Box-ED

What is already known on the study topic?

Ice-pack application on the injection site is effective in reducing pain, and it is a convenient and cheap process.

A previous study showed the effectiveness of ice packing before digital nerve block in healthy volunteers.

What is the importance od this study for readers?

This study is performed in patients with traumatic finger injury, which is the first to the best of our knowledge.

How is this study structured?

A prospective, randomized, non-blinded clinical trial was performed in parallel groups with a 1:1 allocation ratio and a block size of 2.

What does this study tell us?

Ice pack is inexpensive, readily available, and is easy to apply. We recommend this method to reduce the injection pain before digital nerve block in the emergency department.