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    1. Mentioned In 20 Articles

    2. Optical Coherence Tomography Findings in Patients with Coronary Stent Thrombosis: A Report of the PREvention of Late Stent Thrombosis by an Interdisciplinary Global European Effort (PRESTIGE) Consortium

      Optical Coherence Tomography Findings in Patients with Coronary Stent Thrombosis: A Report of the PREvention of Late Stent Thrombosis by an Interdisciplinary Global European Effort (PRESTIGE) Consortium
      Background Stent thrombosis (ST) is a serious complication following coronary stenting. Intravascular optical coherence tomography (OCT) may provide insights into mechanistic processes leading to ST. We performed a prospective, multicenter study to evaluate OCT findings in patients with ST. Methods Consecutive patients presenting with ST were prospectively enrolled in a registry using a centralized telephone registration system. After angiographic confirmation of ST, OCT imaging of the culprit vessel was performed ...
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    3. Suboptimal agreement between optical coherence tomography and near-infrared spectroscopy for identification of lipid-laden plaque

      Suboptimal agreement between optical coherence tomography and near-infrared spectroscopy for identification of lipid-laden plaque
      Recently developed intracoronary imaging techniques allow real-time, in vivo identification of lipid in atherosclerotic plaques. Optical coherence tomography (OCT), a light-based imaging technique with high axial resolution (10-20 m), identifies lipid-laden plaques as signal-poor regions with diffuse borders. A validation study performed versus histopathology confirmed the high sensitivity (90% to 94%) and specificity (90% to 92%) of OCT to identify lipid-laden plaques 1 . Near-infrared spectroscopy (NIRS) detects lipid-laden plaque by ...
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    4. The OPTIS Integrated System: real-time, co-registration of angiography and optical coherence tomography

      The OPTIS Integrated System: real-time, co-registration of angiography and optical coherence tomography
      The efficacy of an IVUS-guided stent implantation strategy to improve acute results and clinical outcome has been described previously. OCT is another technique which allows high-resolution intracoronary imaging. However, the use of invasive imaging modalities to guide PCI has, as yet, played a limited role in current clinical practice. This may be partly explained by the expertise required for interpretation and clinical decision making. We present a novel technology which ...
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    5. Optical Coherence Tomography for Online Guidance of Complex Coronary Interventions

      Optical Coherence Tomography for Online Guidance of Complex Coronary Interventions
      Decision making on lesion preparation and stent/scaffold optimization are cornerstones of patient outcome. Intravascular imaging recently emerged as a critical modality to achieve better results of stent/scaffold implantation and superior clinical outcomes compared with coronary angiography alone. Optical coherence tomography (OCT), a light-based intravascular imaging modality with high frame rate in acquisition and very high speed pullback, can interrogate the target vessel in a couple of seconds, and ...
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    6. Impact of Culprit Plaque and Atherothrombotic Components on Incomplete Stent Apposition in Patients With ST-Elevation Myocardial Infarction Treated With Everolimus-Eluting Stents – An OCTAVIA Substudy –

      Impact of Culprit Plaque and Atherothrombotic Components on Incomplete Stent Apposition in Patients With ST-Elevation Myocardial Infarction Treated With Everolimus-Eluting Stents – An OCTAVIA Substudy –
      Background: The role of culprit plaque and related atherothrombotic components on incomplete stent apposition (ISA) occurrence after primary percutaneous coronary intervention (p-PCI) is unknown. Methods and Results: ST-segment elevation myocardial infarction (STEMI) patients undergoing p-PCI with an everolimus-eluting stent were prospectively investigated with optical coherence tomography (OCT) of the infarct-related artery before, after stenting and at 9 months. OCT data, aspirated thrombus and serum inflammatory biomarkers were analyzed. 114 patients ...
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    7. Bioresorbable vascular scaffold overlap evaluation with optical coherence tomography after implantation with or without enhanced stent visualization system (WOLFIE study): a two-centre prospective comparison

      Bioresorbable vascular scaffold overlap evaluation with optical coherence tomography after implantation with or without enhanced stent visualization system (WOLFIE study): a two-centre prospective comparison
      To assess if enhanced stent visualization (ESV)-guided implantation of overlapping bioresorbable vascular scaffold (BVS) is superior to angiography alone-guided implantation in the reduction of overlap length. WOLFIE is a two-centre prospective open study enrolling 30 patients treated with implantation of at least two overlapping BVS. In the first centre (London), BVS implantation was guided by conventional angiography, while in the second centre (Ferrara), an ESV system was systematically employed ...
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    8. Severe spasm of the left main and spontaneous intramural haematoma: a serial optical coherence tomography study

      Severe spasm of the left main and spontaneous intramural haematoma: a serial optical coherence tomography study
      A 41-year-old woman developed acute myocardial infarction after salbuterol abuse. Coronary angiography showed narrowing of the left main (LM) and of the proximal left anterior descending artery (LAD), and a hazy subocclusion of the mid LAD. Manual and rheolytic thrombectomy were performed without retrieving thrombus and improving flow. Due to haemodynamic instability, we deployed a drug-eluting stent (DES) and performed a first optical coherence tomography (OCT) scan, demonstrating severe spasm ...
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    9. Mechanisms of Atherothrombosis and Vascular Response to Primary Percutaneous Coronary Intervention in Women Versus Men With Acute Myocardial Infarction : Results of the OCTAVIA (Optical Coherence Tomography Assessment of Gender Diversity in Primary Angiop

