Clinical implications of persistent ST segment depression after admission in patients with non-ST segment elevation acute coronary syndrome.

P atients with non-ST segment elevation acute coronary syndrome (NSTE-ACS) are heterogeneous with regard to both underlying disease and prognosis. ST segment depression on admission in NSTE-ACS is considered a powerful predictor of a poor outcome. To clarify the clinical significance of ST segment depression, we studied the relation between the change in ST segment depression after admission, to clinical characteristics and angiographic findings in patients with NSTE-ACS.