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   Oxygenation-sensitive cardiovascular magnetic resonance  
   
نویسنده friedrich m.g. ,karamitsos t.d.
منبع journal of cardiovascular magnetic resonance - 2013 - دوره : 15 - شماره : 1
چکیده    Oxygenation-sensitive cardiovascular magnetic resonance (cmr) is a non-contrast technique that allows the non-invasive assessment of myocardial oxygenation. it capitalizes on the fact that deoxygenated hemoglobin in blood can act as an intrinsic contrast agent,changing proton signals in a fashion that can be imaged to reflect the level of blood oxygenation. increases in o2 saturation increase the bold imaging signal (t2 or t2*),whereas decreases diminish it. this review presents the basic concepts and limitations of the bold technique,and summarizes the preclinical and clinical studies in the assessment of myocardial oxygenation with a focus on recent advances. finally,it provides future directions and a brief look at emerging techniques of this evolving cmr field. © 2013 friedrich and karamitsos; licensee biomed central ltd.
کلیدواژه Blood-oxygen level-dependent; Cardiovascular magnetic resonance; Ischemia; Microcirculation; Oxygenation
آدرس montreal heart institute,departments of cardiology and radiology,université de montréal,montreal,qc,canada,departments of cardiac sciences and radiology,university of calgary,calgary, Canada, radcliffe department of medicine,university of oxford,john radcliffe hospital,oxford, United Kingdom
 
     
   
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