1. Articles mentioning both Kyung Hee University and Massachusetts General Hospital

    1-23 of 23
    1. Nonculprit Plaque Characteristics in Patients With Acute Coronary Syndrome Caused by Plaque Erosion vs Plaque Rupture A 3-Vessel Optical Coherence Tomography Study

      Nonculprit Plaque Characteristics in Patients With Acute Coronary Syndrome Caused by Plaque Erosion vs Plaque Rupture A 3-Vessel Optical Coherence Tomography Study
      ...vention optical coherence tomography imaging of all 3 major epicardial coronary arteries were enrolled at the Massachusetts General Hospital Optical Coherence Tomography Registry database. Analysis of the data was conduc...
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    2. SYNTAX Score, and Pre- and Post-Stent Optical Coherence Tomography Findings in the Left Anterior Descending Coronary Artery in Patients with Stable Angina Pectoris

      SYNTAX Score, and Pre- and Post-Stent Optical Coherence Tomography Findings in the Left Anterior Descending Coronary Artery in Patients with Stable Angina Pectoris
      SYNTAX score (SS) has been reported to be an independent predictor of future cardiac events including target lesion revascularization (TLR). The aim of this study was to assess the relationship between SS and plaque characteristics and post-stent vascular response using optical coherence tomography (OCT) in coronary artery tree and left anterior descending artery (LAD) in patients with stable angina. A total of 179 lesions among 165 patients, including 100 lesions ...
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    3. Coronary Plaque Characteristics Associated With Reduced TIMI (Thrombolysis in Myocardial Infarction) Flow Grade in Patients With ST-Segment–Elevation Myocardial Infarction A Combined Optical Coherence Tomography and Intravascular Ultrasound Study

      Coronary Plaque Characteristics Associated With Reduced TIMI (Thrombolysis in Myocardial Infarction) Flow Grade in Patients With ST-Segment–Elevation Myocardial Infarction A Combined Optical Coherence Tomography and Intravascular Ultrasound Study
      Background Previous studies reported that reduced TIMI (Thrombolysis in Myocardial Infarction) flow grade before procedure was associated with worse clinical outcomes in patients with ST-segmentelevation myocardial infarction undergoing primary percutaneous coronary intervention. The aim of this study was to identify specific morphological characteristics of the culprit plaque associated with poor TIMI flow grade at baseline in patients with ST-segmentelevation myocardial infarction using both optical coherence tomography and intravascular ultrasound. Methods ...
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    4. Coronary Plaque Characteristics Associated With Reduced TIMI (Thrombolysis in Myocardial Infarction) Flow Grade in Patients With ST-Segment–Elevation Myocardial Infarction A Combined Optical Coherence Tomography and Intravascular Ultrasound Study

      Coronary Plaque Characteristics Associated With Reduced TIMI (Thrombolysis in Myocardial Infarction) Flow Grade in Patients With ST-Segment–Elevation Myocardial Infarction A Combined Optical Coherence Tomography and Intravascular Ultrasound Study
      Background Previous studies reported that reduced TIMI (Thrombolysis in Myocardial Infarction) flow grade before procedure was associated with worse clinical outcomes in patients with ST-segmentelevation myocardial infarction undergoing primary percutaneous coronary intervention. The aim of this study was to identify specific morphological characteristics of the culprit plaque associated with poor TIMI flow grade at baseline in patients with ST-segmentelevation myocardial infarction using both optical coherence tomography and intravascular ultrasound. Methods ...
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    5. 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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    6. Coronary Calcification and Plaque Vulnerability An Optical Coherence Tomographic Study

      Coronary Calcification and Plaque Vulnerability An Optical Coherence Tomographic Study
      Background Spotty superficial calcium deposits have been implicated in plaque vulnerability based on previous intravascular imaging studies. Biomechanical models suggest that microcalcifications between 5 and 65 m in diameter can intensify fibrous cap stress, promoting plaque rupture. However, the 100- to 200-m resolution of intravascular ultrasound limits its ability to discriminate single calcium deposits from clusters of smaller deposits, and a previous optical coherence tomographic investigation evaluated calcifications within a ...
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    7. 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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    8. Incidence and Clinical Significance of Poststent Optical Coherence Tomography Findings: One-Year Follow-Up Study From a Multicenter Registry

