Document Detail

Isolated post exercise delayed ST depression as a sign of severe ischemia: the influence of percutaneous transluminal coronary angioplasty.
MedLine Citation:
PMID:  1288836     Owner:  NLM     Status:  MEDLINE    
The clinical implications of isolated late recovery ST depression were tested in patients with scintigraphically defined ischemia (coronary artery disease [CAD], n = 18) compared with patients without ischemia (n = 25). Spontaneous (78.4 versus 12.0%, P < 0.008) and exercise-induced angina (44.4 versus 0%, P < 0.0001) were more frequently seen in patients with CAD. Histories of unstable angina (33.3%), prior myocardial infarction (27.8%), ST elevated angina (22.2%) and significant stenosis in the left anterior descending artery (17 of 18, 94.4%) were almost exclusively seen in the CAD group. There was no significant difference between the two groups in capacity for exercise, maximum deviation of ST level or TV2 amplitude. Balloon angioplasty abolished late recovery ST changes in 63.6% of CAD patients. These results suggest that isolated late recovery ST depression, when accompanied with typical chest pain, may be considered as an indicator of myocardial ischemia, but this phenomenon is difficult to distinguish electrocardiographically.
K Tsuchihashi; N Hikita; N Satoh; K Nagao; S Tanaka; O Iimura
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Publication Detail:
Type:  Journal Article    
Journal Detail:
Title:  The Canadian journal of cardiology     Volume:  8     ISSN:  0828-282X     ISO Abbreviation:  Can J Cardiol     Publication Date:  1992 Dec 
Date Detail:
Created Date:  1993-03-22     Completed Date:  1993-03-22     Revised Date:  2008-04-09    
Medline Journal Info:
Nlm Unique ID:  8510280     Medline TA:  Can J Cardiol     Country:  CANADA    
Other Details:
Languages:  eng     Pagination:  1050-4     Citation Subset:  IM    
Second Department of Internal Medicine, Sapporo Medical College, Japan.
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MeSH Terms
Angina, Unstable / diagnosis
Angioplasty, Transluminal, Percutaneous Coronary*
Constriction, Pathologic / therapy
Coronary Disease / therapy
Exercise Test*
Middle Aged
Myocardial Ischemia / diagnosis*
Time Factors

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

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