Visceral branch occlusion following aneurysm repair using multibranched thoracoabdominal stent-grafts.

Purpose: To identify risk factors for late-occurring branch occlusion following multibranched endovascular repair of thoracoabdominal and pararenal aortic aneurysm.

Method: Out of 120 patients who underwent multibranched endovascular aneurysm repair between September 2005 and May 2013, 100 (78 men; mean age 72.4 ± 7.