Radial Versus Femoral Access for Coronary Interventions Across the Entire Spectrum of Patients With Coronary Artery Disease: A Meta-Analysis of Randomized Trials.

Ferrante, Giuseppe; Rao, Sunil V; Jüni, Peter; Da Costa, Bruno R; Reimers, Bernhard; Condorelli, Gianluigi; Anzuini, Angelo; Jolly, Sanjit S; Bertrand, Olivier F; Krucoff, Mitchell W; Windecker, Stephan; Valgimigli, Marco (2016). Radial Versus Femoral Access for Coronary Interventions Across the Entire Spectrum of Patients With Coronary Artery Disease: A Meta-Analysis of Randomized Trials. JACC. Cardiovascular Interventions, 9(14), pp. 1419-1434. Elsevier 10.1016/j.jcin.2016.04.014

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OBJECTIVES

The aim of this study was to provide a quantitative appraisal of the effects on clinical outcomes of radial access for coronary interventions in patients with coronary artery disease (CAD).

BACKGROUND

Randomized trials investigating radial versus femoral access for percutaneous coronary interventions have provided conflicting evidence. No comprehensive quantitative appraisal of the risks and benefits of each approach is available across the whole spectrum of patients with stable or unstable CAD.

METHODS

The PubMed, Embase, Cochrane Central Register of Controlled Trials, and ClinicalTrials.gov databases were searched for randomized trials comparing radial versus femoral access for coronary interventions. Data were pooled by meta-analysis using a fixed-effects or a random-effects model, as appropriate. Pre-specified subgroup analyses according to clinical presentation, in terms of stable CAD, non-ST-segment elevation acute coronary syndromes, or ST-segment elevation myocardial infarction were performed.

RESULTS

Twenty-four studies enrolling 22,843 participants were included. Compared with femoral access, radial access was associated with a significantly lower risk for all-cause mortality (odds ratio [OR]: 0.71; 95% confidence interval [CI]: 0.59 to 0.87; p = 0.001, number needed to treat to benefit [NNTB] = 160), major adverse cardiovascular events (OR: 0.84; 95% CI: 0.75 to 0.94; p = 0.002; NNTB = 99), major bleeding (OR: 0.53; 95% CI: 0.42 to 0.65; p < 0.001; NNTB = 103), and major vascular complications (OR: 0.23; 95% CI: 0.16 to 0.35; p < 0.001; NNTB = 117). The rates of myocardial infarction or stroke were similar in the 2 groups. Effects of radial access were consistent across the whole spectrum of patients with CAD for all appraised endpoints.

CONCLUSIONS

Compared with femoral access, radial access reduces mortality and MACE and improves safety, with reductions in major bleeding and vascular complications across the whole spectrum of patients with CAD.

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