期刊
JOURNAL OF THE AMERICAN COLLEGE OF CARDIOLOGY
卷 38, 期 2, 页码 478-485出版社
ELSEVIER SCIENCE INC
DOI: 10.1016/S0735-1097(01)01388-2
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资金
- PHS HHS [290-97-0013] Funding Source: Medline
OBJECTIVES This study was designed to compare the prognostic value of an abnormal troponin level derived from studies of patients with non-ST elevation acute coronary syndromes (ACS). BACKGROUND Risk stratification For patients with suspected ACS is important for determining need for hospitalization and intensity of treatment. METHODS Vie identified clinical trials and cohort studies of consecutive patients with suspected ACS without ST-elevation from 1966 through 1999. We excluded studies limited to patients with acute myocardial infarction and studies not reporting mortality or troponin results. RESULTS Seven clinical trials and 19 cohort studies reported data for 5,360 patients with a troponin T test and 6,603 with a troponin T test. Patients with positive troponin (I or T) had significantly higher mortality than those with a negative test (5.2% vs. 1.6%, odds ratio [OR) 3.1). Cohort studies demonstrated a greater difference in mortality between patients with a positive versus negative troponin I (8.4% us. 0.7%, OR 8.5) than clinical trials (4.8% if positive, 2.1% if negative, OR 2.6, p = 0.01). Prognostic value of a positive troponin T was also slightly greater for cohort studies (11.6% mortality if positive, 1.7% if negative, OR 5.1) than for clinical trials (3.8% if positive, 1.3% if negative, OR 3.0, p = 0.2) CONCLUSIONS In patients with non-ST elevation ACS, the short-term odds of death arc increased three- to eightfold for patients with an abnormal troponin test. Data from clinical trials suggest a lower prognostic value for troponin than do data from cohort studies. (J Am Coll Cardiol 2001;38: 478-85) 2001 by the American College of Cardiology.
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