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Beyond the Pericapsular Nerve Group (PENG) Block: A Narrative Review

October 19, 2022

The pericapsular nerve group block shows promising results in providing pain relief with a potential motor-sparing effect in hip fracture patients. In this narrative review, we analyze the published articles, and we describe the structures achieved when performing the block. We conducted a literature search to identify the articles performing the pericapsular nerve group block, in the adult or paediatric population, from November 1, 2018, to May 15, 2021. Of the 68 selected articles, 38 were considered eligible, including 1 double-blinded randomized comparative trial, 4 observational studies, and 33 case series and case reports. The technique was described in both acute and chronic pain settings, mainly performed as single shot. All studies described effective analgesia. Quadriceps weakness was experienced in some patients. It has been described as easy to perform and has a low rate of complications. It lacks, however, adequately powered randomized controlled trials to assess its clinical value and efficacy.
Keywords:
Acute pain, chronic pain, nerve block, pain management