Randomized Controlled Trial

Adjuvant dexamethasone for bupivacaine sciatic and ankle blocks: results from 2 randomized placebo-controlled trials.

Reg Anesth Pain Med. 2013 Jul 1; 38 (4): 300-7.

Perineural dexamethasone may improve post-op analgesia for sciatic blocks but not for ankle blocks when compared with systemic dexamethasone.
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Randomized Controlled Trial

Local infiltration analgesia versus intrathecal morphine for postoperative pain management after total knee arthroplasty: a randomized controlled trial.

Anesth. Analg.. 2011 Oct 1;113(4):926-33.
Randomized Controlled Trial

The analgesic efficacy of subcostal transversus abdominis plane block compared with thoracic epidural analgesia and intravenous opioid analgesia after radical gastrectomy.

Anesth. Analg.. 2013 Aug 1;117(2):507-13.