      Mechanisms of Atherothrombosis and Vascular Response to Primary Percutaneous Coronary Intervention in Women Versus Men With Acute Myocardial Infarction : Results of the OCTAVIA (Optical Coherence Tomography Assessment of Gender Diversity in Primary Angiop
      Objectives This study sought to assess in vivo sex differences in the pathophysiology of ST-segment elevation myocardial infarction (STEMI) and vascular response to primary percutaneous coronary intervention (PCI). Background There is no consensus on whether differences in the pathophysiology of STEMI and response to primary PCI between women and men reflect biological factors as opposed to differences in age. Methods In this prospective, multicenter study, 140 age-matched men and women ...
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    10. Endovascular Imaging and 3-Dimensional Reconstruction of Spontaneous Coronary Artery Dissection

      Endovascular Imaging and 3-Dimensional Reconstruction of Spontaneous Coronary Artery Dissection
      A 57-year-old woman without coronary risk factors presented with nonST-segment elevation myocardial infarction. Angiography revealed a normal anterior descending artery with lumen irregularities in the middle part (A, B, C) . Intravascular ultrasound (IVUS) (D, E, F) disclosed an intramural hematoma along the middle segment of the artery. Optical coherence tomography (OCT), resolution 15 m, showed a proximal entry tear (G, H, arrow) , a large intramural hematoma (*) that compress the true ...
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    11. The impact of an eccentric intravascular ImageWire during coronary optical coherence tomography imaging

      The impact of an eccentric intravascular ImageWire during coronary optical coherence tomography imaging
      Optical Coherence Tomography (OCT) provides high-resolution imaging which enables characterisation of atherosclerosis and vascular response to injury, but to ensure optimal analysis, one must realise potential sources of image distortion. We designed a series of analysesl, using coronary stents as a model, to investigate the influence of wire position on OCT-derived vascular images.
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    12. Optical coherence tomography (OCT) strut-level analysis of drug-eluting stents (DES) in human coronary bifurcations

      Optical coherence tomography (OCT) strut-level analysis of drug-eluting stents (DES) in human coronary bifurcations
      Aims: We sought to evaluate the vascular response of stent struts deployed in bifurcation segments using optical coherence tomography (OCT). Conclusions: This study demonstrates a variable patter of strut coverage in the bifurcation among stent technologies, with a high percentage of PES floating struts remaining uncovered at 6-month follow-up.
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    13. Optical Coherence Tomography for Bile and Pancreatic Duct Imaging

      Optical coherence tomography (OCT) is an optical imaging modality introduced in 1991 that performs high-resolution, cross-sectional, subsurface tomographic imaging of the microstructure in materials and biologic systems by measuring backscattered or backreflected infrared light. OCT has been used for biomedical applications where many factors affect the feasibility and effectiveness of any imaging technique. The highly scattering and absorbing living tissues greatly limit the application of optical imaging modalities. In the ...
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    14. Assessment of Heterogeneity of Strut-Level Neointima Hyperplasia After Stent Implantation by Optical Coherence Tomography

      Background: Optical coherence tomography (OCT) permits a highly accurate NIH assessment at each strut level within a cross-section. The aim of this study is to evaluate heterogeneity of NIH among different stents. Methods: Patients enrolled in ODESSA were assessed. ODESSA was a prospective randomized trial designed to evaluate strut coverage of overlapped (OLP) vs. non-OLP stent segments for the treatment of de-novo, native coronary artery stenosis with four different stent ...
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    15. Unhealed Plaque Ruptures After Stenting in Acute Myocardial Infarction Assessed by Intracoronary Optical Coherence Tomography: Incidence, Predictors, and Clinical Implication

      Backgrounds: Non healing after stenting a ruptured thin capped fibroatheroma in acute myocardial infarction (AMI) has been suggested to be a possible cause of late stent thrombosis. Optical coherence tomography (OCT) provides detailed information of ruptured plaques and stent strut coverage. We used OCT to assess the incidence, predictors, and implications of residual plaque rupture after stenting in AMI. Methods: The HORIZONS-AMI trial was a prospective, multicenter, dual arm factorial ...
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    16. Feature Of The Week 5/24/09: Investigation of Oddi sphincter structure by optical coherence tomography in patients with biliary-type 1 dysfunction.

      Feature Of The Week 5/24/09: Investigation of Oddi sphincter structure by optical coherence tomography in patients with biliary-type 1 dysfunction.
      ...ier Alberto Testoni. Feature Of The Week 5/24/09: Researchers from the Scientific Institute of San Raffaele, Azienda Ospedaliera San Paolo - University Hospital in Milan, and University of Milan have done leading resear...
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  2. About Azienda Ospedaliera San Paolo

    Azienda Ospedaliera San Paolo

    Azienda Ospedaliera San Paolo - Polo Universitario has 623 beds in hospital including 93 in day hospital or day surgery with a catchment area of about 500,000 people and was recognized by the Ministry of Health as a "major National Hospital". Since 1987 he University, home of the Faculty of Medicine, Surgery and Dentistry hosting the teachings of the degree course in Medicine and Dentistry. The San Paolo Hospital is part of HPH (Health Promoting Hospital) of the World Health Organization projects with health promotion. Also is part of the service call center phone Health Milano "free for the citizen, which allows you to book visits and examinations, specialized equipment at various facilities in Milan with one phone call. Since 2000, the Hospital has achieved the Dipartimentalizzazione units complementary and mutually dependent then. The Department articulated the relationship between the manner of organization and management that allow, through shared rules and functional complexes to achieve goals not otherwise achievable, thus improving the technical quality of care while streamlining costs, overcoming organizational dysfunction, increasing the research and the link between teaching and service.