• Am J Emerg Med · Mar 2016

    Randomized Controlled Trial Multicenter Study

    Ultrasound-guided nerve blocks for intracapsular and extracapsular hip fractures.

    • Eitan Dickman, Illya Pushkar, Antonios Likourezos, Knox Todd, Ula Hwang, Saadia Akhter, and Sean Morrison.
    • Department of Emergency Medicine, Maimonides Medical Center, 4802 Tenth Ave, Brooklyn, NY 11219.
    • Am J Emerg Med. 2016 Mar 1; 34 (3): 586-9.

    ObjectivesTo compare pain relief between patients with intracapsular and extracapsular hip fractures who received an ultrasound-guided femoral nerve block (USFNB).DesignA multicenter, prospective, randomized, clinical trial.SettingThe study was conducted in the emergency departments of 3 academic hospitals located in New York City.SubjectsPatients aged ≥60 years presenting to the emergency department with hip fracture.MethodsA subgroup analysis from a larger data set was conducted of patients with intracapsular and extracapsular hip fractures who received an USFNB. We compared pain scores at baseline and then at 2 and 3 hours after the nerve block was performed, and also assessed pain relief at 2 and 3 hours.ResultsSeventy-seven patients were randomized to receive USFNB, of which 68 had follow-up data at 2 and 3 hours and were included in the data analysis. Thirty-one were diagnosed with intracapsular and 37 with extracapsular hip fractures. In both groups, reductions in pain scores were clinically and statistically significant. In the intracapsular group, mean pain scores decreased from 6.23 to 3.81 (P < .0001) at 2 hours and from 6.23 to 3.87 (P < .0001) at 3 hours. In the extracapsular group, mean pain scores decreased from 6.62 to 3.89 (P < .0001) at 2 hours and from 6.62 to 3.46 (P < .0001) at 3 hours. These differences were similar between the extracapsular and intracapsular groups at 2 hours (P = .92) and at 3 hours (P = .58), thus demonstrating similar reductions in pain in the 2 groups. The differences in pain relief between the intracapsular and extracapsular groups were also similar: 1.61 (confidence interval [CI], 1.14-2.08) vs 1.35 (CI, 0.96-1.75) at 2 hours (P = .39) and 1.68 (CI, 1.21-2.15) vs 1.38 (CI, 0.89-1.87) at 3 hours (P = .38).ConclusionUltrasound-guided femoral nerve block was equally effective in reducing pain for patients with both intracapsular and extracapsular hip fractures.Published by Elsevier Inc.

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