objective: Describe clinical characteristics of patients (P) admitted to hospital with suspected acute coronary syndrome (ACS), identifying medical treatment and in-hospital mortality.Methods: Evaluated were 860 patients with ACS from January through December, 2003. We evaluated baseline characteristics, ACS mode of presentation, medication during hospital stay, indication for clinical treatment or myocardial revascularization (MR) and in-hospital mortality.Results: Five hundred and three (58.3%) were male, mean age 62.6 years (± 11.9). Seventy-eight (9.1%) were discharged with the diagnosis of acute ST-elevation myocardial infarction (STEMI), 238 (27.7%) with non-ST-elevation myocardial infarction (non-STEMI), 516 (60%) with unstable angina (UA), two (0.2%) with atypical manifestations of ACS and 26 (3%) with noncardiac chest pain. During hospitalization, 87.9% of patients were given a beta-blocker, 95.9% acetylsalicylic acid, 89.9% anti-thrombin therapy, 86.2% intravenous nitroglycerin, 6.4% glycoprotein (GP) IIb/IIIa receptor inhibitor, 35.9% clopidogrel, 77.9% angiotensin-converting enzyme inhibitor, and 70,9% statin drugs. Coronary arteriography was performed in 72 patients (92.3%) with STEMI, and in 452 (59.8%) with non-STEMI ACS (p< 0.0001). Myocardial revascularization (MR) surgery was indicated for 12.9% and percutaneous coronary intervention for 26.6%. In-hospital mortality was 4.8%, and no difference was recorded between the proportion of deaths among patients with STEMI and non-STEMI ACS (6.4% versus 4.8%; p = 0.578). Conclusion:In this registry, we provide a description of ACS patient, which allows the evaluation of the demographic characteristics, medical treatment prescribed, and in-hospital mortality. A greater awareness of our reality may help the medical community to adhere more strictly to the procedures set by guidelines.key words: Acute coronary syndrome, registry, chest pain, unstable angina, acute myocardial infarction.
SummaryBackground: The probability of adverse events estimate is crucial in acute coronary syndrome condition.
Risk scores correlate with the severity of coronary lesions, and the TIMI risk score showed the best predictive ability.
BackgroundIn non-ST-segment elevation acute coronary syndrome (ACS), the likelihood of adverse events should be estimated. Guidelines recommend risk stratification models for that purpose. The Dante Pazzanese risk score (DANTE score) is a simple risk stratification model composed with the following variables: age increase (0 to 9 points); history of diabetes mellitus (2 points) or stroke (4 points); no use of angiotensin-converting-enzyme inhibitor (1 point); creatinine elevation (0 to 10 points); combination of troponin elevation and ST-segment depression (0 to 4 points). ObjectiveTo validate the DANTE score in patients with non-ST-segment elevation ACS. MethodsProspective, observational study including 457 patients, from September 2009 to October 2010. The patients were grouped in risk categories according to the original model score as follows: very low; low; intermediate; and high. The predictive ability of the score was assessed by using C-statistics. ResultsThe sample comprised 291 (63.7%) men, the mean age being 62.1 years (SD=11.04). The event death or (re) infarction in 30 days was observed in 17 patients (3.7%). Progressive increase in the proportion of events was observed as the score increased: very low risk = 0.0%; low risk = 3.9%; intermediate risk = 10.9%; high risk = 60.0%; p < 0.0001. C-statistics was 0.87 (95% CI: 0.81-0.94; p < 0.0001). ConclusionDANTE score showed an excellent capacity to predict the specific events, and can be incorporated to the prognostic assessment of patients with non-ST-segment elevation ACS.
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