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New Imaging Methods of Coronary Arteries in Acute Coronary Syndromes

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Title: New Imaging Methods of Coronary Arteries in Acute Coronary Syndromes
Authors: Hlinomaz Ota, Groch Ladislav, Sitar Jan, Rezek Michal, Seménka Jiří, Novák Martin, Penkov Nikolay
Source: Journal of Cardiovascular Emergencies, Vol 1, Iss 2, Pp 56-64 (2015)
Publisher Information: Sciendo, 2015.
Publication Year: 2015
Collection: LCC:Diseases of the circulatory (Cardiovascular) system
Subject Terms: optical coherence tomography, near infrared spectroscopy, intravascular ultrasound, atherosclerotic plaque, Diseases of the circulatory (Cardiovascular) system, RC666-701
More Details: Coronary angiography is still the most widely used method for the assessment of lumen of coronary arteries and for diagnosis and treatment of coronary artery disease. New imaging modalities of coronary arteries play an increasing role in interventional cardiology. Intravascular ultrasound (IVUS) is the oldest technology, however due to its high tissue penetration remains very important for imaging of left main coronary artery and saphenous vein grafts. IVUS was used in many clinical trials and clinical experience with it is huge. Optical coherence tomography (OCT) is a new, very fast developing method. It has ten times higher axial resolution than IVUS. It gives us the opportunity to assess the inner structures of coronary artery wall, to evaluate the characteristics of atherosclerotic plaques, quality of stent implantation and its healing. It helps us to find the culprit lesion of acute coronary syndrome in some cases, to diagnose the cause of stent thrombosis, and to evaluate stent apposition which has a direct relation to prognosis. We use it to perform complex percutaneous coronary interventions and after heart transplantation to diagnose the vascular graft disease. We strongly believe that OCT is important for the assessment of plaque instability and patient´s prognosis. Near infrared spectroscopy combined with IVUS can distinguish fibrous from lipid core plaques. Lipid core burden index is in relation to a risk of periprocedural myocardial infarction and to prognosis. It is the only method which can sufficiently detect the amount of lipids in coronary wall.
Document Type: article
File Description: electronic resource
Language: English
ISSN: 2457-5518
2015-0008
Relation: https://doaj.org/toc/2457-5518
DOI: 10.1515/jce-2015-0008
Access URL: https://doaj.org/article/af9e55548f43481cb69dacd66304980a
Accession Number: edsdoj.f9e55548f43481cb69dacd66304980a
Database: Directory of Open Access Journals
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  Data: <searchLink fieldCode="AR" term="%22Hlinomaz+Ota%22">Hlinomaz Ota</searchLink><br /><searchLink fieldCode="AR" term="%22Groch+Ladislav%22">Groch Ladislav</searchLink><br /><searchLink fieldCode="AR" term="%22Sitar+Jan%22">Sitar Jan</searchLink><br /><searchLink fieldCode="AR" term="%22Rezek+Michal%22">Rezek Michal</searchLink><br /><searchLink fieldCode="AR" term="%22Seménka+Jiří%22">Seménka Jiří</searchLink><br /><searchLink fieldCode="AR" term="%22Novák+Martin%22">Novák Martin</searchLink><br /><searchLink fieldCode="AR" term="%22Penkov+Nikolay%22">Penkov Nikolay</searchLink>
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  Data: Journal of Cardiovascular Emergencies, Vol 1, Iss 2, Pp 56-64 (2015)
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  Data: <searchLink fieldCode="DE" term="%22optical+coherence+tomography%22">optical coherence tomography</searchLink><br /><searchLink fieldCode="DE" term="%22near+infrared+spectroscopy%22">near infrared spectroscopy</searchLink><br /><searchLink fieldCode="DE" term="%22intravascular+ultrasound%22">intravascular ultrasound</searchLink><br /><searchLink fieldCode="DE" term="%22atherosclerotic+plaque%22">atherosclerotic plaque</searchLink><br /><searchLink fieldCode="DE" term="%22Diseases+of+the+circulatory+%28Cardiovascular%29+system%22">Diseases of the circulatory (Cardiovascular) system</searchLink><br /><searchLink fieldCode="DE" term="%22RC666-701%22">RC666-701</searchLink>
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  Data: Coronary angiography is still the most widely used method for the assessment of lumen of coronary arteries and for diagnosis and treatment of coronary artery disease. New imaging modalities of coronary arteries play an increasing role in interventional cardiology. Intravascular ultrasound (IVUS) is the oldest technology, however due to its high tissue penetration remains very important for imaging of left main coronary artery and saphenous vein grafts. IVUS was used in many clinical trials and clinical experience with it is huge. Optical coherence tomography (OCT) is a new, very fast developing method. It has ten times higher axial resolution than IVUS. It gives us the opportunity to assess the inner structures of coronary artery wall, to evaluate the characteristics of atherosclerotic plaques, quality of stent implantation and its healing. It helps us to find the culprit lesion of acute coronary syndrome in some cases, to diagnose the cause of stent thrombosis, and to evaluate stent apposition which has a direct relation to prognosis. We use it to perform complex percutaneous coronary interventions and after heart transplantation to diagnose the vascular graft disease. We strongly believe that OCT is important for the assessment of plaque instability and patient´s prognosis. Near infrared spectroscopy combined with IVUS can distinguish fibrous from lipid core plaques. Lipid core burden index is in relation to a risk of periprocedural myocardial infarction and to prognosis. It is the only method which can sufficiently detect the amount of lipids in coronary wall.
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