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Function of remote non-infarcted myocardium after STEMI: analysis with cardiovascular magnetic resonance.
MedLine Citation:
PMID:  22261997     Owner:  NLM     Status:  Publisher    
Abstract/OtherAbstract:
To evaluate remote myocardial function after ST-elevation myocardial infarction (STEMI) and the impact of infarct size (IS) using cardiovascular magnetic resonance (CMR). 161 patients and 15 controls underwent CMR at 1st week and 6th month after STEMI. Using the 17-segments model, segments were categorized into infarcted, adjacent and remote myocardium. Relative systolic wall thickening (SWT, %) was assessed using the centerline method. IS (% of left ventricular mass) was determined in late enhancement imaging. Overall, in remote myocardium, SWT was comparable (83 ± 32) to controls (77 ± 25, P = .5) and did not increase significantly (P = .2) at the 6th month (88 ± 35, P = .3 vs. control). When IS was categorized into tertiles (<13.6%, (n = 49), 13.7-28.2%, (n = 60), >28.2%, (n = 52)), SWT in the remote area at the 1st week was not different from controls, regardless of infarct size (p between .2 and .8 for all tertiles). At 6 months, SWT was larger compared to controls only in small infarctions (98 ± 34 vs. 77 ± 25, P = .03). In medium and large infarctions there was no difference in SWT of the remote area compared to controls (87 ± 33 and 79 ± 34, P = .3 and P = .09) and there was no significant increase at 6 months (P between .2 and .9). In remote myocardium there was no difference in contractility compared to controls after STEMI. After 6 month a slight hypercontractility can only be observed in small infarctions. In medium and large infarctions no difference of SWT in remote myocardium compared to controls can be observed.
Authors:
Oliver Husser; Fabian Chaustre; Juan Sanchis; Julio Nunez; Jose V Monmeneu; Maria P Lopez-Lereu; Clara Bonanad; Cristina Gomez; Ricardo Oltra; Angel Llacer; Günter A J Riegger; Francisco J Chorro; Vicente Bodi
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Publication Detail:
Type:  JOURNAL ARTICLE     Date:  2012-1-20
Journal Detail:
Title:  The international journal of cardiovascular imaging     Volume:  -     ISSN:  1875-8312     ISO Abbreviation:  -     Publication Date:  2012 Jan 
Date Detail:
Created Date:  2012-1-20     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  100969716     Medline TA:  Int J Cardiovasc Imaging     Country:  -    
Other Details:
Languages:  ENG     Pagination:  -     Citation Subset:  -    
Affiliation:
Cardiology Department, Hospital Clinico Universitario, INCLIVA, Universidad de Valencia, Blasco Ibanez 17, 46010, Valencia, Spain.
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