1. Articles from Carlo Trani

    1-24 of 33 1 2 »

    1. Relationship between coronary plaque morphology of the left anterior descending artery and 12 months clinical outcome: the CLIMA study

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      Relationship between coronary plaque morphology of the left anterior descending artery and 12 months clinical outcome: the CLIMA study

      Aims The CLIMA study, on the relationship between c oronary p l aque morphology of the left anter i or descending artery and twelve m onths clinic a l outcome, was designed to explore the predictive value of multiple high-risk plaque features in the same coronary lesion [minimum lumen area (MLA), fibrous cap thickness (FCT), lipid arc circumferential extension, and presence of optical coherence tomography (OCT)-defined macrophages] as detected by OCT. Composite of cardiac death and target segment myocardial infarction was the primary clinical endpoint. Methods and results From January 2013 to December 2016, 1003 patients undergoing OCT evaluation ...

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      Mentions: Corrado Tamburino Fernando Alfonso Francesco Prati

    2. Prospective Randomized Comparison of Fractional Flow Reserve Versus Optical Coherence Tomography to Guide Revascularization of Intermediate Coronary Stenoses: One-Month Results

      Explore Home | AHA/ASA Journals Cardiology
      Prospective Randomized Comparison of Fractional Flow Reserve Versus Optical Coherence Tomography to Guide Revascularization of Intermediate Coronary Stenoses: One-Month Results

      Background-—Fractional flow reserve (FFR) and optical coherence tomography (OCT) may help both in assessment and in percutaneous coronary intervention optimization of angiographically intermediate coronary lesions. We designed a prospective trial comparing the clinical and economic outcomes associated with FFR or OCT in angiographically intermediate coronary lesions. Methods and Results-—Three hundred fifty patients with angiographically intermediate coronary lesions (n=446) were randomized to FFR or OCT guidance. In the FFR arm, percutaneous coronary intervention was performed if FFR was ≤0.80 aiming for a postprocedure FFR >0.90. In the OCT arm, percutaneous coronary intervention was performed if percentage ...

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      Mentions: Rocco Vergallo

    3. Dual quantitative coronary angiography accurately quantifies intracoronary thrombotic burden in patients with acute coronary syndrome: Comparison with optical coherence tomography imaging

      Explore International Journal of Cardiology Cardiology
      Dual quantitative coronary angiography accurately quantifies intracoronary thrombotic burden in patients with acute coronary syndrome: Comparison with optical coherence tomography imaging

      Background Dual quantitative coronary angiography (QCA) has been recently tested for assessment of intracoronary thrombus volume in experimental models. The present study aimed to validate dual QCA in vivo for the assessment of thrombus burden by exploring the correlations between dual QCA-thrombus volume and optical coherence tomography (OCT)-derived indices of thrombotic burden. Methods and results Fifty-one patients with ACS and angiographic evidence of thrombus undergoing OCT of the culprit lesion before stenting were included. Dual QCA-thrombus volume was calculated as difference between edge-detection and video-densitometry area functions along the target segment. Culprit lesion was categorized using the Ambrose's ...

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    4. Coronary Atherosclerotic Phenotype and Plaque Healing in Patients With Recurrent Acute Coronary Syndromes Compared With Patients With Long-term Clinical Stability An In Vivo Optical Coherence Tomography Study

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      Coronary Atherosclerotic Phenotype and Plaque Healing in Patients With Recurrent Acute Coronary Syndromes Compared With Patients With Long-term Clinical Stability An In Vivo Optical Coherence Tomography Study

      Importance At one end of the coronary artery disease (CAD) spectrum, there are patients with multiple recurrent acute coronary syndromes (rACS), and at the other end there are those with long-standing clinical stability. Predicting the natural history of these patients is challenging because unstable plaques often heal without resulting in ACS. Objective To assess in vivo the coronary atherosclerotic phenotype as well as the prevalence and characteristics of healed coronary plaques by optical coherence tomography (OCT) imaging in patients at the extremes of the CAD spectrum. Design, Setting, and Participants This is an observational, single-center cohort study with prospective clinical ...

