1. Yoshiyasu Minami

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    1. Mentioned In 34 Articles

    2. Predictors for layered coronary plaques: an optical coherence tomography study

      Explore Home - Springer Cardiology
      Predictors for layered coronary plaques: an optical coherence tomography study
      Healed coronary plaques, morphologically characterized by a layered pattern, are signatures of previous plaque disruption and healing. Recent optical coherence tomography (OCT) studies showed that layered plaque is associated with vascular vulnerability. However, factors associated with layered plaques have not been studied. The aim of this study was to investigate predictors for layered plaque at the culprit plaques and at non-culprit plaques. Patients with coronary artery disease who underwent pre-intervention ...
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      Mentions: Massachusetts General Hospital Ik-Kyung Jang Harvard University

    3. Endothelial glycocalyx and severity and vulnerability of coronary plaque in patients with coronary artery disease

      Explore atherosclerosis-journal.com Cardiology
      Endothelial glycocalyx and severity and vulnerability of coronary plaque in patients with coronary artery disease
      Background and aims Endothelial glycocalyx covers the endothelium and maintains vascular integrity. However, its association with the severity and vulnerability of coronary artery disease (CAD) remains to be elucidated. Methods A total of 259 consecutive patients with stable CAD requiring percutaneous coronary intervention (PCI) were prospectively enrolled. Patients were classified into 2 groups according to the median value of serum syndecan-1, which is a core component of the endothelial glycocalyx ...
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      Mentions: Kitasato University Junya Ako Yoshiyasu Minami

    4. Novel volumetric analysis for stent expansion after drug‐eluting stent implantation: An optical coherence tomography study

      Explore Wiley Online Library Cardiology
      Novel volumetric analysis for stent expansion after drug‐eluting stent implantation: An optical coherence tomography study
      Objectives To assess the clinical significance of a novel optical coherence tomography (OCT)‐derived volumetric parameter of stent expansion by comparing it with the conventional parameters in real‐world practice. Background The clinical significance of novel parameters in real‐world practice including longer and smaller stents remains to be elucidated. Methods A total of 226 de novo lesion treated with drug‐eluting stents in 208 consecutive patients were enrolled. Stent ...
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      Mentions: Kitasato University Junya Ako Yoshiyasu Minami

    5. COMPARISON OF POST STENT OPTICAL COHERENCE TOMOGRAPHY FINDINGS AMONG THREE SUBTYPES OF CALCIFIED CULPRIT PLAQUES IN PATIENTS WITH ACUTE CORONARY SYNDROME

      Explore onlinejacc.org Cardiology
      COMPARISON OF POST STENT OPTICAL COHERENCE TOMOGRAPHY FINDINGS AMONG THREE SUBTYPES OF CALCIFIED CULPRIT PLAQUES IN PATIENTS WITH ACUTE CORONARY SYNDROME
      Background Recently, three subtypes of calcified plaques at the culprit lesion were reported in patients with acute coronary syndrome (ACS): eruptive calcified nodule, superficial calcific sheet, and calcified protrusion. Methods A total of 157 patients with ACS and calcified plaque at the culprit lesion were selected from our database. Optical coherence tomography (OCT) findings at index procedure and after stent implantation were compared among the three subgroups. Results In the ...
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      Mentions: Massachusetts General Hospital Ik-Kyung Jang Masamichi Takano

    6. Comprehensive In Vivo Coronary Plaque Mapping: A 3-Vessel Optical Coherence Tomography Study

      Explore ScienceDirect Cardiology
      Comprehensive In Vivo Coronary Plaque Mapping: A 3-Vessel Optical Coherence Tomography Study
      Background Previous pathology studies demonstrated that thin-cap fibroatheroma (TCFA) is localized in specific segments of the epicardial coronary arteries. A detailed description of in vivo coronary plaques of various phenotypes has not been reported. Objectives We performed a comprehensive analysis on the distribution of coronary plaques with different phenotypes from our 3-vessel optical coherence tomography (OCT) database. Methods OCT images of all 3 coronary arteries in 131 patients were analyzed ...
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      Mentions: Massachusetts General Hospital Ik-Kyung Jang Harvard University

    7. Comparison of post‐stent optical coherence tomography findings among three subtypes of calcified culprit plaques in patients with acute coronary syndrome

      Explore Wiley Online Library Cardiology
      Comparison of post‐stent optical coherence tomography findings among three subtypes of calcified culprit plaques in patients with acute coronary syndrome
      Objectives To compare the postprocedural optical coherence tomography (OCT) findings and in‐hospital outcomes among the three subtypes of calcified plaques: eruptive calcified nodules, superficial calcific sheet, and calcified protrusion. Background Recently, three subtypes of calcified culprit plaques were reported in patients with acute coronary syndrome (ACS). How these subtypes respond to stenting is unknown. Methods ACS patients with calcified plaque at the culprit lesion were selected from our database ...
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      Mentions: Massachusetts General Hospital Ik-Kyung Jang Masamichi Takano

    8. Characteristics of non-culprit plaques in acute coronary syndrome patients with layered culprit plaque

      Explore Journals Cardiology
      Characteristics of non-culprit plaques in acute coronary syndrome patients with layered culprit plaque
      Aims Layered plaques represent signs of previous plaque destabilization. A recent study showed that acute coronary syndrome (ACS) patients with layered culprit plaque have more vulnerability at the culprit lesion and systemic inflammation. We aimed to compare the characteristics of non-culprit plaques between patients with or without layered plaque at the culprit lesion. We also evaluated the characteristics of layered non-culprit plaques, irrespective of culprit plaque phenotype. Methods and results ...
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      Mentions: Massachusetts General Hospital Ik-Kyung Jang Harvard University

