1. Articles from w. y. oh

    1-3 of 3
    1. Plasma treatment effect on angiogenesis in wound healing process evaluated in vivo using angiographic optical coherence tomography

      Plasma treatment effect on angiogenesis in wound healing process evaluated in vivo using angiographic optical coherence tomography

      Non-thermal atmospheric pressure plasma holds promise for promoting wound healing. However, plasma-induced angiogenesis, which is important to better understand the underlying physics of plasma treatment effect on wound healing, remains largely unknown. We therefore evaluated the effect of non-thermal plasma on angiogenesis during wound healing through longitudinal monitoring over 30 days using non-invasive angiographic optical coherence tomography imaging in vivo . We demonstrate that the plasma-treated vascular wound area of mouse ear was noticeably decreased as compared to that of control during the early days in the wound healing process. We also observed that the vascular area density was increased in ...

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    2. High-speed automatic segmentation of intravascular stent struts in optical coherence tomography images

      High-speed automatic segmentation of intravascular stent struts in optical coherence tomography images

      Recently, Optical Coherence Tomography (OCT) has become one of the preferred clinical techniques for intracoronary diagnostic imaging. Thanks to its high resolution imaging capability, the OCT technique allows to identify microscopic features associated with various types of coronary plaque and to track of stent position, malaposition and neo-intimal tissue growth after stent implantation. Accurate visualization of stent struts can help to examine the status of implanted stents potentially leading to proper treatment of the coronary artery disease. However, unfortunately, current stent identification involves time-consuming segmentation algorithms sometimes requiring labor-intensive manual analysis process. To resolve the problem, we propose a high-speed ...

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    3. Compensation of motion artifacts in catheter-based optical frequency domain imaging

      Compensation of motion artifacts in catheter-based optical frequency domain imaging

      , , M. Colice, W. Y. Oh, H. Yoo, L. Liu, G. J. Tearney, B. E. Bouma A novel heterodyne Doppler interferometer method for compensating motion artifacts caused by cardiac motion in intracoronary optical frequency domain imaging (OFDI) is demonstrated. To track the relative motion of a catheter with regard to the vessel, a motion tracking system is incorporated with a ... [Opt. Express 18, 11418-11427 (2010)]

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    1-3 of 3
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  2. Topics in the News

    1. (2 articles) Korea Advanced Institute of Science and Technology
    2. (1 articles) Chungnam National University Hospital
    3. (1 articles) Massachusetts General Hospital
    4. (1 articles) Harvard University
    5. (1 articles) Kyoto University Graduate School of Medicine
    6. (1 articles) Carl Zeiss Meditec
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    Compensation of motion artifacts in catheter-based optical frequency domain imaging High-speed automatic segmentation of intravascular stent struts in optical coherence tomography images Plasma treatment effect on angiogenesis in wound healing process evaluated in vivo using angiographic optical coherence tomography Quantification of biomechanical properties of human corneal scar using acoustic radiation force optical coherence elastography Longitudinal changes in complete avascular area assessed using anterior segmental optical coherence tomography angiography in filtering trabeculectomy bleb Quantitative Analysis of Radial Peripapillary Capillary Network in Patients With Papilledema Compared with Healthy Subjects Using Optical Coherence Tomography Angiography Reproducibility of Retinal Nerve Fiber Layer and Macular Thickness Measurements Using Spectral Domain Optical Coherence Tomography Analysis of Parainflammation in Chronic Glaucoma Using Vitreous-OCT Imaging Impact of Epiretinal Membrane on Optical Coherence Tomography Tools Used for Monitoring Glaucoma An Improved Analytical Model of a Spectrometer for Optical Coherence Tomography Comparison of similar Mueller and Jones matrix method in catheter based polarization sensitive optical coherence tomography Optical coherence tomography and visual evoked potential and its relationship with neurological disability in patients with relapsing-remitting multiple sclerosis