Adding a Low-concentration Sciatic Nerve Block to Total Knee Arthroplasty in Patients Susceptible to the Adverse Effects of Nonsteroidal Anti-inflammatory Drugs (NSAIDs)

A Randomized Controlled Trial

Busara Sirivanasandha; Kulwadee Sutthivaiyakit; Thippatai Kerdchan; Suppachai Poolsuppasit; Suwimon Tangwiwat; Pathom Halilamien


BMC Anesthesiol. 2021;21(282) 

In This Article


For patients susceptible to the adverse effects of NSAIDs, adding a low concentration of SNB combined with dexamethasone is an effective adjunctive technique to ACB and PIA for acute postoperative pain control in TKA. It offers benefits in early postoperative pain control (especially pain on movement) without a significant motor blockade.