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Evaluation of stunned and infarcted canine myocardium by real time myocardial contrast echocardiography BJMBR
Dourado,P.M.M.; Tsutsui,J.M.; Mathias Jr.,W.; Andrade,J.L.; da Luz,P.L.; Chagas,A.C.P..
Differentiation between stunned and infarcted myocardium in the setting of acute ischemia is challenging. Real time myocardial contrast echocardiography allows the simultaneous assessment of myocardial perfusion and function. In the present study we evaluated infarcted and stunned myocardium in an experimental model using real time myocardial contrast echocardiography. Sixteen dogs underwent 180 min of coronary occlusion followed by reperfusion (infarct model) and seven other dogs were submitted to 20 min of coronary occlusion followed by reperfusion (stunned model). Wall motion abnormality and perfusional myocardial defect areas were measured by planimetry. Risk and infarct areas were determined by tissue staining. In the infarct model, the wall motion...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Myocardial perfusion; Contrast echocardiography; Myocardial stunning; Myocardial infarction.
Ano: 2003 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-879X2003001100009
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