VQI
carotid stenting
lower risk
perioperative in hospital outcomes
protamine
symptomatic
stroke rate
ENROUTE
carotid revascularization
propensity matching
CEA
standard risk patients
carotid stenting
lower risk
perioperative in hospital outcomes
protamine
symptomatic
stroke rate
ENROUTE
carotid revascularization
propensity matching
CEA
standard risk patients