Document Detail

Risk stratification by treadmill exercise echocardiography in patients with excellent exercise capacity.
MedLine Citation:
PMID:  17381647     Owner:  NLM     Status:  MEDLINE    
BACKGROUND: The incremental value of exercise echocardiography (EE) has been demonstrated to be maximal in patients with moderate pretest probability for coronary artery disease, but there is a lack of data in patients with low pretest probability or patients with good functional capacity. METHODS: To investigate whether such incremental value is maintained in patients with excellent exercise capacity, we studied 1,433 patients who had excellent exercise capacity (>or=8 METs for women, >or=10 METs for men). RESULTS: During a follow-up of 2.3 +/- 1.5 years, 42 hard events occurred (cardiac death or nonfatal myocardial infarction). Variables independently associated to hard events were male gender (P = 0.04), % of the age-predicted maximum heart rate (P = 0.02), chronotropic reserve (P = 0.002), and abnormal EE (P = 0.03; incremental P value of EE = 0.03). CONCLUSIONS: EE has incremental value over clinical variables, resting echocardiography, and exercise testing variables in patients with excellent exercise capacity. EE may be preferable to ECG exercise testing even in patients expected to have good exercise capacity.
Jesús Peteiro; Lorenzo Monserrrat; Beatriz Bouzas; Javier Mariñas; Alfonso Castro-Beiras
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Publication Detail:
Type:  Journal Article; Research Support, Non-U.S. Gov't    
Journal Detail:
Title:  Echocardiography (Mount Kisco, N.Y.)     Volume:  24     ISSN:  0742-2822     ISO Abbreviation:  Echocardiography     Publication Date:  2007 Apr 
Date Detail:
Created Date:  2007-03-26     Completed Date:  2007-08-24     Revised Date:  2007-11-15    
Medline Journal Info:
Nlm Unique ID:  8511187     Medline TA:  Echocardiography     Country:  United States    
Other Details:
Languages:  eng     Pagination:  385-92     Citation Subset:  IM    
Unit of Echocardiography and Department of Cardiology, Juan Canalejo Hospital, University of A Coruña, A Coruña, Spain.
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MeSH Terms
Age Factors
Analysis of Variance
Coronary Artery Disease / epidemiology,  physiopathology*,  surgery,  ultrasonography*
Disease-Free Survival
Echocardiography, Stress*
Exercise Test*
Exercise Tolerance*
Follow-Up Studies
Heart Rate
Image Processing, Computer-Assisted
Middle Aged
Myocardial Infarction / mortality,  physiopathology
Myocardial Revascularization
Predictive Value of Tests
Proportional Hazards Models
ROC Curve
Research Design
Risk Factors
Severity of Illness Index
Sex Factors
Stroke Volume

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

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