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Ozaki Y, Tobe A, Onuma Y, Kobayashi Y, Amano T, Muramatsu T, Ishii H, Yamaji K, Kohsaka S, Ismail TF, Uemura S, Hikichi Y, Tsujita K, Ako J, Morino Y, Maekawa Y, Shinke T, Shite J, Igarashi Y, Nakagawa Y, Shiode N, Okamura A, Ogawa T, Shibata Y, Tsuji T, Hayashida K, Yajima J, Sugano T, Okura H, Okayama H, Kawaguchi K, Zen K, Takahashi S, Tamura T, Nakazato K, Yamaguchi J, Iida O, Ozaki R, Yoshimachi F, Ishihara M, Murohara T, Ueno T, Yokoi H, Nakamura M, Ikari Y, Serruys PW, Kozuma K. CVIT expert consensus document on primary percutaneous coronary intervention (PCI) for acute coronary syndromes (ACS) in 2024. Cardiovasc Interv Ther 2024; 39:335-375. [PMID: 39302533 PMCID: PMC11436458 DOI: 10.1007/s12928-024-01036-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/04/2024] [Accepted: 08/04/2024] [Indexed: 09/22/2024]
Abstract
Primary Percutaneous Coronary Intervention (PCI) has significantly contributed to reducing the mortality of patients with ST-segment elevation myocardial infarction (STEMI) even in cardiogenic shock and is now the standard of care in most of Japanese institutions. The Task Force on Primary PCI of the Japanese Association of Cardiovascular Intervention and Therapeutics (CVIT) proposed an expert consensus document for the management of acute myocardial infarction (AMI) focusing on procedural aspects of primary PCI in 2018 and updated in 2022. Recently, the European Society of Cardiology (ESC) published the guidelines for the management of acute coronary syndrome in 2023. Major new updates in the 2023 ESC guideline include: (1) intravascular imaging should be considered to guide PCI (Class IIa); (2) timing of complete revascularization; (3) antiplatelet therapy in patient with high-bleeding risk. Reflecting rapid advances in the field, the Task Force on Primary PCI of the CVIT group has now proposed an updated expert consensus document for the management of ACS focusing on procedural aspects of primary PCI in 2024 version.
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Affiliation(s)
- Yukio Ozaki
- Department of Cardiology, Fujita Health University Okazaki Medical Center, Fujita Health University School of Medicine, 1-98 Dengaku, Kutsukake, Toyoake, Aichi, 470-1192, Japan.
| | - Akihiro Tobe
- Department of Cardiology, University of Galway, Galway, Ireland
| | - Yoshinobu Onuma
- Department of Cardiology, University of Galway, Galway, Ireland
| | - Yoshio Kobayashi
- Department of Cardiovascular Medicine, Chiba University Graduate School of Medicine, Chiba, Japan
| | - Tetsuya Amano
- Department of Cardiology, Aichi Medical University, Nagakute, Japan
| | - Takashi Muramatsu
- Department of Cardiology, Fujita Health University Okazaki Medical Center, Fujita Health University School of Medicine, 1-98 Dengaku, Kutsukake, Toyoake, Aichi, 470-1192, Japan
| | - Hideki Ishii
- Department of Cardiovascular Medicine, Gunma University Graduate School of Medicine, Maebashi, Japan
| | - Kyohei Yamaji
- Department of Cardiovascular Medicine, Kyoto University Graduate School of Medicine, Kyoto, Japan
| | - Shun Kohsaka
- Department of Cardiology, Keio University School of Medicine, Tokyo, Japan
| | - Tevfik F Ismail
- King's College London, London, UK
- Guy's and St Thomas' Hospital NHS Foundation Trust, London, UK
| | - Shiro Uemura
- Cardiovascular Medicine, Kawasaki Medical School, Kurashiki, Japan
| | | | - Kenichi Tsujita
- Department of Cardiovascular Medicine, Graduate School of Medical Sciences, Kumamoto University, Kumamoto, Japan
| | - Junya Ako
- Department of Cardiology, Kitasato University Hospital, Sagamihara, Japan
| | - Yoshihiro Morino
- Department of Cardiology, Iwate Medical University Hospital, Shiwa, Japan
| | - Yuichiro Maekawa
- Division of Cardiology, Internal Medicine III, Hamamatsu University School of Medicine, Hamamatsu, Japan
| | - Toshiro Shinke
- Division of Cardiology, Department of Medicine, Showa University School of Medicine, Tokyo, Japan
| | - Junya Shite
- Cardiology Division, Osaka Saiseikai Nakatsu Hospital, Osaka, Japan
| | - Yasumi Igarashi
- Division of Cardiology, Sapporo-Kosei General Hospital, Sapporo, Japan
| | - Yoshihisa Nakagawa
- Division of Cardiovascular Medicine, Department of Internal Medicine, Shiga University of Medical Science, Otsu, Japan
| | - Nobuo Shiode
- Division of Cardiology, Hiroshima City Hiroshima Citizens Hospital, Hiroshima, Japan
| | - Atsunori Okamura
- Division of Cardiology, Sakurabashi Watanabe Advanced Healthcare Hospital, Osaka, Japan
| | - Takayuki Ogawa
- Division of Cardiology, The Jikei University School of Medicine, Tokyo, Japan
| | - Yoshisato Shibata
- Division of Cardiology, Miyazaki Medical Association Hospital, Miyazaki, Japan
| | | | - Kentaro Hayashida
- Department of Cardiology, Keio University School of Medicine, Tokyo, Japan
| | - Junji Yajima
- Department of Cardiovascular Medicine, The Cardiovascular Institute, Tokyo, Japan
| | - Teruyasu Sugano
- Division of Cardiology, Yokohama City University Medical Center, Yokohama, Japan
| | - Hiroyuki Okura
- Department of Cardiology, Gifu University Graduate School of Medicine, Gifu, Japan
| | - Hideki Okayama
- Division of Cardiology, Ehime Prefectural Central Hospital, Matsuyama, Japan
| | | | - Kan Zen
- Department of Cardiovascular Medicine, Kyoto Prefectural University of Medicine, Kyoto, Japan
| | - Saeko Takahashi
- Division of Cardiology, Tokushukai Shonan Oiso Hospital, Oiso, Japan
| | | | - Kazuhiko Nakazato
- Department of Cardiology, Fukushima Medical University Hospital, Fukushima, Japan
| | - Junichi Yamaguchi
- Department of Cardiology, Tokyo Women's Medical University Hospital, Tokyo, Japan
| | - Osamu Iida
- Cardiovascular Division, Osaka Police Hospital, Osaka, Japan
| | - Reina Ozaki
- Department of Cardiology, Nagoya University Graduate School of Medicine, Nagoya, Japan
| | - Fuminobu Yoshimachi
- Department of Cardiology, Tokai University Hachioji Hospital, Hachioji, Japan
| | - Masaharu Ishihara
- Department of Cardiovascular and Renal Medicine, Hyogo College of Medicine, Nishinomiya, Japan
| | - Toyoaki Murohara
- Department of Cardiology, Nagoya University Graduate School of Medicine, Nagoya, Japan
| | - Takafumi Ueno
- Division of Cardiology, Marin Hospital, Fukuoka, Japan
| | - Hiroyoshi Yokoi
- Cardiovascular Center, Fukuoka Sanno Hospital, Fukuoka, Japan
| | - Masato Nakamura
- Division of Cardiovascular Medicine, Ohashi Medical Center, Toho University School of Medicine, Tokyo, Japan
| | - Yuji Ikari
- Department of Cardiology, Tokai University School of Medicine, Isehara, Japan
| | | | - Ken Kozuma
- Department of Cardiology, Teikyo University Hospital, Tokyo, Japan
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Tufaro V, Jaffer FA, Serruys PW, Onuma Y, van der Steen AFW, Stone GW, Muller JE, Marcu L, Van Soest G, Courtney BK, Tearney GJ, Bourantas CV. Emerging Hybrid Intracoronary Imaging Technologies and Their Applications in Clinical Practice and Research. JACC Cardiovasc Interv 2024; 17:1963-1979. [PMID: 39260958 DOI: 10.1016/j.jcin.2024.07.007] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/13/2023] [Revised: 06/24/2024] [Accepted: 07/02/2024] [Indexed: 09/13/2024]
Abstract
Intravascular ultrasound and optical coherence tomography are used with increasing frequency for the care of coronary patients and in research studies. These imaging tools can identify culprit lesions in acute coronary syndromes, assess coronary stenosis severity, guide percutaneous coronary intervention (PCI), and detect vulnerable plaques and patients. However, they have significant limitations that have stimulated the development of multimodality intracoronary imaging catheters, which provide improvements in assessing vessel wall pathology and guiding PCI. Prototypes combining 2 or even 3 imaging probes with complementary attributes have been developed, and several multimodality systems have already been used in patients, with near-infrared spectroscopy intravascular ultrasound-based studies showing promising results for the identification of high-risk plaques. Moreover, postmortem histology studies have documented that hybrid imaging catheters can enable more accurate characterization of plaque morphology than standalone imaging. This review describes the evolution in the field of hybrid intracoronary imaging; presents the available multimodality catheters; and discusses their potential role in PCI guidance, vulnerable plaque detection, and the assessment of endovascular devices and emerging pharmacotherapies targeting atherosclerosis.
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Affiliation(s)
- Vincenzo Tufaro
- Department of Cardiology, Barts Heart Centre, Barts Health NHS Trust, London, United Kingdom; Centre for Cardiovascular Medicine and Devices, William Harvey Research Institute, Queen Mary University of London, London, United Kingdom; Department of Biomedical Sciences, Humanitas University, Pieve Emanuele-Milan, Italy
| | - Farouc A Jaffer
- Division of Cardiology, Massachusetts General Hospital, Harvard Medical School, Boston, Massachusetts, USA
| | | | - Yoshinobu Onuma
- Department of Cardiology, University of Galway, Galway, Ireland
| | | | - Gregg W Stone
- Department of Cardiology, The Zena and Michael A. Wiener Cardiovascular Institute, Mount Sinai, New York, New York, USA
| | - James E Muller
- Brigham and Women's Hospital, Division of Cardiovascular Medicine, Harvard Medical School, Boston, Massachusetts, USA
| | - Laura Marcu
- Department of Biomedical Engineering, University of California, Davis, California, USA
| | - Gijs Van Soest
- Department of Cardiology, Erasmus University Medical Center, Rotterdam, the Netherlands
| | - Brian K Courtney
- Sunnybrook Research Institute, University of Toronto, Toronto, Ontario, Canada; Conavi Medical Inc, Toronto, Ontario, Canada
| | - Guillermo J Tearney
- Wellman Center for Photomedicine, Massachusetts General Hospital, Boston, Massachusetts, USA; Harvard-MIT Health Sciences and Technology, Cambridge, Massachusetts, USA
| | - Christos V Bourantas
- Department of Cardiology, Barts Heart Centre, Barts Health NHS Trust, London, United Kingdom; Centre for Cardiovascular Medicine and Devices, William Harvey Research Institute, Queen Mary University of London, London, United Kingdom; Institute of Cardiovascular Sciences, University College London, London, United Kingdom.
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3
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Kim H, Ahn JM, Kang DY, Lee J, Choi Y, Park SJ, Park DW. Management of Coronary Vulnerable Plaque With Medical Therapy or Local Preventive Percutaneous Coronary Intervention. JACC. ASIA 2024; 4:425-443. [PMID: 39100699 PMCID: PMC11291350 DOI: 10.1016/j.jacasi.2024.04.001] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 02/02/2024] [Revised: 03/20/2024] [Accepted: 04/04/2024] [Indexed: 08/06/2024]
Abstract
Acute coronary syndromes (ACS) often result from the rupture or erosion of high-risk coronary atherosclerotic plaques (ie, vulnerable plaques). Advances in intracoronary imaging such as intravascular ultrasound, optical coherence tomography, or near-infrared spectroscopy have improved the identification of vulnerable plaques, characterized by large plaque burden, small minimal luminal area, thin fibrous cap, and large lipid content. Although pharmacology, including lipid-lowering agents, and intensive risk-factor control are pivotal for management of vulnerable plaques and secondary prevention, recurrent events tend to accrue despite intensive pharmacotherapy. Therefore, it has been hypothesized that local preventive percutaneous coronary intervention may passivate these vulnerable plaques, preventing the occurrence of plaque-related ACS. However, solid evidence is lacking on its use for treatment of non-flow-limiting vulnerable plaques. As such, the optimal management of vulnerable plaques has not been established. Herein, we have reviewed the diagnosis and management of vulnerable plaques, focusing on systematic pharmacology and focal treatments.
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Affiliation(s)
- Hoyun Kim
- Department of Cardiology, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Korea
| | - Jung-Min Ahn
- Department of Cardiology, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Korea
| | - Do-Yoon Kang
- Department of Cardiology, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Korea
| | - Jinho Lee
- Department of Cardiology, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Korea
| | - Yeonwoo Choi
- Department of Cardiology, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Korea
| | - Seung-Jung Park
- Department of Cardiology, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Korea
| | - Duk-Woo Park
- Department of Cardiology, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Korea
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Spagnolo M, Occhipinti G, Laudani C, Greco A, Capodanno D. Periprocedural myocardial infarction and injury. EUROPEAN HEART JOURNAL. ACUTE CARDIOVASCULAR CARE 2024; 13:433-445. [PMID: 38323856 DOI: 10.1093/ehjacc/zuae014] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/05/2023] [Revised: 02/05/2024] [Accepted: 02/05/2024] [Indexed: 02/08/2024]
Abstract
Periprocedural myocardial infarction (PMI) and injury, pertinent to both cardiac and non-cardiac procedures, have gained increasing recognition in clinical practice. Over time, diverse definitions for diagnosing PMI have been developed and validated among patient populations undergoing coronary revascularization. However, this variety in definitions presents considerable challenges in clinical settings and complicates both the design and interpretation of clinical trials. The necessity to accurately diagnose PMI has spurred significant interest in establishing universally accepted and prognostically meaningful thresholds for cardiac biomarkers elevation and supportive ancillary criteria. In fact, elevations in cardiac biomarkers in line with the 4th Universal Definition of Myocardial Infarction, have been extensively confirmed to be associated with increased mortality and cardiovascular events. In the context of non-coronary cardiac procedures, such as Transcatheter Aortic Valve Implantation, there is a growing acknowledgment of both the high incidence rates and the adverse impact of PMI on patient outcomes. Similarly, emerging research underscores the significance of PMI and injury in non-cardiac surgery, highlighting the urgent need for effective prevention and risk management strategies in this domain.
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Affiliation(s)
- Marco Spagnolo
- Division of Cardiology, A.O.U. Policlinico 'G. Rodolico-San Marco', University of Catania, Via Santa Sofia 78, Catania - 95123, Italy
| | - Giovanni Occhipinti
- Division of Cardiology, A.O.U. Policlinico 'G. Rodolico-San Marco', University of Catania, Via Santa Sofia 78, Catania - 95123, Italy
| | - Claudio Laudani
- Division of Cardiology, A.O.U. Policlinico 'G. Rodolico-San Marco', University of Catania, Via Santa Sofia 78, Catania - 95123, Italy
| | - Antonio Greco
- Division of Cardiology, A.O.U. Policlinico 'G. Rodolico-San Marco', University of Catania, Via Santa Sofia 78, Catania - 95123, Italy
| | - Davide Capodanno
- Division of Cardiology, A.O.U. Policlinico 'G. Rodolico-San Marco', University of Catania, Via Santa Sofia 78, Catania - 95123, Italy
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5
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Ueda Y. Slow-Flow Phenomenon Caused by Distal Embolization Should Be Predicted and Prevented to Maximize the Efficacy of Coronary Intervention. Circ J 2024; 88:980-981. [PMID: 37866909 DOI: 10.1253/circj.cj-23-0702] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 10/24/2023]
Affiliation(s)
- Yasunori Ueda
- Cardiovascular Division, National Hospital Organization Osaka National Hospital
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6
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Ozaki Y, Kitabata H, Takahata M, Katayama Y, Wada T, Hikida R, Taruya A, Shiono Y, Kuroi A, Yamano T, Tanimoto T, Tanaka A. Intracoronary Near-Infrared Spectroscopy to Predict No-Reflow Phenomenon During Percutaneous Coronary Intervention in Acute Coronary Syndrome. Am J Cardiol 2024; 219:17-24. [PMID: 38490338 DOI: 10.1016/j.amjcard.2024.03.009] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/18/2023] [Revised: 02/05/2024] [Accepted: 03/03/2024] [Indexed: 03/17/2024]
Abstract
Near-infrared spectroscopy-intravascular ultrasound (NIRS-IVUS) can identify the lipid-rich lesions, described as high lipid-core burden index (LCBI). The aim of this study was to investigate the relation between lipid-core plaque (LCP) in the infarct-related lesion detected using NIRS-IVUS and no-reflow phenomenon during percutaneous coronary intervention (PCI) in patients with acute coronary syndrome (ACS). We investigated 371 patients with ACS who underwent NIRS-IVUS in the infarct-related lesions before PCI. The extent of LCP in the infarct-related lesion was calculated as the maximum LCBI for each of the 4-mm longitudinal segments (maxLCBI4mm) measured by NIRS-IVUS. The patients were divided into 2 groups using a maxLCBI4mm cut-off value of 400. The overall incidence of no-reflow phenomenon was 53 of 371 (14.3%). No-reflow phenomenon more frequently occurred in patients with maxLCBI4mm ≥400 compared with those with maxLCBI4mm<400 (17.5% vs 2.5%, p <0.001). After propensity score matching, multivariable logistic regression analysis demonstrated that maxLCBI4mm (odds ratio: 1.008; 95% confidence interval: 1.005 to 1.012, p <0.001) was independently associated with the no-reflow phenomenon. The maxLCBI4mm of 719 in the infarct-related lesion had the highest combined sensitivity (69.8%) and specificity (72.1%) for the identification of no-reflow phenomenon. In conclusion, in patients with ACS, maxLCBI4mm in the infarct-related lesion assessed by NIRS-IVUS was independently associated with the no-reflow phenomenon during PCI.
