Analgesic effect of ultrasound-guided transversus abdominis plane block after total abdominal hysterectomy: a randomized, double-blind, placebo-controlled trial.

Objective: To assess the effect of bilateral ultrasound-guided transversus abdominis plane block with ropivacaine compared with placebo as part of a multimodal analgesic regimen.

Design: A randomized, double-blind, placebo-controlled trial following the CONSORT criteria.

Setting: Hvidovre University Hospital.