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Etiology and Clinical Implications of Microvascular Dysfunction in Patients With Acute Myocardial Infarction.
MedLine Citation:
PMID:  24806384     Owner:  NLM     Status:  Publisher    
Abstract/OtherAbstract:
In patients with acute myocardial infarction (MI), coronary microvasculatures are often damaged irreversibly due to myocardial ischemia and reperfusion, and flow to the previously ischemic myocardium is markedly reduced, a phenomenon known as the "no-reflow phenomenon". Percutaneous coronary intervention (PCI) may accelerate embolization of plaque gruels and microthrombi to the microvessels, which further reduces tissue perfusion. The extent of the no-refl ow zone correlates with infarct size, and it has additional prognostic information. Recent advances in imaging modalities have enabled us to diagnose the no-reflow phenomenon and to assess the mechanisms of the no-refl ow phenomenon. Pharmacological interventions and catheter-based devices to retrieve embolic materials have been proposed, and some of them are associated with improvement in clinical outcomes. Thus, we should keep in mind that only the achievement of complete microvascular perfusion is associated with better functional and clinical outcomes in patients with acute MI.
Authors:
Hiroshi Ito
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Publication Detail:
Type:  JOURNAL ARTICLE     Date:  2014-5-07
Journal Detail:
Title:  International heart journal     Volume:  -     ISSN:  1349-3299     ISO Abbreviation:  Int Heart J     Publication Date:  2014 May 
Date Detail:
Created Date:  2014-5-8     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  101244240     Medline TA:  Int Heart J     Country:  -    
Other Details:
Languages:  ENG     Pagination:  -     Citation Subset:  -    
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