Document Detail


Comparison of enzymatic and anatomic estimates of myocardial infarct size in man.
MedLine Citation:
PMID:  6488496     Owner:  NLM     Status:  MEDLINE    
Abstract/OtherAbstract:
Enzymatic estimates of myocardial infarct size based on plasma levels of MB creatine kinase (MB-CK) were compared with anatomic infarct size in 49 human hearts obtained at autopsy. The patients studied had been enrolled in the Multicenter Investigation of Limitation of Infarct Size (MILIS) study program within 18 hr of the onset of acute infarction and were treated at one of five participating hospitals. Infarct size was estimated from serial measurements of plasma MB-CK made at the core laboratory for CK analysis. Hearts obtained at autopsy were studied independently by the core pathology laboratory without knowledge of the MB-CK levels or clinical results. Data from the two laboratories were compared at the data coordinating center. Of 49 hearts, 12 were excluded either because anatomic infarct size could not be established or because the infarct occurring at the time of enrollment in the MILIS study could not be distinguished with certainty from other infarcts. Of the remaining 37 hearts, peak MB-CK level was available in 36, but samples sufficient for estimation of infarct size were available in only 25. The overall correlation coefficient (Spearman) was .87 for these 25 hearts, indicating that enzymatic estimates of infarct size correlate closely with anatomic measurements. The results indicate that CK estimates of myocardial infarct size represent a valid clinical end point for assessing myocardial infarct size, and the effect of therapy thereon, in groups of treated and control patients.
Authors:
D B Hackel; K A Reimer; R E Ideker; E M Mikat; T D Hartwell; C B Parker; E B Braunwald; M Buja; H K Gold; A S Jaffe
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Publication Detail:
Type:  Clinical Trial; Comparative Study; Journal Article; Randomized Controlled Trial; Research Support, U.S. Gov't, P.H.S.    
Journal Detail:
Title:  Circulation     Volume:  70     ISSN:  0009-7322     ISO Abbreviation:  Circulation     Publication Date:  1984 Nov 
Date Detail:
Created Date:  1984-12-05     Completed Date:  1984-12-05     Revised Date:  2007-11-15    
Medline Journal Info:
Nlm Unique ID:  0147763     Medline TA:  Circulation     Country:  UNITED STATES    
Other Details:
Languages:  eng     Pagination:  824-35     Citation Subset:  AIM; IM    
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MeSH Terms
Descriptor/Qualifier:
Autopsy
Clinical Enzyme Tests*
Creatine Kinase / blood*
Humans
Isoenzymes
Myocardial Infarction / enzymology,  pathology*
Time Factors
Grant Support
ID/Acronym/Agency:
HL17460/HL/NHLBI NIH HHS; HLB-K6-14188/HL/NHLBI NIH HHS; HV72940/HV/NHLBI NIH HHS
Chemical
Reg. No./Substance:
0/Isoenzymes; EC 2.7.3.2/Creatine Kinase

From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine


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