Abstract
Optical coherence tomography (OCT) is a catheter-based invasive intravascular imaging system that provides unprecedented microstructural information on atherosclerotic plaques. Multiple research teams have begun to explore the use of OCT imaging for carotid plaque assessment (with both occlusive[1][
Highlights
Optical coherence tomography (OCT) is a catheter-based invasive intravascular imaging system that provides unprecedented microstructural information on atherosclerotic plaques
Patients were excluded from the study in case of serum creatinine levels of Ͼ1.2 mg/dL, while kidney function was carefully monitored postoperatively in the included patients to assess the consequences of an extra amount of contrast medium needed for OCT image acquisition
OCT with proximal occlusion does not increase the amount of contrast either because the entire volume following imaging can be re-aspirated, but it requires extra carotid clamping time, which can cause cerebral intolerance
Summary
Optical coherence tomography (OCT) is a catheter-based invasive intravascular imaging system that provides unprecedented microstructural information on atherosclerotic plaques. There is a huge interest in a more exhaustive examination of the stent-plaque interaction after carotid artery stent placement. In this issue of the American Journal of Neuroradiology, Given et al[4] document the benefits of a new OCT system using a nonocclusive technique in the carotid artery.
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