Paolo Perini, Mauro Gargiulo, Roberto Silingardi, Stefano Bonardelli, Raffaello Bellosta, Marco Franchin, Stefano Michelagnoli, Mauro Ferrari, Giorgio U Turicchia, Antonio Freyrie
BACKGROUND: An occult endoleak (OE) may be the underlying cause of aneurysm sac expansion after EVAR. The aim of this study is to describe intraoperative findings of OE during surgical endograft explantations. METHODS: This is a retrospective, multicentre analysis of all open conversions (OC) after EVAR from 1997 to 2020 in 12 vascular centres. We excluded patients with a preoperative diagnosis of endograft infection, endograft thrombosis, and thoracic-EVAR. An OE was defined as an endoleak revealed during OC not shown on preoperative imaging, which was likely the real cause for sac enlargement...
September 19, 2022: International Angiology: a Journal of the International Union of Angiology