1. Endovascular optical coherence tomography intensity kurtosis: visualization of vasa vasorum in porcine carotid artery

    Endovascular optical coherence tomography intensity kurtosis: visualization of vasa vasorum in porcine carotid artery

    lication of speckle variance optical coherence tomography (OCT) to endovascular imaging faces difficulty of extensive motion artifacts inherently associated with arterial pulsations in addition to other physiological movements. In this study, we employed a technique involving a fourth order statistical method, kurtosis, operating on the endovascular OCT intensity images to visualize the vasa vasorum of carotid artery in vivo and identify its flow dynamic in a porcine model. The intensity kurtosis technique can distinguish vasa vasorum from the surrounding tissues in the presence of extensive time varying noises and dynamic motions of the arterial wall. Imaging of vasa vasorum and ...

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