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Affiliation(s)
- Yuichi Ozaki
- Department of Cardiovascular Medicine, Wakayama Medical University, Wakayama, Japan.
| | - Hironori Kitabata
- Department of Cardiovascular Medicine, Wakayama Medical University, Wakayama, Japan
| | - Masahiro Takahata
- Department of Cardiovascular Medicine, Wakayama Medical University, Wakayama, Japan
| | - Yosuke Katayama
- Department of Cardiovascular Medicine, Wakayama Medical University, Wakayama, Japan; Faculty of Medicine and Health, The University of Sydney, Sydney, New South Wales, Australia
| | - Teruaki Wada
- Department of Cardiovascular Medicine, Wakayama Medical University, Wakayama, Japan
| | - Ryo Hikida
- Department of Cardiovascular Medicine, Wakayama Medical University, Wakayama, Japan
| | - Akira Taruya
- Department of Cardiovascular Medicine, Wakayama Medical University, Wakayama, Japan
| | - Yasutsugu Shiono
- Department of Cardiovascular Medicine, Wakayama Medical University, Wakayama, Japan
| | - Akio Kuroi
- Department of Cardiovascular Medicine, Wakayama Medical University, Wakayama, Japan
| | - Takashi Yamano
- Department of Cardiovascular Medicine, Wakayama Medical University, Wakayama, Japan
| | - Takashi Tanimoto
- Department of Cardiovascular Medicine, Wakayama Medical University, Wakayama, Japan
| | - Atsushi Tanaka
- Department of Cardiovascular Medicine, Wakayama Medical University, Wakayama, Japan
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Irie D, Matsumoto H, Isodono K, Higuchi S, Tanisawa H, Ohya H, Kitamura R, Shinke T. Complementary Roles of Near-Infrared Spectroscopy and Intravascular Ultrasound in the Prediction of Periprocedural Myocardial Injury. Can J Cardiol 2023; 39:1502-1509. [PMID: 37321347 DOI: 10.1016/j.cjca.2023.06.005] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/04/2023] [Revised: 05/26/2023] [Accepted: 06/03/2023] [Indexed: 06/17/2023] Open
Abstract
BACKGROUND Lipid-rich plaque detected by near-infrared spectroscopy (NIRS) and attenuated plaque detected by intravascular ultrasound (IVUS) predict periprocedural myocardial injury (MI) following percutaneous coronary intervention (PCI). Although echolucent plaque detected by IVUS was reported to be associated with a no-reflow phenomenon in acute myocardial infarction, it remains unclear whether echolucent plaque is predictive of periprocedural MI following elective PCI. We aimed to elucidate whether echolucent plaque is independently associated with periprocedural MI after elective PCI and whether the predictive ability for periprocedural MI is improved by the combination of NIRS and IVUS. METHODS This retrospective study included 121 lesions of 121 patients who underwent elective NIRS-IVUS-guided stent implantation. Periprocedural MI was defined as post-PCI cardiac troponin T > 70 ng/L. A maximum 4-mm lipid core burden index > 457 was regarded as lipid-rich plaque. Echolucent plaque was defined as the presence on IVUS of an echolucent zone and attenuated plaque as an attenuation arc > 90°. RESULTS Periprocedural MI occurred in 39 lesions. In multivariable analysis, echolucent plaque, attenuated plaque, and lipid-rich plaque were independent predictors of periprocedural MI. Adding echolucent plaque and attenuated plaque to lipid-rich plaque improved the predictive performance (C statistic 0.825 vs 0.688; P = 0.001). Periprocedural MI increased with the number of predictors: 3% [1/39], 29% [10/34], 47% [14/30], and 78% [14/18] for 0, 1, 2, and 3 predictors, respectively (P < 0.001). CONCLUSIONS Echolucent plaque is a major predictor of periprocedural MI, independently from lipid-rich plaque and attenuated plaque. Compared with NIRS alone, the combination of NIRS with IVUS signatures improves the predictive ability.
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Affiliation(s)
- Daisuke Irie
- Department of Cardiology, Ijinkai Takeda General Hospital, Kyoto, Japan
| | - Hidenari Matsumoto
- Division of Cardiology, Showa University School of Medicine, Tokyo, Japan.
| | - Koji Isodono
- Department of Cardiology, Ijinkai Takeda General Hospital, Kyoto, Japan
| | - Satoshi Higuchi
- Division of Cardiology, Showa University School of Medicine, Tokyo, Japan
| | - Hiroki Tanisawa
- Division of Cardiology, Showa University School of Medicine, Tokyo, Japan
| | - Hidefumi Ohya
- Department of Cardiology, Ijinkai Takeda General Hospital, Kyoto, Japan
| | - Ryoji Kitamura
- Department of Cardiology, Ijinkai Takeda General Hospital, Kyoto, Japan
| | - Toshiro Shinke
- Division of Cardiology, Showa University School of Medicine, Tokyo, Japan
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Mintz GS. Periprocedural Myocardial Injury: We Can Predict It, But Can We Prevent It? Can J Cardiol 2023; 39:1510-1512. [PMID: 37419249 DOI: 10.1016/j.cjca.2023.07.004] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/26/2023] [Revised: 06/27/2023] [Accepted: 07/02/2023] [Indexed: 07/09/2023] Open
Affiliation(s)
- Gary S Mintz
- Cardiovascular Research Foundation, New York, New York, USA.
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9
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Pan Y, Xu M, Mei Y, Wang Y, Zhang Q. Activities of daily living predict periprocedural myocardial infarction and injury following percutaneous coronary intervention: a cross-sectional study. BMC Cardiovasc Disord 2023; 23:427. [PMID: 37644419 PMCID: PMC10466711 DOI: 10.1186/s12872-023-03468-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/07/2023] [Accepted: 08/22/2023] [Indexed: 08/31/2023] Open
Abstract
BACKGROUND In recent years, there has been growing interest in exploring the relationship between activities of daily living (ADL) and cardiovascular diseases. This retrospective cross-sectional study aimed to investigate the association of ADL measured by Barthel index (BI) with periprocedural myocardial infarction (PMI) and injury following percutaneous coronary intervention (PCI). METHODS Enrolled patients were stratified into impaired and unimpaired ADL groups according to their BI scores. Logistic regressions were conducted to explore the association of ADL on admission with periprocedural myocardial injury and infarction. Restricted cubic spline (RCS) curve and subgroup analysis were also performed. RESULTS Totally, 16.4% of patients suffered from PMI; the mean age was 65.8 ± 10.4 years old. RCS analysis showed that the morbidity of periprocedural myocardial infarction and injury showed a downward tendency with increasing BI scores. Multivariable logistic regression analysis demonstrated that impaired ADL was an independent risk factor for periprocedural myocardial infarction (OR = 1.190, 95% CI [1.041, 1.360], P = 0.011) and injury (OR = 1.131, 95% CI [1.017, 1.257], P = 0.023). Subgroup analysis showed that the association between ADL and PMI was founded in several subgroups, while the association between ADL and periprocedural myocardial injury was founded only in BMI ≥ 24 kg/m2 subgroup. CONCLUSION Impaired ADL at hospital admission was an independent risk factor for periprocedural myocardial infarction and injury among patients following PCI.
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Affiliation(s)
- Yifan Pan
- Department of Cardiology, Yongkang People's Hospital, Yongkang, Zhejiang, 321300, China
| | - Min Xu
- Department of Cardiology, Yongkang People's Hospital, Yongkang, Zhejiang, 321300, China
| | - Yaosheng Mei
- Department of Cardiology, Yongkang People's Hospital, Yongkang, Zhejiang, 321300, China
| | - Yunxiang Wang
- Department of Cardiology, Yongkang People's Hospital, Yongkang, Zhejiang, 321300, China
| | - Qiongli Zhang
- Department of Cardiology, Yongkang Hospital, Yongkang, Zhejiang, 321300, China.
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Nakagawa I, Yokoyama S, Kotsugi M. Human Basilar Arterial Plaque Detected by Near-Infrared Spectroscopy: Clinical Image. World Neurosurg 2023; 176:204-205. [PMID: 37224959 DOI: 10.1016/j.wneu.2023.05.051] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/14/2023] [Revised: 05/13/2023] [Accepted: 05/15/2023] [Indexed: 05/26/2023]
Abstract
A patient in their 70s presented with weakness of the left limb and aphasia. Left vertebral angiography showed acute basilar artery occlusion. After mechanical thrombectomy, basilar artery trunk stenosis was evident and catheter-based near-infrared spectroscopy (NIRS) showed lipid-rich atherosclerotic plaque extending to almost 220° of the vessel circumference in the culprit lesion. Loading doses of dual antiplatelet therapy and aggressive medical treatment were started because additional intervention might have increased risk of plaque protrusion and thrombotic reocclusion. The patient presented with minor stroke caused by restenosis of the basilar artery 4 months later; balloon angioplasty and stenting were performed without thromboembolic complications. The patient was discharged without any new neurologic deficits. NIRS visualizes the distribution of lipids in the culprit lesion and the plaque burden of residual stenosis, identifies mechanisms of in situ thrombosis, and provides suggestions for the timing of additional interventions.
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Affiliation(s)
- Ichiro Nakagawa
- Department of Neurosurgery, Nara Medical University, Nara, Japan.
| | - Shohei Yokoyama
- Department of Neurosurgery, Nara Medical University, Nara, Japan
| | - Masashi Kotsugi
- Department of Neurosurgery, Nara Medical University, Nara, Japan
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Ueki Y, Kuwahara K. Periprocedural myocardial infarction in patients undergoing percutaneous coronary intervention. J Cardiol 2023; 81:364-372. [PMID: 36375704 DOI: 10.1016/j.jjcc.2022.11.005] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/27/2022] [Accepted: 10/27/2022] [Indexed: 11/13/2022]
Abstract
Percutaneous coronary intervention (PCI) in addition to guideline-directed medical therapy reduces the risk of spontaneous myocardial infarction (MI), urgent revascularization, and improves angina status; however, PCI is associated with an increased risk of periprocedural myocardial injury and MI. Numerous studies have investigated the mechanisms, predictors, and therapeutic strategies for periprocedural MI. Various definitions of periprocedural MI have been proposed by academic groups and professional societies requiring different cardiac biomarker thresholds and ancillary criteria for myocardial ischemia. The frequency and clinical significance of periprocedural MI substantially varies according to the definitions applied. In daily practice, accurate diagnosis of clinically-relevant periprocedural MI is essential because it may have a substantial impact on subsequent patient management. In the clinical trial setting, only clinically relevant periprocedural MI definitions should be applied as a clinical endpoint in order to avoid obscuring meaningful outcomes. In this review, we aim to summarize the mechanisms, predictors, frequency, and prognostic impact of periprocedural MI in patients undergoing PCI and to provide the current perspective on this issue.
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Affiliation(s)
- Yasushi Ueki
- Department of Cardiovascular Medicine, Shinshu University Hospital, Nagano, Japan.
| | - Koichiro Kuwahara
- Department of Cardiovascular Medicine, Shinshu University Hospital, Nagano, Japan
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Parikh MJ, Madder RD. Near-Infrared Spectroscopy-Guided Percutaneous Coronary Intervention: Practical Applications and Available Evidence. Interv Cardiol Clin 2023; 12:257-268. [PMID: 36922066 DOI: 10.1016/j.iccl.2022.10.007] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/14/2023]
Abstract
Intracoronary near-infrared spectroscopy (NIRS) has been extensively validated against the gold standard of histopathology to identify lipid-rich plaque. NIRS is currently in clinical use as a combined multimodality imaging catheter with intravascular ultrasonography. When used before PCI, NIRS has clinical utility in determining the mechanism underlying acute coronary syndromes and can be used to guide stent length selection and identify the risk of periprocedural myocardial infarction. When used after PCI, NIRS can identify vulnerable patients at increased risk of future patient-level cardiovascular events and can detect vulnerable plaques at increased risk of future site-specific coronary events.
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Affiliation(s)
- Malav J Parikh
- Frederik Meijer Heart & Vascular Institute, Spectrum Health, Grand Rapids, 100 Michigan Street Northeast, Grand Rapids, MI 49503, USA
| | - Ryan D Madder
- Frederik Meijer Heart & Vascular Institute, Spectrum Health, Grand Rapids, 100 Michigan Street Northeast, Grand Rapids, MI 49503, USA.
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13
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Gurgoglione FL, Denegri A, Russo M, Calvieri C, Benatti G, Niccoli G. Intracoronary Imaging of Coronary Atherosclerotic Plaque: From Assessment of Pathophysiological Mechanisms to Therapeutic Implication. Int J Mol Sci 2023; 24:5155. [PMID: 36982230 PMCID: PMC10049285 DOI: 10.3390/ijms24065155] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/05/2023] [Revised: 03/04/2023] [Accepted: 03/06/2023] [Indexed: 03/10/2023] Open
Abstract
Atherosclerotic cardiovascular disease is the leading cause of morbidity and mortality worldwide. Several cardiovascular risk factors are implicated in atherosclerotic plaque promotion and progression and are responsible for the clinical manifestations of coronary artery disease (CAD), ranging from chronic to acute coronary syndromes and sudden coronary death. The advent of intravascular imaging (IVI), including intravascular ultrasound, optical coherence tomography and near-infrared diffuse reflectance spectroscopy has significantly improved the comprehension of CAD pathophysiology and has strengthened the prognostic relevance of coronary plaque morphology assessment. Indeed, several atherosclerotic plaque phenotype and mechanisms of plaque destabilization have been recognized with different natural history and prognosis. Finally, IVI demonstrated benefits of secondary prevention therapies, such as lipid-lowering and anti-inflammatory agents. The purpose of this review is to shed light on the principles and properties of available IVI modalities along with their prognostic significance.
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Affiliation(s)
| | - Andrea Denegri
- Cardiology Department, Azienda Ospedaliero-Universitaria of Parma, 43126 Parma, Italy
| | - Michele Russo
- Department of Cardiology, S. Maria dei Battuti Hospital, AULSS 2 Veneto, 31015 Conegliano, Italy
| | - Camilla Calvieri
- Department of Clinical Internal, Anesthesiological and Cardiovascular Sciences, La Sapienza University, 00185 Rome, Italy
| | - Giorgio Benatti
- Cardiology Department, Azienda Ospedaliero-Universitaria of Parma, 43126 Parma, Italy
| | - Giampaolo Niccoli
- Cardiology Department, University of Parma, 43126 Parma, Italy
- Cardiology Department, Azienda Ospedaliero-Universitaria of Parma, 43126 Parma, Italy
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14
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Sato T, Saito Y, Kitahara H, Kobayashi Y. Relation of GRACE Risk Score to Coronary Lipid Core Plaques in Patients with Acute Coronary Syndrome. Life (Basel) 2023; 13:life13030630. [PMID: 36983786 PMCID: PMC10054497 DOI: 10.3390/life13030630] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/28/2023] [Revised: 02/12/2023] [Accepted: 02/22/2023] [Indexed: 02/26/2023] Open
Abstract
The GRACE risk score is established to predict thrombotic events in patients with acute coronary syndrome (ACS). Although thrombotic events including myocardial infarction after ACS are mainly attributable to vulnerable plaque formation, whether the GRACE score correlates with coronary lipid-rich plaque is unclear. A total of 54 patients with ACS undergoing primary percutaneous coronary intervention under near-infrared spectroscopy intravascular ultrasound (NIRS-IVUS) guidance were included in a prospective manner. Patients were divided into two groups according to the median of the GRACE risk score. Coronary lipid plaques in the target vessel were assessed by NIRS-IVUS with lipid core burden index (LCBI) and a maximum LCBI in 4 mm (maxLCBI4mm). The receiver operating characteristics (ROC) curve analysis was performed based on the major adverse cardiovascular events as an exploratory analysis. The GRACE risk score was significantly and positively correlated with LCBI (r = 0.31, p = 0.03) and maxLCBI4mm (r = 0.38, p = 0.006). LCBI (111.7 ± 85.7 vs. 169.0 ± 83.5, p = 0.02) and maxLCBI4mm (428.5 ± 227.1 vs. 600.6 ± 227.7, p = 0.009) in the target vessel were significantly higher in the high GRACE risk score group than their counterpart. In the ROC curve analysis, LCBI and maxLCBI4mm were predictive for clinical events. In conclusion, the higher GRACE risk score may serve as a discriminator of risk comprising more lipid-rich plaques as an underlying mechanism of an increased risk of thrombotic events after ACS. In patients with ACS, the higher GRACE risk score was significantly and modestly associated with greater coronary lipid plaques in the target vessel.
