Impact of Vessel Diameter Measured by Preprocedural Computed Tomography Angiography on Immediate and Late Outcomes of Endovascular Therapy for Iliac Artery Diseases.
We evaluated whether vessel diameters measured by preprocedural computed tomography angiography (CTA) affects the immediate and late outcomes of endovascular therapy for iliac artery diseases.



A total of 254 patients who underwent endovascular treatment for iliac artery diseases were retrospectively evaluated. Minimum vessel diameters were measured on preprocedural CTA images at target lesions, common iliac arteries, and external iliac arteries (EIA). Predictors of immediate and late procedural outcomes were analyzed. Procedural failure or vessel-specific complications occurred in 29 patients (11%): wire passage failure (n=10), rupture (n=8), and distal embolization (n=11). Target lesion revascularization (TLR) was required in 6.0% at 2 years. Independent predictors of procedural failure or vessel-specific complications were small minimum vessel diameter of the target lesion (odds ratio [OR]=0.68, P=0.008) or EIA (OR=0.67, P=0.008), and chronic total occlusions (OR=3.78, P=0.036). Small minimum EIA diameter (hazard ratio [HR]=0.66, P=0.017) and chronic total occlusions (HR=4.45, P=0.024) were independent predictors of TLR in patients with technical success.



Small vessel diameter of the target lesion or EIA was an independent predictor of procedural failure or vessel-specific complications. Small vessel diameter, particularly of the EIA, was also associated with increased TLR after successful endovascular therapy for iliac artery lesions.
Department of Internal Medicine, Sanggye Paik Hospital, Inje University.
Sung-Jin
SJ
Hong
Division of Cardiology, Severance Cardiovascular Hospital, Yonsei University Health System and Cardiovascular Institute, Yonsei University College of Medicine.
Young-Guk
YG
Ko
Division of Cardiology, Severance Cardiovascular Hospital, Yonsei University Health System and Cardiovascular Institute, Yonsei University College of Medicine.
Dong-Ho
DH
Shin
Division of Cardiology, Severance Cardiovascular Hospital, Yonsei University Health System and Cardiovascular Institute, Yonsei University College of Medicine.
Jung-Sun
JS
Kim
Division of Cardiology, Severance Cardiovascular Hospital, Yonsei University Health System and Cardiovascular Institute, Yonsei University College of Medicine.
Byeong-Keuk
BK
Kim
Division of Cardiology, Severance Cardiovascular Hospital, Yonsei University Health System and Cardiovascular Institute, Yonsei University College of Medicine.
Donghoon
D
Choi
Division of Cardiology, Severance Cardiovascular Hospital, Yonsei University Health System and Cardiovascular Institute, Yonsei University College of Medicine.|Severance Biomedical Science Institute, Yonsei University College of Medicine.
Myeong-Ki
MK
Hong
Division of Cardiology, Severance Cardiovascular Hospital, Yonsei University Health System and Cardiovascular Institute, Yonsei University College of Medicine.|Severance Biomedical Science Institute, Yonsei University College of Medicine.
Yangsoo
Y
Jang
D000368:Aged; D001157:Arterial Occlusive Diseases / Q000000981:diagnostic imaging; D000072226:Computed Tomography Angiography / Q000379:methods*; D057510:Endovascular Procedures / Q000379:methods*; D005260:Female; D006801:Humans; D007083:Iliac Artery / Q000000981:diagnostic imaging* / Q000473:pathology / Q000601:surgery; D008297:Male; D008875:Middle Aged; D012189:Retrospective Studies; D013997:Time Factors; D017211:Treatment Failure; D016896:Treatment Outcome; D014652:Vascular Diseases / Q000000981:diagnostic imaging
Complications; Computed tomography; Failure; Iliac artery; Patency