Update on postoperative analgesia in children.

Postoperative pain treatment is the challenge of the new century; we know that even starting from the 24(th) week of gestational age, the fetus can feel pain and that memory of uncontrolled pain can change the pain threshold in children. We have now new drugs and new tools for an optimal pain control also in children and this review is an update on the new therapies and devices which can help us in the daily clinical practice.