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Zhao X, Han J, Zhou L, Zhao J, Huang M, Wang Y, Kou J, Kou Y, Jin J. High mobility group box 1 derived mainly from platelet microparticles exacerbates microvascular obstruction in no reflow. Thromb Res 2023; 222:49-62. [PMID: 36566704 DOI: 10.1016/j.thromres.2022.12.003] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/27/2022] [Revised: 12/07/2022] [Accepted: 12/12/2022] [Indexed: 12/23/2022]
Abstract
INTRODUCTION No reflow manifests coronary microvascular injury caused by continuous severe myocardial ischemia and reperfusion. Microvascular obstruction (MVO) has emerged as one fundamental mechanism of no reflow. However, the underlying pathophysiology remains incompletely defined. Herein, we explore the contribution of high mobility group box 1 (HMGB1), derived mainly from platelet microparticles exacerbating MVO in no reflow. MATERIALS AND METHODS 44 STEMI patients undergoing successful primary percutaneous coronary intervention (PCI) were included in our study. Plasma HMGB1 levels in both the peripheral artery (PA) and infarct-related coronary artery (IRA) were measured by ELISA. Flow cytometry and confocal microscopy assessed the level of HMGB1+ platelet derived microparticles (PMPs) and platelet activation. Flow cytometry and western blot evaluated the procoagulant activity (PCA) and the release of inflammatory factors of human microvascular endothelial cells (HCEMCs). RESULTS HMGB1 levels were significantly higher in the IRA in no-reflow patients. The levels of HMGB1+ PMPs were considerably higher in the IRA of patients with no reflow and were strongly associated with platelet activation. Moreover, our results show that HMGB1 interacts with human microvascular endothelial cells primarily through TLR4, inducing HCMEC proinflammatory, procoagulant phenotype, and monocyte recruitment, accelerating microvascular obstruction and facilitating the development of no reflow. CONCLUSION Our results illustrate a novel mechanism by which HMGB1, derived mainly from PMPs, plays a crucial role in the pathogenesis of no-reflow, revealing a novel therapeutic target.
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Affiliation(s)
- Xinyi Zhao
- Department of Cardiology, The Second Affiliated Hospital of Harbin Medical University, Harbin, China; The Key Laboratory of Myocardial Ischemia, Ministry of Education, Heilongjiang Province, Harbin, China
| | - Jianbin Han
- Department of Cardiology, The Second Affiliated Hospital of Harbin Medical University, Harbin, China; The Key Laboratory of Myocardial Ischemia, Ministry of Education, Heilongjiang Province, Harbin, China
| | - Lijin Zhou
- Department of Cardiology, The Second Affiliated Hospital of Harbin Medical University, Harbin, China
| | - Jinjin Zhao
- Department of Cardiology, The Second Affiliated Hospital of Harbin Medical University, Harbin, China; The Key Laboratory of Myocardial Ischemia, Ministry of Education, Heilongjiang Province, Harbin, China
| | - Meijiao Huang
- Department of Cardiology, The Second Affiliated Hospital of Harbin Medical University, Harbin, China; The Key Laboratory of Myocardial Ischemia, Ministry of Education, Heilongjiang Province, Harbin, China
| | - Yueqing Wang
- Department of Cardiology, The Second Affiliated Hospital of Harbin Medical University, Harbin, China; The Key Laboratory of Myocardial Ischemia, Ministry of Education, Heilongjiang Province, Harbin, China
| | - Junjie Kou
- Department of Cardiology, The Second Affiliated Hospital of Harbin Medical University, Harbin, China; The Key Laboratory of Myocardial Ischemia, Ministry of Education, Heilongjiang Province, Harbin, China.
| | - Yan Kou
- Department of Cardiology, The Second Affiliated Hospital of Harbin Medical University, Harbin, China; The Key Laboratory of Myocardial Ischemia, Ministry of Education, Heilongjiang Province, Harbin, China.
| | - Jiaqi Jin
- The Key Laboratory of Myocardial Ischemia, Ministry of Education, Heilongjiang Province, Harbin, China; Department of Neurosurgery, The Second Affiliated Hospital of Harbin Medical University, Harbin, China.
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Fukase T, Dohi T, Fujimoto S, Nishio R, Nozaki YO, Kudo A, Takeuchi M, Takahashi N, Chikata Y, Endo H, Kawaguchi YO, Doi S, Nishiyama H, Hiki M, Okai I, Iwata H, Yokoyama T, Okazaki S, Miyauchi K, Daida H, Li D, Xie Y, Minamino T. Relationship between coronary high-intensity plaques on T1-weighted imaging by cardiovascular magnetic resonance and vulnerable plaque features by near-infrared spectroscopy and intravascular ultrasound: a prospective cohort study. J Cardiovasc Magn Reson 2023; 25:4. [PMID: 36710360 PMCID: PMC9885661 DOI: 10.1186/s12968-023-00916-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/10/2022] [Accepted: 01/05/2023] [Indexed: 01/31/2023] Open
Abstract
BACKGROUND This study aimed to compare the coronary plaque characterization by cardiovascular magnetic resonance (CMR) and near-infrared spectroscopy (NIRS)-intravascular ultrasound (IVUS) (NIRS-IVUS), and to determine whether pre-percutaneous coronary intervention (PCI) evaluation using CMR identifies high-intensity plaques (HIPs) at risk of peri-procedural myocardial infarction (pMI). Although there is little evidence in comparison with NIRS-IVUS findings, which have recently been shown to identify vulnerable plaques, we inferred that CMR-derived HIPs would be associated with vulnerable plaque features identified on NIRS-IVUS. METHODS 52 patients with stable coronary artery disease who underwent CMR with non-contrast T1-weighted imaging and PCI using NIRS-IVUS were studied. HIP was defined as a signal intensity of the coronary plaque-to-myocardial signal intensity ratio (PMR) ≥ 1.4, which was measured from the data of CMR images. We evaluated whether HIPs were associated with the NIRS-derived maximum 4-mm lipid-core burden index (maxLCBI4mm) and plaque morphology on IVUS, and assessed the incidence and predictor of pMI defined by the current Universal Definition using high-sensitive cardiac troponin-T. RESULTS Of 62 lesions, HIPs were observed in 30 lesions (48%). The HIP group had a significantly higher remodeling index, plaque burden, and proportion of echo-lucent plaque and maxLCBI4mm ≥ 400 (known as large lipid-rich plaque [LRP]) than the non-HIP group. The correlation between the maxLCBI4mm and PMR was significantly positive (r = 0.51). In multivariable logistic regression analysis for prediction of HIP, NIRS-derived large LRP (odds ratio [OR] = 5.41; 95% confidence intervals [CIs] 1.65-17.8, p = 0.005) and IVUS-derived echo-lucent plaque (OR = 5.12; 95% CIs 1.11-23.6, p = 0.036) were strong independent predictors. Furthermore, pMI occurred in 14 of 30 lesions (47%) with HIP, compared to only 5 of 32 lesions (16%) without HIP (p = 0.005). In multivariable logistic regression analysis for prediction of incidence of pMI, CMR-derived HIP (OR = 5.68; 95% CIs 1.53-21.1, p = 0.009) was a strong independent predictor, but not NIRS-derived large LRP and IVUS-derived echo-lucent plaque. CONCLUSIONS There is an important relationship between CMR-derived HIP and NIRS-derived large LRP. We also confirmed that non-contrast T1-weighted CMR imaging is useful for characterization of vulnerable plaque features as well as for pre-PCI risk stratification. Trial registration The ethics committee of Juntendo Clinical Research and Trial Center approved this study on January 26, 2021 (Reference Number 20-313).
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Affiliation(s)
- Tatsuya Fukase
- Department of Cardiovascular Biology and Medicine, Juntendo University Graduate School of Medicine, 2-1-1 Hongo, Bunkyo-Ku, Tokyo, 113-8421, Japan
| | - Tomotaka Dohi
- Department of Cardiovascular Biology and Medicine, Juntendo University Graduate School of Medicine, 2-1-1 Hongo, Bunkyo-Ku, Tokyo, 113-8421, Japan.
| | - Shinichiro Fujimoto
- Department of Cardiovascular Biology and Medicine, Juntendo University Graduate School of Medicine, 2-1-1 Hongo, Bunkyo-Ku, Tokyo, 113-8421, Japan
| | - Ryota Nishio
- Department of Cardiovascular Biology and Medicine, Juntendo University Graduate School of Medicine, 2-1-1 Hongo, Bunkyo-Ku, Tokyo, 113-8421, Japan
| | - Yui O Nozaki
- Department of Cardiovascular Biology and Medicine, Juntendo University Graduate School of Medicine, 2-1-1 Hongo, Bunkyo-Ku, Tokyo, 113-8421, Japan
| | - Ayako Kudo
- Department of Cardiovascular Biology and Medicine, Juntendo University Graduate School of Medicine, 2-1-1 Hongo, Bunkyo-Ku, Tokyo, 113-8421, Japan
| | - Mitsuhiro Takeuchi
- Department of Cardiovascular Biology and Medicine, Juntendo University Graduate School of Medicine, 2-1-1 Hongo, Bunkyo-Ku, Tokyo, 113-8421, Japan
| | - Norihito Takahashi
- Department of Cardiovascular Biology and Medicine, Juntendo University Graduate School of Medicine, 2-1-1 Hongo, Bunkyo-Ku, Tokyo, 113-8421, Japan
| | - Yuichi Chikata
- Department of Cardiovascular Biology and Medicine, Juntendo University Graduate School of Medicine, 2-1-1 Hongo, Bunkyo-Ku, Tokyo, 113-8421, Japan
| | - Hirohisa Endo
- Department of Cardiovascular Biology and Medicine, Juntendo University Graduate School of Medicine, 2-1-1 Hongo, Bunkyo-Ku, Tokyo, 113-8421, Japan
| | - Yuko O Kawaguchi
- Department of Cardiovascular Biology and Medicine, Juntendo University Graduate School of Medicine, 2-1-1 Hongo, Bunkyo-Ku, Tokyo, 113-8421, Japan
| | - Shinichiro Doi
- Department of Cardiovascular Biology and Medicine, Juntendo University Graduate School of Medicine, 2-1-1 Hongo, Bunkyo-Ku, Tokyo, 113-8421, Japan
| | - Hiroki Nishiyama
- Department of Cardiovascular Biology and Medicine, Juntendo University Graduate School of Medicine, 2-1-1 Hongo, Bunkyo-Ku, Tokyo, 113-8421, Japan
| | - Makoto Hiki
- Department of Cardiovascular Biology and Medicine, Juntendo University Graduate School of Medicine, 2-1-1 Hongo, Bunkyo-Ku, Tokyo, 113-8421, Japan
| | - Iwao Okai
- Department of Cardiovascular Biology and Medicine, Juntendo University Graduate School of Medicine, 2-1-1 Hongo, Bunkyo-Ku, Tokyo, 113-8421, Japan
| | - Hiroshi Iwata
- Department of Cardiovascular Biology and Medicine, Juntendo University Graduate School of Medicine, 2-1-1 Hongo, Bunkyo-Ku, Tokyo, 113-8421, Japan
| | - Takayuki Yokoyama
- Department of Cardiovascular Biology and Medicine, Juntendo University Graduate School of Medicine, 2-1-1 Hongo, Bunkyo-Ku, Tokyo, 113-8421, Japan
| | - Shinya Okazaki
- Department of Cardiovascular Biology and Medicine, Juntendo University Graduate School of Medicine, 2-1-1 Hongo, Bunkyo-Ku, Tokyo, 113-8421, Japan
| | - Katsumi Miyauchi
- Department of Cardiovascular Biology and Medicine, Juntendo University Graduate School of Medicine, 2-1-1 Hongo, Bunkyo-Ku, Tokyo, 113-8421, Japan
| | - Hiroyuki Daida
- Department of Cardiovascular Biology and Medicine, Juntendo University Graduate School of Medicine, 2-1-1 Hongo, Bunkyo-Ku, Tokyo, 113-8421, Japan
- Department of Radiological Technology, Faculty of Health Science, Juntendo University, 2-1-1 Hongo, Bunkyo-Ku, Tokyo, 113-8421, Japan
| | - Debiao Li
- Cedars-Sinai Medical Center, Biomedical Imaging Research Institute, Los Angeles, CA, USA
| | - Yibin Xie
- Cedars-Sinai Medical Center, Biomedical Imaging Research Institute, Los Angeles, CA, USA
| | - Tohru Minamino
- Department of Cardiovascular Biology and Medicine, Juntendo University Graduate School of Medicine, 2-1-1 Hongo, Bunkyo-Ku, Tokyo, 113-8421, Japan
- Japan Agency for Medical Research and Development-Core Research for Evolutionary Medical Science and Technology (AMED-CREST), Japan Agency for Medical Research and Development, 1-7-1 Otemachi, Chiyoda-Ku, Tokyo, 100-0004, Japan
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Legutko J, Bryniarski KL, Kaluza GL, Roleder T, Pociask E, Kedhi E, Wojakowski W, Jang IK, Kleczynski P. Intracoronary Imaging of Vulnerable Plaque-From Clinical Research to Everyday Practice. J Clin Med 2022; 11:jcm11226639. [PMID: 36431116 PMCID: PMC9699515 DOI: 10.3390/jcm11226639] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/18/2022] [Revised: 10/30/2022] [Accepted: 11/07/2022] [Indexed: 11/11/2022] Open
Abstract
The introduction into clinical practice of intravascular imaging, including intravascular ultrasound (IVUS), optical coherence tomography (OCT) and their derivatives, allowed for the in vivo assessment of coronary atherosclerosis in humans, including insights into plaque evolution and progression process. Intravascular ultrasound, the most commonly used intravascular modality in many countries, due to its low resolution cannot assess many features of vulnerable plaque such as lipid plaque or thin-cap fibroatheroma. Thus, novel methods were introduced to facilitate this problem including virtual histology intravascular ultrasound and later on near-infrared spectroscopy and OCT. Howbeit, none of the currently used modalities can assess all known characteristics of plaque vulnerability; hence, the idea of combining different intravascular imaging methods has emerged including NIRS-IVUS or OCT-IVUS imaging. All of those described methods may allow us to identify the most vulnerable plaques, which are prone to cause acute coronary syndrome, and thus they may allow us to introduce proper treatment before plaque destabilization.
