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KMID : 1037520170330020072
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Vascular Specialist International
2017 Volume.33 No. 2 p.72 ~ p.80
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Early Experiences of Sandwich Technique to Preserve Pelvic Circulation during Endovascular Aneurysm Repair
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Kim Dae-Hwan
Chung Jung-Kee
Park Hyung-Sub
Jung In-Mok
Lee Tae-Seung
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Abstract
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Purpose: To report experiences of the sandwich technique (ST) for preservation of pelvic flow during endovascular repair of complex aortic or aortoiliac aneurysms.
Materials and Methods: Eight patients underwent elective endovascular aneurysm repair (EVAR) using the ST between March 2013 and February 2017. The anatomic indications for the ST were complex aortoiliac aneurysms (5 cases), abdominal aortic aneurysms (AAA) with non-diseased short common iliac arteries (2 cases) and AAA with unilateral occluded iliac artery (1 case). The ST was performed through both femoral and brachial approach. Patient clinical and radiologic data were collected and analyzed.
Results: Eight patients (7 male; mean age, 73.4 years) were followed over a mean period of 277 days (range, 9?1,106 days). The technical success rate was 100%. The primary patency rate of the iliac stent-grafts was 88% (14/16 cases). One internal iliac and 1 external iliac stent-graft occlusion was observed during the early postoperative period. There was 1 gutter endoleak which disappeared spontaneously within 4 days, and there were 2 type II endoleaks: one treated by coil embolization after 13 months, and the other observed without treatment. There were no cases of sac growth or aneurysm-related deaths, and no cases of buttock claudication or impotence.
Conclusion: The ST is a safe and feasible technique to preserve pelvic circulation during endovascular treatment of complex aortoiliac aneurysms. The need to expand the indications for complex EVARs with adjunctive procedures, such as the ST is highlighted in situations where branched/fenestrated device availability is limited.
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KEYWORD
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Aortic aneurysm, Endovascular, Double barrel, Sandwich, Endovascular aneurysm repair
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