• Shigeyuki Sakamoto, Yoshihiro Kiura, Yosuke Kajihara, Masaaki Shibukawa, Takahito Okazaki, Toshinori Matsushige, Katsuhiro Shinagawa, Kazutoshi Mukada, and Kaoru Kurisu.
• Department of Neurosurgery, Hiroshima University Graduate School of Biomedical and Health Sciences, 1-2-3 Kasumi,, Minami-ku, Hiroshima, 734-8551, Japan, sakamoto@hiroshima-u.ac.jp.
• Neurosurg Rev. 2013 Oct 1; 36 (4): 551-7; discussion 557-8.

AbstractThe treatment for patients with near occlusion of the cervical internal carotid artery (ICA) is controversial. The aim of this study was to examine the results of carotid artery stenting (CAS) as a surgical treatment for ICA near occlusion. Between April 2008 and September 2012, 14 patients (all men; mean age, 75.4 years) with ICA near occlusion were treated with CAS. This represents 5.2% of a total of 267 patients treated with CAS during the study period. All patients were treated with CAS using an embolic protection device. The proximal balloon protection method was performed in five patients, and the dual protection method using a proximal balloon and distal filter protection was used in nine patients. We examined the change of stenotic lesion, hyperintensity spot in diffusion-weighted imaging (DWI), and perioperative complications after CAS. All near occlusions were successfully dilated. Among 2 of 14 patients, DWI showed 1 and 4 hyperintensity spots. Transient and persistent complications, including neurological deficits, did not occur in any patients. In this small number of cases, CAS using the proximal or dual embolic protection method seems to be a safe and beneficial treatment for ICA near occlusion.

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