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Affiliation(s)
- Jacek Legutko
- Department of Interventional Cardiology, Faculty of Medicine, Institute of Cardiology, Jagiellonian University Medical College, 31-202 Kraków, Poland
- Clinical Department of Interventional Cardiology, John Paul II Hospital, 31-202 Kraków, Poland
| | - Krzysztof L. Bryniarski
- Department of Interventional Cardiology, Faculty of Medicine, Institute of Cardiology, Jagiellonian University Medical College, 31-202 Kraków, Poland
- Clinical Department of Interventional Cardiology, John Paul II Hospital, 31-202 Kraków, Poland
| | - Grzegorz L. Kaluza
- Skirball Center for Innovation, Cardiovascular Research Foundation, Orangeburg, NY 10019, USA
| | - Tomasz Roleder
- Department of Cardiology, Wroclaw Medical University, 50-556 Wroclaw, Poland
| | - Elzbieta Pociask
- Department of Biocybernetics and Biomedical Engineering, AGH University of Science and Technology, 30-059 Kraków, Poland
| | - Elvin Kedhi
- Clinique Hopitaliere Erasme, Université Libre de Bruxelles, 1070 Brussels, Belgium
| | - Wojciech Wojakowski
- Division of Cardiology and Structural Heart Diseases, Medical University of Silesia, 40-635 Katowice, Poland
| | - Ik-Kyung Jang
- Cardiology Division, Massachusetts General Hospital, Harvard Medical School, GRB 800, Boston, MA 02115, USA
- Division of Cardiology, Kyung Hee University Hospital, Seoul 02447, Korea
| | - Pawel Kleczynski
- Department of Interventional Cardiology, Faculty of Medicine, Institute of Cardiology, Jagiellonian University Medical College, 31-202 Kraków, Poland
- Clinical Department of Interventional Cardiology, John Paul II Hospital, 31-202 Kraków, Poland
- Correspondence: ; Tel.: +48-12-614-35-01
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18
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Clinical Utility of Intravascular Imaging. JACC: CARDIOVASCULAR IMAGING 2022; 15:1799-1820. [DOI: 10.1016/j.jcmg.2022.04.026] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/08/2022] [Accepted: 04/01/2022] [Indexed: 12/28/2022]
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19
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Usui E, Yonetsu T, Ohmori M, Kanno Y, Nakao M, Niida T, Matsuda Y, Matsuda J, Umemoto T, Misawa T, Hada M, Hoshino M, Kanaji Y, Sugiyama T, Kakuta T, Sasano T. Predictors of Near-Infrared Spectroscopy-Detected Lipid-Rich Plaques by Optical Coherence Tomography-Defined Morphological Features in Patients With Acute Coronary Syndrome. Front Cardiovasc Med 2022; 9:842914. [PMID: 35265688 PMCID: PMC8899395 DOI: 10.3389/fcvm.2022.842914] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/24/2021] [Accepted: 01/18/2022] [Indexed: 11/13/2022] Open
Abstract
BackgroundNear-infrared spectroscopy (NIRS) provides the localization of lipid-rich components in coronary plaques. However, morphological features in NIRS-detected lipid-rich plaques (LRP) are unclear.MethodsA total of 140 de novo culprit lesions in 140 patients with the acute coronary syndrome (ACS) who underwent NIRS and optical coherence tomography (OCT) examinations for the culprit lesions at the time of percutaneous coronary interventions were investigated. We defined a NIRS-LRP as a lesion with a maximum lipid core burden index of 4 mm [LCBI4mm] > 500 in the culprit plaque. Clinical demographics, angiographic, and OCT findings were compared between the patients with NIRS-LRP (n = 54) vs. those without NIRS-LRP (n = 86). Uni- and multivariable logistic regression analyses were performed to examine the independent OCT morphological predictors for NIRS-LRP.ResultsClinical demographics showed no significant differences between the two groups. The angiographic minimum lumen diameter was smaller in the NIRS-LRP group than in the non- NIRS-LRP group. In OCT analysis, the minimum flow area was smaller; lipid angle, lipid length, the prevalence of thin-cap fibroatheroma, and cholesterol crystals were greater in the NIRS-LRP group than in the non-NIRS-LRP group. Plaque rupture and thrombi were more frequent in the NIRS-LRP group, albeit not significant. In a multivariable logistic regression analysis, presence of thin-cap fibroatheroma [odds ratio (OR): 2.56; 95% CI: 1.12 to 5.84; p = 0.03] and cholesterol crystals (OR: 2.90; 95% CI: 1.20 to 6.99; p = 0.02) were independently predictive of NIRS-LRP.ConclusionsIn ACS culprit lesions, OCT-detected thin-cap fibroatheroma and cholesterol crystals rather than plaque rupture and thrombi were closely associated with a great lipid-core burden.
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Affiliation(s)
- Eisuke Usui
- Cardiovascular Medicine, Tokyo Medical and Dental University, Tokyo, Japan
| | - Taishi Yonetsu
- Cardiovascular Medicine, Tokyo Medical and Dental University, Tokyo, Japan
- *Correspondence: Taishi Yonetsu
| | - Mari Ohmori
- Cardiovascular Medicine, Tokyo Medical and Dental University, Tokyo, Japan
| | - Yoshinori Kanno
- Cardiovascular Medicine, Tokyo Medical and Dental University, Tokyo, Japan
| | - Masahiko Nakao
- Cardiovascular Medicine, Tsuchiura Kyodo General Hospital, Ibaraki, Japan
| | - Takayuki Niida
- Cardiovascular Medicine, Tokyo Medical and Dental University, Tokyo, Japan
| | - Yuji Matsuda
- Cardiovascular Medicine, Tokyo Medical and Dental University, Tokyo, Japan
| | - Junji Matsuda
- Cardiovascular Medicine, Tokyo Medical and Dental University, Tokyo, Japan
| | - Tomoyuki Umemoto
- Cardiovascular Medicine, Tokyo Medical and Dental University, Tokyo, Japan
| | - Toru Misawa
- Cardiovascular Medicine, Tsuchiura Kyodo General Hospital, Ibaraki, Japan
| | - Masahiro Hada
- Cardiovascular Medicine, Tsuchiura Kyodo General Hospital, Ibaraki, Japan
| | - Masahiro Hoshino
- Cardiovascular Medicine, Tsuchiura Kyodo General Hospital, Ibaraki, Japan
| | - Yoshihisa Kanaji
- Cardiovascular Medicine, Tsuchiura Kyodo General Hospital, Ibaraki, Japan
| | - Tomoyo Sugiyama
- Cardiovascular Medicine, Tsuchiura Kyodo General Hospital, Ibaraki, Japan
| | - Tsunekazu Kakuta
- Cardiovascular Medicine, Tsuchiura Kyodo General Hospital, Ibaraki, Japan
| | - Tetsuo Sasano
- Cardiovascular Medicine, Tokyo Medical and Dental University, Tokyo, Japan
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20
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Sakamoto A, Cornelissen A, Sato Y, Mori M, Kawakami R, Kawai K, Ghosh SKB, Xu W, Abebe BG, Dikongue A, Kolodgie FD, Virmani R, Finn AV. Vulnerable Plaque in Patients with Acute Coronary Syndrome: Identification, Importance, and Management. US CARDIOLOGY REVIEW 2022. [DOI: 10.15420/usc.2021.22] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/04/2022] Open
Abstract
MI is a leading cause of morbidity and mortality worldwide. Coronary artery thrombosis is the final pathologic feature of the most cases of acute MI primarily caused by atherosclerotic coronary artery disease. The concept of vulnerable plaque has evolved over the years but originated from early pioneering work unveiling the crucial role of plaque rupture and subsequent coronary thrombosis as the dominant cause of MI. Along with systemic cardiovascular risk factors, developments of intravascular and non-invasive imaging modalities have allowed us to identify coronary plaques thought to be at high risk for rupture. However, morphological features alone may only be one of many factors which promote plaque progression. The current vulnerable-plaque-oriented approaches to accomplish personalized risk assessment and treatment have significant room for improvement. In this review, the authors discuss recent advances in the understanding of vulnerable plaque and its management strategy from pathology and clinical perspectives.
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21
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Abstract
Mechanical stress from haemodynamic perturbations or interventional manipulation of epicardial coronary atherosclerotic plaques with inflammatory destabilization can release particulate debris, thrombotic material and soluble substances into the coronary circulation. The physical material obstructs the coronary microcirculation, whereas the soluble substances induce endothelial dysfunction and facilitate vasoconstriction. Coronary microvascular obstruction and dysfunction result in patchy microinfarcts accompanied by an inflammatory reaction, both of which contribute to progressive myocardial contractile dysfunction. In clinical studies, the benefit of protection devices to retrieve atherothrombotic debris during percutaneous coronary interventions has been modest, and the treatment of microembolization has mostly relied on antiplatelet and vasodilator agents. The past 25 years have witnessed a relative proportional increase in non-ST-segment elevation myocardial infarction in the presentation of acute coronary syndromes. An associated increase in the incidence of plaque erosion rather than rupture has also been recognized as a key mechanism in the past decade. We propose that coronary microembolization is a decisive link between plaque erosion at the culprit lesion and the manifestation of non-ST-segment elevation myocardial infarction. In this Review, we characterize the features and mechanisms of coronary microembolization and discuss the clinical trials of drugs and devices for prevention and treatment.
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Affiliation(s)
- Petra Kleinbongard
- grid.5718.b0000 0001 2187 5445Institute for Pathophysiology, West German Heart and Vascular Center, University of Essen Medical School, Essen, Germany
| | - Gerd Heusch
- grid.5718.b0000 0001 2187 5445Institute for Pathophysiology, West German Heart and Vascular Center, University of Essen Medical School, Essen, Germany
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22
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Ozaki Y, Hara H, Onuma Y, Katagiri Y, Amano T, Kobayashi Y, Muramatsu T, Ishii H, Kozuma K, Tanaka N, Matsuo H, Uemura S, Kadota K, Hikichi Y, Tsujita K, Ako J, Nakagawa Y, Morino Y, Hamanaka I, Shiode N, Shite J, Honye J, Matsubara T, Kawai K, Igarashi Y, Okamura A, Ogawa T, Shibata Y, Tsuji T, Yajima J, Iwabuchi K, Komatsu N, Sugano T, Yamaki M, Yamada S, Hirase H, Miyashita Y, Yoshimachi F, Kobayashi M, Aoki J, Oda H, Katahira Y, Ueda K, Nishino M, Nakao K, Michishita I, Ueno T, Inohara T, Kohsaka S, Ismail TF, Serruys PW, Nakamura M, Yokoi H, Ikari Y. CVIT expert consensus document on primary percutaneous coronary intervention (PCI) for acute myocardial infarction (AMI) update 2022. Cardiovasc Interv Ther 2022; 37:1-34. [PMID: 35018605 PMCID: PMC8789715 DOI: 10.1007/s12928-021-00829-9] [Citation(s) in RCA: 70] [Impact Index Per Article: 35.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/15/2021] [Accepted: 11/15/2021] [Indexed: 12/14/2022]
Abstract
Primary Percutaneous Coronary Intervention (PCI) has significantly contributed to reducing the mortality of patients with ST-segment elevation myocardial infarction (STEMI) even in cardiogenic shock and is now the standard of care in most of Japanese institutions. The Task Force on Primary PCI of the Japanese Association of Cardiovascular Interventional and Therapeutics (CVIT) society proposed an expert consensus document for the management of acute myocardial infarction (AMI) focusing on procedural aspects of primary PCI in 2018. Updated guidelines for the management of AMI were published by the European Society of Cardiology (ESC) in 2017 and 2020. Major changes in the guidelines for STEMI patients included: (1) radial access and drug-eluting stents (DES) over bare-metal stents (BMS) were recommended as a Class I indication, (2) complete revascularization before hospital discharge (either immediate or staged) is now considered as Class IIa recommendation. In 2020, updated guidelines for Non-ST-Elevation Myocardial Infarction (NSTEMI) patients, the followings were changed: (1) an early invasive strategy within 24 h is recommended in patients with NSTEMI as a Class I indication, (2) complete revascularization in NSTEMI patients without cardiogenic shock is considered as Class IIa recommendation, and (3) in patients with atrial fibrillation following a short period of triple antithrombotic therapy, dual antithrombotic therapy (e.g., DOAC and single oral antiplatelet agent preferably clopidogrel) is recommended, with discontinuation of the antiplatelet agent after 6 to 12 months. Furthermore, an aspirin-free strategy after PCI has been investigated in several trials those have started to show the safety and efficacy. The Task Force on Primary PCI of the CVIT group has now proposed the updated expert consensus document for the management of AMI focusing on procedural aspects of primary PCI in 2022 version.
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Affiliation(s)
- Yukio Ozaki
- Department of Cardiology, Fujita Health University School of Medicine, Aichi, Japan.
| | - Hironori Hara
- Department of Cardiology, National University of Ireland, Galway (NUIG), Galway, Ireland
- Department of Cardiology, Academic Medical Center, University of Amsterdam, Amsterdam, The Netherlands
| | - Yoshinobu Onuma
- Department of Cardiology, National University of Ireland, Galway (NUIG), Galway, Ireland
| | - Yuki Katagiri
- Department of Cardiology, Sapporo Higashi Tokushukai Hospital, Sapporo, Japan
| | - Tetsuya Amano
- Department of Cardiology, Aichi Medical University, Aichi, Japan
| | - Yoshio Kobayashi
- Department of Cardiovascular Medicine, Chiba University Graduate School of Medicine, Chiba, Japan
| | - Takashi Muramatsu
- Department of Cardiology, Fujita Health University School of Medicine, Aichi, Japan
| | - Hideki Ishii
- Department of Cardiovascular Medicine, Gunma University Graduate School of Medicine, Gunma, Japan
| | - Ken Kozuma
- Department of Cardiology, Teikyo University Hospital, Tokyo, Japan
| | - Nobuhiro Tanaka
- Division of Cardiology, Tokyo Medical University Hachioji Medical Center, Tokyo, Japan
| | | | - Shiro Uemura
- Cardiovascular Medicine, Kawasaki Medical School, Kurashiki, Japan
| | | | | | - Kenichi Tsujita
- Department of Cardiovascular Medicine, Graduate School of Medical Sciences, Kumamoto University, Kumamoto, Japan
| | - Junya Ako
- Department of Cardiology, Kitasato University Hospital, Sagamihara, Japan
| | - Yoshihisa Nakagawa
- Division of Cardiovascular Medicine, Department of Internal Medicine, Shiga University of Medical Science, Otsu, Japan
| | - Yoshihiro Morino
- Department of Cardiology, Iwate Medical University Hospital, Morioka, Japan
| | - Ichiro Hamanaka
- Cardiovascular Intervention Center, Rakuwakai Marutamachi Hospital, Kyoto, Japan
| | - Nobuo Shiode
- Division of Cardiology, Hiroshima City Hiroshima Citizens Hospital, Hiroshima, Japan
| | - Junya Shite
- Cardiology Division, Osaka Saiseikai Nakatsu Hospital, Osaka, Japan
| | | | | | | | | | | | - Takayuki Ogawa
- Division of Cardiology, The Jikei University School of Medicine, Tokyo, Japan
| | | | | | | | | | | | | | | | | | | | | | | | - Masakazu Kobayashi
- Department of Cardiology, Fujita Health University School of Medicine, Aichi, Japan
| | - Jiro Aoki
- Division of Cardiology, Mitsui Memorial Hospital, Tokyo, Japan
| | | | | | | | - Masami Nishino
- Division of Cardiology, Osaka Rosai Hospital, Osaka, Japan
| | - Koichi Nakao
- Division of Cardiology, Saiseikai Kumamoto Hospital, Cardiovascular Center, Kumamoto, Japan
| | | | | | - Taku Inohara
- Keio University School of Medicine, Tokyo, Japan
| | - Shun Kohsaka
- Keio University School of Medicine, Tokyo, Japan
| | - Tevfik F Ismail
- Department of Cardiology, Fujita Health University School of Medicine, Aichi, Japan
- King's College London & Guy's and St Thomas' Hospital NHS Foundation Trust, London, UK
| | - Patrick W Serruys
- Department of Cardiology, National University of Ireland, Galway (NUIG), Galway, Ireland
- NHLI, Imperial College London, London, UK
| | - Masato Nakamura
- Division of Cardiovascular Medicine, Ohashi Medical Center, Toho University School of Medicine, Tokyo, Japan
| | - Hiroyoshi Yokoi
- Cardiovascular Center, Fukuoka Sanno Hospital, Fukuoka, Japan
| | - Yuji Ikari
- Department of Cardiology, Tokai University School of Medicine, Isehara, Japan
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23
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Yamaguchi M, Hoshino M, Sugiyama T, Kanaji Y, Nagamine T, Misawa T, Hada M, Araki M, Hamaya R, Usui E, Murai T, Lee T, Yonetsu T, Sasano T, Kakuta T. Association of near-infrared spectroscopy-defined lipid rich plaque with lesion morphology and peri-coronary inflammation on computed tomography angiography. Atherosclerosis 2022; 346:109-116. [DOI: 10.1016/j.atherosclerosis.2022.01.010] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/04/2021] [Revised: 12/24/2021] [Accepted: 01/14/2022] [Indexed: 12/14/2022]
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24
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Terada K, Kubo T, Madder R, Ino Y, Takahata M, Shimamura K, Shiono Y, Nishi T, Emori H, Higashioka D, Khalifa A, Wada T, Akasaka T. Near-infrared spectroscopy to predict microvascular obstruction after primary percutaneous coronary intervention. EUROINTERVENTION 2021; 17:e999-e1006. [PMID: 34105512 PMCID: PMC9724955 DOI: 10.4244/eij-d-20-01421] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
Abstract
BACKGROUND Successful restoration of epicardial coronary artery patency by primary percutaneous coronary intervention (PPCI) for ST-elevation myocardial infarction (STEMI) does not always lead to adequate reperfusion at the microvascular level. AIMS This study sought to investigate the association between lipid-rich coronary plaque identified by near-infrared spectroscopy combined with intravascular ultrasound (NIRS-IVUS) and microvascular obstruction (MVO) detected by cardiac magnetic resonance imaging (MRI) after PPCI for STEMI. METHODS We investigated 120 patients with STEMI undergoing PPCI. NIRS-IVUS was used to measure the maximum lipid core burden index in 4 mm (maxLCBI4 mm) in the infarct-related lesions before PPCI. Delayed contrast-enhanced cardiac MRI was performed to evaluate MVO one week after PPCI. RESULTS MVO was identified in 40 (33%) patients. MaxLCBI4 mm in the infarct-related lesion was significantly larger in the MVO group compared with the no-MVO group (median [interquartile range]: 745 [522-853] vs 515 [349-698], p<0.001). A multivariable logistic regression model showed that maxLCBI4 mm was an independent predictor of MVO (odds ratio: 24.7 [95% confidence interval: 2.5-248.0], p=0.006). Receiver operating characteristic curve analysis demonstrated that maxLCBI4 mm >600 was the optimal cut-off value to predict MVO (Youden index=0.44 and area under the curve=0.71) with a sensitivity of 75% and a specificity of 69%. CONCLUSIONS Lipid content measured by NIRS in the infarct-related lesions was associated with the occurrence of MVO after PPCI in STEMI.
