Persistent Pulmonary Arteriovenous Malformations: Percutaneous Embolotherapy

Publication date: November 2018

Source: Current Problems in Diagnostic Radiology, Volume 47, Issue 6

Author(s): Ahmed Kamel Abdel Aal, Joseph Eason, Sherif Moawad, Khalid Mahmoud, Basant Farouk Hamed, Moustafa Omar Massoud, Nathan Ertel, Andrew Gunn, Rachel Oser, Souheil Saddekni

Pulmonary arteriovenous malformations (PAVM) are an uncommon entity that interventional radiologists may face in their clinical practice. Many of these lesions are treated successfully using endovascular techniques with satisfactory long-term results. However, some PAVMs respond poorly to initial interventional techniques. This article reviews the signs and symptoms of persistent PAVMs, illustrates different imaging modalities used to diagnose these lesions, and outlines mechanisms by which these lesions may persist. The article highlights techniques and embolic agents used for percutaneous transcatheter embolotherapy of persistent PAVMs and discuss the outcomes of these interventions.

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