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- W2806366341 abstract "BackgroundAlthough iodinated contrast (IC) agents are commonly used in endovascular aneurysm repair (EVAR), perioperative use in patients with renal dysfunction or IC allergies is avoided. Carbon dioxide (CO2)-guided angiography is a promising alternative. We aimed to evaluate short-term and midterm outcomes of EVAR using CO2-guided angiography.MethodsThree hundred eighty-one patients who underwent EVAR from January 2012 to September 2016 were retrospectively reviewed and divided into an IC-EVAR group (n = 351) and CO2-EVAR group (n = 30). Subjects in the CO2-EVAR group had severe renal dysfunction (n = 27) and IC allergy (n = 4). Intraoperative, postoperative, and follow-up variables were compared.ResultsCompared with the IC-EVAR group, preoperative serum creatinine level was significantly higher (2.0 vs. 0.92 mg/dL, P < 0.0001) and mean IC dose was significantly lower (18 vs. 55 mL, P < 0.0001) in the CO2-EVAR group. The fluoroscopy time, operative time, number of stent grafts placed, and technical success rates of the groups were similar; no type I and/or type III endoleaks were detected on completion angiography. There was no acute kidney injury and one case of intestinal necrosis in the CO2-EVAR group, potentially due to cholesterol embolism. Postoperative endoleak, enlargement of aneurysms, survival, freedom from secondary intervention, and renal function change up to 3 months, postoperatively, were similar between the groups.ConclusionsCO2-EVAR is technically feasible and exhibits prominent renal protection. However, consideration of the aortic lumen status remains an important challenge. Although iodinated contrast (IC) agents are commonly used in endovascular aneurysm repair (EVAR), perioperative use in patients with renal dysfunction or IC allergies is avoided. Carbon dioxide (CO2)-guided angiography is a promising alternative. We aimed to evaluate short-term and midterm outcomes of EVAR using CO2-guided angiography. Three hundred eighty-one patients who underwent EVAR from January 2012 to September 2016 were retrospectively reviewed and divided into an IC-EVAR group (n = 351) and CO2-EVAR group (n = 30). Subjects in the CO2-EVAR group had severe renal dysfunction (n = 27) and IC allergy (n = 4). Intraoperative, postoperative, and follow-up variables were compared. Compared with the IC-EVAR group, preoperative serum creatinine level was significantly higher (2.0 vs. 0.92 mg/dL, P < 0.0001) and mean IC dose was significantly lower (18 vs. 55 mL, P < 0.0001) in the CO2-EVAR group. The fluoroscopy time, operative time, number of stent grafts placed, and technical success rates of the groups were similar; no type I and/or type III endoleaks were detected on completion angiography. There was no acute kidney injury and one case of intestinal necrosis in the CO2-EVAR group, potentially due to cholesterol embolism. Postoperative endoleak, enlargement of aneurysms, survival, freedom from secondary intervention, and renal function change up to 3 months, postoperatively, were similar between the groups. CO2-EVAR is technically feasible and exhibits prominent renal protection. However, consideration of the aortic lumen status remains an important challenge." @default.
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- W2806366341 date "2018-08-01" @default.
- W2806366341 modified "2023-10-16" @default.
- W2806366341 title "Midterm Outcomes of Endovascular Aortic Aneurysm Repair with Carbon Dioxide–Guided Angiography" @default.
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- W2806366341 doi "https://doi.org/10.1016/j.avsg.2018.02.036" @default.
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