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INTRODUCTION: First type secondary endoleaks (EL) require quickest elimination, primarily using the endovascular methods. Despite the existence of a sufficiently large number of methods of their elimination, the results of treatment remain ambiguous. AIM: Analysis of our own experience of elimination of the first type ELs in patients after endoprosthetics of infrarenal abdominal aortic aneurysm. MATERIALS AND METHODS: The study is retrospective with prospective observation. All patients underwent computed tomography (CT) for identification of the type of EL and choosing a method of its elimination. The term first type secondary EL was understood as EL which developed in the long-term period after the primarily negative CT-angiography after endoprosthetic repair of the aorta. RESULTS: ELs of Ia type were diagnosed in 14 cases, in one case EL of Ib type was identified. On average, first type secondary ELs were identified in 34 months after the primary operation for endograft implantation. In 2 of 15 patients, EL were symptomatic. The elimination of the first type EL required an individualized approach in all cases. The main methods of elimination of the first type EL were: elongation using Jotec E-iliac (n = 1); coiling with implantation of Gore cuff and Chimney-stenting of the left renal artery (LRA; n = 2); implantation of Gore cuff (n = 4); reinforcement with Aptus EndoAnchors (n = 2); Cuff Gore implantation and LRA stenting by Chimney-technique (n = 1); implantation of Cuff Jotec and reinforcement with Aptus EndoAnchors (n = 1); aneurysmal sac coiling (n = 2); Gore cuff implantation with fixation with EndoAnchors and LRA stenting using Chimney-technique (n = 1). The technical success of EL elimination was 100% (in all cases, the success was confirmed by intraoperative angiography, as well as by CT angiography or ultrasound duplex scanning with contrast enhancement after surgery), there were no deaths. In the long-term period (from 6 to 60 months), re-interventions were performed in two cases, fatal outcome happened in one case, after a late open conversion for elimination of EL. CONCLUSION: In 13% of cases, first type ELs were symptomatic, and their elimination required individual approach with taking into account anatomical factors and the implanted graft. The medium-term results of the elimination of the first type EL are good, no fatal cases have been reported, and the number of reinterventions has reached 20%, which requires monitoring in the postoperative period.
INTRODUCTION: First type secondary endoleaks (EL) require quickest elimination, primarily using the endovascular methods. Despite the existence of a sufficiently large number of methods of their elimination, the results of treatment remain ambiguous. AIM: Analysis of our own experience of elimination of the first type ELs in patients after endoprosthetics of infrarenal abdominal aortic aneurysm. MATERIALS AND METHODS: The study is retrospective with prospective observation. All patients underwent computed tomography (CT) for identification of the type of EL and choosing a method of its elimination. The term first type secondary EL was understood as EL which developed in the long-term period after the primarily negative CT-angiography after endoprosthetic repair of the aorta. RESULTS: ELs of Ia type were diagnosed in 14 cases, in one case EL of Ib type was identified. On average, first type secondary ELs were identified in 34 months after the primary operation for endograft implantation. In 2 of 15 patients, EL were symptomatic. The elimination of the first type EL required an individualized approach in all cases. The main methods of elimination of the first type EL were: elongation using Jotec E-iliac (n = 1); coiling with implantation of Gore cuff and Chimney-stenting of the left renal artery (LRA; n = 2); implantation of Gore cuff (n = 4); reinforcement with Aptus EndoAnchors (n = 2); Cuff Gore implantation and LRA stenting by Chimney-technique (n = 1); implantation of Cuff Jotec and reinforcement with Aptus EndoAnchors (n = 1); aneurysmal sac coiling (n = 2); Gore cuff implantation with fixation with EndoAnchors and LRA stenting using Chimney-technique (n = 1). The technical success of EL elimination was 100% (in all cases, the success was confirmed by intraoperative angiography, as well as by CT angiography or ultrasound duplex scanning with contrast enhancement after surgery), there were no deaths. In the long-term period (from 6 to 60 months), re-interventions were performed in two cases, fatal outcome happened in one case, after a late open conversion for elimination of EL. CONCLUSION: In 13% of cases, first type ELs were symptomatic, and their elimination required individual approach with taking into account anatomical factors and the implanted graft. The medium-term results of the elimination of the first type EL are good, no fatal cases have been reported, and the number of reinterventions has reached 20%, which requires monitoring in the postoperative period.
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