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      Mentions: Mount Sinai School of Medicine Massachusetts General Hospital Harvard University

    5. Stent malapposition, strut coverage and atherothrombotic prolapse after percutaneous coronary interventions in ST-segment elevation myocardial infarction

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      Stent malapposition, strut coverage and atherothrombotic prolapse after percutaneous coronary interventions in ST-segment elevation myocardial infarction

      Aims Stent implantation in ST-segment elevation myocardial infarction (STEMI) patients can be challenging and sometimes associated with immediate and long-term suboptimal results. Stent malapposition and strut uncoverage, predictors of stent thrombosis, are frequently detected in STEMI patients at medium/long-term follow-up. Nevertheless, data at a short follow-up are missing. We aimed to assess the extent of stent malapposition and struts coverage in the subacute phase of STEMI after stent implantation in primary or rescue percutaneous coronary intervention (PCI). Methods STEMI patients undergone primary or rescue PCI and scheduled for a second coronary angiography after 2–7 days were enrolled. During ...

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    6. Trends and outcomes of optical coherence tomography use: 877 patients single-center experience

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      Trends and outcomes of optical coherence tomography use: 877 patients single-center experience

      Background Optical-coherence-tomography (OCT) is an emerging invasive coronary imaging with still undefined clinical value. Recent data have underlined daily impact of such technique in several clinical settings such as acute coronary syndromes (ACS) and percutaneous coronary intervention (PCI) guidance. We aimed at assessing the trends and outcomes of OCT use in a high-volume percutaneous coronary interventions (PCI)-center. Methods Over 6 years, 1025 coronary artery segments in 877 patients underwent OCT evaluation. Clinical and procedural characteristics were prospectively collected. Clinical setting for OCT were: “ Diagnostic OCT” (OCT for lesion evaluation after coronary angiography without further PCI); “ PCI-guidance OCT” (OCT as ...

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    7. Correlation between CD4+CD28null T lymphocytes, regulatory T cells and plaque rupture: An Optical Coherence Tomography study in Acute Coronary Syndromes

      Explore International Journal of Cardiology Cardiology
      Correlation between CD4+CD28null T lymphocytes, regulatory T cells and plaque rupture: An Optical Coherence Tomography study in Acute Coronary Syndromes

      Background A sizeable proportion of patients with Acute Coronary Syndromes (ACS) shows a unique adaptive immune system profile, associated to a worse outcome, characterized by higher CD4 + CD28 null T-cells, lower regulatory T-cells (Treg) and increased CD4 + CD28 null /Treg ratio. We sought to investigate the correlation between CD4 + CD28 null T-cells, Treg, CD4 + CD28 null /Treg ratio and plaque phenotype as assessed by Optical Coherence Tomography (OCT). Methods Peripheral blood mononuclear cells (PBMC) were collected from 30 Non-ST Elevation Myocardial Infarction (NSTEMI) patients, sub-grouped according to OCT analysis of culprit lesions into two cohorts: Ruptured Fibrous Cap (NSTEMI-RFC, n ...

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      Mentions: Rocco Vergallo

    8. Long-term consequences of optical coherence tomography findings during percutaneous coronary intervention: the centro per la lotta contro l\'infarto - optimization of percutaneous coronary intervention (cli-opci) late study

      Explore eurointervention.org Cardiology
      Long-term consequences of optical coherence tomography findings during percutaneous coronary intervention: the centro per la lotta contro l\'infarto - optimization of percutaneous coronary intervention (cli-opci) late study

      Aims: The role of intra-procedural Optical Coherence Tomography (OCT) on long-term clinical outcome of percutaneous coronary interventions (PCI) remains undefined. Methods and results: In the context of the multicenter Centro per la Lotta contro l’Infarto-Optimisation of Percutaneous Coronary Intervention (CLI-OPCI) registry, we compared long-term PCI outcome of 1211 patients from 13 independent OCT-experienced centers according to end-procedural OCT findings. OCT assessment revealed suboptimal stent implantation in 30.9% of lesions, with increased prevalence in patients experiencing device-oriented cardiovascular events (DoCE) (52.8% vs. 28.0%, p<0.001). At median follow-up of 833 (quartiles 415-1447) days, in-stent minimum lumen ...

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      Mentions: Cardiovascular Research Foundation Gary S. Mintz Corrado Tamburino

    9. Long-tem consequences of optical coherence tomography findings during percutaneous coronary intervention: the centro per la lotta contro l\'infarto - optimization of percutaneous coronary intervention (cli-opci) late study

      Explore eurointervention.org Cardiology
      Long-tem consequences of optical coherence tomography findings during percutaneous coronary intervention: the centro per la lotta contro l\'infarto - optimization of percutaneous coronary intervention (cli-opci) late study

      Aims: The role of intra-procedural Optical Coherence Tomography (OCT) on long-term clinical outcome of percutaneous coronary interventions (PCI) remains undefined. Methods and results: In the context of the multicenter Centro per la Lotta contro l’Infarto-Optimisation of Percutaneous Coronary Intervention (CLI-OPCI) registry, we compared long-term PCI outcome of 1211 patients from 13 independent OCT-experienced centers according to end-procedural OCT findings. OCT assessment revealed suboptimal stent implantation in 30.9% of lesions, with increased prevalence in patients experiencing device-oriented cardiovascular events (DoCE) (52.8% vs. 28.0%, p<0.001). At median follow-up of 833 (quartiles 415-1447) days, in-stent minimum lumen ...

