1. Articles from Ten Saita

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    1. Impact of low tissue backscattering by optical coherence tomography on endothelial function after drug-eluting stent implantation

      Explore Home - Springer Cardiology
      Impact of low tissue backscattering by optical coherence tomography on endothelial function after drug-eluting stent implantation

      This study evaluated the impact of optical coherence tomography (OCT)-derived low-backscattered tissue on mid-term coronary endothelial function after drug-eluting stent (DES) implantation. Although OCT enables detailed in vivo evaluation of neointimal tissue characterization after DES implantation, its association with physiological vascular healing response is unclear. Thirty-three stable angina pectoris patients underwent OCT examination and endothelial function testing with intracoronary infusion of incremental doses of acetylcholine 8-month after DES implantation in a single lesion of the left anterior descending artery. Neointimal tissue was classified into two patterns based on the predominant OCT light backscatter: high backscatter and low backscatter. Although ...

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      Mentions: Kenichi Fujii

    2. Ex Vivo Assessment of Neointimal Characteristics After Drug-eluting Stent Implantation: Optical Coherence Tomography and Histopathology Validation Study

      Explore Elsevier Health Cardiology
      Ex Vivo Assessment of Neointimal Characteristics After Drug-eluting Stent Implantation: Optical Coherence Tomography and Histopathology Validation Study

      Background Optical coherence tomography (OCT) is one of the tools trying to distinguish neoatherosclerosis from other neointimal tissue but its role has to be still validated. This study evaluated the diagnostic accuracy of OCT for characterization of lipid-atherosclerotic neointima following drug-eluting stent (DES) implantation. Methods Twelve stented coronary arteries from the 7 autopsy hearts were imaged by OCT. These OCT images were compared with histology. By OCT, the morphological appearances of neointima were classified into three patterns: homogeneous pattern, heterogeneous pattern with visible strut, or heterogeneous pattern with invisible strut. Results Of 21 histological cross-sections, 6 were categorized as homogeneous ...

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    3. Tissue Characterization of In-Stent Neointima Using Optical Coherence Tomography in the Late Phase After Bare-Metal Stent Implantation – An Ex Vivo Validation Study –

      Explore jstage.jst.go.jp Cardiology
      Tissue Characterization of In-Stent Neointima Using Optical Coherence Tomography in the Late Phase After Bare-Metal Stent Implantation – An Ex Vivo Validation Study –

      Background: We performed an ex vivo study to investigate optical coherence tomography (OCT) imaging for differentiating several types of neointimal tissue during the later phases after bare-metal stent (BMS) implantation as compared with histologic results. Methods and Results: OCT imaging was performed in 6 autopsy hearts for 10 BMS with implant duration >4 years. OCT qualitative neointimal tissue characterization was based on tissue structure and classified as homogeneous pattern, heterogeneous pattern with visible struts, or heterogeneous pattern with invisible struts. Corresponding histological analyses of each 2-mm cross-section of the entire BMS were performed. Of 81 cross-sections, histological analysis revealed that ...

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      Mentions: Abbot Kenichi Fujii
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    Tissue Characterization of In-Stent Neointima Using Optical Coherence Tomography in the Late Phase After Bare-Metal Stent Implantation – An Ex Vivo Validation Study – Ex Vivo Assessment of Neointimal Characteristics After Drug-eluting Stent Implantation: Optical Coherence Tomography and Histopathology Validation Study Impact of low tissue backscattering by optical coherence tomography on endothelial function after drug-eluting stent implantation Customized Slab-Segmentation Method for Projection-Artifact Elimination in Best Vitelliform Macular Dystrophy: A Swept-Source Optical Coherence Tomography Angiography Study Corneal Epithelial Thickness Profile in Healthy Portuguese Children by High-Definition Optical Coherence Tomography Prediction model for best focus, power, and spherical aberration of the cornea: Raytracing on a large dataset of OCT data Classification of pachychoroid on optical coherence tomography using deep learning Noninvasive Evaluation of HepaRG Aggregates during Drug‐Induced Intrahepatic Cholestasis Using Optical Coherence Tomography Online measurement of floc size, viscosity, and consistency of cellulose microfibril suspensions with optical coherence tomography A Joint Model for Macular Edema Analysis in Optical Coherence Tomography Images Based on Image Enhancement and Segmentation Choroidal Thickness by Handheld Swept-Source Optical Coherence Tomography in Term Newborns Optical Coherence Tomography Imaging of the Lamina Cribrosa: Structural Biomarkers in Nonglaucomatous Diseases