1. Peter Barlis

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    1. Mentioned In 56 Articles

    2. The invasive assessment of coronary atherosclerosis and stents using optical coherence tomography: a clinical update

      The invasive assessment of coronary atherosclerosis and stents using optical coherence tomography: a clinical update
      Ischaemic heart disease (IHD) remains one of the leading causes of death. Atherosclerosis has been intensely researched given the IHD prevalence and the financial impacts on healthcare systems. More recently, in vivo characterisation of coronary atherosclerotic plaque and tissue responses following stent implantation in a coronary artery has been made possible by a novel technology called optical coherence tomography (OCT). OCT is a light-based, invasive, intracoronary imaging modality long applied ...
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    3. Expert review document part 2: methodology, terminology and clinical applications of optical coherence tomography for the assessment of interventional procedures

      Expert review document part 2: methodology, terminology and clinical applications of optical coherence tomography for the assessment of interventional procedures
      Introduction This document is complementary to an Expert Review Document on Optical Coherence Tomography (OCT) for the study of coronary arteries and atherosclerosis.1 The goal of this companion manuscript is to provide a practical guide framework for the appropriate use and reporting of the novel frequency domain (FD) OCT imaging to guide interventional procedures, with a particular interest on the comparison with intravascular ultrasound (IVUS).1–4 Technique for ...
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    4. Current applications of optical coherence tomography for coronary intervention

      Current applications of optical coherence tomography for coronary intervention
      Opticalcoherencetomography (OCT) is the ‘new kid on the block’ in coronary imaging. This technology offers clinicians a high resolution (approximately 15 μm), that is ten times higher than the currently accepted gold standard of intravascular ultrasound and has emerged as the ideal imaging tool for the assessment of superficial components of coronary plaques and stent struts. Novel OCT systems can perform quick and safe scanning of coronary arteries with a ...
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    5. Consensus Standards for Acquisition, Measurement, and Reporting of Intravascular Optical Coherence Tomography Studies: A Report From the International Working Group for Intravascular Optical Coherence Tomography Standardization and Validation

      Consensus Standards for Acquisition, Measurement, and Reporting of Intravascular Optical Coherence Tomography Studies: A Report From the International Working Group for Intravascular Optical Coherence Tomography Standardization and Validation
      ..., MD, PhD, Writing Committee Co-Chair, Takashi Akasaka, MD, Writing Committee Co-Chair, Tom Adriaenssens, MD, Peter Barlis, MD, Hiram G. Bezerra, MD, Brett Bouma, PhD, Nico Bruining, PhD, Jin-man Cho, MD, PhD, Saqib Chow...
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    6. Thrombus Contribution to Very Late Restenosis of Bare-Metal Stent Treated by Excimer Laser Angioplasty: In Vivo Assessment with Optical Coherence Tomography

      Thrombus Contribution to Very Late Restenosis of Bare-Metal Stent Treated by Excimer Laser Angioplasty: In Vivo Assessment with Optical Coherence Tomography
      A 75-year-old, male ex-smoker with hypertension and family history of ischemic heart disease, previous anterior myocardial infarction, and angioplasty with bare-metal stent implantation to the left anterior descending artery 4 years earlier, developed effort angina. A nuclear myocardial scan documented a stress-inducible perfusion defect in the left ventricular anterior wall. The patient was taking 100 mg aspirin daily and a 300 mg loading dose of clopidogrel was administered the day ...
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    7. Intracoronary Optical Coherence Tomography for the Assessment of In-Stent Restenosis

      Intracoronary Optical Coherence Tomography for the Assessment of In-Stent Restenosis
      Optical coherence tomography (OCT) is a novel imaging modality in interventional cardiology. With its clear image quality, it has attracted considerable attention as a tool to accurately evaluate atherosclerosis and coronary stents in vivo. It has a 10-fold higher resolution compared to intravascular ultrasound and utilises near-infrared light that requires temporary blood clearance during image acquisition. We present a case of in-stent restenosis in a patient five years after percutaneous ...
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    8. Simple versus complex approaches to treating coronary bifurcation lesions: direct assessment of stent strut apposition by optical coherence tomography.

