Effects of interferential current on autonomic nervous system in healthy volunteers: randomized clinical trial

• Autor(a) principal: Oliveira, Murilo Rezende
• Data de Publicação: 2022
• Outros Autores: Lima, Katieli Santos de, Righi, Natiele Camponogara, Nascimento, Juliana Rosa, Righi, Geovana de Almeida, Silva, Antônio Marcos Vargas da, Signori, Luis Ulisses
• Tipo de documento: Artigo
• Idioma: por; eng
• Título da fonte: Saúde e Pesquisa (Online)
• Texto Completo: https://periodicos.unicesumar.edu.br/index.php/saudpesq/article/view/8280
• topic: Autonomic nervous system; Blood Pressure; Electric stimulation therapy; Heart rate; Sympathetic nervous system; Efeitos da eletroterapia sobre o sistema nervoso autônomo; Frequência cardíaca; Pressão sanguínea; Sistema nervoso autônomo; Sistema nervoso simpático; Terapia por estimulação elétrica

To evaluate the effects of different amplitude-modulated frequency (AMF-100Hz and AMF-10Hz) of the interferential current (IC) on autonomic nervous system (ANS) in healthy volunteers. Thirty healthy volunteers (23.7 ±2.7 years old) were randomized into placebo interventions (turned off), IC with AMF-100Hz and IC with AMF-10Hz. Interventions ware applied in the paravertebral ganglionar region for 30 minutes. ANS evaluated by the heart rate variability before and immediately after the interventions. 10Hz intervention reduced the sympathetic activity in 6% and an increase in the parasympathetic in 6%. 100Hz intervention increased 12% to sympathetic activity and decreased 12% to parasympathetic activity. IC changes the autonomic balance in healthy volunteers. 10Hz reduces the sympathetic activity and increases parasympathetic, although the 100Hz has opposite results. The IC at 10Hz improves the autonomic balance and presents potential effects to be tested in hypertensive patients.