Indication for revascularization in elderly patients refractory to clinical treatment
PCI – Patients with angina	Grade of recommendation	Level of evidence
PCI feasible and easily applied	I	C
Low SYNTAX score	I	B
High SYNTAX score	IIb	B
Surgery – Patients com angina	Grade of recommendation	Level of evidence
Multivascular, with low surgical risk	I	B
Low SYNTAX score and moderate to high surgical risk	IIb	B

PCI: percutaneous intervention; SYNTAX: Synergy Between Percutaneous Coronary Intervention with Taxus and Cardiac Surgery.