Journal of vascular surgery · 2022
Internal iliac artery preservation during endovascular aortic repair using in situ laser fenestration.
СтатьяПоддержка исследования: вне правительства СШАНазвание и аннотация: Перевод в очереди
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Ye Kaichuang, Qiu Peng, Qin Jinbao, Peng Zhiyou, Li Weimin, Yin Minyi, Lu Xinwu
Аннотация
OBJECTIVE: The purpose of the present study was to evaluate the technical and short-term clinical outcomes of internal iliac artery (IIA) reconstruction during endovascular aortic repair (EVAR) with in situ laser-assisted fenestration in cases of abdominal aortic aneurysm (AAA) in which the iliac artery is unfit for an internal branched device (IBD).
METHODS: In the present single-institution retrospective study, we analyzed patients with AAAs who had undergone EVAR with in situ laser-assisted fenestration for IIA reconstruction between January 2018 and April 2021. The study included patients with iliac artery anatomy unfit for the use of commercial IBDs. The primary safety end point was freedom from major adverse events and unplanned reinterventions within 30 days. The primary efficacy end point was freedom from IIA restenosis, reintervention, and symptoms due to pelvic ischemia at 1 year after the procedure.
RESULTS: A total of 20 patients requiring IIA reconstruction but with anatomy unfit for IBD placement were treated with in situ laser-assisted fenestration during EVAR for aortoiliac aneurysms during the study period. The mean age of our patients was 72 years, and 90% were men. The technical success rate was 100%. No patient had died within 30 days after the procedure. A suspicious IIA perforation had occurred in one patient, which was treated with an additional covered stent, for a primary safety end point of 95.0%. After a mean follow-up of 11 months, all except for one of the reconstructed IIAs were patent. Three patients reported symptoms of buttock claudication on the IIA occluded side at their 3-month follow-up after the procedure. However, these symptoms had subsided in two of these patients at 6 months. Type II endoleaks without sac expansion had occurred in two patients owing to retrograde blood flow from the inferior mesenteric artery and lumbar artery. Both patients were kept under close surveillance. The rate of freedom from major adverse events and unplanned reinterventions within 30 days (primary efficacy end point) was 86.3% at 1 year after procedure.
CONCLUSIONS: In situ laser-assisted fenestration was found to be a safe and effective alternative method for IIA reconstruction during EVAR for aortoiliac aneurysms in patients with anatomy unfit for IBD.
METHODS: In the present single-institution retrospective study, we analyzed patients with AAAs who had undergone EVAR with in situ laser-assisted fenestration for IIA reconstruction between January 2018 and April 2021. The study included patients with iliac artery anatomy unfit for the use of commercial IBDs. The primary safety end point was freedom from major adverse events and unplanned reinterventions within 30 days. The primary efficacy end point was freedom from IIA restenosis, reintervention, and symptoms due to pelvic ischemia at 1 year after the procedure.
RESULTS: A total of 20 patients requiring IIA reconstruction but with anatomy unfit for IBD placement were treated with in situ laser-assisted fenestration during EVAR for aortoiliac aneurysms during the study period. The mean age of our patients was 72 years, and 90% were men. The technical success rate was 100%. No patient had died within 30 days after the procedure. A suspicious IIA perforation had occurred in one patient, which was treated with an additional covered stent, for a primary safety end point of 95.0%. After a mean follow-up of 11 months, all except for one of the reconstructed IIAs were patent. Three patients reported symptoms of buttock claudication on the IIA occluded side at their 3-month follow-up after the procedure. However, these symptoms had subsided in two of these patients at 6 months. Type II endoleaks without sac expansion had occurred in two patients owing to retrograde blood flow from the inferior mesenteric artery and lumbar artery. Both patients were kept under close surveillance. The rate of freedom from major adverse events and unplanned reinterventions within 30 days (primary efficacy end point) was 86.3% at 1 year after procedure.
CONCLUSIONS: In situ laser-assisted fenestration was found to be a safe and effective alternative method for IIA reconstruction during EVAR for aortoiliac aneurysms in patients with anatomy unfit for IBD.