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      Mentions: Cardiovascular Research Foundation Gary S. Mintz Corrado Tamburino

    10. Correlation between frequency-domain optical coherence tomography and fractional flow reserve in angiographically-intermediate coronary lesions

      Explore International Journal of Cardiology Cardiology
      Correlation between frequency-domain optical coherence tomography and fractional flow reserve in angiographically-intermediate coronary lesions

      Background The decision-making process of patients with angiographically-intermediate coronary lesions (ICL) is clinically challenging and may benefit from adjunctive invasive techniques. Fractional-flow-reserve (FFR) represents the gold standard to evaluate ICL but frequency-domain optical-coherence-tomography (OCT) is a novel, promising, high resolution coronary imaging technique, which allows physiopathologic assessment of coronary plaque. We investigated the possible relation between OCT and FFR in selected ICL patients. Methods Stable or unstable patients with ICL who underwent both FFR and OCT assessment at two large tertiary centers were retrospectively enrolled. FFR was performed according to standard methodology. OCT images were (on blind to clinical and ...

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    11. Data on optical coherence tomography guidance for the management of angiographically intermediate left main bifurcation lesions

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      Data on optical coherence tomography guidance for the management of angiographically intermediate left main bifurcation lesions

      The data presented in this article are related to the research article entitled “Optical coherence tomography guidance for the management of angiographically intermediate left main bifurcation lesions: early clinical experience” [1] . In this article we reports details about our clinical experience with frequency domain-optical coherence tomography (FD-OCT) guidance for the management of patients with left main (LM) bifurcation lesions of intermediate angiographic severity. LM patients were assessed by FD-OCT and, on the bases of the findings, managed by myocardial revascularization or conservative treatment (revascularization deferral). The observed outcomes support the feasibility of FD-OCT guidance for LM bifurcated lesions and call ...

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    12. Coronary stents and vascular response to implantation: literature review

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      Coronary stents and vascular response to implantation: literature review

      Drug-eluting stents (DESs) have minimized the limitations of bare-metal stents (BMSs) after percutaneous coronary interventions. Nevertheless, serious concerns remain about possible late complications of stenting, such as stent thrombosis (ST) and in-stent restenosis (ISR), although the introduction of second-generation DESs seems to have softened the phenomenon, compared to the first-generation ones. ST is a potentially catastrophic event, which has been markedly reduced by optimization of stent implantation, novel stent designs, and dual antiplatelet therapy. The exact mechanism to explain its occurrence is under investigation, and, realistically, multiple factors are responsible. ISR of BMSs has been previously considered as a stable ...

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    13. Optical coherence tomography guidance for the management of angiographically intermediate left main bifurcation lesions: Early clinical experience

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      Optical coherence tomography guidance for the management of angiographically intermediate left main bifurcation lesions: Early clinical experience

      Background Left main (LM) atherosclerotic lesions affect clinical outcomes. Frequency domain-optical coherence tomography (FD-OCT) allows detailed characterization of non-ostial coronary atherosclerotic lesions. The clinical impact of FD-OCT assessment of LM bifurcation disease on the revascularization decision is unknown. Methods Patients who underwent FD-OCT assessment to guide management of angiographically intermediate distal LM stenosis were retrospectively selected. The FD-OCT LM criteria for percutaneous or surgical revascularization were: - LM area stenosis (AS) ≥75% - LM AS >50% < 75% with minimum lumen area < 4 mm 2 or plaque ulceration critical FD-OCT ostial stenosis on the left anterior descending or circumflex arteries. Clinical follow-up was ...

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    14. Frequency-domain optical coherence tomography plaque morphology in stable coronary artery disease: sex differences

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      Frequency-domain optical coherence tomography plaque morphology in stable coronary artery disease: sex differences

      Background: The cause for discrepancy in the clinical presentation and outcome of coronary artery disease (CAD) between men and women is not established. Different prevalences of risk factors or specific sex-related atherosclerotic aspects have been advocated as possible explanations. We investigated coronary plaque morphology looking at possible differences in plaque vulnerability between men and women with stable CAD.

