and Efficacy of Microvascular Plugs

AJR. American Journal of Roentgenology
Elyas MahdjoubMarie-France Carette

Abstract

The purpose of this study is to assess the safety and efficacy of microvascular plugs for the treatment of pulmonary arteriovenous malformations (PAVMs). From July 2014 to March 2017, 22 consecutive patients with hereditary hemorrhagic telangiectasia underwent treatment of PAVMs using microvascular plugs. The number, location, and type (simple or complex) of PAVM and the diameter of the feeding artery were assessed at angiography. Safety was evaluated by successful detachment and absence of migration of the microvascular plug after deployment. Efficacy was assessed by technical success, defined as immediate stasis in the feeding artery above the microvascular plug at the time of angiography, and by the persistence rate at 1-year follow-up CT. Thirty-nine PAVMs (36 simple and three complex) were treated with 52 microvascular plugs in 22 consecutive patients. Thirty-three PAVMs were undergoing initial treatment and six were undergoing retreatment after previous embolotherapy. All microvascular plugs were successfully detached. No microvascular plug migration was observed. The mean (± SD) feeding artery diameter was 2.3 ± 0.7 mm. Technical success was achieved for 51 of 52 (98%) microvascular plug deployments. Follow-up CT, which ...Continue Reading

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Citations

Jan 14, 2020·Vascular and Endovascular Surgery·Thomas JardinetGeert Maleux
Jun 25, 2020·Journal of Clinical Medicine·Shamaita Majumdar, Justin P McWilliams
May 27, 2021·The British Journal of Radiology·Harshit KramdhariAnoop Ayyappan

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