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Título: Galvanic current dosage and bacterial concentration are determinants of the bactericidal effect of percutaneous needle electrolysis: an in vitro study
Fecha de publicación: sep-2021
Editorial: Springer Nature
Cita bibliográfica: Scientific report (2021) 11:18977
ISSN: Electronic: 2045-2322
Materias relacionadas: CDU::5 - Ciencias puras y naturales::57 - Biología::579 - Microbiología
CDU::6 - Ciencias aplicadas::61 - Medicina::615 - Farmacología. Terapéutica. Toxicología. Radiología
Palabras clave: Percutaneous needle electrolysis
Galvanic current
Staphylococcus aureus
Resumen: Percutaneous needle electrolysis (PNE) is a physiotherapy technique that has been shown to be effective in different pathologies such as tendinopathies or mammary fistula. For many years, theoretical bactericidal and germicidal effects have been attributed to this type of galvanic currents, partly explained by the changes in pH that it generates. However, these effects have not yet been demonstrated. The aim of this study was to evaluate the bactericidal effect and the changes in pH caused by PNE. S. aureus were prepared in two different solutions (TSB and saline solution) and in different concentrations (from 9 to 6 Log10 CFU/mL). Bacteria were treated with three experimental PNE doses to assess bacterial death levels and the changes caused to the pH of the medium. The viable cell count showed that all experimental PNE doses had a bactericidal efect against a high concentration (9 Log10 CFU/mL) of S. aureus in saline solution (p < 0.001). Furthermore, we found that when the concentration of bacteria decreased, a lower dose of galvanic current generated the same effect as a higher dose. Changes in pH were registered only in experiments performed with saline solution. PNE had a bactericidal effect against S. aureus and the level of this effect was mainly modulated by the solution, the bacterial concentration and the dose. Changes affecting pH were modulated by the type of solution and there was no relationship between this and bacterial death.
Autor/es principal/es: García Vidal, José Antonio
Salinas Lorente, Jesús
Escolar-Reina, Pilar
Cuello, Francisco
Ortega, Nieves
Berná Mestre, Juan de Dios
López-Nicolás, Manuel
Valera-Garrido, Fermín
Medina Mirapeix, Francesc
Versión del editor: https://www.nature.com/articles/s41598-021-98451-5
URI: http://hdl.handle.net/10201/148134
DOI: https://doi.org/10.1038/s41598-021-98451-5
Tipo de documento: info:eu-repo/semantics/article
Número páginas / Extensión: 7
Derechos: info:eu-repo/semantics/openAccess
Atribución 4.0 Internacional
Descripción: © The Author(s) 2021. This manuscript version is made available under the CC-BY 4.0 license http://creativecommons.org/licenses/by/4.0/. This document is the Published version of a Published Work that appeared in final form in Scientific Reports . To access the final edited and published work see https://doi.org/10.1038/s41598-021-98451-5
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