    9. Lipoprotein (a) level is associated with plaque vulnerability in patients with coronary artery disease: An optical coherence tomography study

      Explore ScienceDirect Cardiology
      Lipoprotein (a) level is associated with plaque vulnerability in patients with coronary artery disease: An optical coherence tomography study
      Background High lipoprotein (a) [Lp(a)] levels are an independent factor for worse prognosis in patients with coronary artery disease (CAD). However, the association between serum Lp(a) level and coronary plaque vulnerability remains to be determined. Methods A total of 255 consecutive patients with CAD who underwent optical coherence tomography imaging of culprit lesions were included. Patients were divided into 2 groups according to their Lp(a) levels (the ...
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      Mentions: Kitasato University Junya Ako Yoshiyasu Minami

    10. Zero-Contrast Optical Coherence Tomography- and Physiology-Guided Percutaneous Coronary Intervention for Severely Calcified Lesion

      Explore jstage.jst.go.jp Cardiology
      Zero-Contrast Optical Coherence Tomography- and Physiology-Guided Percutaneous Coronary Intervention for Severely Calcified Lesion
      An 80-year-old man with severe kidney dysfunction (estimated glomerular filtration rate, 26 mL/min/1.73 m 2 ) not requiring hemodialysis presented with effort angina. Diagnostic angiography with minimum contrast showed a diffuse lesion in the proximal right coronary artery (RCA; Figure A ). On a later day, optical coherence tomography (OCT)-guided percutaneous coronary intervention (PCI) with dextran injection was performed. Because multiple cracks were seen in the severely calcified ...
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      Mentions: Kitasato University Junya Ako Yoshiyasu Minami

    11. Incidence, factors, and clinical significance of cholesterol crystals in coronary plaque: An optical coherence tomography study

      Explore atherosclerosis-journal.com Cardiology
      Incidence, factors, and clinical significance of cholesterol crystals in coronary plaque: An optical coherence tomography study
      Background and aims Intraplaque cholesterol crystal (CC) is recognized as a component of vulnerable plaques. However, the clinical characteristics of patients with CC and the impact of CC on clinical events remain unknown. Methods A total of 340 consecutive patients who underwent optical coherence tomography (OCT) imaging of culprit lesions were included in the study. CC was defined as a thin linear structure with high reflectivity and low signal attenuation ...
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      Mentions: Kitasato University Junya Ako Yoshiyasu Minami

    12. Achilles tendon thickening is associated with disease severity and plaque vulnerability in patients with coronary artery disease

      Explore ScienceDirect Cardiology
      Achilles tendon thickening is associated with disease severity and plaque vulnerability in patients with coronary artery disease
      Background Tendon xanthomas are accumulations of collagen and macrophages which contain cholesterol esters and a marker of high risk for coronary artery disease (CAD). Objective To clarify whether the presence of Achilles tendon thickening (ATT) was associated with disease severity and plaque vulnerability in patients with CAD. Methods A total of 241 consecutive patients who underwent percutaneous coronary intervention and ATT assessment were analyzed. ATT was defined as Achilles tendon ...
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      Mentions: Junya Ako Yoshiyasu Minami

    14. Impact of underlying plaque type on strut coverage in the early phase after drug-eluting stent implantation

      Explore LWW Online Cardiology
      Impact of underlying plaque type on strut coverage in the early phase after drug-eluting stent implantation
      Background The aim of this study was to investigate whether the underlying plaque type affects the neointimal coverage after drug-eluting stent implantation. Methods A total of 1793 struts in 22 zotarolimus-eluting stents were assessed using optical coherence tomography imaging within 3 months of implantation. Neointimal coverage was evaluated within 5mm from each stent edge on cross-sectional optical coherence tomography images at every 1-mm interval. The percentage of struts covered by ...
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      Mentions: Junya Ako Yoshiyasu Minami

    15. Clinical Predictors for Lack of Favorable Vascular Response to Statin Therapy in Patients With Coronary Artery Disease: A Serial Optical Coherence Tomography Study

      Explore jaha.ahajournals.org
      Clinical Predictors for Lack of Favorable Vascular Response to Statin Therapy in Patients With Coronary Artery Disease: A Serial Optical Coherence Tomography Study
      Background Previous studies have demonstrated that statin therapy improves cardiac outcomes, probably by stabilizing thin‐cap fibroatheroma in patients with coronary artery disease. However, major adverse cardiac events still occur in some patients, despite statin therapy. The aim of this study is to identify clinical predictors for the lack of a favorable vascular response to statin therapy in patients with coronary artery disease. Methods and Results A total of 140 ...
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      Mentions: Massachusetts Institute of Technology James G. Fujimoto Massachusetts General Hospital

    16. Dynamic neointimal pattern after drug-eluting stent implantation defined by optical coherence tomography

      Explore LWW Online Cardiology
      Dynamic neointimal pattern after drug-eluting stent implantation defined by optical coherence tomography
      Objectives: Certain neointimal patterns including neoatherosclerosis (NA) are known to be associated with poor clinical outcome. The prevalence and time course of different neointimal patterns have not been studied systematically. The aim of this study was to investigate the serial changes in neointimal pattern after drug-eluting stent implantation. Patients and methods: A total of 132 patients with 207 drug-eluting stents, who underwent two follow-up optical coherence tomography studies at 6 ...
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      Mentions: Massachusetts Institute of Technology Massachusetts General Hospital Ik-Kyung Jang
    17. 1-15 of 34 1 2 3 »
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  4. About Yoshiyasu Minami

    Yoshiyasu Minami is from the Cardiology Division, Massachusetts General Hospital, Harvard Medical School, Boston, Massachusetts.

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