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    15. Not all plaque ruptures are born equal: an optical coherence tomography study

      Explore ehjcimaging.oxfordjournals.org Cardiology
      Not all plaque ruptures are born equal: an optical coherence tomography study

      Aims Plaque rupture (PR) represents the most common substrate of coronary thrombosis, in at least 50% of cases. Chronic low grade inflammation is a common background for atherosclerosis development; however, increased plaque inflammation may predispose by itself to PR. In the last decade, studies performed by optical coherence tomography (OCT) have allowed to establish the severity of plaque inflammation by assessing macrophage infiltration (MØI). Our retrospective study aimed at assessing the role of plaque inflammation in PR among patients with acute coronary syndrome (ACS) using OCT. Methods and results We enrolled 56 patients with ACS exhibiting PR at the ...

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      Mentions: Rocco Vergallo

    17. Angiographically intermediate left main bifurcation disease assessment by frequency domain optical coherence tomography (FD-OCT)

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      Angiographically intermediate left main bifurcation disease assessment by frequency domain optical coherence tomography (FD-OCT)

      High-risk atherosclerotic plaques as thin cap fibroatheroma (TCFA) are frequently located in coronary regions with low shear stress [1,2], as coronary bifurcation and in particular left main (LM) bifurcation [3]. Previous invasive imaging studies on LM plaque characterization by intravascular ultrasound (IVUS) reported that LM carina is usually spared and that the disease is generally extended from LM into the distal branches [4]. Frequency domain-optical coherence tomography (FD-OCT) is a high resolution imaging modality that allows high-quality visualization of inner vessel wall structure and accurate measurement of vascular microstructures such as the fibrous cap [5].

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    19. Clinical Impact of OCT Findings During PCI: The CLI-OPCI II Study

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      Clinical Impact of OCT Findings During PCI: The CLI-OPCI II Study

      Objectives The goal of this study was to assess the clinical impact of optical coherence tomography (OCT) findings during percutaneous coronary intervention (PCI). Background OCT provides unprecedented high-definition visualization of plaque/stent structures during PCI; however, the impact of OCT findings on outcome remains undefined. Methods In the context of the multicenter CLI-OPCI (Centro per la Lotta contro l’Infarto–Optimisation of Percutaneous Coronary Intervention) registry, we retrospectively analyzed patients undergoing end-procedural OCT assessment and compared the findings with clinical outcomes. Results A total of 1,002 lesions (832 patients) were assessed. Appropriate OCT assessment was obtained in 98.2 ...

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      Mentions: Cardiovascular Research Foundation Gary S. Mintz Corrado Tamburino

    20. Impact of drug-eluting balloon (pre- or post-) dilation on neointima formation in de novo lesions treated by bare-metal stent: the IN-PACT CORO trial

      Explore Home - Springer Cardiology
      Impact of drug-eluting balloon (pre- or post-) dilation on neointima formation in de novo lesions treated by bare-metal stent: the IN-PACT CORO trial

      The efficacy of DEB in modifying the high restenosis risk associated with BMS implantation is doubtful. Optical coherence tomography (OCT) may allow precise assessment of neointimal formation after stent implantation. We performed a single-center, prospective, 1:2 randomized trial comparing BMS implantation alone (BMS group) vs. additional DEB (DEB group). DEB patients were further randomized 1:1 to DEB before stenting (pre-DEB group), or after stenting (post-DEB group). Primary endpoint was OCT-assessed neointimal hyperplasia (expressed both as mean in-stent neointimal area and as percentage obstruction of the mean stent area) at 6 months. Secondary endpoints were the percentage of uncovered ...

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      Mentions: Francesco Prati

    21. Optical coherence tomography features of angiographic complex and smooth lesions in acute coronary syndromes

      Explore Home - Springer Cardiology
      Optical coherence tomography features of angiographic complex and smooth lesions in acute coronary syndromes

      Plaque rupture (PR) and superimposed thrombosis have been shown as the most frequent underlying substrate in acute coronary syndromes (ACS). Coronary angiography is a luminogram not able to define in vivo features of the culprit plaques. The aim of the study was to use optical coherence tomography (OCT) to investigate the pathology underlying complex (CL) and non-complex angiographic lesions (NCL). We retrospectively enrolled 107 ACS patients admitted to our institution; 83 with non-ST elevation ACS (NSTE-ACS) and 24 with ST-elevation myocardial infarction. Coronary angiography was performed and culprit lesions were classified according to Ambrose criteria into NCL (n = 47) and ...

