Early or Late Intervention in high risk non ST elevation Acute Coronary Syndromes.

Conditions: high risk non-ST elevation acute coronary syndrome patients

Registration Number: NL-OMON26567

Lead Sponsor: Diagram B.V.v. Nahuysplein 68011 NB ZwolleThe Netherlands

Brief Summary: 1. van 't Hof AW, de Vries ST, Dambrink JH, Miedema K, Suryapranata H, Hoorntje JC, Gosselink AT, Zijlstra F, de Boer MJ. A comparison of two invasive strategies in patients with non-ST elevation acute coronary syndromes: results of the Early or Late Intervention in unStable Angina (ELISA) pilot study. 2b/3a upstream therapy and acute coronary syndromes. Eur Heart J 2003;24:1401-5. 2. Savonitto S, Cohen MG, Politi A, Hudson MP, Kong DF, Huang Y, et al. Extent of ST-segment depression and cardiac events in non-ST-segment elevation acute coronary syndromes. Eur Heart J 2005;26:2106-2113. 3. de Araujo Goncalves P, Ferreira J, Aguiar C, Seabra-Gomes R. TIMI, PURSUIT, and GRACE risk scores: sustained prognostic value and interaction with revascularization in NSTE-ACS. Eur Heart J 2005 26:865-72. 4. Neumann FJ, Kastrati A, Pogatsa-Murray G, Mehilli J, Bollwein H, Bestehorn HP, et al. Evaluation of prolonged antithrombotic pretreatment ("cooling-off" strategy) before intervention in patients with unstable coronary syndromes: a randomized controlled trial. JAMA 2003;290:1593-1599. 5. Mehta SR, Cannon CP, Fox KA et al. Routine vs selective invasive strategies in patients with acute coronary syndromes: a collaborative meta-analysis of randomized trials. JAMA 2005;293:2908-17. 6. Ripa RS, Holmvang L, Maynard C. Sejersten M, Clemmensen P, Grande P, et al. Consideration of the total ST segment deviation on the initial ECG for predicting final acute posterior myocardial infarct size in patients with maximum ST segment deviationas depression in leads V1 through V3. A FRISC-II substudy. J Electrocardiol 2005;38:180-186. 7. Buiatti E, Barchielli A, Marchionni N, Balzi D, Carrabba N, Valente S, et al. Determinants of treatment strategies and survival in acute myocardial infarction: a population-based study in the Florence district, Italy: Results of the acute myocardial infarction Florence registry (AMI-Florence). Eur Heart J 2003;24:1195-1203.

Detailed Description: Not available

Recruitment & Eligibility

Status: Pending

Sex: Not specified

Target Recruitment: 540

Inclusion Criteria

Ischemic Chest Pain or Dyspnoe at rest with last attack < 24 hours with at least 2 out of 3 of the following characteristics:
1. Evidence of extensive myocardial Ischemia on ECG:
i. (New) Cumulative ST depression > 5 mm or
ii. Temporary ST segment elevation in 2 contiguous leads < 30 minutes;
2. Evidence of myocardial damage:
i. Positive Troponin (>0.05 ng/ml) or Myoglobin (>150 microg/l) on admission or 3 hours later or
ii. Positive CKmb fraction on admission (>6% of total CK);
3. Age above 65 years.

Exclusion Criteria

1. Persistent ST segment elevation;
2. Absolute contra-indication for diagnostic angiography.;
3. Active bleeding;
4. Cardiogenic shock;
5. Acute posterior infarction;
6. Live expectancy less than 1 year.

Study & Design

Study Type: Interventional

Study Design: Not specified

Primary Outcome Measures

Name	Time	Method
Combined incidence of death, re-infarction and hospitalization for recurrent ischemia at 30 days follow-up.

Secondary Outcome Measures

Name	Time	Method
1. Enzymatic Infarct Size as assessed by a single cardiac Troponin T, measured at 72-96 hours after admission or at discharge;<br>2. The percentage of patients without a rise in CKmb during admission.