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• W2372070161 abstract "ObjectiveThe aim of this study was to evaluate long-term outcomes of endovascular aneurysm repair (EVAR) using a standard suprarenal fixation endograft in abdominal aortic aneurysms (AAAs) with infrarenal neck length ≤10 mm (short-neck AAA [SN-AAA]).MethodsFrom 2005 to 2010, data of high-risk patients with SN-AAA, unfit for open repair (OR) and fenestrated EVAR, were prospectively collected. Follow-up was performed by duplex ultrasound and contrast-enhanced ultrasound or computed tomography angiography at 1 month, 6 months, and 12 months and yearly thereafter. The primary end point was AAA-related mortality. Secondary end points were proximal type I endoleak, freedom from reintervention, and AAA shrinkage (>5 mm).ResultsSixty patients (mean age, 74.9 ± 6.2 years; American Society of Anesthesiologists class 3 [85%] and class 4 [15%]) were enrolled. The mean aneurysm diameter and neck length and diameter were 60.4 ± 12.2 mm, 8.4 ± 1.6 mm, and 23.5 ± 3 mm, respectively. Four (7%) patients were symptomatic and 15 (25%) had rapid AAA enlargement (>5 mm/6 months). Cook Zenith Flex (Cook Medical, Bloomington, Ind) endografts (32) and Medtronic Endurant (Medtronic, Santa Rosa, Calif) endografts (28) were implanted. The mean follow-up was 51 ± 18 months. Survival at 5 years was 70%. There were three (5%) type I endoleaks. One was sealed by endovascular reintervention, and two (3%) underwent conversion to OR for AAA rupture at 8 and 36 months. Both patients died (2/60; 3% AAA-related mortality). Reinterventions were necessary for another five (8%) patients, and they were not proximal neck related. Freedom from reintervention at 5 years was 90%. In 49 (82%) cases, there was AAA shrinkage; the AAA diameter remained stable in nine (15%) and increased in two (3%) cases. Severe proximal angle (α neck angle ≥60 degrees) was associated with type I endoleak (P = .010) and reinterventions (P = .010). The neck length <7 mm (P = .030) was associated with reinterventions (P = .017).ConclusionsSuprarenal fixation EVAR in SN-AAA with a straight, not wide neck and 7- to 10-mm aortic neck length can be considered safe and effective in patients who are unfit for OR and fenestrated EVAR. For these cases, long-term data showed acceptable results in preventing aneurysm rupture and related mortality. The aim of this study was to evaluate long-term outcomes of endovascular aneurysm repair (EVAR) using a standard suprarenal fixation endograft in abdominal aortic aneurysms (AAAs) with infrarenal neck length ≤10 mm (short-neck AAA [SN-AAA]). From 2005 to 2010, data of high-risk patients with SN-AAA, unfit for open repair (OR) and fenestrated EVAR, were prospectively collected. Follow-up was performed by duplex ultrasound and contrast-enhanced ultrasound or computed tomography angiography at 1 month, 6 months, and 12 months and yearly thereafter. The primary end point was AAA-related mortality. Secondary end points were proximal type I endoleak, freedom from reintervention, and AAA shrinkage (>5 mm). Sixty patients (mean age, 74.9 ± 6.2 years; American Society of Anesthesiologists class 3 [85%] and class 4 [15%]) were enrolled. The mean aneurysm diameter and neck length and diameter were 60.4 ± 12.2 mm, 8.4 ± 1.6 mm, and 23.5 ± 3 mm, respectively. Four (7%) patients were symptomatic and 15 (25%) had rapid AAA enlargement (>5 mm/6 months). Cook Zenith Flex (Cook Medical, Bloomington, Ind) endografts (32) and Medtronic Endurant (Medtronic, Santa Rosa, Calif) endografts (28) were implanted. The mean follow-up was 51 ± 18 months. Survival at 5 years was 70%. There were three (5%) type I endoleaks. One was sealed by endovascular reintervention, and two (3%) underwent conversion to OR for AAA rupture at 8 and 36 months. Both patients died (2/60; 3% AAA-related mortality). Reinterventions were necessary for another five (8%) patients, and they were not proximal neck related. Freedom from reintervention at 5 years was 90%. In 49 (82%) cases, there was AAA shrinkage; the AAA diameter remained stable in nine (15%) and increased in two (3%) cases. Severe proximal angle (α neck angle ≥60 degrees) was associated with type I endoleak (P = .010) and reinterventions (P = .010). The neck length <7 mm (P = .030) was associated with reinterventions (P = .017). Suprarenal fixation EVAR in SN-AAA with a straight, not wide neck and 7- to 10-mm aortic neck length can be considered safe and effective in patients who are unfit for OR and fenestrated EVAR. For these cases, long-term data showed acceptable results in preventing aneurysm rupture and related mortality." @default.
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• W2372070161 date "2016-09-01" @default.
• W2372070161 modified "2023-10-15" @default.
• W2372070161 title "Results of standard suprarenal fixation endografts for abdominal aortic aneurysms with neck length ≤10 mm in high-risk patients unfit for open repair and fenestrated endograft" @default.
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• W2372070161 doi "https://doi.org/10.1016/j.jvs.2016.02.018" @default.
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