Prevalence, factors, and clinical impact of self-expanding stent fractures following iliac artery stenting Wataru Higashiura, MD, Yasushi Kubota, MD,

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Prevalence, factors, and clinical impact of self-expanding stent fractures following iliac artery stenting Wataru Higashiura, MD, Yasushi Kubota, MD, Shoji Sakaguchi, MD, Norio Kurumatani, MD, Mitsuhiro Nakamae, RT, Kiyoshi Nishimine, MD, Kimihiko Kichikawa, MD Journal of Vascular Surgery Volume 49, Issue 3, Pages 645-652 (March 2009) DOI: 10.1016/j.jvs.2008.10.019 Copyright © 2009 The Society for Vascular Surgery Terms and Conditions

Fig 1 Cumulative primary and assisted primary patency rates. a, Cumulative primary patency rates in iliac arteries with and without fractured stent were 90% and 93% at 3 years, 90% and 91% at 5 years, and 90% and 91% at 8 years, respectively. b, Cumulative assisted primary patency rates in iliac arteries with and without fractured stent were 90% and 97% at 3 years, 90% and 97% at 5 years, and 90% and 97% at 8 years, respectively. No significant difference in cumulative primary patency rate and assisted primary patency rate (P = .80 and P = .20) was seen between groups. Journal of Vascular Surgery 2009 49, 645-652DOI: (10.1016/j.jvs.2008.10.019) Copyright © 2009 The Society for Vascular Surgery Terms and Conditions

Fig 2 Stent fracture following iliac artery stenting for right common and external iliac artery occlusions. Type III stent fracture at 12-month follow-up (a, b). The stent placed in the iliac artery bends during hip joint bending. Stent fracture is apparent at the bend site of the stent (c). However, CT angiography shows no evidence of restenosis (d, e). Journal of Vascular Surgery 2009 49, 645-652DOI: (10.1016/j.jvs.2008.10.019) Copyright © 2009 The Society for Vascular Surgery Terms and Conditions

Fig 3 A case with aneurysmal dilatation of iliac artery with fractured stent following nitinol stenting for left common and external iliac arterial occlusion. a, Plain radiograph shows type IV stent fracture. b, Digital subtraction angiography indicates aneurysmal dilatation of iliac artery at the fracture site. Journal of Vascular Surgery 2009 49, 645-652DOI: (10.1016/j.jvs.2008.10.019) Copyright © 2009 The Society for Vascular Surgery Terms and Conditions