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Frequency-Domain Optical Coherence Tomography for Intracranial Atherosclerotic Stenosis: Feasibility, Safety, and Preliminary Experience

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机构: [1]Department of Neurosurgery, Xuanwu Hospital, Capital Medical University, Beijing, China [2]Department of Interventional Neuroradiology, Xuanwu Hospital, Capital Medical University, Beijing, China [3]Neuroradiology & Neurointervention Service, Brigham and Women’s Hospital and Harvard Medical School, Boston, MA, United States
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关键词: intracranial stenosis ischemic stroke optical coherence tomography percutaneous intervention vertebrobasilar insufficiency

摘要:
Background: Despite advances in non-invasive imaging, the characterization of atherosclerotic plaque remains superior with frequency-domain optical coherence tomography (FD-OCT) in the clinical coronary and experimental cerebrovascular literature. An assessment of the feasibility and safety of FD-OCT for intracranial atherosclerotic stenosis (ICAS) is desirable. Methods: We analyzed a cohort of all consecutive FD-OCT evaluations for ICAS performed at our institution from April 2017 to August 2018 (16 months) in patients who suffered from transient ischemic attack (TIA) or non-disabling stroke despite optimal medical management within 90 days of admission attributable to angiographically verified 70-99% stenosis of an intracranial artery. Results: Thirty-three patients harboring 36 lesions with an average age of (57.6 +/- 7.1) years (male sex 27 cases) comprising nine cases of lesions located within the anterior circulation and 24 cases within the posterior circulation were identified. Of the 33 patients with 36 lesions, the FD-OCT imaging catheter detected 35/36 (97%) lesions except in one case in which the FD-OCT catheter failed to navigate excessively tortuous vessels, and FD-OCT images in 27 patients (81.8%) were finally obtained successful, where the target lesion was fully visible, and image quality under at least one pullback was graded 2 or 3. There were no symptomatic complications. Blood flow was the most common artifact encountered (51.9%). Conclusion: FD-OCT is safe and feasible for the assessment of ICAS in the anterior and posterior circulation. The use of diagnostic interferometry will have to be weighed against its cost, and these preliminary findings should be verified by prospective large-scale studies.

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出版当年[2020]版:
大类 | 3 区 医学
小类 | 3 区 临床神经病学 3 区 神经科学
最新[2023]版:
大类 | 3 区 医学
小类 | 3 区 临床神经病学 3 区 神经科学
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出版当年[2019]版:
Q2 CLINICAL NEUROLOGY Q3 NEUROSCIENCES
最新[2023]版:
Q2 CLINICAL NEUROLOGY Q3 NEUROSCIENCES

影响因子: 最新[2023版] 最新五年平均 出版当年[2019版] 出版当年五年平均 出版前一年[2018版] 出版后一年[2020版]

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第一作者机构: [1]Department of Neurosurgery, Xuanwu Hospital, Capital Medical University, Beijing, China
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通讯机构: [1]Department of Neurosurgery, Xuanwu Hospital, Capital Medical University, Beijing, China [2]Department of Interventional Neuroradiology, Xuanwu Hospital, Capital Medical University, Beijing, China
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