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- W2405727242 abstract "Type II endoleaks are frequent after endovascular aortic aneurysm repair (EVAR). Patent lumbar arteries and/or inferior mesenteric artery (IMA) are the main source of the leaks. Reports about their natural history, follow-up, and management remain controversial. The purpose of this study was to assess the long-term outcomes of embolization of type II endoleak using different endovascular techniques and embolization materials. Over a 12-year period, 31 patients underwent embolization (41 procedures) of type II endoleaks after EVAR (84% standard EVAR; 16% fenestrated EVAR). Patients underwent transarterial (14 [34%]) and translumbar (26 [63%]) embolization of the endoleak cavity and feeding artery using Onyx 18, Onyx 34, coils, Amplatz plug, and thrombin. Embolization success was defined as the absence of endoleak reintervention after initial embolization. Fisher exact test/χ2 was used for statistical analysis. The median age of the cohort was 75 years (interquartile [IQR], 68-82 years), 27 patients (87%) were men. The median embolization time after aortic repair was 14 months (IQR, 8.5-30.5 months). Fifteen (36%) embolization interventions were performed using Onyx 18; 7 (17%) with coils and Onyx 34; 6 (14%) with Onyx 34; 4 (10%) with coils and Onyx 18; 4 with Onyx 18 and Onyx 34; and 3 (7%) with coils and thrombin; 1 (2%) with coils; and 1 (2%) with an Amplatz plug. Eleven patients (35%) required reintervention at a median time of 5.5 months (IQR, 4-37 months). Two patients had persistent endoleaks after secondary intervention. Embolization success rate was 71.43% (10) for patients with lumbar arteries as the source of the endoleak, 80% (8) when the IMA was the source, and 40% (2) when both the IMA and lumbar arteries were the source of the endoleak (P = .05). There was no statistically significant difference with regards to type of embolization, embolic material, and type of previous aortic repair in patients with and without reintervention. Endovascular therapy of type II endoleaks is challenging, with a need of reintervention in up to 36% of patients. Endoleaks with feeding IMA and lumbar arteries have lower rate of embolization success." @default.
- W2405727242 created "2016-06-24" @default.
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- W2405727242 date "2016-06-01" @default.
- W2405727242 modified "2023-09-28" @default.
- W2405727242 title "PC050. Long-Term Outcomes of Embolization of Type II Endoleaks" @default.
- W2405727242 doi "https://doi.org/10.1016/j.jvs.2016.03.285" @default.
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