Introduction: Transradial access (TRA) for coronary angiography (CAG) and percutaneous coronary intervention (PCI) is superior to transfemoral access (TFA). Transulnar access (TUA) is an alternative to TRA.
Aim: To compare the efficacy and safety of TRA vs. TUA in patients scheduled for CAG or PCI.
Material and methods: This was a prospective, single-center, randomized study conducted between 2013 and 2016. Two hundred patients referred for the first elective CAG were included in the study. Eligible patients were then randomly assigned to the TRA or TUA group. Before and after the invasive procedure, all patients underwent ultrasonographic measurements of the right upper limb arteries.
Results: The primary endpoint was efficacy, defined as a successful CAG without a crossover of vascular access. The secondary endpoint was safety, assessed as the number of vascular complications. Successful coronary angiography via the access site was 95% vs. 75% in the TRA vs. TUA groups, respectively (p < 0.001). It depended on the anatomy of UA and the operator experience. No differences were observed in early and late follow-up complications.
Conclusions: TRA was superior to TUA with regard to efficacy. TUA occurred a safe approach for CAG and PCI and could be used as an alternative method of forearm access.
Keywords: complications; transulnar access; ultrasonography.
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