期刊
EUROPEAN HEART JOURNAL
卷 24, 期 4, 页码 366-376出版社
W B SAUNDERS CO LTD
DOI: 10.1016/S0195-668X(02)00476-1
关键词
pulmonary embolism; right ventricular function; diagnosis; therapy
Aims A simple management strategy is required for patients with acute pulmonary embolism which allows a rapid and reliable diagnosis in order to start timely and appropriate treatment. Methods and results Two hundred and four consecutive patients with suspected pulmonary embolism were managed according to a standardized protocol based on the clinical pretest probability and the initial haemodynamic presentation (shock index=heart rate divided by systolic blood pressure). Patients with a high pretest probability and a positive shock index (greater than or equal to1) (n=21) underwent urgent transthoracic echocardiography. Based on the presence or absence of right ventricular dysfunction, reperfusion treatment was initiated immediately. Patients with a negative shock index (<1) (n=183) underwent diagnostic evaluation including pretest probability, D-dimer, and spiral computed tomography (CT) as first-line tests. Echocardiography was performed only when a central pulmonary embolism was found in the spiral CT (n=33). According to our strategy, 98 patients met the diagnostic criteria of pulmonary embolism: 75 patients (all shock index <1) were treated with heparin alone, 16 (seven had a shock index greater than or equal to1) with thrombolysis, four (all shock index greater than or equal to1) with catheter fragmentation, and three (all shock index greater than or equal to1) with surgical embolectomy. The all-cause mortality rate at 30 days was 5%, and at 6 months 11%. Right ventricular dysfunction on baseline echocardiography was not associated with a higher mortality rate at 6 months (logrank 2.4, P=0.12). Conclusions The novel management strategy for patients with suspected pulmonary embolism resulted in a rapid diagnosis and treatment with a low 30-day mortality. In patients with pulmonary embolism and a positive shock index, time-consuming imaging tests can be avoided to reduce the risk of sudden death and not to delay reperfusion therapy. (C) 2003 The European Society of Cardiology. Published by Elsevier Science Ltd. All rights reserved.
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