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      Mentions: European Society of Cardiology Francesco Prati

    22. Plaque rupture and intact fibrous cap assessed by optical coherence tomography portend different outcomes in patients with acute coronary syndrome

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      Plaque rupture and intact fibrous cap assessed by optical coherence tomography portend different outcomes in patients with acute coronary syndrome

      Aims Patients presenting with acute coronary syndrome (ACS) may have different plaque morphologies at the culprit lesion. In particular, plaque rupture (PR) has been shown as the more frequent culprit plaque morphology in ACS. However, its prognostic value is still unknown. In this study, we evaluated the prognostic value of PR, compared with intact fibrous cap (IFC), in patients with ACS. Methods and results We enrolled consecutive patients admitted to our Coronary Care Unit for ACS and undergoing coronary angiography followed by interpretable optical coherence tomography (OCT) imaging. Culprit lesion was classified as PR and IFC by OCT criteria. Prognosis ...

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      Mentions: Francesco Prati

    23. Frequency domain optical coherence tomography to assess non-ostial left main coronary artery

      Explore eurointervention.org Cardiology
      Frequency domain optical coherence tomography to assess non-ostial left main coronary artery

      Aims: The aim of this study was to assess the feasibility of unprotected non-ostial left main (LM) imaging by frequency domain optical coherence tomography (FD-OCT). Methods and results: We conducted a retrospective analysis of OCT studies performed to image lesions located in the non-ostial LM. OCT studies were analysed to detect the number of artefact frames in the different LM/bifurcation segments. OCT cross-sectional images were used to assess area measures. OCT longitudinal reconstructions were used to obtain the LM length. Standard quantitative coronary angiography (QCA) was used as the reference methodology. A total of 54 patients with non-ostial LM ...

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      Mentions: St. Jude Medical

    24. Dual role of circulating endothelial progenitor cells in stent struts endothelialisation and neointimal regrowth: a substudy of the IN-PACT Coro trial

      Explore cardiorevascmed.com Cardiology
      Dual role of circulating endothelial progenitor cells in stent struts endothelialisation and neointimal regrowth: a substudy of the IN-PACT Coro trial

      Background Endothelialisation is a crucial event after percutaneous coronary intervention (PCI). Endothelial progenitor cells (EPC) are bone marrow derived elements with reparative properties. We aimed to assess the relationship between circulating EPC levels and stent neointimal hyperplasia (NIH) using frequency domain optical coherence tomography (FD-OCT). Methods Patients undergoing elective PCI to native vessels and randomized to bare metal stent (BMS) alone versus BMS plus drug coated balloon (DCB) were included. At six months, angiographic follow-up and FD-OCT were performed to measure percentage neointimal hyperplasia volume obstruction (%NIHV), and percentage of uncovered stent struts (%US). Venous blood samples were obtained before ...

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      Mentions: Francesco Prati
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    1. (9 articles) Francesco Prati
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    Predictors of Periprocedural (Type IVa) Myocardial Infarction, as Assessed by Frequency-Domain Optical Coherence Tomography INtimal hyPerplasia evAluated by oCT in de novo COROnary lesions treated by drug-eluting balloon and bare-metal stent (IN-PACT CORO): study protocol for a randomized controlled trial Angiography alone versus angiography plus optical coherence tomography to guide decision-making during percutaneous coronary intervention: the Centro per la Lotta contro l’Infarto-Optimisation of Percutaneous Coronary Intervention (CLI-OPCI) study Frequency-domain optical coherence tomography assessment of kissing-balloon effects in bifurcated coronary artery lesions undergoing provisional stenting - Corrected Proof Radial artery complications occurring after transradial coronary procedures using long hydrophilic-coated introducer sheath: a frequency domain-optical coherence tomography study Frequency-domain optical coherence tomography findings in patients with bifurcated lesions undergoing provisional stenting Association between inflammatory biomarkers and in-stent restenosis tissue features: an Optical Coherence Tomography Study Fractional flow reserve or optical coherence tomography guidance to revascularize intermediate coronary stenosis using angioplasty (FORZA) trial: study protocol for a randomized controlled trial 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 Clinical Impact of OCT Findings During PCI: The CLI-OPCI II Study IMAGING TECHNIQUE FROM BECKMAN LAB NAMED TOP 10 MICROSCOPY INNOVATION Optical coherence refraction tomography