1. Rocco Vergallo

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    1. Mentioned In 46 Articles

    2. Healed Culprit Plaques in Patients With Acute Coronary Syndrome

      Healed Culprit Plaques in Patients With Acute Coronary Syndrome
      ackground Healed plaques, morphologically characterized by a layered phenotype, are frequently found in subjects with sudden cardiac death. However, in vivo data are lacking. Objectives The purpose of this study was to determine the prevalence, morphological characteristics, and clinical significance of healed culprit plaques in patients with acute coronary syndromes (ACS) using optical coherence tomography (OCT). Methods A total of 376 ACS patients (252 ST-segment elevation myocardial infarction [MI] and ...
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    3. Alterations of Hyaluronan Metabolism in Acute Coronary Syndrome: Implications for Plaque Erosion

      Alterations of Hyaluronan Metabolism in Acute Coronary Syndrome: Implications for Plaque Erosion
      Background Superficial erosion currently causes at least one-third of acute coronary syndromes (ACS), and its incidence is increasing. Yet, the underlying mechanisms in humans are still largely unknown. Objectives The authors sought to assess the role of hyaluronan (HA) metabolism in ACS. Methods Peripheral blood mononuclear cells were collected from ACS (n = 66), stable angina (SA) (n = 55), and control (CTRL) patients (n = 45). The authors evaluated: 1) gene expression ...
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      Mentions: Rocco Vergallo
    4. Correlation between CD4+CD28null T lymphocytes, regulatory T cells and plaque rupture: An Optical Coherence Tomography study in Acute Coronary Syndromes

      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 ...
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      Mentions: Rocco Vergallo
    5. Plaque erosion causing ST-segment elevation myocardial infarction: report of an optical coherence tomography-documented case and concise literature review

      Plaque erosion causing ST-segment elevation myocardial infarction: report of an optical coherence tomography-documented case and concise literature review
      A 61-year-old man presented to the Emergency Room of a referring hospital with anterior ST-segment elevation myocardial infarction (STEMI) and was immediately treated by antiplatelet therapy and transferred to our hospital to perform a primary percutaneous coronary intervention (PCI)...
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      Mentions: Rocco Vergallo
    6. Is age an important factor for vascular response to statin therapy? A serial optical coherence tomography and intravascular ultrasound study

      Is age an important factor for vascular response to statin therapy? A serial optical coherence tomography and intravascular ultrasound study
      Objective: Age-related structural and functional changes in vessel wall may affect the time course of vascular response to statin therapy. In this study, we sought to compare the response of lipid-rich plaque to statin therapy in elderly versus younger patients using optical coherence tomography and intravascular ultrasound. Patients and methods: Sixty-nine patients who underwent serial optical coherence tomography and intravascular ultrasound at the time point of baseline, 6, and 12 ...
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    7. Not all plaque ruptures are born equal: an optical coherence tomography study

      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 (MI). Our retrospective study aimed at assessing ...
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      Mentions: Rocco Vergallo
    8. Prevalence and Predictors of Multiple Coronary Plaque Ruptures In Vivo 3-Vessel Optical Coherence Tomography Imaging Study

      Prevalence and Predictors of Multiple Coronary Plaque Ruptures In Vivo 3-Vessel Optical Coherence Tomography Imaging Study
      Objective Plaque rupture may be the local expression of a widespread coronary instability. This study aimed to investigate: (1) the prevalence and characteristics of nonculprit plaque rupture; (2) the pancoronary atherosclerotic phenotype in patients with and without nonculprit plaque rupture; and (3) the prevalence and predictors of multiple plaque ruptures. Approach and Results Six hundred and seventy-five nonculprit plaques from 261 patients (34 acute myocardial infarction, 73 unstable angina pectoris ...
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    9. Associations between the Framingham Risk Score and coronary plaque characteristics as assessed by three-vessel optical coherence tomography

