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| 21KF-022 |
Reduction of Postoperative Opioid Consumption after Pericapsular Nerve Group Block in Hip Surgery:A Randomized Trial
Department of Anesthesiology and Pain Medicine, University of Dong-A College of Medicine, Busan, Republic of Korea
Introduction: Pericapsular nerve group (PENG) block is a recently performed block technique aimed at nerves distributed on the anterior surface of the hip joint. However, with only a small number of case reports, few validation and randomized controlled trial (RCT) are currently available. This RCT compared the effects of PENG nerve block on the reduction of postoperative total opioid and analgesia consumption after hip surgery.
Methods: Fifty-eight patients undergoing hip surgery were randomly allocated to receive either PENG block using 0.5% ropivacaine 25mL (PENG group), or PENG block using normal saline 25mL (Control group). The primary outcome was total opioid consumption(IV fentanyl equivalent) at 24 hr postoperatively. Pain scores were assessed preoperatively, at postanesthesia care unit, and 6, 12, 18, and 24 hr postoperatively.
Results: Fifty patients were finally selected as subjects for the study: 25 patients in the PENG group and 25 patients in the Control group. There was no difference between treatment groups with respect to age, sex, fracture type, baseline pain intensity. Total opioid consumption was significantly lower in PENG group at 24 hr after surgery (440.72 ± 242.20 mcg) versus Control group (611.07 ±313.90 mcg), p=0.037. There was no difference in side effects between both groups.
Conclusion: For hip surgery, PENG group decreased 24 hr total opioid consumption compared to Control group. However further studies are required to determine as an alternative regional analgesia technique to other regional nerve blocks.
1. Aliste J, Layera S, Bravo D, et al. Randomized comparison between PENG block and suprainguinal fascia iliaca block for total hip arthroplasty. Reg Anesth Pain Med. 2021; 46: 874-8
2. Giron-Arango L, Peng PWH, Chin KJ, et al. Pericapsular nerve group (PENG) block for hip fracture. Reg Anesth Pain Med. 2018; 43: 859-63
Methods: Fifty-eight patients undergoing hip surgery were randomly allocated to receive either PENG block using 0.5% ropivacaine 25mL (PENG group), or PENG block using normal saline 25mL (Control group). The primary outcome was total opioid consumption(IV fentanyl equivalent) at 24 hr postoperatively. Pain scores were assessed preoperatively, at postanesthesia care unit, and 6, 12, 18, and 24 hr postoperatively.
Results: Fifty patients were finally selected as subjects for the study: 25 patients in the PENG group and 25 patients in the Control group. There was no difference between treatment groups with respect to age, sex, fracture type, baseline pain intensity. Total opioid consumption was significantly lower in PENG group at 24 hr after surgery (440.72 ± 242.20 mcg) versus Control group (611.07 ±313.90 mcg), p=0.037. There was no difference in side effects between both groups.
Conclusion: For hip surgery, PENG group decreased 24 hr total opioid consumption compared to Control group. However further studies are required to determine as an alternative regional analgesia technique to other regional nerve blocks.
1. Aliste J, Layera S, Bravo D, et al. Randomized comparison between PENG block and suprainguinal fascia iliaca block for total hip arthroplasty. Reg Anesth Pain Med. 2021; 46: 874-8
2. Giron-Arango L, Peng PWH, Chin KJ, et al. Pericapsular nerve group (PENG) block for hip fracture. Reg Anesth Pain Med. 2018; 43: 859-63
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