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Affiliation(s)
- Kosei Terada
- Department of Cardiovascular Medicine, Wakayama Medical University, Wakayama, Japan
| | - Takashi Kubo
- Department of Cardiovascular Medicine, Wakayama Medical University, 811-1, Kimiidera, Wakayama 641-8510, Japan. E-mail:
| | - Ryan Madder
- Frederik Meijer Heart & Vascular Institute, Spectrum Health, Grand Rapids, MI, USA
| | - Yasushi Ino
- Department of Cardiovascular Medicine, Wakayama Medical University, Wakayama, Japan
| | - Masahiro Takahata
- Department of Cardiovascular Medicine, Wakayama Medical University, Wakayama, Japan
| | - Kunihiro Shimamura
- Department of Cardiovascular Medicine, Wakayama Medical University, Wakayama, Japan
| | - Yasutsugu Shiono
- Department of Cardiovascular Medicine, Wakayama Medical University, Wakayama, Japan
| | - Takahiro Nishi
- Department of Cardiovascular Medicine, Wakayama Medical University, Wakayama, Japan
| | - Hiroki Emori
- Department of Cardiovascular Medicine, Wakayama Medical University, Wakayama, Japan
| | - Daisuke Higashioka
- Department of Cardiovascular Medicine, Wakayama Medical University, Wakayama, Japan
| | - Amir Khalifa
- Department of Cardiovascular Medicine, Wakayama Medical University, Wakayama, Japan
| | - Teruaki Wada
- Department of Cardiovascular Medicine, Wakayama Medical University, Wakayama, Japan
| | - Takashi Akasaka
- Department of Cardiovascular Medicine, Wakayama Medical University, Wakayama, Japan
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25
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Štěchovský C, Hájek P, Roland R, Horváth M, Veselka J. Long-term changes after carotid stenting assessed by intravascular ultrasound and near-infrared spectroscopy. Cardiovasc Diagn Ther 2021; 11:1180-1189. [PMID: 35070788 PMCID: PMC8748489 DOI: 10.21037/cdt-21-160] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/17/2021] [Accepted: 09/29/2021] [Indexed: 08/22/2023]
Abstract
BACKGROUND Long-term effect of carotid stenting (CAS) on the stabilization of the plaque is almost unrecognized. Vascular healing and remodeling might seal the atherosclerotic plaque with neointimal hyperplasia decreasing the vulnerability. We aimed to assess long-term change in the lipid signal, stent and luminal dimensions and restenosis after CAS with the intravascular ultrasound (IVUS) and near-infrared spectroscopy (NIRS) imaging. METHODS We performed follow-up angiography and NIRS-IVUS imaging of 58 carotid stents in 52 patients. Median time from CAS to the follow-up examination was 31 months (range, 5-56). The lipid signal of the stented segment was calculated from a NIRS-derived chemogram (a spectroscopic map) as the lipid core burden index (LCBI, a dimensionless number from 0 to 1,000). Planimetric and volumetric measurements from IVUS were performed to assess change in minimal stent area (MSA), minimal luminal area (MLA), stent and luminal volume, late stent expansion and percentage in-stent restenosis (ISR) volume. RESULTS During the follow-up period, the mean (±SD) LCBI significantly decreased from 32±56 to 17±27 (P=0.002). The mean stent volume significantly increased from 717±302 to 1,019±429 mm3 (P<0.001) with mean stent expansion 43%±24%. The mean luminal volume increased from 717±302 to 760±359 mm3 (P=0.025) due to ISR encroaching 26%±15% of the stent volume. CONCLUSIONS Lipid signal decreased during the follow-up period suggesting stabilization of the plaque. Late stent expansion was balanced with neointimal hyperplasia. TRIAL REGISTRATION The trial is registered under clinicaltrials.gov NCT03141580.
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Affiliation(s)
| | - Petr Hájek
- Department of Cardiology, Second Faculty of Medicine, Charles University, University Hospital Motol, Prague, Czech Republic
| | - Robert Roland
- Department of Cardiology, Second Faculty of Medicine, Charles University, University Hospital Motol, Prague, Czech Republic
| | - Martin Horváth
- Department of Cardiology, Second Faculty of Medicine, Charles University, University Hospital Motol, Prague, Czech Republic
| | - Josef Veselka
- Department of Cardiology, Second Faculty of Medicine, Charles University, University Hospital Motol, Prague, Czech Republic
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26
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Matsuoka T, Kitahara H, Saito K, Mori N, Tateishi K, Fujimoto Y, Kobayashi Y. Utility of near-infrared spectroscopy to detect the extent of lipid core plaque leading to periprocedural myocardial infarction. Catheter Cardiovasc Interv 2021; 98:E695-E704. [PMID: 34415682 DOI: 10.1002/ccd.29927] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/13/2021] [Revised: 08/06/2021] [Accepted: 08/08/2021] [Indexed: 11/07/2022]
Abstract
OBJECTIVES The aim of this study was to investigate whether lipid core plaque (LCP) in the entire stented segment detected by near-infrared spectroscopy-intravascular ultrasound (NIRS-IVUS) could predict procedural myocardial infarction (PMI) in patients undergoing percutaneous coronary artery intervention (PCI). BACKGROUND NIRS-IVUS can identify LCP, described as high lipid core burden index (LCBI). Previously, the highest LCBI contained only in the 4-mm segment (maxLCBI4mm ) was reported to predict PMI. METHODS Patients who underwent NIRS-IVUS examination during PCI for coronary artery disease at Chiba University Hospital were included. The extent of LCP in the stented segment derived from NIRS-IVUS analysis was presented as LCBI, maxLCBI4mm , and LCP area index (LAI), reflecting the total amount of LCP in the entire stented segment calculated as LCBI×lesion length. PMI was defined as an elevation of creatine kinase MB > 3 times upper reference level (URL), and periprocedural myocardial injury (PMInj) was defined as an elevation of troponin I>5 times URL within 12 to 24 h after PCI. RESULTS Out of 141 enrolled patients, PMI occurred in 20 (14.2%) and PMInj occurred in 62 (44.0%) patients. Receiver-operating characteristic curve analysis revealed LAI was the strongest predictor for both PMI and PMInj (area under curve 0.771, p < 0.001, and 0.717, p < 0.001, respectively). Multiple logistic regression analysis determined high LAI value as the independent predictor of both PMI and PMInj. CONCLUSIONS Greater extent of LCP in the entire stented segment detected by NIRS-IVUS was significantly associated with PMI as well as PMInj in patients undergoing PCI.
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Affiliation(s)
- Takaaki Matsuoka
- Department of Cardiovascular Medicine, Chiba University Graduate School of Medicine, Chiba, Japan
| | - Hideki Kitahara
- Department of Cardiovascular Medicine, Chiba University Graduate School of Medicine, Chiba, Japan
| | - Kan Saito
- Department of Cardiovascular Medicine, Chiba University Graduate School of Medicine, Chiba, Japan
| | - Naoto Mori
- Department of Cardiovascular Medicine, Chiba University Graduate School of Medicine, Chiba, Japan
| | - Kazuya Tateishi
- Department of Cardiovascular Medicine, Chiba University Graduate School of Medicine, Chiba, Japan
| | - Yoshihide Fujimoto
- Department of Cardiovascular Medicine, Chiba University Graduate School of Medicine, Chiba, Japan
| | - Yoshio Kobayashi
- Department of Cardiovascular Medicine, Chiba University Graduate School of Medicine, Chiba, Japan
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27
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Li Y, Liang X, Zhang W, Qiao X, Wang Z. The Clinical and Angiographic Outcomes of Postdilation after Percutaneous Coronary Intervention in Patients with Acute Coronary Syndrome: A Systematic Review and Meta-Analysis. J Interv Cardiol 2021; 2021:6699812. [PMID: 33935601 PMCID: PMC8055432 DOI: 10.1155/2021/6699812] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/23/2020] [Revised: 03/01/2021] [Accepted: 03/23/2021] [Indexed: 12/18/2022] Open
Abstract
OBJECTIVE The effect of postdilation in patients with acute coronary syndrome is still controversial. This meta-analysis aims to analyze the clinical and angiographic outcomes of postdilation after percutaneous coronary intervention in patients with acute coronary syndrome. METHODS PubMed, Embase, the Cochrane Library, Web of Science, CNKI, and Wangfang databases were searched from inception to August 30, 2020. Eligible studies from acute coronary syndrome patients treated with postdilation were included. The primary clinical outcome was major adverse cardiovascular events (MACE), the secondary clinical outcomes comprised all-cause death, stent thrombosis, myocardial infarction, and target vessel revascularization, and the angiographic outcomes were no reflow and slow reflow. RESULTS 11 studies met inclusion criteria. In clinical outcomes, our pooled analysis demonstrated that the postdilation had a tendency of decreasing MACE (OR = 0.67, 95% CI 0.45-1.00; P = 0.05) but significantly increased all-cause death (OR = 1.49, 95% CI 1.05-2.12; P = 0.03). No significant difference existed in stent thrombosis (OR = 0.71, 95% CI 0.40-1.26; P = 0.24), myocardial infarction (OR = 1.40, 95% CI 0.51-3.83; P = 0.51), and target vessel revascularization (OR = 0.61, 95% CI 0.21-1.80; P = 0.37) between postdilation and non-postdilation groups. In angiographic outcomes, there were no significant differences in no reflow (OR = 1.19, 95% CI 0.54-2.65; P = 0.66) and slow reflow (OR = 1.12, 95% CI 0.93-1.35; P = 0.24) between two groups. CONCLUSIONS The postdilation tends to reduce the risk of MACE but significantly increases all-cause death, without significantly affecting stent thrombosis, myocardial infarction, target vessel revascularization, and coronary TIMI flow grade. However, more randomized controlled trials are required for investigating the effect of postdilation for patients with acute coronary syndrome (registered by PROSPERO, CRD42020160748).
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Affiliation(s)
- Yan Li
- The First Clinical Medical College of Lanzhou University, Lanzhou, Gansu, China
| | - Xiying Liang
- The First Clinical Medical College of Lanzhou University, Lanzhou, Gansu, China
| | - Wenjiao Zhang
- The First Clinical Medical College of Lanzhou University, Lanzhou, Gansu, China
| | - Xuan Qiao
- The First Clinical Medical College of Lanzhou University, Lanzhou, Gansu, China
| | - Zhilu Wang
- Department of Cardiology, The First Hospital of Lanzhou University, Lanzhou, Gansu, China
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28
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Roland R, Veselka J. Optical Coherence Tomography of the Coronary Arteries. Int J Angiol 2021; 30:29-39. [PMID: 34045841 PMCID: PMC8141373 DOI: 10.1055/s-0041-1724019] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/22/2022] Open
Abstract
Intravascular imaging, particularly optical coherence tomography, has brought significant improvement in diagnostic and therapeutical approaches to coronary artery disease and has offered superior high-resolution visualization of coronary arteries. The ability to obtain images of intramural and transmural coronary structures allows the study of the process of atherosclerosis, effect of therapies, mechanism of acute coronary syndrome and stent failure, and performance of new devices and enables the interventional cardiologist to optimize the effect of percutaneous coronary intervention. In this review, we provide the summary of the latest published data on clinical use of optical coherence tomography as well as practical algorithm for optical coherence tomography-guided percutaneous coronary intervention for daily interventional practice.
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Affiliation(s)
- Robert Roland
- Department of Cardiology, Motol University Hospital, Charles University, Prague, Czech Republic
| | - Josef Veselka
- Department of Cardiology, Motol University Hospital, Charles University, Prague, Czech Republic
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29
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Chaudhry F, Kawai H, Johnson KW, Narula N, Shekhar A, Chaudhry F, Nakahara T, Tanimoto T, Kim D, Adapoe MKMY, Blankenberg FG, Mattis JA, Pak KY, Levy PD, Ozaki Y, Arbustini E, Strauss HW, Petrov A, Fuster V, Narula J. Molecular Imaging of Apoptosis in Atherosclerosis by Targeting Cell Membrane Phospholipid Asymmetry. J Am Coll Cardiol 2021; 76:1862-1874. [PMID: 33059832 DOI: 10.1016/j.jacc.2020.08.047] [Citation(s) in RCA: 15] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/07/2020] [Accepted: 08/20/2020] [Indexed: 12/12/2022]
Abstract
BACKGROUND Apoptosis in atherosclerotic lesions contributes to plaque vulnerability by lipid core enlargement and fibrous cap attenuation. Apoptosis is associated with exteriorization of phosphatidylserine (PS) and phosphatidylethanolamine (PE) on the cell membrane. Although PS-avid radiolabeled annexin-V has been employed for molecular imaging of high-risk plaques, PE-targeted imaging in atherosclerosis has not been studied. OBJECTIVES This study sought to evaluate the feasibility of molecular imaging with PE-avid radiolabeled duramycin in experimental atherosclerotic lesions in a rabbit model and compare duramycin targeting with radiolabeled annexin-V. METHODS Of the 27 rabbits, 21 were fed high-cholesterol, high-fat diet for 16 weeks. Nine of the 21 rabbits received 99mTc-duramycin (test group), 6 received 99mTc-linear duramycin (duramycin without PE-binding capability, negative radiotracer control group), and 6 received 99mTc-annexin-V for radionuclide imaging. The remaining normal chow-fed 6 animals (disease control group) received 99mTc-duramycin. In vivo microSPECT/microCT imaging was performed, and the aortas were explanted for ex vivo imaging and for histological characterization of atherosclerosis. RESULTS A significantly higher duramycin uptake was observed in the test group compared with that of disease control and negative radiotracer control animals; duramycin uptake was also significantly higher than the annexin-V uptake. Quantitative duramycin uptake, represented as the square root of percent injected dose per cm (√ID/cm) of abdominal aorta was >2-fold higher in atherosclerotic lesions in test group (0.08 ± 0.01%) than in comparable regions of disease control animals (0.039 ± 0.0061%, p = 3.70·10-8). Mean annexin uptake (0.060 ± 0.010%) was significantly lower than duramycin (p = 0.001). Duramycin uptake corresponded to the lesion severity and macrophage burden. The radiation burden to the kidneys was substantially lower with duramycin (0.49% ID/g) than annexin (5.48% ID/g; p = 4.00·10-4). CONCLUSIONS Radiolabeled duramycin localizes in lipid-rich areas with high concentration of apoptotic macrophages in the experimental atherosclerosis model. Duramycin uptake in atherosclerotic lesions was significantly greater than annexin-V uptake and produced significantly lower radiation burden to nontarget organs.
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Affiliation(s)
- Farhan Chaudhry
- Icahn School of Medicine at Mount Sinai, New York, New York; Wayne State University School of Medicine, Detroit, Michigan
| | - Hideki Kawai
- Icahn School of Medicine at Mount Sinai, New York, New York; Department of Cardiology, Fujita Health University, Toyoake, Aichi, Japan
| | - Kipp W Johnson
- Icahn School of Medicine at Mount Sinai, New York, New York
| | - Navneet Narula
- New York University Langone Medical Center, New York, New York
| | - Aditya Shekhar
- Icahn School of Medicine at Mount Sinai, New York, New York
| | | | | | | | - Dongbin Kim
- Icahn School of Medicine at Mount Sinai, New York, New York
| | | | | | - Jeffrey A Mattis
- Molecular Targeting Technologies, Inc., West Chester, Pennsylvania
| | - Koon Y Pak
- Molecular Targeting Technologies, Inc., West Chester, Pennsylvania
| | - Phillip D Levy
- Wayne State University School of Medicine, Detroit, Michigan
| | - Yukio Ozaki
- Department of Cardiology, Fujita Health University, Toyoake, Aichi, Japan
| | | | - H William Strauss
- Icahn School of Medicine at Mount Sinai, New York, New York; Memorial Sloan Kettering Cancer Center, New York, New York
| | - Artiom Petrov
- Icahn School of Medicine at Mount Sinai, New York, New York.
| | - Valentin Fuster
- Icahn School of Medicine at Mount Sinai, New York, New York; Centro Nacional de Investigaciones Cardiovasculares Carlos III (CNIC), Madrid, Spain
| | - Jagat Narula
- Icahn School of Medicine at Mount Sinai, New York, New York
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30
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Optical coherence tomography-guided percutaneous coronary intervention: a review of current clinical applications. Cardiovasc Interv Ther 2021; 36:169-177. [PMID: 33454867 DOI: 10.1007/s12928-020-00745-4] [Citation(s) in RCA: 18] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/06/2020] [Accepted: 12/08/2020] [Indexed: 12/28/2022]
Abstract
Optical coherence tomography (OCT) is an emerging high-resolution intravascular imaging modality that can provide physicians with critical information, thereby enabling precise characterization of plaque morphology and luminal geometry and facilitating pre-intervention lesion assessment. As OCT has a higher sensitivity for lipid-rich plaque characterization than intravascular ultrasound, vulnerable plaque detection by OCT has thus been investigated. By evaluating both the calcium thickness and arc, OCT can be the ideal method for determining both the indication and endpoint of rotational atherectomy for calcified lesions prior to stent implantation. OCT has become applicable for the optimization of stent implantation with immediate and semi-automatic quantification of stent apposition and expansion to achieve potentially better clinical outcomes. In bifurcation lesions, OCT allows the visualization of the stent-link location overhanging the side-branch ostium and the guidewire recrossing point prior to the final kissing balloon inflation through three-dimensional reconstructed OCT images, providing us with deep insights into the mechanical optimization of stent struts. Furthermore, recent studies have reported several OCT-derived predictors of adverse clinical events. Important limitations of OCT, including the excessive contrast volume needed and observation of aorto-ostial lesions, may partially be overcome through the use of low-molecular-weight dextran and a guide extension catheter. The clinical applications of OCT have been expanding, and evidence on its clinical utility has been accumulating.
