Perfusion Index Value in Determining the Success of Axillary Block.

Objective: To evaluate whether the perfusion index (PI) can be used to predict and provide a cut-off value for ultrasound-guided axillary nerve block success.

Study Design: Quasi-experimental study.

Place And Duration Of Study: Department of Anaesthesiology and Reanimation, Adiyaman University Training and Research Hospital, Adiyaman, Turkey, from July to August 2020.