Effectiveness of lidocaine spray on radial arterial puncture pain: A randomized double-blind placebo controlled trial.

Objective: Radial arterial puncture is a painful procedure. The aim of this study was to evaluate the effect of lidocaine spray (10%) on pain associated with radial artery blood withdrawal for arterial blood gas analysis.

Methods: This randomized, controlled, double-blind study was performed between December 2018 and September 2019.