17. Invasive vs. Conservative
• Invasive strategy is favoured over conservative
management
• Unresolved Issues –
–Optimal timing
– need to balance the risks of intervention for
unstable plaque
– risk of new ischemic events while waiting to
perform an invasive procedure
Milosevic A, et al. J Am Coll Cardiol Intv 2016
18. ELISA 3 TRIAL
• 542 HIGH RISK NSTEMI
• RANDOMIZED TO IMMEDIATE-<12 HRS
INVASIVE AND DELAYED >48 HRS
• COMPOSITE OF DEATH,MI,AND RECURRENT
ISCH AT 30 DAYS
• IMMEDIATE 9.9%,DELAYED 14% P=0.35
• SAFE TO PERFORM IMMEDIATE
19.
20.
21. Cumulative incidence of primary endpoint of death or MI at 30 days for
immediate versus delayed. Dashed black line intersecting the X axis denotes
the median time to angiography (61h) in patients undergoing delayed
invasive intervention Milosevic A, et al. J Am Coll Cardiol Intv 2016
22. Variable Immediate
Intervention
(n = 162)
Delayed
Intervention
(n = 161)*
HR (95% CI) p Value
30 days
Death or MI 4.3 13.0 0.32 (0.13–0.74) 0.008
Death, MI, or recurrent
ischemia)
6.8 26.7 0.23 (0.12–0.45 <0.001
Death 3.1 3.1 0.98 (0.28–3.37) 0.97
MI 2.5 9.9 0.24 (0.08–0.70) 0.01
Recurrent ischemia 3.7 15.5 0.24 (0.10–0.57) 0.001
Major bleeding 0.6 0.6 0.99 (0.06–15.89) 0.99
31 days to 1 yr
Death or MI 2.6 6.5 0.39 (0.12–1.27) 0.12
Death, MI, or recurrent ischemia 9.3 9.3 0.99 (0.45–2.19) 0.71
Death§ 1.9 2.6 0.74 (0.17–3.31) 0.69
MI 0.6 4.3 0.15 (0.02–1.22) 0.07
Recurrent ischemia 6.5 2.2 2.99 (0.82–10.85) 0.06
Major bleeding 0.0 2.5 0.01 (0.01–46.38) 0.30
1 yr
Death or MI 6.8 18.8 0.34 (0.17–0.67) 0.002
Death, MI, or recurrent ischemia 15.4 33.1 0.28 (0.15–0.51) <0.001
Death 4.9 5.6 0.87 (0.34–2.26) 0.78
MI 3.1 13.8 0.21 (0.08–0.55) 0.002
Recurrent ischemia 9.9 16.9 0.28 (0.12–0.63) 0.002
Major bleeding 0.6 3.1 0.20 (0.02–1.68) 0.14
Clinical Outcomes Up to 1 Year
23. Cumulative incidence of the combined primary endpoint of death or new
myocardial infarction at 30 days and thereafter for patients undergoing
immediate versus delayed invasive intervention.
Milosevic A, et al. J Am Coll Cardiol Intv 2016
24. 2015 ESC Guidelines for the
management of acute coronary
syndromes in patients presenting
without persistent ST-segment
elevation
29. Summary
• The routine invasive strategy reduces
cardiovascular death or MI at long-term follow-up
• 3.2% absolute risk reduction in CV death/MI
• 19% relative risk reduction
• Risk stratification identifies the patient group with
the greatest absolute benefits
• 11.1% absolute risk reduction in highest risk patients
• The absolute risk reductions in CV death/MI in
low (2.0%) and Intermediate groups (3.8%)
exceed those seen in many trials of
pharmacological agents
30. CONCLUSIONS
• INVASIVE TREATMENT SUPERIOR TO
CONSERVATIVE
• IN HIGH SCORE IMMEDIATE APPROACH
WITHIN 2 HOURS
• BIOMARKERS,RECURRENT ISCHEMIA,ECG AND
HEMODYNAMIC CHANGES DETERMINE THE
APPROACH
• LONG TERM OUTCOMES BETTER IN HIGH RISK