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The effects of pulsed electromagnetic field on experimentally induced sciatic nerve injury in rats.
Bademoglu, Gülten; Erdal, Nurten; Uzun, Cosar; Tasdelen, Bahar.
Afiliación
  • Bademoglu G; Department of Biophysics, Faculty of Medicine, Mersin University, Mersin, Turkey.
  • Erdal N; Department of Biophysics, Faculty of Medicine, Mersin University, Mersin, Turkey.
  • Uzun C; Department of Biophysics, Faculty of Medicine, Mersin University, Mersin, Turkey.
  • Tasdelen B; Department of Biostatistics and Medical Informatics, Faculty of Medicine, Mersin University, Mersin, Türkiye.
Electromagn Biol Med ; 40(3): 408-419, 2021 Jul 03.
Article en En | MEDLINE | ID: mdl-33797305
Some experimental research indicates that low-frequency pulsed electromagnetic field (PEMF) stimulation may accelerate regeneration in sciatic nerve injury. However, little research has examined the electrophysiological and functional properties of regenerating peripheral nerves under PEMF. The main aim of the present study is to investigate the effects of PEMF on sciatic nerve regeneration in short- and long-term processes with electrophysiologically and functionally after crushing damage. Crush lesions were performed using jewelery forceps for 30 s. After crush injury of the sciatic nerves, 24 female Wistar-Albino rats were divided into 3 groups with 8 rats in each group: SH(Sham), SNI (Sciatic Nerve Injury), SNI+PEMF(Sciatic Nerve Injury+Pulsed Electromagnetic Field). SNI+PEMF group was exposed to PEMF (4 h/day, intensity; 0.3mT, low-frequency; 2 Hz) for 40-days. Electrophysiological records (at the beginning and 1st, 2nd, 4th and 6th weeks post-crush) and functional footprints (at 1st, 2nd, 3rd, 4th, 5th and 6th weeks post crush) were measured from all groups during the experiment. The results were compared to SNI and SNI+PEMF groups, it was found that amplitude and area parameters in the first-week were significantly higher and latency was lower in the SNI+PEMF group than in the SNI group (p < 0,05). However, the effect of PEMF was not significant in the 2nd, 4th, 6th weeks. In addition, in the 1st and 2nd weeks, the SSI parameters were significantly higher in SNI+PMF group than SNI group (p < .05). These results indicate that low-frequency PEMF is not effective for long-periods of application time while PEMF may be useful during the short-term recovery period.
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Texto completo: 1 Colección: 01-internacional Base de datos: MEDLINE Asunto principal: Campos Electromagnéticos / Regeneración Nerviosa Límite: Animals Idioma: En Revista: Electromagn Biol Med Asunto de la revista: BIOLOGIA / FISIOLOGIA Año: 2021 Tipo del documento: Article País de afiliación: Turquía Pais de publicación: Reino Unido
Texto completo
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Texto completo: 1 Colección: 01-internacional Base de datos: MEDLINE Asunto principal: Campos Electromagnéticos / Regeneración Nerviosa Límite: Animals Idioma: En Revista: Electromagn Biol Med Asunto de la revista: BIOLOGIA / FISIOLOGIA Año: 2021 Tipo del documento: Article País de afiliación: Turquía Pais de publicación: Reino Unido