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31
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Vaidya K, Tucker B, Kurup R, Khandkar C, Pandzic E, Barraclough J, Machet J, Misra A, Kavurma M, Martinez G, Rye KA, Cochran BJ, Patel S. Colchicine Inhibits Neutrophil Extracellular Trap Formation in Patients With Acute Coronary Syndrome After Percutaneous Coronary Intervention. J Am Heart Assoc 2020; 10:e018993. [PMID: 33346683 PMCID: PMC7955504 DOI: 10.1161/jaha.120.018993] [Citation(s) in RCA: 56] [Impact Index Per Article: 14.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/27/2022]
Abstract
Background Release of neutrophil extracellular traps (NETs) after percutaneous coronary intervention (PCI) in acute coronary syndrome (ACS) is associated with periprocedural myocardial infarction, as a result of microvascular obstruction via pro‐inflammatory and prothrombotic pathways. Colchicine is a well‐established anti‐inflammatory agent with growing evidence to support use in patients with coronary disease. However, its effects on post‐PCI NET formation in ACS have not been explored. Methods and Results Sixty patients (40 ACS; 20 stable angina pectoris) were prospectively recruited and allocated to colchicine or no treatment. Within 24 hours of treatment, serial coronary sinus blood samples were collected during PCI. Isolated neutrophils from 10 patients with ACS post‐PCI and 4 healthy controls were treated in vitro with colchicine (25 nmol/L) and stimulated with either ionomycin (5 μmol/L) or phorbol 12‐myristate 13‐acetate (50 nmol/L). Extracellular DNA was quantified using Sytox Green and fixed cells were stained with Hoechst 3342 and anti‐alpha tubulin. Baseline characteristics were similar across both treatment and control arms. Patients with ACS had higher NET release versus patients with stable angina pectoris (P<0.001), which was reduced with colchicine treatment (area under the curve: 0.58 versus 4.29; P<0.001). In vitro, colchicine suppressed unstimulated (P<0.001), phorbol 12‐myristate 13‐acetate–induced (P=0.009) and ionomycin‐induced (P=0.002) NET formation in neutrophils isolated from patients with ACS post‐PCI, but not healthy controls. Tubulin organization was impaired in neutrophils from patients with ACS but was restored by colchicine treatment. Conclusions Colchicine suppresses NET formation in patients with ACS post‐PCI by restoring cytoskeletal dynamics. These findings warrant further investigation in randomized trials powered for clinical end points. Registration URL: https://anzctr.org.au; Unique identifier: ACTRN12619001231134.
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Affiliation(s)
| | - Bradley Tucker
- Heart Research Institute Sydney Australia.,School of Medical Sciences UNSW Sydney Sydney Australia
| | - Rahul Kurup
- Royal Prince Alfred Hospital Sydney Australia.,Heart Research Institute Sydney Australia
| | | | - Elvis Pandzic
- Biomedical Imaging Facility Mark Wainwright Analytical CentreUNSW Sydney Sydney Australia
| | - Jennifer Barraclough
- Royal Prince Alfred Hospital Sydney Australia.,Heart Research Institute Sydney Australia
| | - Joshua Machet
- School of Medical Sciences UNSW Sydney Sydney Australia
| | | | | | - Gonzalo Martinez
- Division of Cardiovascular Diseases Pontificia Universidad Católica de Chile Santiago Chile
| | | | | | - Sanjay Patel
- Royal Prince Alfred Hospital Sydney Australia.,Heart Research Institute Sydney Australia.,Sydney Medical School University of Sydney Australia
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32
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Stone GW, Maehara A, Ali ZA, Held C, Matsumura M, Kjøller-Hansen L, Bøtker HE, Maeng M, Engstrøm T, Wiseth R, Persson J, Trovik T, Jensen U, James SK, Mintz GS, Dressler O, Crowley A, Ben-Yehuda O, Erlinge D. Percutaneous Coronary Intervention for Vulnerable Coronary Atherosclerotic Plaque. J Am Coll Cardiol 2020; 76:2289-2301. [PMID: 33069847 DOI: 10.1016/j.jacc.2020.09.547] [Citation(s) in RCA: 124] [Impact Index Per Article: 31.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/17/2020] [Revised: 09/14/2020] [Accepted: 09/14/2020] [Indexed: 12/18/2022]
Abstract
BACKGROUND Acute coronary syndromes most commonly arise from thrombosis of lipid-rich coronary atheromas that have large plaque burden despite angiographically appearing mild. OBJECTIVES This study sought to examine the outcomes of percutaneous coronary intervention (PCI) of non-flow-limiting vulnerable plaques. METHODS Three-vessel imaging was performed with a combination intravascular ultrasound (IVUS) and near-infrared spectroscopy (NIRS) catheter after successful PCI of all flow-limiting coronary lesions in 898 patients presenting with myocardial infarction (MI). Patients with an angiographically nonobstructive stenosis not intended for PCI but with IVUS plaque burden of ≥65% were randomized to treatment of the lesion with a bioresorbable vascular scaffold (BVS) plus guideline-directed medical therapy (GDMT) versus GDMT alone. The primary powered effectiveness endpoint was the IVUS-derived minimum lumen area (MLA) at protocol-driven 25-month follow-up. The primary (nonpowered) safety endpoint was randomized target lesion failure (cardiac death, target vessel-related MI, or clinically driven target lesion revascularization) at 24 months. The secondary (nonpowered) clinical effectiveness endpoint was randomized lesion-related major adverse cardiac events (cardiac death, MI, unstable angina, or progressive angina) at latest follow-up. RESULTS A total of 182 patients were randomized (93 BVS, 89 GDMT alone) at 15 centers. The median angiographic diameter stenosis of the randomized lesions was 41.6%; by near-infrared spectroscopy-IVUS, the median plaque burden was 73.7%, the median MLA was 2.9 mm2, and the median maximum lipid plaque content was 33.4%. Angiographic follow-up at 25 months was completed in 167 patients (91.8%), and the median clinical follow-up was 4.1 years. The follow-up MLA in BVS-treated lesions was 6.9 ± 2.6 mm2 compared with 3.0 ± 1.0 mm2 in GDMT alone-treated lesions (least square means difference: 3.9 mm2; 95% confidence interval: 3.3 to 4.5; p < 0.0001). Target lesion failure at 24 months occurred in similar rates of BVS-treated and GDMT alone-treated patients (4.3% vs. 4.5%; p = 0.96). Randomized lesion-related major adverse cardiac events occurred in 4.3% of BVS-treated patients versus 10.7% of GDMT alone-treated patients (odds ratio: 0.38; 95% confidence interval: 0.11 to 1.28; p = 0.12). CONCLUSIONS PCI of angiographically mild lesions with large plaque burden was safe, substantially enlarged the follow-up MLA, and was associated with favorable long-term clinical outcomes, warranting the performance of an adequately powered randomized trial. (PROSPECT ABSORB [Providing Regional Observations to Study Predictors of Events in the Coronary Tree II Combined with a Randomized, Controlled, Intervention Trial]; NCT02171065).
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Affiliation(s)
- Gregg W Stone
- The Zena and Michael A. Wiener Cardiovascular Institute, Icahn School of Medicine at Mount Sinai, New York, New York; Cardiovascular Research Foundation, New York, New York.
| | - Akiko Maehara
- Cardiovascular Research Foundation, New York, New York; NewYork-Presbyterian Hospital/Columbia University Irving Medical Center, New York, New York
| | - Ziad A Ali
- Cardiovascular Research Foundation, New York, New York; NewYork-Presbyterian Hospital/Columbia University Irving Medical Center, New York, New York
| | - Claes Held
- Uppsala University and Uppsala Clinical Research, Uppsala, Sweden
| | | | | | | | | | | | - Rune Wiseth
- St. Olavs Hospital, Trondheim University Hospital, Trondheim, Norway
| | - Jonas Persson
- Danderyd Hospital, Karolinska Institute, Stockholm, Sweden
| | - Thor Trovik
- University Hospital of North Norway, Tromsö, Norway
| | | | - Stefan K James
- Uppsala University and Uppsala Clinical Research, Uppsala, Sweden
| | - Gary S Mintz
- Cardiovascular Research Foundation, New York, New York
| | | | - Aaron Crowley
- Cardiovascular Research Foundation, New York, New York
| | - Ori Ben-Yehuda
- Cardiovascular Research Foundation, New York, New York; University of California San Diego, San Diego, California
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33
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Wilkinson SE, Madder RD. Intracoronary near-infrared spectroscopy-role and clinical applications. Cardiovasc Diagn Ther 2020; 10:1508-1516. [PMID: 33224770 DOI: 10.21037/cdt.2020.02.02] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/20/2023]
Abstract
Intracoronary near-infrared spectroscopy (NIRS) has been developed and validated for the detection of lipid-rich plaque in the coronary arteries. A combined NIRS and intravascular ultrasound catheter is currently in clinical use and has an emerging role in evaluating plaques both before and after percutaneous coronary intervention. NIRS has recently been shown to positively identify both vulnerable patients and vulnerable plaques. This review focuses on the principles and image interpretation of intracoronary NIRS, as well as its clinical applications, limitations, and future directions.
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Affiliation(s)
- Stephen E Wilkinson
- Frederik Meijer Heart & Vascular Institute, Spectrum Health, Grand Rapids, MI, USA
| | - Ryan D Madder
- Frederik Meijer Heart & Vascular Institute, Spectrum Health, Grand Rapids, MI, USA
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34
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Kuku KO, Singh M, Ozaki Y, Dan K, Chezar-Azerrad C, Waksman R, Garcia-Garcia HM. Near-Infrared Spectroscopy Intravascular Ultrasound Imaging: State of the Art. Front Cardiovasc Med 2020; 7:107. [PMID: 32695796 PMCID: PMC7338425 DOI: 10.3389/fcvm.2020.00107] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/15/2020] [Accepted: 05/21/2020] [Indexed: 12/13/2022] Open
Abstract
Acute coronary syndromes (ACS) secondary to coronary vessel plaques represent a major cause of cardiovascular morbidity and mortality worldwide. Advancements in imaging technology over the last 3 decades have continuously enabled the study of coronary plaques via invasive imaging methods like intravascular ultrasound (IVUS) and optical coherence tomography (OCT). The introduction of near-infrared spectroscopy (NIRS) as a modality that could detect the lipid (cholesterol) content of atherosclerotic plaques in the early nineties, opened the potential of studying “vulnerable” or rupture-prone, lipid-rich coronary plaques in ACS patients. Most recently, the ability of NIRS-IVUS to identify patients at risk of future adverse events was shown in a prospective multicenter trial, the Lipid-Rich-plaque Study. Intracoronary NIRS-IVUS imaging offers a unique method of coronary lipid-plaque characterization and could become a valuable clinical diagnostic and treatment monitoring tool.
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Affiliation(s)
- Kayode O Kuku
- MedStar Cardiovascular Research Network, MedStar Washington Hospital Center, MedStar Health Research Institute, Washington, DC, United States.,Section of Interventional Cardiology MedStar Washington Hospital Center, MedStar Heart and Vascular Institute, Washington, DC, United States.,Georgetown University Department of Medicine, Washington, DC, United States
| | - Manavotam Singh
- Section of Interventional Cardiology MedStar Washington Hospital Center, MedStar Heart and Vascular Institute, Washington, DC, United States.,Georgetown University Department of Medicine, Washington, DC, United States
| | - Yuichi Ozaki
- Section of Interventional Cardiology MedStar Washington Hospital Center, MedStar Heart and Vascular Institute, Washington, DC, United States.,Georgetown University Department of Medicine, Washington, DC, United States
| | - Kazuhiro Dan
- Section of Interventional Cardiology MedStar Washington Hospital Center, MedStar Heart and Vascular Institute, Washington, DC, United States.,Georgetown University Department of Medicine, Washington, DC, United States
| | - Chava Chezar-Azerrad
- Section of Interventional Cardiology MedStar Washington Hospital Center, MedStar Heart and Vascular Institute, Washington, DC, United States.,Georgetown University Department of Medicine, Washington, DC, United States
| | - Ron Waksman
- MedStar Cardiovascular Research Network, MedStar Washington Hospital Center, MedStar Health Research Institute, Washington, DC, United States.,Section of Interventional Cardiology MedStar Washington Hospital Center, MedStar Heart and Vascular Institute, Washington, DC, United States.,Georgetown University Department of Medicine, Washington, DC, United States
| | - Hector M Garcia-Garcia
- MedStar Cardiovascular Research Network, MedStar Washington Hospital Center, MedStar Health Research Institute, Washington, DC, United States.,Section of Interventional Cardiology MedStar Washington Hospital Center, MedStar Heart and Vascular Institute, Washington, DC, United States.,Georgetown University Department of Medicine, Washington, DC, United States
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Muller J, Madder R. OCT-NIRS Imaging for Detection of Coronary Plaque Structure and Vulnerability. Front Cardiovasc Med 2020; 7:90. [PMID: 32582767 PMCID: PMC7287010 DOI: 10.3389/fcvm.2020.00090] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/01/2019] [Accepted: 04/27/2020] [Indexed: 12/25/2022] Open
Abstract
A combination optical coherence tomography and near-infrared spectroscopy (OCT-NIRS) coronary imaging system is being developed to improve the care of coronary patients. While stenting has improved, complications continue to occur at the stented site and new events are caused by unrecognized vulnerable plaques. An OCT-NIRS device has potential to improve secondary prevention by optimizing stenting and by identifying vulnerable patients and vulnerable plaques. OCT is already in widespread use world-wide to optimize coronary artery stenting. It provides automated lumen detection and can identify features of coronary plaques not accurately identified by angiography or intravascular ultrasound. The ILUMIEN IV study, to be completed in 2022, will determine if OCT-guided stenting will yield better clinical outcomes than angiographic guidance alone. While the superb spatial resolution of OCT enables the identification of many plaque structural features, the detection by OCT of lipids, an important component of vulnerable plaques, is limited by suboptimal specificity and interobserver agreement. In contrast, NIRS has been extensively validated for lipid-rich plaque detection against the gold-standard of histology and is the only FDA-approved method to identify coronary lipids. Studies in patients have demonstrated that NIRS detects lipid in culprit lesions causing coronary events. In 2019, the positive results of the prospective Lipid-Rich Plaque Study led to FDA approval of NIRS for detection of high-risk plaques and patients. The complementarity of OCT for plaque structure and NIRS for plaque composition led to the sequential performance of NIRS and OCT imaging in patients. NIRS identified lipid while OCT determined the thickness of the cap over the lipid pool. The positive results obtained with OCT and NIRS imaging led to development of a prototype combined OCT-NIRS catheter that can provide co-registered OCT and NIRS data in a single pullback. The data will provide structural and chemical information likely to improve stenting and deliver more accurate identification of vulnerable plaques and vulnerable patients. More precise diagnosis will then lead to OCT-NIRS guided treatment trials to improve secondary prevention. Success in secondary prevention will then facilitate development of improved primary prevention with invasive imaging and effective treatment of patients identified by non-invasive methods.
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Affiliation(s)
- James Muller
- Brigham and Women's Hospital, Harvard Medical School, Boston, MA, United States
| | - Ryan Madder
- Spectrum Health, Grand Rapids, MI, United States
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Periprocedural Myocardial Injury: Pathophysiology, Prognosis, and Prevention. CARDIOVASCULAR REVASCULARIZATION MEDICINE 2020; 21:1041-1052. [PMID: 32586745 DOI: 10.1016/j.carrev.2020.04.011] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/23/2019] [Revised: 04/08/2020] [Accepted: 04/09/2020] [Indexed: 01/27/2023]
Abstract
The definition and clinical implications of myocardial infarction occurring in the setting of percutaneous coronary intervention have been the subject of unresolved controversy. The definitions of periprocedural myocardial infarction (PMI) are many and have evolved over recent years. Additionally, the recent advancement of different imaging modalities has provided useful information on a patients' pre-procedural risk of myocardial infarction. Nonetheless, questions on the benefit of different approaches to prevent PMI and their practical implementation remain open. This review aims to address these questions and to provide a current and contemporary perspective.