      Incidence and Clinical Significance of Poststent Optical Coherence Tomography Findings: One-Year Follow-Up Study From a Multicenter Registry
      Background Optical coherence tomography (OCT) was recently introduced to optimize percutaneous coronary intervention. However, the exact incidence and significance of poststent OCT findings are unknown. Methods and Results A total of 900 lesions treated with 1001 stents in 786 patients who had postprocedure OCT imaging were analyzed to evaluate the incidence of poststent OCT findings and to identify the OCT predictors for device-oriented clinical end points, including cardiac death, target ...
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    9. Incidence and Clinical Significance of Post-Stent OCT Findings: One Year Follow-Up Study From a Multicenter Registry

      Incidence and Clinical Significance of Post-Stent OCT Findings: One Year Follow-Up Study From a Multicenter Registry
      Background Optical coherence tomography (OCT) was recently introduced to optimize percutaneous coronary intervention. However, the exact incidence and significance of post-stent OCT findings are unknown. Methods and Results A total of 900 lesions treated with 1001 stents in 786 patients who had post-procedure OCT imaging were analyzed to evaluate the incidence of post-stent OCT findings and to identify the OCT predictors for device-oriented clinical endpoints (DoCE), including cardiac death, target ...
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    10. A Combined Optical Coherence Tomography and Intravascular Ultrasound Study on Plaque Rupture, Plaque Erosion, and Calcified Nodule in Patients With ST-Segment Elevation Myocardial Infarction : Incidence, Morphologic Characteristics, and Outcomes After Per

      A Combined Optical Coherence Tomography and Intravascular Ultrasound Study on Plaque Rupture, Plaque Erosion, and Calcified Nodule in Patients With ST-Segment Elevation Myocardial Infarction : Incidence, Morphologic Characteristics, and Outcomes After Per
      Objectives This study sought to evaluate the incidence of plaque rupture (PR), plaque erosion (PE), and calcified nodule (CN) using optical coherence tomography (OCT) in patients with ST-segment elevation myocardial infarction (STEMI); to compare detailed morphologic plaque characteristics of PR, PE, and CN with optical coherence tomography and intravascular ultrasound; and to compare the post-procedure outcomes among PR, PE, and CN. Background The incidence and detailed morphologic characteristics of PR ...
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    11. Impacts of lesion angle on incidence and distribution of acute vessel wall injuries and strut malapposition after drug-eluting stent implantation assessed by optical coherence tomography

      Impacts of lesion angle on incidence and distribution of acute vessel wall injuries and strut malapposition after drug-eluting stent implantation assessed by optical coherence tomography
      Aims To investigate the impact of lesion angle on the incidence and distribution of acute vessel wall injuries and incomplete stent apposition (ISA) following second-generation drug-eluting stent (DES) implantation using optical coherence tomography (OCT). Several ex vivo studies demonstrated that angled arterial walls are exposed to imbalanced mechanical stress from deployed stents. Methods and results We included 243 lesions treated with a single DES (148 everolimus-eluting stent and 95 zotarolimus-eluting ...
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    12. Features of Coronary Plaque in Patients with Metabolic Syndrome and Diabetes Mellitus Assessed by 3-vessel Optical Coherence Tomography

      Features of Coronary Plaque in Patients with Metabolic Syndrome and Diabetes Mellitus Assessed by 3-vessel Optical Coherence Tomography
      ... University, Hong Kong, China 6. ^6Massachusetts General Hospital and Harvard Medical School, Boston, MA; Kyung Hee University, Seoul, Republic of Korea 7. ^7Massachusetts General Hospital and Harvard Medical Sch...
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    13. Comparison of near-infrared spectroscopy and optical coherence tomography for detection of lipid

      Comparison of near-infrared spectroscopy and optical coherence tomography for detection of lipid
      Objectives: To compare intra-coronary near-infrared spectroscopy (NIRS) and optical coherence tomography (OCT) for the detection of lipid, also to identify NIRS signals to differentiate superficial lipid, and to characterize the plaque with yellow block chemograms on NIRS. Background: Intra-coronary NIRS has been developed to detect lipid core plaque (LCP). Methods: We investigated a total of 17 patients who underwent both OCT and NIRS. NIRS analysis included plaque lipid core burden ...
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    14. Comparison of zotarolimus-eluting stent and everolimus-eluting stent for vascular healing response: serial 3-month and 12-month optical coherence tomography study