      Associations between the Framingham Risk Score and coronary plaque characteristics as assessed by three-vessel optical coherence tomography
      Objectives: This study sought to explore the association between the Framingham Risk Score (FRS) and coronary plaque characteristics assessed by optical coherence tomography (OCT) imaging. Background: Clinical prediction models are useful for identifying high-risk patients. However, coronary events often occur in individuals estimated to be at low risk. Methods: A total of 254 patients with coronary artery disease who underwent three-vessel OCT were divided into tertiles according to FRS. Nonculprit ...
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    10. Three-dimensional morphological response of lipid-rich coronary plaques to statin therapy: a serial optical coherence tomography study

      Three-dimensional morphological response of lipid-rich coronary plaques to statin therapy: a serial optical coherence tomography study
      Objective: Previous studies have suggested that intensive statin therapy, compared with moderate statin therapy, provided greater reduction of LDL and better protection against major cardiovascular events. However, the exact dose-dependent mechanism of plaque stabilization remains unclear. The aim of this study is to investigate the three-dimensional (3D) response of fibrous caps overlying lipid plaques to statin therapy. Methods: We applied a novel computer algorithm to investigate the fibrous cap 3D ...
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    11. Serial Optical Coherence Tomography and Intravascular Ultrasound Analysis of Gender Difference in Changes of Plaque Phenotype in Response to Lipid-lowering Therapy

      Serial Optical Coherence Tomography and Intravascular Ultrasound Analysis of Gender Difference in Changes of Plaque Phenotype in Response to Lipid-lowering Therapy
      Although the clinical benefit of statins have been demonstrated in both genders, gender differences in the response to statin therapy on plaque morphological changes have not been reported. A total of 66 non-culprit plaques from 46 patients who had serial image acquisition at baseline, 6 months, and 12 months by both optical coherence tomography (OCT) and intravascular ultrasound (IVUS) were included. Patients were treated with atorvastatin 60mg (AT60) or 20mg ...
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    12. Comparison of Intensive versus Moderate Lipid-lowering Therapy on Fibrous Cap and Atheroma Volume of Coronary Lipid-rich Plaque Using Serial Optical Coherence Tomography and Intravascular Ultrasound Imaging

      Comparison of Intensive versus Moderate Lipid-lowering Therapy on Fibrous Cap and Atheroma Volume of Coronary Lipid-rich Plaque Using Serial Optical Coherence Tomography and Intravascular Ultrasound Imaging
      Despite marked clinical benefit, reduction in atheroma volume with statin therapy is minimal. Changes in plaque composition may explain this discrepancy. We aimed in the present study to assess the effect of statin therapy on coronary plaque composition as well as plaque volume using serial multimodality imaging. From an open-label, single-blinded study, patients with angiographically mild to moderate lesion were randomized to receive atorvastatin 60 (AT 60) mg or atorvastatin ...
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    13. Quantitative analysis of the side-branch orifice after bifurcation stenting using en-face processing of OCT images: a comparison between Xience V and Resolute Integrity stents

      Quantitative analysis of the side-branch orifice after bifurcation stenting using en-face processing of OCT images: a comparison between Xience V and Resolute Integrity stents
      Objective: Methods for intravascular assessment of the side-branch (SB) orifice after stenting are not readily available. The aim of this study was to assess the utility of an en-face projection processing for optical coherence tomography (OCT) images for SB evaluation. Methods: Measurements of the SB orifice obtained using en-face OCT images were validated using a phantom model. Linear regression modeling was applied to estimated area measurements made on the en-face ...
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  2. About Rocco Vergallo

    Rocco Vergallo

    Rocco Vergallo  is a research fellow in the Cardiovascular Research Center of Massachusetts General Hospital. He received his MD in 2011 from the Catholic University of Rome and came to Mass General in July 2012 to work with Dr. Jang on the Mass General OCT Registry. His main research interests are investigating the relationship between OCT plaque characteristics and novel circulating biomarkers, and clarifying the mechanisms of plaque vulnerability.