1. Takashi Kubo

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    1. Mentioned In 63 Articles

    2. Optimal threshold of postintervention minimum stent area to predict in-stent restenosis in small coronary arteries: An optical coherence tomography analysis

      Optimal threshold of postintervention minimum stent area to predict in-stent restenosis in small coronary arteries: An optical coherence tomography analysis
      Objectives The aim of this study was to determine the best threshold of postintervention minimum stent area (MSA) assessed by optical coherence tomography (OCT) to predict long-term in-stent restenosis (ISR) for 2.5 mm-diameter everolimus-eluting stents (EES). Background Percutaneous coronary intervention (PCI) for small coronary arteries remains challenging. Stent underexpansion is a strong predictor of late ISR. Methods We performed a retrospective analysis of 69 lesions in 69 patients undergoing ...
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    3. Optical coherence tomography assessment of efficacy of thrombus aspiration in patients undergoing a primary percutaneous coronary intervention for acute ST-elevation myocardial infarction

      Optical coherence tomography assessment of efficacy of thrombus aspiration in patients undergoing a primary percutaneous coronary intervention for acute ST-elevation myocardial infarction
      Objective: We used optical coherence tomography (OCT) to assess the impact of thrombus aspiration before angioplasty on poststenting tissue protrusions in patients undergoing a primary percutaneous coronary intervention (PCI) for ST-segment elevation myocardial infarction (STEMI). Methods and results: A total of 188 patients with STEMI who underwent thrombus-aspiration PCI (n=113) or standard PCI (n=75) were examined in this study. OCT was performed immediately after primary PCI to assess ...
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    4. Vasa Vasorum Restructuring in Human Atherosclerotic Plaque Vulnerability

      Vasa Vasorum Restructuring in Human Atherosclerotic Plaque Vulnerability
      Background Previous studies have suggested that vasa vasorum (VV) is associated with plaque progression and vulnerability. Objectives The aim of this study was to investigate the relationship between coronary neovascularization structures and plaque characteristics. Methods We included 53 patients who underwent optical coherence tomography to observe the proximal left anterior descending coronary artery. Patients were classified into 5 groups according to lesion characteristics: normal; fibrous plaque (FP); fibroatheroma (FA); plaque ...
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    5. Assessment of vascular response after drug-eluting stents implantation in patients with diabetes mellitus: an optical coherence tomography sub-study of the J-DESsERT

      Assessment of vascular response after drug-eluting stents implantation in patients with diabetes mellitus: an optical coherence tomography sub-study of the J-DESsERT
      Even in the drug-eluting stent era, diabetes mellitus (DM) patients have high incidences of restenosis and repeat revascularization after percutaneous coronary intervention. The aim of this study was to compare vascular response after stent implantation between sirolimus-eluting stent (SES) and paclitaxel-eluting stent (PES) by using optical coherence tomography (OCT) in DM patients as well as in non-DM patients. In the Japan-Drug Eluting Stents Evaluation; a Randomized Trial (J-DESsERT), the OCT ...
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    6. Feasibility of Optical Coronary Tomography in Quantitative Measurement of Coronary Arteries With Lipid-Rich Plaque

      Feasibility of Optical Coronary Tomography in Quantitative Measurement of Coronary Arteries With Lipid-Rich Plaque
      Background: The aim of the present study was to evaluate the feasibility of optical coherence tomography (OCT) for measurement of vessel area in coronary arteries with lipid-rich plaque as compared with intravascular ultrasound (IVUS). Methods and Results: We investigated 80 coronary artery segments with lipid-rich plaque on OCT and non-attenuated plaque on IVUS. According to the lipid arc on OCT, the plaques were classified into 4 groups: group 1, lipid ...
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    7. Comparison of vascular response between everolimus-eluting stent and bare metal stent implantation in ST-segment elevation myocardial infarction assessed by optical coherence tomography

      Comparison of vascular response between everolimus-eluting stent and bare metal stent implantation in ST-segment elevation myocardial infarction assessed by optical coherence tomography
      Aims The long-term safety of second-generation everolimus-eluting stents (EESs) in ST-segment elevation myocardial infarction (STEMI) remains unclear. The aim of this study was to evaluate the late vascular response after stent implantation in STEMI between EES and bare-metal stent (BMS) by using optical coherence tomography (OCT). Methods and results A prospective OCT examination was performed in 102 patients at 10 months after stent implantation for treatment of STEMI. A total ...
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    8. Effect of Atorvastatin Therapy on Fibrous Cap Thickness in Coronary Atherosclerotic Plaque as Assessed by Optical Coherence Tomography The EASY-FIT Study

