Comparison of local infiltration analgesia with single injection femoral nerve block in total knee arthroplasty.

Schwab, Pierre-Emmanuel;Yombi, Jean Cyr;Lavand'homme, Patricia;Thienpont, Emmanuel
(2019) Acta Orthopaedica Belgica (Bilingual Edition) — Vol. 85, n° 1, p. 122-129 (2019)

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Abstract
The purpose of this study was to compare the analgesic and hemostatic effects of Local Infiltration Analgesia (LIA) with single injection femoral nerve block (SFNB). A database of patients undergoing knee arthroplasty between 2008 and 2013 was analyzed. A group of patients who underwent minimally invasive TKA either with SFNB (n = 112) or with LIA (n = 112) were matched. In the early postoperative period, the LIA group had a significantly lower VAS score, a lower drop in Hb and a lower length of hospital stay. Both the SFNB and LIA techniques provide excellent pain relief following TKA. Nevertheless, LIA reduces pain better in the very early postoperative period by a more complete nerve blockade allowing immediate postoperative mobilization and ambulation leading to a shorter hospital stay. Furthermore, LIA decreases perioperative blood loss by its local hemostatic effect.
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Schwab, P.-E., Yombi, J. C., Lavand’homme, P., & Thienpont, E. (2019). Comparison of local infiltration analgesia with single injection femoral nerve block in total knee arthroplasty. Acta Orthopaedica Belgica (Bilingual Edition), 85(1), 122-129. https://hdl.handle.net/2078.5/170484 (Original work published 2019)