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Comparison of analgesic efficacy of pericapsular group of nerve block versus anterior quadratus lumborum block in adult patients undergoing unilateral hip arthroplasty: A comparative randomized controlled trial.

Kaimedinlung Newmai·Ravinder Kumar Pandey·Ankur Sharma·Vanlal Darlong·Jyotsna Punj·Vijay Kumar·Bhavuk Garg·Souvik Maitra·Mritunjay Kumar·Sana Yasmin Hussain
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Abstract

BACKGROUND: Total hip arthroplasty is a painful surgical procedure; therefore, it is a challenge to manage effective pain control during the perioperative period. STUDY OBJECTIVES: We compared the analgesic efficacy of the pericapsular nerve group block and the anterior quadratus lumborum block in patients undergoing unilateral hip arthroplasty. DESIGN: Randomized controlled trial. SETTINGS: Operating room of a tertiary care center. PATIENTS: 92 adult patients of >18 years who underwent elective, unilateral total hip arthroplasty under spinal anesthesia were randomized to either Group P (USG guided PENG block with 30 ml 0.25% ropivacaine +4 mg dexamethasone) or Group Q (USG guided QL block with 30 ml 0.25% ropivacaine +4 mg dexamethasone) 20 min before surgery. MEASUREMENTS: We compared the total perioperative fentanyl consumption between the two groups in the first 24 h as the primary outcome. Other outcomes included time to first rescue analgesia in the postoperative period, NRS scores at rest and on movement at 0, 2, 4, 6, 12, and 24 h, incidence of intraoperative hemodynamic changes, and incidence of postoperative PONV. MAIN RESULTS: There was no significant difference in the total fentanyl consumption between the two groups: 237.5 (150-450) μg in the P group and 250 (125-400) μg in the Q group; p = 0.617. The time to first rescue analgesia was similar in both groups: the P group (198 [123-268] minutes) and the Q group (241 [180-318] minutes); p = 0.120. There was also no difference in pain scores, intraoperative hemodynamic changes, or PONV. CONCLUSION: There was no difference in the perioperative opioid consumption, pain scores, and adverse event rates between the pericapsular nerve group block and anterior quadratus lumborum block in adult patients undergoing unilateral hip arthroplasty. TRIAL REGISTRATION: Clinical Trials Registry of India (CTRI number: CTRI/2023/08/057157).

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HumansArthroplasty, Replacement, HipNerve BlockFemaleMiddle AgedPostoperative PainMaleAgedFentanylAnalgesics, OpioidAnesthetics, LocalPain MeasurementRopivacaineTreatment OutcomeAnesthesia, SpinalAdultDexamethasoneUltrasonography, InterventionalPain ManagementHip arthroplastyPericapsular nerve group blockQuadratus lumborum blockJournal ArticleRandomized Controlled TrialComparative Study

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Kaimedinlung Newmai, Ravinder Kumar Pandey, Ankur Sharma, Vanlal Darlong, Jyotsna Punj, Vijay Kumar, Bhavuk Garg, Souvik Maitra, Mritunjay Kumar, Sana Yasmin Hussain. 2026-08-08. Comparison of analgesic efficacy of pericapsular group of nerve block versus anterior quadratus lumborum block in adult patients undergoing unilateral hip arthroplasty: A comparative randomized controlled trial.. https://doi.org/10.1016/j.jclinane.2026.112294

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