      Effect of Atorvastatin Therapy on Fibrous Cap Thickness in Coronary Atherosclerotic Plaque as Assessed by Optical Coherence Tomography The EASY-FIT Study
      ...herosclerotic Plaque as Assessed by Optical Coherence Tomography: The EASY-FIT Study Kenichi Komukai, MD^∗; Takashi Kubo, MD, PhD^∗; Hironori Kitabata, MD, PhD^∗; Yoshiki Matsuo, MD, PhD^∗; Yuichi Ozaki, MD^∗; Shigeho ...
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    9. Outcomes of everolimus-eluting stent incomplete stent apposition: a serial optical coherence tomography analysis

      Outcomes of everolimus-eluting stent incomplete stent apposition: a serial optical coherence tomography analysis
      Aim The aim of the present study was to evaluate the natural course of acute incomplete stent apposition (ISA) after second-generation everolimus-eluting stent (EES) when compared with first-generation sirolimus-eluting stent (SES) by using optical coherence tomography (OCT). Methods and results From the OCT substudy of the RESET trial, we identified 77 patients (EES = 38 and SES = 39) who successfully underwent serial OCT examination at post-stenting and 812-month follow-up. The presence ...
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    10. Impact of Eicosapentaenoic Acid Treatment on the Fibrous Cap Thickness in Patients with Coronary Atherosclerotic Plaque: An Optical Coherence Tomography Study

      Impact of Eicosapentaenoic Acid Treatment on the Fibrous Cap Thickness in Patients with Coronary Atherosclerotic Plaque: An Optical Coherence Tomography Study
      Aim : Previous clinical trials have demonstrated the effectiveness of eicosapentaenoic acid (EPA) in preventing cardiovascular events. The aim of the present study was to investigate the effects of EPA treatment on the accumulation of coronary atherosclerotic plaque using optical coherence tomography (OCT). Methods : A total of 46 acute coronary syndrome (ACS) patients without dyslipidemia were divided into two groups: those who received 1,800 mg/day of EPA ( n =15 ...
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    11. Vascular Response to Drug-Eluting Stent With Biodegradable vs. Durable Polymer

      Vascular Response to Drug-Eluting Stent With Biodegradable vs. Durable Polymer
      Background: The aim of the present study was to compare vascular healing response between everolimus-eluting stent (EES) and biolimus-eluting stent (BES) using optical coherence tomography (OCT). Methods and Results: In the NOBORI Biolimus-Eluting Versus XIENCE V/PROMUS Everolimus-Eluting Stent Trial (NEXT), a formal OCT substudy investigated 91 patients (55 EES-treated lesions in 48 patients and 51 BES-treated lesions in 43 patients) with 812 months follow-up imaging at 18 centers. A ...
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    12. Difference of Ruptured Plaque Morphology between Asymptomatic Coronary Artery Disease and Non-ST Elevation Acute Coronary Syndrome Patients: an Optical Coherence Tomography Study

      Difference of Ruptured Plaque Morphology between Asymptomatic Coronary Artery Disease and Non-ST Elevation Acute Coronary Syndrome Patients: an Optical Coherence Tomography Study
      Background Autopsy studies have reported that rupture of a thin-cap fibroatheroma and subsequent thrombus formation is the major mechanism leading to acute coronary syndrome (ACS). However, it is not clear why only some plaque ruptures lead to ACS. Optical coherence tomography (OCT) is a high-resolution imaging modality which is capable of investigating detailed coronary plaque morphology in vivo. The objective of this study was to determine whether ruptured plaque morphology ...
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    13. Evaluation of coronary arterial lesions due to Kawasaki disease using optical coherence tomography

      Evaluation of coronary arterial lesions due to Kawasaki disease using optical coherence tomography
      Optical coherence tomography (OCT) is a high-resolution intracoronary arterial imaging modality. We describe two patients who were admitted to undergo coronary angiography (CAG) and OCT for follow-up of Kawasaki disease (KD) with coronary artery aneurysms. OCT clearly demonstrated thrombus, stenosis, fibrotic intimal thickening with lamellar calcification and partial disappearance of the tunica media at the aneurysm site. In addition, focal calcification, intimal thickening and medial irregularity were observed even in ...
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    14. Association between P-selectin Glycoprotein Ligand-1 and Pathogenesis in Acute Coronary Syndrome Assessed by Optical Coherence Tomography

      Association between P-selectin Glycoprotein Ligand-1 and Pathogenesis in Acute Coronary Syndrome Assessed by Optical Coherence Tomography
      Objective Although monocytes appear to be actively involved in the onset of acute coronary syndrome (ACS), they are heterogenous in human peripheral blood. How up-regulation of monocyte subsets leads to coronary plaque rupture followed by thrombus formation remains unclear. Recent studies have shown that P-selectin glycoprotein ligand-1 (PSGL-1) is involved in monocyte activation in patients with thrombus formation. We therefore investigated the relationship between the expression of PSGL-1 on monocyte ...
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  2. About Takashi Kubo

    Takashi Kubo is at the department of Cardiovascular Medicine, Wakayama Medical University.