Physical Stress Echocardiography: Prediction of Mortality and Cardiac Events in Patients with Exercise Test showing Ischemia / Ecoestresse Físico: Predição de Mortalidade e Eventos Cardíacos em Pacientes com Ergometria Isquêmica
Arq. bras. cardiol
; Arq. bras. cardiol;103(5): 418-425, 11/2014. tab, graf
Article
en En
|
LILACS-Express
| LILACS, SES-SP, SESSP-IDPCPROD, SES-SP
| ID: lil-730355
Biblioteca responsable:
BR1.1
ABSTRACT
Background:
Studies have demonstrated the diagnostic accuracy and prognostic value of physical stress echocardiography in coronary artery disease. However, the prediction of mortality and major cardiac events in patients with exercise test positive for myocardial ischemia is limited.Objective:
To evaluate the effectiveness of physical stress echocardiography in the prediction of mortality and major cardiac events in patients with exercise test positive for myocardial ischemia.Methods:
This is a retrospective cohort in which 866 consecutive patients with exercise test positive for myocardial ischemia, and who underwent physical stress echocardiography were studied. Patients were divided into two groups with physical stress echocardiography negative (G1) or positive (G2) for myocardial ischemia. The endpoints analyzed were all-cause mortality and major cardiac events, defined as cardiac death and non-fatal acute myocardial infarction.Results:
G2 comprised 205 patients (23.7%). During the mean 85.6 ± 15.0-month follow-up, there were 26 deaths, of which six were cardiac deaths, and 25 non-fatal myocardial infarction cases. The independent predictors of mortality were age, diabetes mellitus, and positive physical stress echocardiography (hazard ratio 2.69; 95% confidence interval 1.20 - 6.01; p = 0.016). The independent predictors of major cardiac events were age, previous coronary artery disease, positive physical stress echocardiography (hazard ratio 2.75; 95% confidence interval 1.15 - 6.53; p = 0.022) and absence of a 10% increase in ejection fraction. All-cause mortality and the incidence of major cardiac events were significantly higher in G2 (p < 0. 001 and p = 0.001, respectively).Conclusion:
Physical stress echocardiography provides additional prognostic information in patients with exercise test positive for myocardial ischemia. .
Texto completo:
1
Colección:
01-internacional
Base de datos:
LILACS
/
SES-SP
/
SESSP-IDPCPROD
Tipo de estudio:
Prognostic_studies
/
Risk_factors_studies
Idioma:
En
Revista:
Arq Bras Cardiol
/
Arq. bras. cardiol
/
Arq. bras. cardiol. (Online)
/
Arquivos brasileiros de cardiologia (Impresso)
Asunto de la revista:
CARDIOLOGIA
Año:
2014
Tipo del documento:
Article
País de afiliación:
Brasil
Pais de publicación:
Brasil