1. Articles from Shinjo Sonoda

    1-8 of 8
    1. Expert consensus statement for quantitative measurement and morphological assessment of optical coherence tomography

      Expert consensus statement for quantitative measurement and morphological assessment of optical coherence tomography

      In this document, the methods for the quantitative measurement and morphological assessment of optical coherence tomography (OCT)/optical frequency domain imaging images (OFDI) are briefly summarized. The focus is on the clinical application of OCT/OFDI to guide percutaneous coronary interventions.

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    2. Early and mid-term vascular responses to optical coherence tomography guided everolimus-eluting stent implantation in stable coronary artery disease

      Early and mid-term vascular responses to optical coherence tomography guided everolimus-eluting stent implantation in stable coronary artery disease

      Background Analysis of pooled clinical data has shown the safety of 3 months of dual antiplatelet therapy (DAPT) with everolimus-eluting cobalt–chromium stents (Co-Cr EESs). This study evaluated early and mid-term vascular responses to Co-Cr EESs in patients with stable coronary artery disease (CAD). Methods The MECHANISM-Elective trial (NCT02014818) is a multicenter optical coherence tomography (OCT) registry. Enrolled patients were evaluated by OCT immediately after EES implantation (post), were prospectively allocated to either 1 month (n = 50) or 3 months (n = 50) OCT follow-up, and then received a 12 months OCT evaluation. The incidences of intrastent thrombus (IS-Th) and irregular ...

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    3. Impact of lesion complexity on long-term vascular response to cobalt–chromium everolimus-eluting stent: five-year follow-up optical coherence tomography study

      Impact of lesion complexity on long-term vascular response to cobalt–chromium everolimus-eluting stent: five-year follow-up optical coherence tomography study

      The impact of lesion complexity on long-term vascular response to cobalt–chromium everolimus-eluting stent (CoCrEES) remains unclear. We sought to evaluate them using optical coherence tomography (OCT). A total of 47 patients with 58 lesions treated only with CoCrEES and no target-vessel events within 5 years after implantation were prospectively enrolled and underwent 5-year follow-up OCT. Quantitative parameters and qualitative characteristics of the neointima were evaluated using multilevel logistic or linear regression models with random effects at three levels: lesion, cross-section (CS), and strut. According to the lesion complexity, the lesions were classified into the two groups: the complex lesion ...

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    4. Vascular response to bioresorbable polymer sirolimus-eluting stent vs. permanent polymer everolimus-eluting stent at 9-month follow-up: an optical coherence tomography sub-study from the CENTURY II trial

      Vascular response to bioresorbable polymer sirolimus-eluting stent vs. permanent polymer everolimus-eluting stent at 9-month follow-up: an optical coherence tomography sub-study from the CENTURY II trial

      Aims The Ultimaster bioresorbable polymer sirolimus-eluting stent (BP-SES) is a newly developed drug-eluting stent (DES) that consists of a thin-strut, cobalt chromium with bioresorbable polymer coated only albuminally. We sought to compare tissue coverage in coronary lesions treated with BP-SES with the XIENCE permanent polymer everolimus-eluting stent (PP-EES) using optical coherence tomography (OCT). Methods and results A total of 36 patients participated in the CENTURY II trial in our institution and were randomly assigned to BP-SES ( n = 15) and PP-EES ( n = 21). Of these, 27 patients (13 BP-SES and 14 PP-EES) underwent OCT at 9-month follow-up. Tissue coverage and apposition ...

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    5. Do Two Eyes Really See More Than One? - Intravascular Ultrasound and Optical Coherence Tomography

      Do Two Eyes Really See More Than One? - Intravascular Ultrasound and Optical Coherence Tomography

      Percutaneous coronary intervention (PCI) is an established treatment strategy for acute coronary syndrome. However, periprocedural myocardial infarction (PMI), which occurs in 5–50% of PCI procedures, has prognostic implications for long-term clinical outcomes. Coronary imaging modalities such as intravascular ultrasound (IVUS) and optical coherence tomography (OCT) are expected to predict PMI. IVUS is widely used to safely and reliably guide PCI. Several studies suggest that IVUS-derived coronary plaque characteristics, such as a large plaque burden (positive remodeling), echo-attenuated plaque (EA), or plaque with necrotic core, are associated with the risk of PMI.1,2 However, IVUS has an axial resolution ...

