Journal
KOREAN JOURNAL OF ANESTHESIOLOGY
Volume 76, Issue 4, Pages 326-335Publisher
KOREAN SOC ANESTHESIOLOGISTS
DOI: 10.4097/kja.22669
Keywords
Analgesia; Chronic post-surgical pain; Enhanced recovery after surgery; Hip replacement arthroplasty; Nerve block; Postoperative pain
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This study compared the analgesic effectiveness and motor impairment between ultrasound-guided supra-inguinal fascia iliaca block (FIB) and erector spinae plane block (ESPB) after total hip arthroplasty (THA). The results showed that there were no significant differences in morphine consumption and pain scores at 24 hours after surgery between the two methods. However, FIB provided more reliable sensory block in the femoral nerve and lateral femoral cutaneous nerve distributions, while ESPB resulted in better preservation of quadriceps motor strength. There were no differences in side effects or incidence of chronic pain between the groups.
Background: Ultrasound-guided supra-inguinal fascia iliaca block (FIB) provides effective analgesia after total hip arthroplasty (THA) but is complicated by high rates of motor block. The erector spinae plane block (ESPB) is a promising motor-sparing technique. In this study, we tested the analgesic superiority of the FIB over ESPB and associated motor impairment.Methods: In this randomized, observer-blinded clinical trial, patients scheduled for THA under spinal anesthesia were randomly assigned to preoperatively receive either the ultrasound-guided FIB or ESPB. The primary outcome was morphine consumption 24 h after surgery. The secondary outcomes were pain scores, assessment of sensory and motor block, incidence of postoperative nausea and vomiting and other complications, and development of chronic post-surgical pain. Results: A total of 60 patients completed the study. No statistically significant differences in morphine consumption at 24 h (P = 0.676) or pain scores were seen at any time point. The FIB produced more reliable sensory block in the femoral nerve (P = 0.001) and lateral femoral cutaneous nerve (P = 0.018) distributions. However, quadriceps motor strength was better preserved in the ESPB group than in the FIB group (P = 0.002). No differences in hip adduction motor strength (P = 0.253), side effects, or incidence of chronic pain were seen between the groups.Conclusions: ESPBs may be a promising alternative to FIBs for postoperative analgesia after THA. The ESPB and FIB offer similar opioid-sparing benefits in the first 24 h after surgery; however, ESPBs result in less quadriceps motor impairment.
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