| Use of preintervention intravascular ultrasound in patients with acute myocardial infarction. | |
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MedLine Citation:
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PMID: 11809425 Owner: NLM Status: MEDLINE |
Abstract/OtherAbstract:
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This study was designed to determine whether preintervention intravascular ultrasound (IVUS) imaging can assist in predicting the likelihood of acute coronary occlusion after primary angioplasty. Primary angioplasty is in widespread use for the treatment of acute myocardial infarction (AMI), although its usefulness is sometimes compromised by postprocedural acute coronary occlusion. If preintervention IVUS could be used to predict acute coronary occlusion, the task of determining treatment strategies for AMI would be significantly eased. Preintervention IVUS was performed without complications in 46 patients with AMI using manually prepared contrast medium. Coronary angiography was performed 1 hour after successful percutaneous transluminal coronary angioplasty. Acute coronary occlusion was seen in 13 of 46 patients (28%). There were no differences in the clinical characteristics and angiographic results between the patients with and without occlusion. In patients with acute occlusion, the incidence of eccentric plaque (85% vs 36%, p <0.01) and echolucent area (92% vs 15%, p <0.01) was significantly higher than in the occlusion-free patients. Most of the echolucent areas were associated with eccentric plaques (88%). Eccentric plaques characterized by echolucent areas are prone to acute occlusion after primary balloon angioplasty for AMI. Preintervention IVUS is both a safe and a useful adjunct to primary angioplasty. |
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Authors:
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Atsushi Tanaka; Takahiko Kawarabayashi; Haruyuki Taguchi; Yoshiharu Nishibori; Tsunemori Sakamoto; Yukio Nishida; Junichi Yoshikawa |
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Publication Detail:
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Type: Evaluation Studies; Journal Article |
Journal Detail:
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Title: The American journal of cardiology Volume: 89 ISSN: 0002-9149 ISO Abbreviation: Am. J. Cardiol. Publication Date: 2002 Feb |
Date Detail:
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Created Date: 2002-01-25 Completed Date: 2002-02-21 Revised Date: 2004-11-17 |
Medline Journal Info:
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Nlm Unique ID: 0207277 Medline TA: Am J Cardiol Country: United States |
Other Details:
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Languages: eng Pagination: 257-61 Citation Subset: AIM; IM |
Affiliation:
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Baba Memorial Hospital, Sakai, Japan. m4497147@msic.med.osaka-cu.ac.jp |
Export Citation:
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| MeSH Terms | |
Descriptor/Qualifier:
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Angioplasty, Transluminal, Percutaneous Coronary* Coronary Restenosis / prevention & control*, ultrasonography* Female Humans Male Middle Aged Myocardial Infarction / therapy* Predictive Value of Tests Ultrasonography / standards |
From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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