Gap between guidelines and management of patients with acute coronary syndrome without persistent ST elevation. Finnish prospective follow-up survey

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Abstract
To evaluate how new treatment guidelines of acute coronary syndrome (ACS) without ST elevation have been implemented into clinical practice in Finland.A prospective survey on 501 consecutive patients (mean age 68 [range 27-96] years) admitted to nine hospitals in Finland with suspected ACS without persistent ST elevation between January and March 2001.The rate of death was 4.2% in hospital and 9.8% at 6 months. Six-month composite incidence of death, new myocardial infarction, refractory angina or readmission for unstable angina was 25.4%. The majority of patients had beta-blocker and aspirin both in hospital and at 6 months. Low molecular weight heparin was used in 76% of patients. Statins were used in 52% of patients in hospital and in 64% at 6 months. Glycoprotein (GP) IIb/IIIa receptor antagonists were used in 18% of all patients. The overall rate of coronary angiography was 40% in hospital and 54% at 6 months, but there was large interhospital variation. Overall, only 45% of very high-risk patients underwent angiography during initial hospitalization. Very high-risk patients had longer waiting times for angiography than low-risk patients (5.8 vs 4.5 days, p < 0.05).Traditional medication with aspirin and beta-blocker is widely used in ACS, whereas statins, GPIIb/IIIa receptor antagonists and invasive therapy are underused. Well-known risk factors were poor predictors of receiving in-hospital angiography. Implementation of new ESC guidelines into clinical practice needs further education and more resources.

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