Medical University of South Carolina
This study evaluates the safety, feasibility, and preliminary effects of transcutaneous auricular vagus nerve stimulation (taVNS) paired with an oral sensorimotor training protocol in infants with severe dysphagia. Infants with significant sucking and swallowing impairment will receive twice-daily taVNS paired with oromotor training over a three-week period. Outcomes include swallowing mechanics, sucking proficiency, and functional feeding performance assessed before and after the intervention.
Inclusion Criteria: * Infants ≥37 weeks post-menstrual age * Diagnosed with dysphagia and significant sucking/swallowing impairment * Limited oral feeding ability * Admitted to NICU Exclusion Criteria: * Cardiomyopathy * Unstable bradycardia * Significant respiratory support requirement * Absence of gag reflex * Inability to manage secretions * Infants of poorly controlled diabetic mothers
A non-invasive neuromodulation intervention delivered via electrodes placed on the ear tragus. Electrical stimulation is delivered at low intensity during feeding-related oromotor training sessions.
A structured oromotor stimulation protocol including stimulation of lips, tongue, cheeks, and palate, along with non-nutritive sucking and feeding practice as appropriate.
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