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Randomized Controlled Trial
. 2025 May 5;15(1):15723.
doi: 10.1038/s41598-025-00978-4.

Iliopsoas plane block versus femoral nerve block for postoperative quality of recovery following hip arthroplasty: a randomized controlled trial

Bo-Wei Jiang  1 , Ying Guo  2 , Ya-Nan Han  1 , Yan-Hui Bai  1 , Xu Chen  3 , Ke-Fei Zhao  1 , Yi-Bo Liu  4 , Chun-Guang Wang  5
Affiliations
Randomized Controlled Trial

Iliopsoas plane block versus femoral nerve block for postoperative quality of recovery following hip arthroplasty: a randomized controlled trial

Bo-Wei Jiang et al. Sci Rep. .

Abstract

The iliopsoas plane block (IPB) is a novel analgesic technique that has been demonstrated to be effective for hip fracture and hip replacement surgery. This study aimed to assess the effect of IPB on postoperative quality of recovery following elective hip arthroplasty compared with femoral nerve block (FNB). One hundred patients underwent elective hip arthroplasty were randomly assigned to the IPB or FNB groups. The primary outcome was the quality of recovery 24 h after surgery. Secondary outcomes included the quality of recovery at 48 and 72 h after surgery, pain scores, quadriceps strength, first time out of bed, total opioid consumption, patient satisfaction, and complications. Compared with participants in the FNB group, Quality of recovery-15 score at 24-h was significantly higher in the IPB group (127 [123-130] vs. 117.5 [113.7-120.2]), with a median difference of 9 (95% CI, 7-11; P < 0.001). Moreover, the QoR-15 score of the IPB group was higher than that of the FNB group at 48 and 72 h after surgery (P < 0.001). However, there were no clinically significant differences between the two groups. Quadriceps strength was superior in the IPB group than that in the FNB group (P < 0.001). The first time out of bed was shorter in the IPB group than that in the FNB group (P < 0.001). This study found that IPB enhanced the quality of recovery in the first 24 h following hip arthroplasty compared with FNB.Trial registration Chinese Clinical Trial Registry ChiCTR2200055289.

Keywords: Femoral nerve block; Hip arthroplasty; Iliopsoas plane block; Quality of recovery.

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Conflict of interest statement

Declarations. Competing interests: The authors declare no competing interests. Ethical approval: This randomised controlled trial was approved by the Medical Ethics Committee of the First Central Hospital of Baoding [2021]181.

Figures

Fig. 1
Fig. 1
CONSORT diagram. CONSORT, Consolidated Standards of Reporting Trials.
Fig. 2
Fig. 2
QoR-15 total by group and postoperative day. Boxplots display the median and 25% and 75% inter-quartile range. QoR-15, 15-item quality of recovery scale; IPB, iliopsoas plane block; FNB, femoral nerve block.
Fig. 3
Fig. 3
Forest plots for the five dimensions of the QoR-15 as recorded at 24 h and 48 h after surgery. QoR-15, 15-item quality of recovery scale.
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