Pelvic collateral pathway during endovascular aortoiliac aneurysm repair with internal iliac artery interruption: a retrospective observational study

摘要

3DCTA in a case of isolated CIA aneurysm. The bilateral superficial femoral arteries were deleted in the all Figures. a Preoperative 3DCTA showing an isolated left CIA aneurysm (red arrow), the contralateral DFA, LFCA, MFCA and ObA. b Preoperative 3DCTA showing an isolated left CIA aneurysm (red arrow), the ipsilateral DFA, LFCA, MFCA and ObA. c Postoperative 3DCTA showing the exclusion of the left CIA aneurysm using a stent graft with left IIA interruption (arrowhead), the contralateral DFA, LFCA, MFCA and ObA. d Postoperative 3DCTA showing the exclusion of the left CIA aneurysm using a stent graft with left IIA interruption (arrowhead), the ipsilateral DFA, LFCA, MFCA and ObA, and the ipsilateral MFCA communicated with ipsilateral ObA. 3DCTA three-dimensional contrast-enhanced computed tomography angiography, CIA common iliac artery, DFA deep femoral artery, LFCA lateral femoral artery, MFCA medial femoral circumflex artery, ObA obturator artery, IIA internal iliac artery