• Ignacio Badiola, Jiabin Liu, Stephanie Huang, John D Kelly, and Nabil Elkassabany.
• Department of Anesthesiology and Critical Care, University of Pennsylvania, 3400 Spruce Street, Philadelphia, PA 19104, United States. Electronic address: Ignacio.badiola@uphs.upenn.edu.
• J Clin Anesth. 2018 Sep 1; 49: 26-29.

Study ObjectiveThis randomized controlled single blinded clinical trial compared the fascia iliaca block (FIB) and the lumbar plexus block (LPB) in patients with moderate to severe pain following hip arthroscopic surgery.DesignSingle blinded randomized trial.SettingPostoperative recovery area, postoperative days 0 and 1.PatientsFifty patients undergoing hip arthroscopy were approached in the Post Anesthesia Care Unit (PACU) if they had moderate to severe pain (defined as > or equal 4/10 on the numeric rating scale). Twenty-five patients were allocated to the FIB and twenty-five patients to the LPB.InterventionsFascia iliaca block or lumbar plexus block.MeasurementsA blinded observer recorded pain scores just prior to the block, 15 min following the block (primary endpoint), and then every 15 min for 2 h (or until the patient was discharged). Total PACU time and opioid use were recorded. Pain scores and analgesic use on postoperative day (POD) 0, and POD 1 were recorded. At 24 h post block the Quality of Recovery 9 questionnaire was administered.ResultsThe mean pre-block pain scores were comparable between the two groups (P = 0.689). There was no difference in mean post block pain scores between the two groups at 15 min (P = 0.054). In the PACU patients who underwent a LPB consumed less opioids compared to FIB patients (P = 0.02), however no differences were noted between the two groups in PACU length of stay, or POD 0 or 1 opioid use.ConclusionA fascia iliaca block is not inferior to a lumbar plexus block in reducing PACU pain scores in patients with moderate to severe pain following hip arthroscopic surgery and is a viable option to help manage postoperative pain following hip arthroscopic surgery.Copyright © 2018. Published by Elsevier Inc.

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