• Alejandro Heredia Ciuró, Javier Martín Núñez, Andrés Calvache Mateo, Laura López-López, Maria Dels Angels Cebriá I Iranzo, Irene Cabrera Martos, and Marie Carmen Valenza.
• Department of Physiotherapy, Faculty of Health Sciences, University of Granada, Granada, Spain.
• Clin J Pain. 2024 Oct 16.

ObjectivesThe aim of this systematic review and meta-analysis was to evaluate the effectiveness of the percutaneous electrical stimulation in the modulation of pain and its implication in the function of patients with a painful knee condition.MethodsA search was conducted from database inception to September 2023 across PubMed, Web of Science and Scopus databases. Randomized controlled trials were included. Two reviewers performed independent data extraction and methodologic quality assessment of the studies. Study quality was assessed using the PEDro scale and the risk of bias was evaluated with the Cochrane Assessment tool.ResultsEight studies were included. A significant statistical effect was found (P<0.001) for reducing pain and improving function after treatment. Additionally, a significant statistical effect was presented for reducing pain (P=0.009) and improving function (P<0.001) after follow-up. The risk of bias was low.ConclusionThis review showed a positive effect of applying the percutaneous electrical stimulation reducing pain and improving function in adults with a painful knee.Copyright © 2024 Wolters Kluwer Health, Inc. All rights reserved.

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