Levobupivacaine–tramadol combination for caudal block in children: a randomized, double‐blinded, prospective study 1

Background:  The aim of this prospective study was to compare the postoperative analgesic efficacy and duration of analgesia after caudal levobupivacaine 0.125% or caudal tramadol 1.5 mg·kg−1 and mixture of both in children undergoing day‐case surgery.

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