All fenestrations were stented using balloon-expandable covered stents (iCAST). The median number of fenestrations was 4 (IQR,3-4). Results: Over a 24-month period, 48 patients (39 male and 9 females) with a median age of 72 years (interquartile range, 66-77) underwent FEVAR using iCMD’s. Preoperative demographic data, anatomic variables, and operative techniques, including target vessel diameter and stent selection were included in the study. A retrospective review of a prospectively maintained database was performed. Type 1c endoleaks were defined as leaks that originated from lack of distal apposition of the visceral or renal stents. Methods: A single institutional study was performed to assess the incidence of type 1c endoleaks after FEVAR using iCMD’s under a physician sponsored investigational device exemption (IDE). The aim of this study is to assess our institutional incidence and management of type 1c endoleaks after FEVAR using investigational fenestrated custom-made devices (iCMDs). With the use of fenestrated devices and stenting of the visceral vessels, the occurrence endoleaks originating from the distal attachment sites in visceral vessels has been described (type 1c endoleaks). Robert C Allen 1, David Timaran 1, Ryan Meehan 1, Lucyna Cieciura 1, Martyn Knowles 2, Carlos Timaran 1ġUniversity of Texas Southwestern, Dallas, TX 2University of North Carolina health care, chapel hill, TXīackground: Fenestrated endovascular aneurysm repair (FEVAR) has become an option for complex abdominal aortic aneurysms (AAAs).The occurrence of endoleaks is a common complication of endovascular aortic repair. The Incidence and Management of Type 1C Endoleaks Using Investigational Fenestrated Custom-Made Devices(iCMD’s) for Fenestrated Endovascular Aneurysm Repair(FEVAR)
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