EBC - ON DEMAND
IVUS or FFR for ambiguous LM assessment
European Bifurcation Club 2012 – EBC 2012 – Castelldefels, Spain
Left main session
IVUS or FFR for ambiguous LM assessment
Author: Jose Ma de la Torre Hernandez, MD, PhD, Hospital Universitario Marques de Valdecilla, Santander, Spain
CONCLUSION
- IVUS and FFR are both safe methods to accurately assess the severity of ambiguous LM lesions.
- IVUS:
- An “universal definite cutoff value” for the LM lumen does not exist.
- There is a narrow range for the LM MLA around 6 mm2 and modulation by other factors is required to make an individual case-based decision
- Useful in case of LM PCI
- FFR:
- Definite cut-off value (0.8). (Suggested gray zone 0.8-0.85)
- No characterization of LM disease (specially in bifurcations)
- Not fully reliable in presence of severe LAD / LCx disease