1. Case Western Reserve University

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    1. Mentioned In 285 Articles

    2. Feasibility of a porcine arteriovenous shunt model for assessment of acute thrombogenicity in bifurcation stenting technique by optical coherence tomography

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      Feasibility of a porcine arteriovenous shunt model for assessment of acute thrombogenicity in bifurcation stenting technique by optical coherence tomography
      Background Double kissing (DK) crush stenting has been reported as a superior bifurcation stenting strategy compared to culotte stenting. However, the mechanism associated with the reduction of clinical events by DK crush stenting remains unclear. We therefore investigated the thrombogenicity of DK crush stenting and culotte stenting with both bare-metal stents (BMS) and drug-eluting stents (DES) and the feasibility of a novel porcine arteriovenous shunt model. Methods High-resolution intracoronary imaging ...
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      Mentions: Case Western Reserve University Hector M. Garcia-Garcia Ron Waksman

    3. Noninvasive Assessment of Corneal Crosslinking With Phase-Decorrelation Optical Coherence Tomography

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      Noninvasive Assessment of Corneal Crosslinking With Phase-Decorrelation Optical Coherence Tomography
      Purpose : There is strong evidence that abnormalities in corneal biomechanical play a causal role in corneal ectasias, such as keratoconus. Additionally, corneal crosslinking (CXL) treatment, which halts progression of keratoconus, directly appeals to corneal biomechanics. However, existing methods of corneal biomechanical assessment have various drawbacks: dependence on IOP, long acquisition times, or limited resolution. Here, we present a method that may avoid these limitations by using optical coherence tomography (OCT ...
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      Mentions: Andrew M. Rollins Case Western Reserve University Michael W. Jenkins

    4. Serial 3-Dimensional Optical Coherence Tomography Assessment of Jailed Side-Branch by Second-Generation Drug-Eluting Absorbable Metal Scaffold (From the BIOSOLVE-II Trial)

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      Serial 3-Dimensional Optical Coherence Tomography Assessment of Jailed Side-Branch by Second-Generation Drug-Eluting Absorbable Metal Scaffold (From the BIOSOLVE-II Trial)
      Second-generation drug-eluting absorbable metal scaffold (DREAMS 2G) is used for treating coronary lesions. However, the natural history of the jailed side-branch (SB) after DREAMS 2G implantation remains to be elucidated. The aim of this study is to investigate the effect of scaffold struts on jailed SBs as assessed by 3-dimensional (3D) optical coherence tomography (OCT) after implantation of DREAMS 2G. We enrolled the patients who received a DREAMS 2G implantation ...
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      Mentions: Case Western Reserve University Hector M. Garcia-Garcia Wakayama Medical University

    5. Impact of procedural characteristics on coronary vessel wall healing following implantation of second-generation drug-eluting absorbable metal scaffold in patients with de novo coronary artery lesions: an optical coherence tomography analysis

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      Impact of procedural characteristics on coronary vessel wall healing following implantation of second-generation drug-eluting absorbable metal scaffold in patients with de novo coronary artery lesions: an optical coherence tomography analysis
      Aims Second-generation drug-eluting absorbable metal scaffold (DREAMS 2G) is an alternative novel device for treating coronary lesions. However, the relationship between in-scaffold dimensions after implantation of DREAMS 2G and vessel healing and luminal results at follow-up is unknown. The aim of this study is, therefore, to investigate whether the expansion index after implantation of DREAMS 2G as assessed by optical coherence tomography (OCT) impacts late luminal status and healing of ...
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      Mentions: Case Western Reserve University Hector M. Garcia-Garcia Yuichi Ozaki

    6. Deep neural networks for A-line-based plaque classification in coronary intravascular optical coherence tomography images

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      Deep neural networks for A-line-based plaque classification in coronary intravascular optical coherence tomography images
      We develop neural-network-based methods for classifying plaque types in clinical intravascular optical coherence tomography (IVOCT) images of coronary arteries. A single IVOCT pullback can consist of 500 microscopic-resolution images, creating both a challenge for physician interpretation during an interventional procedure and an opportunity for automated analysis. In the proposed method, we classify each A-line, a datum element that better captures physics and pathophysiology than a voxel, as a fibrous layer ...
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      Mentions: Case Western Reserve University Giulio Guagliumi David L. Wilson

    8. New Volumetric Analysis Method for Stent Expansion and its Correlation With Final Fractional Flow Reserve and Clinical Outcome An ILUMIEN I Substudy

      Explore interventions.onlinejacc.org Cardiology
      New Volumetric Analysis Method for Stent Expansion and its Correlation With Final Fractional Flow Reserve and Clinical Outcome An ILUMIEN I Substudy
      Download figure Open in new tab Download powerpoint Abstract Objectives This study sought to compare conventional methodology (CM) with a newly described optical coherence tomography (OCT)-derived volumetric stent expansion analysis in terms of fractional flow reserve (FFR)-derived physiology and device-oriented composite endpoints (DoCE). Background The analysis of coronary stent expansion with intracoronary imaging has used CM that relies on the analysis of selected single cross-sections for several decades ...
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      Mentions: Case Western Reserve University Cardiovascular Research Foundation David Holmes

    9. Choriocapillaris and retinal vascular plexus density of diabetic eyes using split-spectrum amplitude decorrelation spectral-domain optical coherence tomography angiography

