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- W3176976776 abstract "Laser in situ fenestration (LISF) is an expanding technique for arch vessel revascularization in thoracic endovascular aortic repair (TEVAR). We present a single center's early and midterm outcomes using adjunctive LISF with TEVAR for treatment of various arch pathologies.24 patients underwent TEVAR with LISF (2017-2020). Patients were evaluated by an Aortic Team consisting of cardiothoracic and vascular surgeons and were deemed unfit for open surgical repair. Informed consent emphasized the procedure's off-label nature. Thoracic stent-grafts were sized by preoperative Computed Tomography Angiogram and intraoperative Intravascular Ultrasound, with oversizing determined by pathology. Extra-anatomic debranching was performed in staged or concurrent fashion based on urgency of repair and access site options for branch fenestration. A 2.3 mm Spectranetics laser was used, with access site determined at surgeon discretion. Covered balloon expandable stent-grafts were deployed with 0-10% oversizing.In 24 patients, a total of 30 fenestrations were created (LSA N = 19, LCCA N = 3, Innominate N = 7, RSA N = 1) with 1 (N = 18) or 2 (N = 6) fenestrations/patient. Indications included aneurysm (8), chronic dissection with aneurysmal degeneration (8), acute dissection (4), intramural hematoma (2), and pseudoaneurysm (2). 13 cases were elective, and 11 were emergent. Technical success was 100%. 12 patients underwent concurrent (N = 8) or staged (N = 4) extra-anatomic bypass. The major complication rate was 21%, including stroke (N = 3) and 30-day mortality (N = 2). The overall complication rate was 58%. Over a mean follow up of 261 days (15-864 days), 7 patients (32%) have required reinterventions.LISF for branch revascularization in TEVAR is technically feasible for treating various aortic arch pathologies, demonstrating practicality in both elective and emergent settings. With a morbidity and mortality profile that is favorable compared to that of open repair, LISF with TEVAR is a promising potential option for patients with complex arch pathology and prohibitive open surgical risk." @default.
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- W3176976776 date "2021-10-01" @default.
- W3176976776 modified "2023-09-23" @default.
- W3176976776 title "Laser in situ Fenestration in Thoracic Endovascular Aortic Repair: A Single-Center Analysis" @default.
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- W3176976776 doi "https://doi.org/10.1016/j.avsg.2021.05.006" @default.
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