Noninvasive risk stratification in unstable coronary artery disease: exercise test and biochemical markers. FRISC...

Early risk assessment is essential for the application of appropriate treatment and further management in patients with unstable coronary artery disease, i.e., unstable angina or non-Q-wave myocardial infarction. In this article, the use of exercise testing and biochemical markers for identification of high- and low-risk patients is discussed, with special reference to experiences from the FRISC (Fragmin During Instability in Coronary Artery Disease) trial. It is concluded that a symptom-limited predischarge exercise test (provided all relevant information obtained is considered) and determination of troponin T are inexpensive, widely applicable, and useful methods for early risk stratification in both men and women after an episode of unstable coronary artery disease.