Objective To assess short-term and medium-term outcomes following radial and femoral artery access for primary or rescue percutaneous coronary intervention (PCI).
Design Retrospective cohort study.
Patients All 4534 patients undergoing primary or rescue PCI in Scotland between April 2000 and March 2009 using the Scottish Coronary Revascularisation Register.
Intervention Primary or rescue PCI.
Main outcome measures Procedural success; peri-procedural complications; 30-day and 1-year mortality, myocardial infarction or stroke and long-term mortality.
Results Use of the radial approach increased from no cases in 2000 to 924 (80.5%) in 2009 (p<0.001). Patients in whom the radial approach was used were more likely to be male (p=0.041) and to have multiple comorbidities (p<0.001), including hypertension (p<0.001) and left ventricular dysfunction (p<0.001). They were less likely to have renal impairment (p=0.017), multi-vessel coronary disease (p=0.001) and cardiogenic shock (p<0.001). In multivariable analyses, use of radial artery access was associated with greater procedural success (adjusted OR 1.89, 95% CI 1.26 – 2.82, p=0.002) and a lower risk of any complications (adjusted OR 0.67, 95% CI 0.51 – 0.87, p=0.001) or access site bleeding complications (adjusted OR 0.21, 0.08 – 0.56, p=0.002), as well as a lower risk of myocardial infarction (adjusted OR 0.66, 95% CI 0.51–0.87, p=0.003) or death within 30 days (adjusted OR 0.51, 95% CI 0.04 – 0.52, p<0.001). The differences in myocardial infarction and death remained significant up to 9 years of follow-up.
Conclusion Use of the radial artery for primary or rescue PCI is associated with improved clinical outcomes.
- Percutaneous coronary interventions
- myocardial infarction
- cardiac remodelling
- aortic valve disease
- intravascular ultrasound
- interventional cardiology
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