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Saint-√Čtienne, France

Sanchez O.,Service de Pneumologie et Soins Intensifs | Trinquart L.,University of Paris Descartes | Caille V.,Hopital Ambroise Pare | Couturaud F.,European University of Brittany | And 13 more authors.
American Journal of Respiratory and Critical Care Medicine | Year: 2010

Rationale: The short-term prognosis of pulmonary embolism (PE) depends on hemodynamic status and underlying disease. The prognostic value of right ventricular dysfunction and injury is less well established. Objectives: To evaluate prognostic factors of PE in a multicenter prospective cohort study. Methods: Echocardiography, brain natriuretic peptide (BNP), N-terminal-proBNP and cardiac troponin I measurements were done on admission of 570 consecutive patients with an acute PE. A predictive model was based on independent predictors of 30-day adverse events defined as death, secondary cardiogenic shock, or recurrent venous thromboembolism. Measurements and Main Results: At 30 days, 42 patients (7.4%; 95% confidence interval [CI], 5.5-9.8%) had adverse events. On multivariate analysis, altered mental state (odds ratio [OR] 6.8; 95% confidence interval [CI], 2.0-23.3), shock on admission (OR 2.8; 95% CI, 1.1-7.5), cancer (OR 2.9; 95% CI, 1.2-6.9), BNP (OR 1.3 for an increase of 250 ng/L; 95% CI, 1.1-1.6) and right to left ventricle diameter ratio (OR 1.2 for an increase of 0.1; 95% CI, 1.1-1.4) were associated with 30-days of adverse events. The predictive performance of the model was good (area under receiver operating characteristics curve 0.84 [95% CI, 0.78-0.90]), making it possible to develop a bedside prognostic score. Conclusions: BNP and echocardiography may be useful determinants of the short-term outcome for patients with PE, together with clinical findings. Patients with PE can be stratified according to the initial risk of adverse outcome, using a simple score based on clinical, echocardiographic, and biochemical variables.

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