1. Articles from Frankie C. C. Tam

    1-4 of 4
    1. Establishment of healing profile and neointimal transformation in the new polymer-free Biolimus A9-coated coronary stent by longitudinal sequential optical coherence tomography assessments: The EGO-BIOFREEDOM study

      Establishment of healing profile and neointimal transformation in the new polymer-free Biolimus A9-coated coronary stent by longitudinal sequential optical coherence tomography assessments: The EGO-BIOFREEDOM study

      Aims: In patients at high bleeding risk treated with 1 month of dual antiplatelet therapy, the polymer-free, biolimus A9-coated BioFreedom stent (BFS) was found safer and more efficacious than bare metal stents. We used sequential optical coherence tomography (OCT) to assess the time course of strut coverage and neointimal transformation from 1 to 9 months. Methods and results: We randomly assigned 104 BFS recipients to 1 of 5 groups with angiography and OCT follow-up at 1, 2, 3, 4, or 5 months, together with another follow-up for all at 9 months. The primary endpoint was the degree of OCT-detected strut ...

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    2. The OCT-ORION Study A Randomized Optical Coherence Tomography Study Comparing Resolute Integrity to Biomatrix Drug-Eluting Stent on the Degree of Early Stent Healing and Late Lumen Loss

      The OCT-ORION Study A Randomized Optical Coherence Tomography Study Comparing Resolute Integrity to Biomatrix Drug-Eluting Stent on the Degree of Early Stent Healing and Late Lumen Loss

      Background— Durable polymers used in drug-eluting stents are considered a potential cause of hypersensitivity inflammatory response adversely affecting stent healing. Using a sequential follow-up with optical coherence tomography, we compared the differences in healing profiles of 2 drug-eluting stents with a biodegradable or durable polymer. Methods and Results— Sixty patients with multivessel disease were prospectively enrolled to receive both study stents, which were randomly assigned to 2 individual vessels, a Resolute Integrity zotarolimus-eluting stent with a durable BioLinx polymer and a BioMatrix NeoFlex Biolimus A9–eluting stent with a biodegradable polylactic acid polymer. Optical coherence tomography was performed at baseline ...

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    3. The OCT-ORION Study: A Randomized Optical Coherence Tomography Study Comparing Resolute Integrity to Biomatrix Drug-Eluting Stent on the Degree of Early Stent Healing and Late Lumen Loss

      The OCT-ORION Study: A Randomized Optical Coherence Tomography Study Comparing Resolute Integrity to Biomatrix Drug-Eluting Stent on the Degree of Early Stent Healing and Late Lumen Loss

      Background— Durable polymers used in drug-eluting stents are considered a potential cause of hypersensitivity inflammatory response adversely affecting stent healing. Using a sequential follow-up with optical coherence tomography, we compared the differences in healing profiles of 2 drug-eluting stents with a biodegradable or durable polymer. Methods and Results— Sixty patients with multivessel disease were prospectively enrolled to receive both study stents, which were randomly assigned to 2 individual vessels, a Resolute Integrity zotarolimus-eluting stent with a durable BioLinx polymer and a BioMatrix NeoFlex Biolimus A9–eluting stent with a biodegradable polylactic acid polymer. Optical coherence tomography was performed at baseline ...

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    4. Evaluation of Early Healing Profile and Neointimal Transformation Over 24 Months Using Longitudinal Sequential Optical Coherence Tomography Assessments and 3-Year Clinical Results of the New Dual-Therapy Endothelial Progenitor Cell Capturing Sirolimus-Elu

      Evaluation of Early Healing Profile and Neointimal Transformation Over 24 Months Using Longitudinal Sequential Optical Coherence Tomography Assessments and 3-Year Clinical Results of the New Dual-Therapy Endothelial Progenitor Cell Capturing Sirolimus-Elu

      Background— Current monotherapy drug-eluting stents are associated with impaired healing, neoatherosclerosis, and late stent thrombosis. The healing profile and neointimal transformation of the first dual-therapy endothelial progenitor cell–capturing sirolimus-eluting stent are unknown. Methods and Results— In this prospective, single-center study, 61 patients treated with the Combo stent had optical coherence tomography at baseline, early follow-up (4 monthly groups in a 1:2:2:1 ratio from 2 to 5 months), 9 months, and 24 months. Optical coherence tomography early strut coverage increased from 77.1% to 92.5% to 92.7% to 94.9% between 2 and 5 months ...

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    1-4 of 4
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    1. (4 articles) University of Hong Kong
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    Evaluation of Early Healing Profile and Neointimal Transformation Over 24 Months Using Longitudinal Sequential Optical Coherence Tomography Assessments and 3-Year Clinical Results of the New Dual-Therapy Endothelial Progenitor Cell Capturing Sirolimus-Elu The OCT-ORION Study A Randomized Optical Coherence Tomography Study Comparing Resolute Integrity to Biomatrix Drug-Eluting Stent on the Degree of Early Stent Healing and Late Lumen Loss The OCT-ORION Study: A Randomized Optical Coherence Tomography Study Comparing Resolute Integrity to Biomatrix Drug-Eluting Stent on the Degree of Early Stent Healing and Late Lumen Loss Establishment of healing profile and neointimal transformation in the new polymer-free Biolimus A9-coated coronary stent by longitudinal sequential optical coherence tomography assessments: The EGO-BIOFREEDOM study Comparative study between intravitreal ranibizumab and triamcinolone treatment of diabetic macular edema as regard to optical coherence tomography changes and visual acuity What’s New in Optical Coherence Tomography Angiography for Glaucoma (Book Chapter) Looking into the Future: Optical Coherence Tomography for the Assessment of Cardiac Allograft Vasculopathy Effects of Age on Peripapillary and Macular Vessel Density Determined Using Optical Coherence Tomography Angiography in Healthy Eyes Deep Neural Network Regression for Automated Retinal Layer Segmentation in Optical Coherence Tomography Images In-Stent Restenosis Lesion Morphology Related to Repeat Stenting Underexpansion as Evaluated by Optical Coherence Tomography Measurement of granule layer thickness in a spouted bed coating process via optical coherence tomography Angiography and optical coherence tomography assessment of the drug-coated balloon ESSENTIAL for the treatment of in-stent restenosis