Computational protocol: Interferential current sensory stimulation, through the neck skin, improves airway defense and oral nutrition intake in patients with dysphagia: a double-blind randomized controlled trial

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Protocol publication

[…] A portable device (Gentle Stim®; J Craft, Osaka, Japan) that can generate an IFC with a beat frequency of 50 Hz was used to carry out TESS. A prototype of the device was used in previous studies,,, without any detectable adverse effects. This device was built to stimulate the nerves inside the neck through placement of two pairs of electrodes of different frequencies (2,000 and 2,050 Hz) across the neck, as shown in . The skin of the anterior neck was cleaned with a wet towel and, then, the electrodes were placed on the neck – the anterior electrodes at the edge of the thyroid cartilage and the posterior electrodes placed 4.0 cm from the ipsilateral electrode – along the mandible. The 15-min SS or sham interventions were undertaken twice per day (am and pm), 5 days per week for 2 weeks. The intensities of the SS and sham interventions were set at 3.0 mA (insufficient to produce muscle contractions) and 0.1 mA, respectively. These procedures were not carried out during meal times or when other therapeutic interventions, such as dysphagia rehabilitation, physical training, and nursing care, were being performed. Because the study did not restrict any traditional rehabilitation or care procedures, participants in both groups received the usual treatment in addition to SS/sham stimulation. […]

Pipeline specifications

Software tools TESS, MUSCLE
Application Nucleotide sequence alignment
Organisms Homo sapiens
Diseases Deglutition Disorders
Chemicals Citric Acid