Document Detail

Is new ST-segment elevation after coronary artery bypass of clinical importance in the absence of perioperative myocardial infarction?
MedLine Citation:
PMID:  17069835     Owner:  NLM     Status:  MEDLINE    
OBJECTIVE: To determine the frequency and significance of new ST-segment elevation during the early postoperative period after coronary artery bypass grafting (CABG) in patients without enzymatic or electrocardiogram evidence of perioperative myocardial infarction (MI). METHODS: Pre- and early postoperative electrocardiograms were reviewed in 506 patients undergoing CABG in whom MI was excluded by the absence of new Q waves or left bundle branch block and a peak postoperative troponin I less than 10 ng/mL. RESULTS: New ST-segment elevation of 0.1 mV or greater was observed in 64 patients (12.6%). Patients with and without ST-segment elevation did not differ with regard to age, prior coronary artery bypass, number of grafts, use of the internal mammary artery, incidence of postoperative atrial fibrillation, length of stay in the intensive care unit, duration of hospitalization, or 30-day mortality. CONCLUSIONS: ST-segment elevation not due to perioperative MI is common after CABG but is not associated with increased postoperative morbidity or mortality.
Henry S Loeb; William P Gunnar; Donald D Thomas
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Publication Detail:
Type:  Controlled Clinical Trial; Journal Article     Date:  2006-10-25
Journal Detail:
Title:  Journal of electrocardiology     Volume:  40     ISSN:  1532-8430     ISO Abbreviation:  J Electrocardiol     Publication Date:  2007 Jul 
Date Detail:
Created Date:  2007-05-04     Completed Date:  2007-05-30     Revised Date:  2009-11-11    
Medline Journal Info:
Nlm Unique ID:  0153605     Medline TA:  J Electrocardiol     Country:  United States    
Other Details:
Languages:  eng     Pagination:  276-81     Citation Subset:  IM    
Edward Hines Jr. Veterans Administration Hospital, Hines, IL 60141, USA.
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MeSH Terms
Atrial Fibrillation / diagnosis,  mortality*,  prevention & control
Coronary Artery Bypass / mortality*
Electrocardiography / statistics & numerical data
Illinois / epidemiology
Length of Stay / statistics & numerical data*
Middle Aged
Myocardial Infarction / diagnosis,  mortality*,  surgery*
Perioperative Care / statistics & numerical data
Risk Assessment / methods*
Risk Factors
Survival Analysis
Survival Rate

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

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