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    6. 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 8–12-month follow-up. The presence of ISA was assessed in the OCT images, and ISA distance was measured from the centre of the strut blooming to the adjacent lumen border. Incomplete stent apposition was ...

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    7. Long-term coronary arterial response to biodegradable polymer biolimus-eluting stents in comparison with durable polymer sirolimus-eluting stents and bare-metal stents: Five-year follow-up optical coherence tomography study

      Long-term coronary arterial response to biodegradable polymer biolimus-eluting stents in comparison with durable polymer sirolimus-eluting stents and bare-metal stents: Five-year follow-up optical coherence tomography study

      Objective The long-term coronary arterial response of biodegradable polymer biolimus-eluting stents (BES) remains unclear. We sought to evaluate the coronary arterial response of biodegradable polymer BES at 5 years after stent implantation using optical coherence tomography (OCT) as compared with that of durable polymer sirolimus-eluting stents (SES) and bare-metal stents (BMS). Methods Five-year follow-up OCT was performed in 30 patients with 33 stents (10 with 12 BES; 10 with 11 SES; 10 with 10 BMS). Quantitative parameters and qualitative characteristics of the neointima were evaluated. A total of 5178 struts (BES, n=2056; SES, n=1410; BMS, n=1712) were ...

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    8. A rare case of myocardial infarction related to diagnostic intravascular ultrasound

      A rare case of myocardial infarction related to diagnostic intravascular ultrasound

      A 71-year-old man underwent intracoronary stent implantation for acute inferior myocardial infarction (MI). Immediately after diagnostic intravascular ultrasound (IVUS) at 8 months’ follow-up, an acute occlusion of the sinus node (SN) artery appeared, which developed sinus arrest with junctional escape rhythm. The serum level of high-sensitivity troponin T (TpT) was markedly elevated on the day after the procedure (2.1–32.5 ng/l), which was indicative of MI related to IVUS. Under continuous intravenous infusion of unfractionated heparin, the escape rhythm changed to lower atrial rhythm on the 4th day, and recovered to sinus rhythm on the 14th day ...

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    1-8 of 8
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    A rare case of myocardial infarction related to diagnostic intravascular ultrasound Long-term coronary arterial response to biodegradable polymer biolimus-eluting stents in comparison with durable polymer sirolimus-eluting stents and bare-metal stents: Five-year follow-up optical coherence tomography study Outcomes of everolimus-eluting stent incomplete stent apposition: a serial optical coherence tomography analysis Do Two Eyes Really See More Than One? - Intravascular Ultrasound and Optical Coherence Tomography Vascular response to bioresorbable polymer sirolimus-eluting stent vs. permanent polymer everolimus-eluting stent at 9-month follow-up: an optical coherence tomography sub-study from the CENTURY II trial Impact of lesion complexity on long-term vascular response to cobalt–chromium everolimus-eluting stent: five-year follow-up optical coherence tomography study Early and mid-term vascular responses to optical coherence tomography guided everolimus-eluting stent implantation in stable coronary artery disease Expert consensus statement for quantitative measurement and morphological assessment of optical coherence tomography ORCA study: real-world versus reading centre assessment of disease activity of neovascular age-related macular degeneration (nAMD) Role of visual evoked potentials and optical coherence tomography in the screening for optic pathway gliomas in patients with neurofibromatosis type I An assessment of the quality of optical coherence tomography image acquisition Optical coherence tomography evaluation of vertebrobasilar artery stenosis: case series and literature review