      Simple versus complex approaches to treating coronary bifurcation lesions: direct assessment of stent strut apposition by optical coherence tomography.
      Introduction and objectives. Stenting of coronary bifurcation lesions carries an increased risk of stent deformation and malapposition. Anatomical and pathological observations indicate that the high stent thrombosis rate in bifurcations is due to malapposition of stent struts. Methods. Strut apposition was assessed with optical coherence tomography (OCT) in bifurcation lesions treated either using the simple technique of stent implantation in the main vessel only or a complex technique (i.e ...
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    9. Optical Coherence Tomography Assessment of Intimal Tissue and Malapposition

      Optical Coherence Tomography Assessment of Intimal Tissue and Malapposition
      The purpose of this study is to use a high-resolution intracoronary imaging modality, called optical coherence tomography (OCT) to examine two different types of coronary artery stents used to treat patients with coronary artery disease. The development of coronary stents has significantly improved the safety and efficacy of percutaneous coronary intervention (PCI) compared to balloon angioplasty alone. Nevertheless, restenosis is still encountered in 20 to 40% of coronary lesions after ...
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    10. In-stent restenosis associated with stent malapposition: Seven year optical coherence tomography findings

      In-stent restenosis associated with stent malapposition: Seven year optical coherence tomography findings
      Abstract: Stent thrombosis and in-stent restenosis remain significant issues in post-coronary angioplasty care despite advances in anti-platelet therapy and stent technology. Angiographic predictors of stent failure have been proposed, but its precise mechanism has been difficult to elucidate on conventional coronary angiography and intravascular ultrasound due to the low resolution of either approach. Optical coherence tomography (OCT) as a high-resolution intracoronary imaging modality has enabled more detailed insight into the ...
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    11. Interventional Cardiology: Principles and Practice (Book)

      Interventional Cardiology: Principles and Practice (Book)
      This new volume offers a balanced and current presentation of the key topics that form the cornerstone of an Interventional Cardiology training program including sections on Optical Coherence Tomography. Globally recognized editors and contributors draw on their years of experience to provide practical information emphasizing the basics of material selection and optimal angiographic setup for purposes of the interventional procedure. Comprehensive chapters address the different techniques of approaching complex coronary ...
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    12. Optical coherence tomography assessment of a new dedicated bifurcation stent

      Optical coherence tomography assessment of a new dedicated bifurcation stent
      Dedicated bifurcation stents should facilitate deployment and improved coverage of bifurcational lesions. We used optical coherence tomography (OCT) to assess bifurcation lesions treated with a dedicated stent implanted in the side branch (SB) in conjunction with drug eluting stents in the main vessel (MV) in a culotte-like fashion.
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    13. Use of optical coherence tomography in interventional cardiology

      Optical coherence tomography (OCT) has offered a greater understanding of coronary atherosclerosis with the ability to visualize plaque and quantify the thin, fibrous cap. Furthermore, OCT is able to traverse many of the limitations of angiography and intravascular ultrasound when imaging coronary stents in vivo. These applications are as a result of the use of near-infrared light, permitting an almost ‘histological’ resolution of the coronary artery. Novel developments with faster ...
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    14. An optical coherence tomography study of a biodegradable vs. durable polymer-coated limus-eluting stent: a LEADERS trial sub-study

      Aims: Incomplete endothelialization has been found to be associated with late stent thrombosis, a rare but devastating phenomenon, more frequent after drug-eluting stent implantation. Optical coherence tomography (OCT) has 10 times greater resolution than intravascular ultrasound and thus appears to be a valuable modality for the assessment of stent strut coverage. The LEADERS trial was a multi-centre, randomized comparison of a biolimus-eluting stent (BES) with biodegradable polymer with a sirolimus-eluting ...
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    15. 16-30 of 56 « 1 2 3 4 »
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  2. About Peter Barlis

    Peter Barlis

    Peter Barlis is an Interventional Cardiologist with the Northern Hospital, Department of Cardiology and Associate Professor of Medicine with the University of Melbourne, Australia.  He was Chief Interventional Fellow at the Royal Brompton Hospital, London, UK, under the mentorship of Professor Carlo Di Mario and completed his PhD at the Thoraxcenter, Erasmus University, Rotterdam, on the use of OCT in interventional cardiology. He introduced OCT technology into Australia and continues an active clinical and research OCT program.

  3. Quotes

    1. The response by colleagues has been phenomenal...We now have five centres in Australia using OCT and many others looking at starting up soon.
      In Inaugural Australia & New Zealand Optical Coherence Tomography Workshop a Success!