      Comparison of zotarolimus-eluting stent and everolimus-eluting stent for vascular healing response: serial 3-month and 12-month optical coherence tomography study
      Background: Everolimus-eluting stents (EES) have shown favorable clinical outcomes. However, there have been no studies evaluating early vascular response after EES implantation. We designed a prospective study to compare the neointimal response between zotarolimus-eluting stents (ZES) and EES at 3 and 12 months using serial optical coherence tomography examinations. Methods and results: Sixty patients who underwent 3-month and 12-month follow-up optical coherence tomography (36 EES, 24 ZES) were included. Neointimal ...
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    15. In vivo comparison of lumen dimensions measured by time domain-, and frequency domain-optical coherence tomography, and intravascular ultrasound

      In vivo comparison of lumen dimensions measured by time domain-, and frequency domain-optical coherence tomography, and intravascular ultrasound
      ...arvard Medical School, GRB 800, 55 Fruit Street, Boston, MA, USA Division of Cardiology, College of Medicine, Kyung Hee University, Seoul, Korea Biostatistics Center, Massachusetts General Hospital, Harvard Medical Schoo...
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    16. Comparison of Nonculprit Coronary Plaque Characteristics Between Patients With and Without Diabetes : A 3-Vessel Optical Coherence Tomography Study

      Comparison of Nonculprit Coronary Plaque Characteristics Between Patients With and Without Diabetes : A 3-Vessel Optical Coherence Tomography Study
      ...l Hospital, Harvard Medical School, Boston, Massachusetts * ^† Department of Cardiology, College of Medicine, Kyung Hee University, Seoul, Korea * ^‡ Biostatistics, Massachusetts General Hospital, Harvard Medical School...
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    17. Comparison of Incidence and Time Course of Neoatherosclerosis Between Bare Metal Stents and Drug-Eluting Stents Using Optical Coherence Tomography

      Comparison of Incidence and Time Course of Neoatherosclerosis Between Bare Metal Stents and Drug-Eluting Stents Using Optical Coherence Tomography
      ...rvard Medical School, Boston, Massachusetts , * Soo-Joong Kim, MD, PhD Affiliations + Division of Cardiology, Massachusetts General Hospital and Harvard Medical School, Boston, Massachusetts + Division of Cardiology, Kyu...
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    18. Nonculprit Plaques in Patients With Acute Coronary Syndromes Have More Vulnerable Features Compared With Those With Non–Acute Coronary Syndromes: A 3-Vessel Optical Coherence Tomography Study

      Nonculprit Plaques in Patients With Acute Coronary Syndromes Have More Vulnerable Features Compared With Those With Non–Acute Coronary Syndromes: A 3-Vessel Optical Coherence Tomography Study
      ...hods and Results—Patients who had 3-vessel OCT imaging were selected from the Massachusetts General Hospital (MGH) OCT Registry. MGH registry is a multicenter registry of patients undergoing OCT. The prevalence and ch...
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  2. Organizations in the News

    1. (21 articles) Harvard University
    2. (17 articles) Massachusetts General Hospital OCT Registry
    3. (13 articles) Harbin Medical University
    4. (11 articles) Nara Medical University
    5. (6 articles) Yonsei University
    6. (6 articles) Nippon Medical School
    7. (6 articles) University of Ulsan
    8. (3 articles) University of Hong Kong
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  3. People in the News

    1. (20 articles) Ik-Kyung Jang
    2. (19 articles) Hang Lee
    3. (12 articles) Soo-Joong Kim
    4. (10 articles) Shiro Uemura
    5. (9 articles) Bo Yu
    6. (9 articles) Taishi Yonetsu
    7. (9 articles) Tsunenari Soeda
    8. (9 articles) Rocco Vergallo
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    10. (6 articles) Yoshiyasu Minami
    11. (6 articles) Kyoichi Mizuno
    12. (5 articles) Shaosong Zhang
  4. OCT Companies in the News

    1. (6 articles) St. Jude Medical
    2. (1 articles) Terumo Corporation