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Mori N, Saito Y, Saito K, Matsuoka T, Tateishi K, Kadohira T, Kitahara H, Fujimoto Y, Kobayashi Y. Relation of Plasma Xanthine Oxidoreductase Activity to Coronary Lipid Core Plaques Assessed by Near-Infrared Spectroscopy Intravascular Ultrasound in Patients With Stable Coronary Artery Disease. Am J Cardiol 2020; 125:1006-1012. [PMID: 31955828 DOI: 10.1016/j.amjcard.2019.12.043] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/01/2019] [Revised: 12/19/2019] [Accepted: 12/23/2019] [Indexed: 01/06/2023]
Abstract
Previous studies reported that elevated serum uric acid level was associated with greater coronary lipid plaque. Xanthine oxidoreductase (XOR) is a rate-limiting enzyme in purine metabolism and is believed to play important roles in coronary atherosclerosis. However, the relation between XOR and coronary lipid plaque is unclear. Patients with stable coronary artery disease who underwent elective percutaneous coronary intervention under near-infrared spectroscopy intravascular ultrasound (NIRS-IVUS) guidance were prospectively included. They were divided into 3 groups according to plasma XOR activities based on a previous report: low, normal, and high. Quantitative coronary angiography and gray-scale IVUS were analyzed. The primary end point was coronary lipid plaques in a nontarget vessel assessed by NIRS-IVUS with lipid core burden index (LCBI) and maximum LCBI in 4 mm (maxLCBI4mm). Out of 68 patients, 26, 31, and 11 patients were classified as low, normal, and high XOR activity groups. Quantitative coronary angiography demonstrated that the high XOR activity group had longer lesion length, smaller minimum lumen diameter, and higher percentage of diameter stenosis in a nontarget vessel among the 3 groups. Gray-scale IVUS analysis also showed smaller lumen area in the high XOR activity group than the others. LCBI (102.1 ± 56.5 vs 65.6 ± 48.5 vs 55.6 ± 37.8, p = 0.04) and maxLCBI4mm (474.4 ± 171.6 vs 347.4 ± 181.6, 294.0 ± 155.9, p = 0.04) in a nontarget vessel were significantly higher in the high XOR group than in the normal and low groups. In conclusion, elevated XOR activity was associated with coronary lipid-rich plaque in a nontarget vessel in patients with stable coronary artery disease.
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38
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Improving Outcomes With IVUS Guidance During Percutaneous Coronary Interventions. CURRENT TREATMENT OPTIONS IN CARDIOVASCULAR MEDICINE 2020. [DOI: 10.1007/s11936-020-00810-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 10/24/2022]
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39
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Yamamoto MH, Maehara A, Stone GW, Kini AS, Brilakis ES, Rizik DG, Shunk K, Powers ER, Tobis JM, Maini BS, Dixon SR, Goldstein JA, Petersen JL, Généreux P, Shah PR, Crowley A, Nicholls SJ, Mintz GS, Muller JE, Weisz G. 2-Year Outcomes After Stenting of Lipid-Rich and Nonrich Coronary Plaques. J Am Coll Cardiol 2020; 75:1371-1382. [DOI: 10.1016/j.jacc.2020.01.044] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/12/2019] [Revised: 12/24/2019] [Accepted: 01/20/2020] [Indexed: 12/28/2022]
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40
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Waksman R, Di Mario C, Torguson R, Ali ZA, Singh V, Skinner WH, Artis AK, Cate TT, Powers E, Kim C, Regar E, Wong SC, Lewis S, Wykrzykowska J, Dube S, Kazziha S, van der Ent M, Shah P, Craig PE, Zou Q, Kolm P, Brewer HB, Garcia-Garcia HM. Identification of patients and plaques vulnerable to future coronary events with near-infrared spectroscopy intravascular ultrasound imaging: a prospective, cohort study. Lancet 2019; 394:1629-1637. [PMID: 31570255 DOI: 10.1016/s0140-6736(19)31794-5] [Citation(s) in RCA: 254] [Impact Index Per Article: 50.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/12/2019] [Revised: 07/17/2019] [Accepted: 07/22/2019] [Indexed: 12/13/2022]
Abstract
BACKGROUND Near-infrared spectroscopy (NIRS) intravascular ultrasound imaging can detect lipid-rich plaques (LRPs). LRPs are associated with acute coronary syndromes or myocardial infarction, which can result in revascularisation or cardiac death. In this study, we aimed to establish the relationship between LRPs detected by NIRS-intravascular ultrasound imaging at unstented sites and subsequent coronary events from new culprit lesions. METHODS In this prospective, cohort study (LRP), patients from 44 medical centres were enrolled in Italy, Latvia, Netherlands, Slovakia, UK, and the USA. Patients with suspected coronary artery disease who underwent cardiac catheterisation with possible ad hoc percutaneous coronary intervention were eligible to be enrolled. Enrolled patients underwent scanning of non-culprit segments using NIRS-intravascular ultrasound imaging. The study had two hierarchal primary hypotheses, patient and plaque, each testing the association between maximum 4 mm Lipid Core Burden Index (maxLCBI4mm) and non-culprit major adverse cardiovascular events (NC-MACE). Enrolled patients with large LRPs (≥250 maxLCBI4mm) and a randomly selected half of patients with small LRPs (<250 maxLCBI4mm) were followed up for 24 months. This study is registered with ClinicalTrials.gov, NCT02033694. FINDINGS Between Feb 21, 2014, and March 30, 2016, 1563 patients were enrolled. NIRS-intravascular ultrasound device-related events were seen in six (0·4%) patients. 1271 patients (mean age 64 years, SD 10, 883 [69%] men, 388 [31%]women) with analysable maxLCBI4mm were allocated to follow-up. The 2-year cumulative incidence of NC-MACE was 9% (n=103). Both hierarchical primary hypotheses were met. On a patient level, the unadjusted hazard ratio (HR) for NC-MACE was 1·21 (95% CI 1·09-1·35; p=0·0004) for each 100-unit increase maxLCBI4mm) and adjusted HR 1·18 (1·05-1·32; p=0·0043). In patients with a maxLCBI4mm more than 400, the unadjusted HR for NC-MACE was 2·18 (1·48-3·22; p<0·0001) and adjusted HR was 1·89 (1·26-2·83; p=0·0021). At the plaque level, the unadjusted HR was 1·45 (1·30-1·60; p<0·0001) for each 100-unit increase in maxLCBI4mm. For segments with a maxLCBI4mm more than 400, the unadjusted HR for NC-MACE was 4·22 (2·39-7·45; p<0·0001) and adjusted HR was 3·39 (1·85-6·20; p<0·0001). INTERPRETATION NIRS imaging of non-obstructive territories in patients undergoing cardiac catheterisation and possible percutaneous coronary intervention was safe and can aid in identifying patients and segments at higher risk for subsequent NC-MACE. NIRS-intravascular ultrasound imaging adds to the armamentarium as the first diagnostic tool able to detect vulnerable patients and plaques in clinical practice. FUNDING Infraredx.
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Affiliation(s)
- Ron Waksman
- MedStar Washington Hospital Center, Washington, DC, USA.
| | | | | | - Ziad A Ali
- New York Presbyterian/Columbia University Medical Center, New York, NY & Cardiovascular Research Foundation, New York, NY, USA
| | | | | | | | | | - Eric Powers
- Medical University of South Carolina Hospital, Charleston, SC, USA
| | | | | | - S Chiu Wong
- NewYork-Presbyterian/Weill Cornell Medical Center, New York, NY, USA
| | | | | | - Sandeep Dube
- Community Heart and Vascular, Indianapolis, IN, USA
| | | | | | | | - Paige E Craig
- MedStar Washington Hospital Center, Washington, DC, USA
| | - Quan Zou
- MedStar Washington Hospital Center, Washington, DC, USA
| | - Paul Kolm
- MedStar Washington Hospital Center, Washington, DC, USA
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Kikuchi Y, Takahashi J, Hao K, Sato K, Sugisawa J, Tsuchiya S, Suda A, Shindo T, Ikeda S, Shiroto T, Matsumoto Y, Miyata S, Sakata Y, Shimokawa H. Usefulness of intracoronary administration of fasudil, a selective Rho-kinase inhibitor, for PCI-related refractory myocardial ischemia. Int J Cardiol 2019; 297:8-13. [PMID: 31611086 DOI: 10.1016/j.ijcard.2019.09.057] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/23/2019] [Revised: 08/30/2019] [Accepted: 09/25/2019] [Indexed: 10/25/2022]
Abstract
BACKGROUND Intra-procedural myocardial ischemia as an iatrogenic complication still remains a critical issue in contemporary interventional cardiology. The aim of this study was to examine the usefulness of fasudil, a selective Rho-kinase inhibitor, for percutaneous coronary intervention (PCI)-related myocardial ischemia. METHODS Among 448 PCI sessions performed between October 2015 and December 2017, we retrospectively examined 36 patients (69.0 ± 9.1 [SD] yrs., M/F 26/10) who underwent intracoronary administration of fasudil during a procedure to resolve myocardial ischemia that was resistant to intracoronary nitrate administration. RESULTS The refractory myocardial ischemia was caused by distal embolization (69%), enhanced vasoconstriction at distal site of chronic total occlusion (11%), coronary spasm (11%), and coronary dissection (8%), most of which occurred immediately after balloon or stent dilatation. Intracoronary fasudil significantly improved corrected TIMI frame count (from 37 [30-56] to 24 [12-36]) and TIMI flow grade (from 2 [1-2.5] to 3 [2-3]) (both P < 0.001). Finally, 86% of all subjects successfully obtained TIMI flow grade 3 at the end of the procedure. Intracoronary fasudil tended to be more effective in patients with an attenuated plaque detected by intravascular ultrasound. Importantly, among the 19 elective cases, fasudil successfully prevented 17 patients from developing post-procedure myocardial infarction. Although fasudil-induced transient hypotension requiring a vasopressor was noted in 22% of the subjects, no other adverse effects were noted. CONCLUSIONS These results indicate that fasudil is a useful and safe therapeutic option for PCI-related myocardial ischemia refractory intracoronary nitrate.
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Affiliation(s)
- Yoku Kikuchi
- Departments of Cardiovascular Medicine, Tohoku University Graduate School of Medicine, Sendai, Japan
| | - Jun Takahashi
- Departments of Cardiovascular Medicine, Tohoku University Graduate School of Medicine, Sendai, Japan
| | - Kiyotaka Hao
- Departments of Cardiovascular Medicine, Tohoku University Graduate School of Medicine, Sendai, Japan
| | - Koichi Sato
- Departments of Cardiovascular Medicine, Tohoku University Graduate School of Medicine, Sendai, Japan
| | - Jun Sugisawa
- Departments of Cardiovascular Medicine, Tohoku University Graduate School of Medicine, Sendai, Japan
| | - Satoshi Tsuchiya
- Departments of Cardiovascular Medicine, Tohoku University Graduate School of Medicine, Sendai, Japan
| | - Akira Suda
- Departments of Cardiovascular Medicine, Tohoku University Graduate School of Medicine, Sendai, Japan
| | - Tomohiko Shindo
- Departments of Cardiovascular Medicine, Tohoku University Graduate School of Medicine, Sendai, Japan
| | - Shohei Ikeda
- Departments of Cardiovascular Medicine, Tohoku University Graduate School of Medicine, Sendai, Japan
| | - Takashi Shiroto
- Departments of Cardiovascular Medicine, Tohoku University Graduate School of Medicine, Sendai, Japan
| | - Yasuharu Matsumoto
- Departments of Cardiovascular Medicine, Tohoku University Graduate School of Medicine, Sendai, Japan
| | - Satoshi Miyata
- Evidenced-based Cardiovascular Medicine, Tohoku University Graduate School of Medicine, Sendai, Japan
| | - Yasuhiko Sakata
- Departments of Cardiovascular Medicine, Tohoku University Graduate School of Medicine, Sendai, Japan
| | - Hiroaki Shimokawa
- Departments of Cardiovascular Medicine, Tohoku University Graduate School of Medicine, Sendai, Japan; Evidenced-based Cardiovascular Medicine, Tohoku University Graduate School of Medicine, Sendai, Japan.
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Madjid M, Safavi-Naeini P, Lodder R. High prevalence of cholesterol-rich atherosclerotic lesions in ancient mummies: A near-infrared spectroscopy study. Am Heart J 2019; 216:113-116. [PMID: 31422195 DOI: 10.1016/j.ahj.2019.06.018] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/24/2019] [Accepted: 06/29/2019] [Indexed: 10/26/2022]
Abstract
Computed tomography has been used previously in mummies to detect arterial calcification, which is a marker of later-stage atherosclerosis. Here, using the novel approach of near-infrared spectroscopy, we detected cholesterol-rich atherosclerotic plaques in arterial samples from ancient mummies. In this proof-of-concept study, we are the first to noninvasively detect these earlier-stage lesions in mummies from different geographical areas, suggesting that atherosclerosis has been present in humans since ancient times.
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Majeed K, Hartman E, Mori TA, Alcock R, Spiro J, Ligthart J, Witberg K, Hillis G, van Soest G, Schultz C. The Effect of Stent Artefact on Quantification of Plaque Features Using Optical Coherence Tomography (OCT): A Feasibility and Clinical Utility Study. Heart Lung Circ 2019; 29:874-882. [PMID: 31353214 DOI: 10.1016/j.hlc.2019.05.182] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/29/2018] [Revised: 05/15/2019] [Accepted: 05/24/2019] [Indexed: 11/18/2022]
Abstract
BACKGROUND Optical coherence tomography (OCT) can detect detailed plaque features in native coronary arteries. Stent struts cause shadows that partially obscure the vessel wall, but plaque features can still be seen. We investigated the impact of stent artefact on plaque quantification and whether the plaque behind struts is associated with microvascular dysfunction. METHODS Patients retrospectively recruited from two centres, underwent OCT pre- and post-stenting on the same vessel segment. Lipid (LA) and calcium (CA) were measured as arcs. Macrophages, microchannels and cholesterol crystals were counted. Subsequently, we determined whether stented plaque features were associated with reduced Thrombolysis in Myocardial Infarction (TIMI) flow grade in consecutive patients who underwent OCT post-stenting. RESULTS In 52 patients the lipid arc was similar pre- vs post-stent: median (55º [13º-93º] vs. 40º [18º-87°]; difference 1º [-7º to 16º], p = NS). Pre- and post-stent lipid were strongly correlated (r = 0.92, p < 0.001). In a further 128 patients those with reduced (TIMI ≤ II) vs normal flow post percutaneous coronary intervention (PCI) showed more plaque behind struts: lipid (89º [50º-139º] vs 62º [29º-88°]; p < 0.001); and calcium (24º [6º-45º] vs 7° [0º-34º]; p = 0.031). Multivariate logistic regression analysis showed that abnormal TIMI flow post-stenting was associated with diabetes (Odds ratio [OR] 2.87, CI 1.01-8.19, p = 0.048), LA (OR 1.29, 95% CI 1.14-1.38, p < 0.001) and CA (OR 1.26, CI 1.07-1.40, p = 0.005). CONCLUSIONS Plaque behind the struts can be accurately quantified using OCT. Furthermore, OCT plaque features in stented segments are associated with microvascular dysfunction post PCI.
