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AJNR - American Journal of Neuroradiology

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American Journal of Neuroradiology 26:1943-1948, September 2005
© 2005 American Society of Neuroradiology

Technical Note
INTERVENTIONAL

Angioscopic Observation During Carotid Angioplasty with Stent Placement

Hiroshi Tanemura^a, Seiji Hatazaki^a, Fumio Asakura^a, Kenji Kawaguchi^a, Keita Kuraishi^a, Naoki Toma^a, Hiroshi Sakaida^a, Masayuki Maeda^b and Waro Taki^a

^a Department of Neurosurgery, Mie University Medical School, 2-174 Edobashi, Tsu, Mie 514-507, Japan
^b Department of Radiology, Mie University Medical School, 2-174 Edobashi, Tsu, Mie 514-507, Japan

Address correspondence to Waro Taki, Department of Neurosurgery, Mie University Medical School, 2-174 Edobashi, Tsu, Mie 514-8507, Japan

Summary: This clinical report is the first to describe angioscopy during carotid angioplasty with stent placement. The average observation time was 3 minutes 43 seconds in 18 cases. The view was clear in 67% of cases. Lesions in the endothelium, rupture of the fibrous cap, clots, debris detaching from plaque, and stent struts were observed. No symptomatic ischemic complications occurred. Diffusion-weighted MR imaging after angioscopy showed asymptomatic ischemic lesions in 47% of cases.