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J Arthroplasty. 2014 Feb;29(2):393-6. doi: 10.1016/j.arth.2013.06.028. Epub 2013 Aug 9.

Surgeon delivered psoas compartment block in total hip arthroplasty.

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Department of Trauma and Orthopaedics, Midwestern Regional and Croom Orthopaedic Hospital, Limerick, Ireland.
Department of Anaesthesia, Midwestern Regional and Croom Orthopaedic Hospital, Limerick, Ireland.


Total hip arthroplasty is associated with significant postoperative pain. A psoas compartment block is superior to other regional techniques in analgesia post THA. However, traditional methods of delivery are associated with serious complications. We present a technique of a surgeon delivered lumbar plexus block through injection at the portion of the iliopsoas seen intraoperatively. We randomised fifty-three consecutive patients into two groups. The group that received the block had an increased period prior to requesting supplementary analgesia and lower overall pain scores. There were no adverse effects. We have demonstrated the analgesic efficacy of Psoas Compartment Block performed during surgical access for total hip arthroplasty. This technique should be considered in the analgesic regimen for total hip arthroplasty.


analgesia; lumbar plexus block; psoas block; surgeon delivered; total hip replacement

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