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Affiliation(s)
- Kamran Majeed
- Department of Cardiology, Royal Perth Hospital, Perth, WA, Australia; Medical School, University of Western Australia, Perth, WA, Australia.
| | - Eline Hartman
- Thorax Centre, Erasmus University Medical Centre, Rotterdam, The Netherlands
| | - Trevor A Mori
- Medical School, University of Western Australia, Perth, WA, Australia
| | - Richard Alcock
- Department of Cardiology, Royal Perth Hospital, Perth, WA, Australia
| | - Jon Spiro
- Department of Cardiology, Royal Perth Hospital, Perth, WA, Australia
| | - Jurgen Ligthart
- Thorax Centre, Erasmus University Medical Centre, Rotterdam, The Netherlands
| | - Karen Witberg
- Thorax Centre, Erasmus University Medical Centre, Rotterdam, The Netherlands
| | - Graham Hillis
- Department of Cardiology, Royal Perth Hospital, Perth, WA, Australia; Medical School, University of Western Australia, Perth, WA, Australia
| | - Gijs van Soest
- Thorax Centre, Erasmus University Medical Centre, Rotterdam, The Netherlands; Optical and Biomedical Engineering Laboratory, School of Electrical Engineering, University of Western Australia, Perth, WA, Australia
| | - Carl Schultz
- Department of Cardiology, Royal Perth Hospital, Perth, WA, Australia; Medical School, University of Western Australia, Perth, WA, Australia
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Yang HM, Yoon MH, Lim HS, Seo KW, Choi BJ, Choi SY, Hwang GS, Tahk SJ. Lipid-Core Plaque Assessed by Near-Infrared Spectroscopy and Procedure Related Microvascular Injury. Korean Circ J 2019; 49:1010-1018. [PMID: 31456364 PMCID: PMC6813158 DOI: 10.4070/kcj.2019.0072] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/25/2019] [Revised: 04/23/2019] [Accepted: 06/11/2019] [Indexed: 11/11/2022] Open
Abstract
Background and Objectives Microvascular damage due to distal embolization during percutaneous coronary intervention (PCI) is an important cause of periprocedural myocardial infarction. We assessed the lipid-core plaque using near-infrared spectroscopy (NIRS) and microvascular dysfunction invasively with the index of microcirculatory resistance (IMR) and evaluated their relationship. Methods This study is pilot retrospective observational study. We analyzed 39 patients who performed NIRS before and after PCI, while fractional flow reserve, thermo-dilution coronary flow reserve (CFR) and IMR were measured after PCI. The maximum value of lipid core burden index (LCBI) for any of the 4-mm segments at the culprit lesion (culprit LCBI4mm) was calculated at the culprit lesion. We divided the patients into 2 groups using a cutoff of culprit LCBI4mm ≥500. Results Mean pre-PCI LCBI was 333±196 and mean post-PCI IMR was 20±14 U. Post-PCI IMR was higher (15.6±7.3 vs. 42.6±17.6 U, p<0.001) and post-PCI CFR was lower (3.7±2.2 vs. 2.1±1.0, p=0.029) in the high LCBI group. Pre-PCI LCBI was positively correlated with post-PCI IMR (ρ=0.358, p=0.025) and negatively correlated with post-PCI CFR (ρ=−0.494, p=0.001). The incidence of microvascular dysfunction (IMR ≥25 U) was higher in the high LCBI group (9.4% vs. 85.7%, p<0.001). However, there were no significant differences in the incidences of creatine Kinase-MB (9.4% vs. 14.3%, p=0.563) and troponin-I elevation (12.5% vs. 14.3%, p=1.000). Conclusions A large lipid-core plaque at the ‘culprit’ lesion is observed higher incidence of post-PCI microvascular dysfunction after PCI. Prospective study with adequate subject numbers will be needed.
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Affiliation(s)
- Hyoung Mo Yang
- Department of Cardiology, Ajou University School of Medicine, Suwon, Korea
| | - Myeong Ho Yoon
- Department of Cardiology, Ajou University School of Medicine, Suwon, Korea.
| | - Hong Seok Lim
- Department of Cardiology, Ajou University School of Medicine, Suwon, Korea
| | - Kyoung Woo Seo
- Department of Cardiology, Ajou University School of Medicine, Suwon, Korea
| | - Byoung Joo Choi
- Department of Cardiology, Ajou University School of Medicine, Suwon, Korea
| | - So Yeon Choi
- Department of Cardiology, Ajou University School of Medicine, Suwon, Korea
| | - Gyo Seung Hwang
- Department of Cardiology, Ajou University School of Medicine, Suwon, Korea
| | - Seung Jea Tahk
- Department of Cardiology, Ajou University School of Medicine, Suwon, Korea
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Role of Near-Infrared Spectroscopy (NIRS) in Intracoronary Imaging. CURRENT CARDIOVASCULAR IMAGING REPORTS 2019. [DOI: 10.1007/s12410-019-9510-8] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/16/2023]
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Štěchovský C, Hájek P, Horváth M, Veselka J. Effect of stenting on the near-infrared spectroscopy-derived lipid core burden index of carotid artery plaque. EUROINTERVENTION 2019; 15:e289-e296. [PMID: 29957596 DOI: 10.4244/eij-d-17-01054] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
Abstract
AIMS Catheter-based intravascular near-infrared spectroscopy (NIRS) detects a lipid signal from atherosclerotic plaque. The aim of this study was to describe the effect of carotid artery stenting (CAS) on the lipid signal in a carotid stenosis. METHODS AND RESULTS We performed NIRS combined with intravascular ultrasound (IVUS) during 120 CAS procedures. Minimal luminal area (MLA) and plaque burden (PB) at the site of MLA were measured with IVUS and lipid core burden index (LCBI), maximal LCBI in a 4 mm segment of the artery (LCBImax) and LCBI in a 4 mm segment at the site of MLA (LCBImla) with NIRS-derived chemograms. NIRS-IVUS imaging was performed at baseline, after stent implantation and after balloon post-dilatation. The most common lesion type was the fibrocalcific plaque (76%). Lipid-rich plaque (LCBImax ≥400) was present in 33% of carotid stenoses and in 20% at the site of MLA. Median MLA increased significantly from baseline to stent implantation (3.63 mm2 to 5.56 mm2, p<0.001) and to post-dilatation (5.56 mm2 to 12.03 mm2, p<0.001). Median LCBI, LCBImax and LCBImla significantly decreased from baseline to stent implantation: LCBI (60 to 8, p<0.001), LCBImax (294 to 60, p<0.001) and LCBImla (124 to 0, p<0.001). Post-dilatation of the stent had no further significant effect on median LCBI (8 to 5, p=0.890), LCBImax (60 to 50, p=0.690) and LCBImla (0 to 0, p=0.438). CONCLUSIONS Carotid artery stenting significantly reduced the NIRS-derived lipid core burden index at the stented segment.
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Affiliation(s)
- Cyril Štěchovský
- Department of Cardiology, Second Faculty of Medicine, Charles University, University Hospital Motol, Prague, Czech Republic
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Tsou Y, Wang B, Ho W, Hu B, Tang P, Sweet S, Zhang X, Xu X. Nanotechnology-Mediated Drug Delivery for the Treatment of Obesity and Its Related Comorbidities. Adv Healthc Mater 2019; 8:e1801184. [PMID: 30938934 DOI: 10.1002/adhm.201801184] [Citation(s) in RCA: 17] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/21/2018] [Revised: 01/14/2019] [Indexed: 12/14/2022]
Abstract
Obesity is a serious health issue affecting humanity on a global scale. Recognized by the American Medical Association as a chronic disease, the incidence of obesity continues to grow at an accelerating rate and obesity has become one of the major threats to human health. Excessive weight gain is tied to metabolic syndrome, which is shown to increase the risk of chronic diseases, such as heart disease and type 2 diabetes, taxing an already overburdened healthcare system and increasing mortality worldwide. Available treatments such as bariatric surgery and pharmacotherapy are often accompanied by adverse side effects and poor patient compliance. Nanotechnology, an emerging technology with a wide range of biomedical applications, has provided an unprecedented opportunity to improve the treatment of many diseases, including obesity. This review provides an introduction to obesity and obesity-related comorbidities. The most recent developments of nanotechnology-based drug delivery strategies are highlighted and discussed. Additionally, challenges and consideration for the development of nanoformulations with translational potential are discussed. The overall objective of this review is to enhance the understanding of the design and development of nanomedicine for treatments of obesity and related comorbidities.
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Affiliation(s)
- Yung‐Hao Tsou
- Department of Chemical and Materials Engineering New Jersey Institute of Technology Newark NJ 07102 USA
| | - Bin Wang
- Engineering Research Center of Cell and Therapeutic Antibody Ministry of Education School of Pharmacy Shanghai Jiao Tong University 800 Dongchuan Road Shanghai 200240 P. R. China
| | - William Ho
- Department of Chemical and Materials Engineering New Jersey Institute of Technology Newark NJ 07102 USA
| | - Bin Hu
- Engineering Research Center of Cell and Therapeutic Antibody Ministry of Education School of Pharmacy Shanghai Jiao Tong University 800 Dongchuan Road Shanghai 200240 P. R. China
| | - Pei Tang
- Engineering Research Center of Cell and Therapeutic Antibody Ministry of Education School of Pharmacy Shanghai Jiao Tong University 800 Dongchuan Road Shanghai 200240 P. R. China
| | - Sydney Sweet
- Department of Chemical and Materials Engineering New Jersey Institute of Technology Newark NJ 07102 USA
| | - Xue‐Qing Zhang
- Engineering Research Center of Cell and Therapeutic Antibody Ministry of Education School of Pharmacy Shanghai Jiao Tong University 800 Dongchuan Road Shanghai 200240 P. R. China
| | - Xiaoyang Xu
- Department of Chemical and Materials Engineering New Jersey Institute of Technology Newark NJ 07102 USA
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Qu WB, Zhang W, Liu JY, Zhang F, Mu SN, Zhang SM, Tang H, Liu XQ, Li XQ, Liu BC. Modified balloon-stent kissing technique avoid side-branch compromise for simple true bifurcation lesions. BMC Cardiovasc Disord 2019; 19:89. [PMID: 30961533 PMCID: PMC6454702 DOI: 10.1186/s12872-019-1052-0] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/20/2018] [Accepted: 03/18/2019] [Indexed: 01/25/2023] Open
Abstract
Background Coronary bifurcation remains one of the most challenging lesion subsets in interventinal cardiology. Provisional stenting (PS) is the dominate technique for bifurcation lesions, but the key problem is the deterioration of side branch. Balloon-stent kissing technique (BSKT) as a new systematic approach which is based on modified jailed balloon technique is applied to improve the procedure success. In our center, we proposed a modified balloon-stent kissing technique(M-BSKT), which routine usage of proximal optimizing technique (POT) after rewiring was added as an optimization step to BSKT. Thus, whether M-BSKT for addressing simple true coronary bifurcation lesions can provide more benefits in intra-operation effect and long term outcomes is still unknown. Methods A cohort of 120 consecutive patients underwent Percutaneous Coronary Intervention (PCI) with simple true coronary bifurcation lesions satisfied the criteria were included in this retrospective, single-center registry. To assemble a cohort with similar baseline characteristics, a 1:1 propensity-matched score was used. The primary outcomes were the rate of device and procedural success, the situation of side branch (SB) after main vessel (MV) inflation and the complications during intra-operative. The secondary outcomes were the clinical prognosis at 12 months such as rehospitalization for unstable angina and MACEs. Results Before propensity matching, there were no significant differences in primary and secondary outcomes between two groups. After propensity-matched was used, 68 patients with similar propensity scores were included. At immediate procedural, M-BSKT was associated with a lower risk of SB deterioration and the application of final kissing balloon inflation (FKBI)[P = 0.036]. For ACS patients, besides the significant differences of immediate SB deterioration [P = 0.014] and FKBI application [P = 0.033], the incidence of TIMI flow< 3 in the PS was statistically significant higher than M-BSKT [P= 0.042]. The prognosis at 12 months such as rehospitalization for unstable angina and MACEs were similar for two groups [P = 0.613]. Conclusion These observations prove that the M-BSKT enables side branch to be better protected in simple true bifurcation lesions, by a narrow margin. It may improve the angiographic outcomes about side branch deterioration and final kissing balloon performing compared with PS, especially in ACS patients. However, long-term clinical outcomes did not differ between patients treated for M-BSKT and PS at 12 months.
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Affiliation(s)
- Wen-Bo Qu
- Department of Cardiology, The Fourth Affiliated Hospital of Harbin Medical University, Harbin, Heilongjiang, 150086, People's Republic of China
| | - Wei Zhang
- Department of Cardiology, The Fourth Affiliated Hospital of Harbin Medical University, Harbin, Heilongjiang, 150086, People's Republic of China
| | - Jun-Yan Liu
- Department of Cardiology, The Fourth Affiliated Hospital of Harbin Medical University, Harbin, Heilongjiang, 150086, People's Republic of China
| | - Fan Zhang
- Department of Cardiology, The Fourth Affiliated Hospital of Harbin Medical University, Harbin, Heilongjiang, 150086, People's Republic of China
| | - Shuai-Nan Mu
- Department of Cardiology, The Fourth Affiliated Hospital of Harbin Medical University, Harbin, Heilongjiang, 150086, People's Republic of China
| | - Sheng-Ming Zhang
- Department of Cardiology, The Fourth Affiliated Hospital of Harbin Medical University, Harbin, Heilongjiang, 150086, People's Republic of China
| | - Hao Tang
- Department of Cardiology, The Fourth Affiliated Hospital of Harbin Medical University, Harbin, Heilongjiang, 150086, People's Republic of China
| | - Xi-Qian Liu
- Department of Cardiology, The Fourth Affiliated Hospital of Harbin Medical University, Harbin, Heilongjiang, 150086, People's Republic of China
| | - Xue-Qi Li
- Department of Cardiology, The Fourth Affiliated Hospital of Harbin Medical University, Harbin, Heilongjiang, 150086, People's Republic of China.
| | - Bing-Chen Liu
- Department of Cardiology, The Fourth Affiliated Hospital of Harbin Medical University, Harbin, Heilongjiang, 150086, People's Republic of China.
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Giannopoulos AA, Benz DC, Gräni C, Buechel RR. Imaging the event-prone coronary artery plaque. J Nucl Cardiol 2019; 26:141-153. [PMID: 28685252 DOI: 10.1007/s12350-017-0982-0] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/13/2017] [Revised: 06/19/2017] [Indexed: 12/18/2022]
Abstract
Acute coronary events, the dreaded manifestation of coronary atherosclerosis, remain one of the main contributors to mortality and disability in the developed world. The majority of those events are associated with atherosclerotic plaques-related thrombus formation following an acute disruption, that being rupture or erosion, of an event-prone lesion. These historically termed vulnerable plaques have been the target of numerous benchtop and clinical research endeavors, yet to date without solid results that would allow for early identification and potential treatment. Technological leaps in cardiovascular imaging have provided novel insights into the formation and role of the event-prone plaques. From intracoronary optical coherence tomography that has enhanced our understanding of the pathophysiological mechanisms of plaque disruption, over coronary computed tomography angiography that enables non-invasive serial plaque imaging, and positron emission tomography poised to be rapidly implemented into clinical practice to the budding field of plaque imaging with cardiac magnetic resonance, we summarize the invasive and non-invasive imaging modalities currently available in our armamentarium. Finally, the current status and potential future imaging directions are critically appraised.
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Affiliation(s)
- Andreas A Giannopoulos
- Department of Nuclear Medicine, Cardiac Imaging, University Hospital Zurich, Ramistrasse 100, 8091, Zurich, Switzerland
| | - Dominik C Benz
- Department of Nuclear Medicine, Cardiac Imaging, University Hospital Zurich, Ramistrasse 100, 8091, Zurich, Switzerland
| | - Christoph Gräni
- Department of Nuclear Medicine, Cardiac Imaging, University Hospital Zurich, Ramistrasse 100, 8091, Zurich, Switzerland
| | - Ronny R Buechel
- Department of Nuclear Medicine, Cardiac Imaging, University Hospital Zurich, Ramistrasse 100, 8091, Zurich, Switzerland.
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Coronary plaque redistribution after stent implantation is determined by lipid composition: A NIRS-IVUS analysis. Cardiol J 2018; 27:238-245. [PMID: 30246238 DOI: 10.5603/cj.a2018.0111] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/08/2018] [Accepted: 09/11/2018] [Indexed: 11/25/2022] Open
Abstract
BACKGROUND The composition of plaque impacts the results of stenting. The following study evaluated plaque redistribution related to stent implantation using combined near-infrared spectroscopy and intravascular ultrasound (NIRS-IVUS) imaging. METHODS The present study included 49 patients (mean age 66 ± 11 years, 75% males) presenting with non-ST elevation myocardial infarction (8%), unstable angina (49%) and stable coronary artery disease (43%). The following parameters were analyzed: mean plaque volume (MPV, mm3), plaque burden (PB, %), remodeling index (RI), and maximal lipid core burden index in a 4 mm segment (maxLCBI4mm). High-lipid burden lesions (HLB) were defined as by maxLCBI4mm > 265 with positive RI. Otherwise plaques were defined as low-lipid burden lesions (LLB). Measurements were done in the target lesion and in 4 mm edges of the stent before and after stent implantation. RESULTS MPV and maxLCBI4mm decreased in both HLB (MPV 144.70 [80.47, 274.25] vs. 97.60 [56.82, 223.45]; maxLCBI4mm: 564.11 ± 166.82 vs. 258.11 ± 234.24, p = 0.004) and LLB (MPV: 124.50 [68.00, 186.20] vs. 101.10 [67.87, 165.95]; maxLCBI4mm: 339.07 ± 268.22 vs. 124.60 ± 160.96, p < 0.001), but MPV decrease was greater in HLB (28.00 [22.60, 57.10] vs. 13.50 [1.50, 28.84], p = 0.019). Only at the proximal stent edge of LLB, maxLCBI4mm decreased (34 [0, 207] vs. 0 [0, 45], p = 0.049) and plaque burden increased (45.48 [40.34, 51.55] vs. 51.75 [47.48, 55.76], p = 0.030). CONCLUSIONS NIRS-IVUS defined HLB characterized more significant decreases in plaque volume by stenting. Plaque redistribution to the proximal edge of the implanted stent occurred only in LLB.
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