1. Articles from Shin-ichi Momomura

    1-2 of 2
    1. Close association of matrix metalloproteinase-9 levels with the presence of thin-cap fibroatheroma in acute coronary syndrome patients: Assessment by optical coherence tomography and intravascular ultrasonography

      Close association of matrix metalloproteinase-9 levels with the presence of thin-cap fibroatheroma in acute coronary syndrome patients: Assessment by optical coherence tomography and intravascular ultrasonography

      Background Thin-cap fibroatheroma (TCFA) has been suggested as a precursor lesion of coronary plaque rupture. As elevated plasma matrix metalloproteinase-9 (MMP-9) levels have been documented in patients with acute coronary syndrome (ACS), we sought to determine whether the presence of TCFA is linked to MMP-9 levels in these patients. Methods We evaluated 51 ACS patients with de novo culprit lesions who were examined via optical coherence tomography and intravascular ultrasound. Blood samples were obtained from the peripheral vein (PV) and the ostium and culprit lesion of the infarct-related coronary artery (CA) in the acute phase of ACS and from the ...

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    2. Low eicosapentaenoic acid to arachidonic acid ratio is associated with thin-cap fibroatheroma determined by optical coherence tomography

      Low eicosapentaenoic acid to arachidonic acid ratio is associated with thin-cap fibroatheroma determined by optical coherence tomography

      Background A low eicosapentaenoic acid (EPA)/arachidonic acid (AA) ratio is known to be associated with cardiovascular events. However, the relationship between the EPA/AA ratio and coronary plaque vulnerability assessed by optical coherence tomography (OCT) has not been examined thoroughly. This study examined the relationship between the EPA/AA ratio and coronary plaque vulnerability assessed by OCT in patients with acute coronary syndrome (ACS). Methods We evaluated 59 ACS patients who had undergone percutaneous coronary intervention using OCT. We divided them into 2 groups according to OCT findings—those with and without thin-cap fibroatheroma (TCFA)—and compared the EPA ...

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    1-2 of 2
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    Low eicosapentaenoic acid to arachidonic acid ratio is associated with thin-cap fibroatheroma determined by optical coherence tomography Close association of matrix metalloproteinase-9 levels with the presence of thin-cap fibroatheroma in acute coronary syndrome patients: Assessment by optical coherence tomography and intravascular ultrasonography Clinical Trials Critical for the Evaluation of Advanced Medical Imaging Tools Voxeleron Welcomes Manabu Tokunaga as new Director of Software Accuracy of Diabetic Retinopathy Staging with a Deep Convolutional Neural Network Using Ultra-Wide-Field Fundus Ophthalmoscopy and Optical Coherence Tomography Angiography A longitudinal comparison in cynomolgus macaques of the effect of brimonidine on optic nerve neuropathy using diffusion tensor imaging magnetic resonance imaging and spectral domain optical coherence tomography Design of 1300-nm spectral domain optical coherence tomography angiography system for iris microvascular imaging Perimeter Medical Imaging AI Announces Important Milestone in ATLAS AI Project with Standalone AI Algorithm Achieving Key Performance Metrics Towards ‘automated gonioscopy’: a deep learning algorithm for 360° angle assessment by swept-source optical coherence tomography Intraoperative Observation of a Macular Holes Using Optical Coherence Tomography Quantitative characterization of human breast tissue based on deep learning segmentation of 3D optical coherence tomography images Comparison between Widefield Optical Coherence Tomography Devices in Eyes with High Myopia