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      Choriocapillaris and retinal vascular plexus density of diabetic eyes using split-spectrum amplitude decorrelation spectral-domain optical coherence tomography angiography
      Background/aims Split-spectrum amplitude decorrelation angiography for spectral-domain optical coherence tomography has enabled detailed, non-invasive assessment of vascular flow. This study evaluates choriocapillaris and retinal capillary perfusion density (CPD) in diabetic eyes using optical coherence tomography angiography (OCTA). Methods Records of 136 eyes that underwent OCTA imaging at a single institution were reviewed. Eyes were grouped as non-diabetic controls (37 eyes), patients with diabetes mellitus (DM) without diabetic retinopathy (DM ...
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      Mentions: Universidade Federal de São Paulo Case Western Reserve University Cleveland Clinic

    10. Vitreous Bands Identified by Handheld Spectral-Domain Optical Coherence Tomography Among Premature Infants

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      Vitreous Bands Identified by Handheld Spectral-Domain Optical Coherence Tomography Among Premature Infants
      Importance Handheld spectral-domain optical coherence tomography (SD-OCT) can provide insights into the complex interactions occurring at the vitreoretinal interface in retinopathy of prematurity (ROP) to enhance our understanding of ROP pathology. Objective To characterize vitreous bands in premature infants with use of handheld SD-OCT. Design, Setting, and Participants Prospective cohort study conducted from July 7, 2015, to February 28, 2017, at 2 university-based neonatal intensive care units. Seventy-three premature infants ...
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      Mentions: Case Western Reserve University University of Washington

    11. Optimizing Percutaneous Coronary Intervention in Calcified Lesions Insights From Optical Coherence Tomography of Atherectomy

      Explore Circulation Cardiology
      Optimizing Percutaneous Coronary Intervention in Calcified Lesions Insights From Optical Coherence Tomography of Atherectomy
      Optimal coronary stent implantation is among the few successful strategies in preventing stent failures, notably in-stent restenosis and stent thrombosis. 1 Understanding the intravascular milieu is a prerequisite for optimization of percutaneous coronary intervention (PCI). Calcified lesions limit stent expansion, the most robust predictor of target lesion revascularization, and are thus associated with worst outcomes. 2 Coronary angiography is a poor discriminator of calcium distribution and thickness. Reliance on angiography ...
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      Mentions: Case Western Reserve University Brown University Hiram G. Bezerra

    12. Complex regression Doppler optical coherence tomography

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      Complex regression Doppler optical coherence tomography
      We introduce a new method to measure Doppler shifts more accurately and extend the dynamic range of Doppler optical coherence tomography (OCT). The two-point estimate of the conventional Doppler method is replaced with a regression that is applied to high-density B-scans in polar coordinates. We built a high-speed OCT system using a 1.68-MHz Fourier domain mode locked laser to acquire high-density B-scans (16,000 A-lines) at high enough frame ...
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      Mentions: Andrew M. Rollins Case Western Reserve University Lars Thrane

    14. Using optical coherence tomography to detect disturbances in coronary microvascular in a model of fetal alcohol syndrome

      Explore SPIE Digital Library Cardiology , Developmental Biology
      Using optical coherence tomography to detect disturbances in coronary microvascular in a model of fetal alcohol syndrome
      Congenital coronary anomalies can result in severe consequences such as arrhythmias and sudden death. However, the etiology of abnormal embryonic coronary microvasculature development is understudied. Using a novel contrast-agent-based optical coherence tomography (OCT) technique, scatter labeled imaging of microvasculature in excised tissue (SLIME), we compared diseased and normal embryonic quail coronary microvasculature in 3D. Congenital heart defects associated with fetal alcohol syndrome (FAS) were induced in a quail model by ...
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      Mentions: Andrew M. Rollins Case Western Reserve University Michael W. Jenkins

    15. Association of skin autofluorescence with plaque vulnerability evaluated by optical coherence tomography in patients with cardiovascular disease

      Explore atherosclerosis-journal.com Cardiology , Dermatology
      Association of skin autofluorescence with plaque vulnerability evaluated by optical coherence tomography in patients with cardiovascular disease
      Background and aims Accumulation of advanced glycation end products (AGEs) can be measured non-invasively by skin autofluorescence (SAF) whose values are elevated in patients with cardiovascular disease (CVD). Optical coherence tomography (OCT) is an intravascular imaging modality that could allow visualization of plaque composition. We aim to examine the relationship between SAF and plaque composition evaluated by frequency-domain OCT in patients with CVD. Methods We prospectively enrolled 108 patients with ...
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      Mentions: Case Western Reserve University Sun Yat-Sen University Hiram G. Bezerra

    16. Mobilization of progenitor cells and assessment of vessel healing after second generation drug-eluting stenting by optical coherence tomography

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      Mobilization of progenitor cells and assessment of vessel healing after second generation drug-eluting stenting by optical coherence tomography
      Background Bone marrow-derived progenitor cells likely contribute to both endothelial- and smooth muscle cell-dependent healing responses in stent-injured vessel sites. This study aimed to assess mobilization of progenitor cells and vessel healing after zotarolimus-eluting (ZES) and everolimus-eluting (EES) stents. Methods and results In 63 patients undergoing coronary stent implantation, we measured circulating CD34 + CD133 + CD45low cells and serum levels of biomarkers relevant to stem cell mobilization . In 31 patients of ...
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      Mentions: Case Western Reserve University Marco A. Costa Hiram G. Bezerra
    17. 1-15 of 285 1 2 3 4 ... 17 18 19 »
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  4. About Case Western Reserve University

    Case Western Reserve University

    Case Western Reserve University. Case Western Reserve University is a private research university located in Cleveland, Ohio, United States, with some residence halls on the south end of campus located in Cleveland Heights. Biophotonics Imaging Laboratory at Case Western Reserve University.   Here at the BIL our researchers focus on the development of optical imaging technologies with focus on the development of solutions to specific clinical or research applications. Our primary tool of optical imaging is optical coherence tomography (OCT).

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