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Complete improvement in a patient with multiple irreversible defects of the left ventricle on 99m technetium-sestamibi SPECT after percutaneous coronary intervention.
MedLine Citation:
PMID:  23090825     Owner:  NLM     Status:  In-Process    
Abstract/OtherAbstract:
99mTc-sestamibi has been investigated as a potential viability marker; initial studies have shown good concordance between 201Tl and 99mTc-sestamibi activities in both viable and nonviable myocardium. However, assessment of myocardial viability by 99mTc-sestamibi remains controversial for tissue recovery after revascularization. Here, we present a patient with several regions of severely diminished and irreversible (defect persisting in both early and delay images of each set scanning) defects on initial scan which were dissolved completely on the follow up scan after an intervention. In a 75 year-old Asian woman with acute myocardial infarction who received thrombolytic therapy and subjected to percutaneous coronary angiography (PCI) on day 28 after acute myocardial infarction(MI), resting 99mTc-sestamibi SPECT was applied on day 4 (initial scan) and 138 (follow up scan) after acute MI at 30 and 180 min after injection of tracer (740 MBq); Two-dimensional echocardiography was carried out at the same time. On the initial image set, there was irreversible defects in the apex, anteroapical, inferoapical, anteroseptal, septal and also anterior walls, while the follow up image was normal in all regions.The angiography intervention showed just significant stenosis on left anterior descending (LAD) vessel (95%). This may highlight the failure of 99mTc-sestamibi as a marker of myocardial viability and also mandate further validating of the procedure with follow up scan or other modalities for myocardial viability investigation.
Authors:
H Javadi; M A Porpiranfar; S Semnani; S Jallalat; P Yavari; M Mogharrabi; A Hooman; A Amini; M Barekat; D Iranpour; M Assadi; I N Asli
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Publication Detail:
Type:  Journal Article    
Journal Detail:
Title:  European review for medical and pharmacological sciences     Volume:  16 Suppl 4     ISSN:  1128-3602     ISO Abbreviation:  Eur Rev Med Pharmacol Sci     Publication Date:  2012 Oct 
Date Detail:
Created Date:  2012-10-23     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  9717360     Medline TA:  Eur Rev Med Pharmacol Sci     Country:  Italy    
Other Details:
Languages:  eng     Pagination:  113-6     Citation Subset:  IM    
Affiliation:
Golestan University of Medical Sciences, Gorgan, Iran.
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