ArticleMedicine2026
Application of 4-channel neuromuscular electrical stimulation in a chronic stroke patient with dysphagia: A case report.
Article in Medicine, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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2 authors.
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Abstract
rationaleDysphagia is a frequent complication after stroke, often resulting in aspiration, malnutrition, and diminished quality of life. Conventional swallowing rehabilitation, including 2-channel neuromuscular electrical stimulation (NMES), may have limited benefits in chronic cases. A newly developed 4-channel NMES delivers sequential stimulation to mimic physiological swallowing. PATIENT CONCERNS: A 63-year-old man experienced persistent dysphagia 25 months after a left hemispheric infarction. Despite prolonged conventional swallowing rehabilitation combined with 2-channel NMES, he remained restricted to pureed foods (International Dysphagia Diet Standardisation Initiative level 4), required frequent suctioning, and showed severe aspiration on videofluoroscopic swallowing study (penetration-aspiration scale score up to 8). DIAGNOSES: The patient was diagnosed with chronic poststroke dysphagia with severe aspiration confirmed by videofluoroscopic swallowing study.
interventionsThe patient underwent an 8-week course of 4-channel NMES applied twice daily in combination with conventional swallowing rehabilitation. OUTCOMES: Following the intervention, the patient's diet advanced to International Dysphagia Diet Standardisation Initiative level 6, penetration-aspiration scale scores improved to 1 to 3, suctioning was no longer required, and both the Eating Assessment Tool-10 and Swallowing Quality of Life Questionnaire scores markedly improved. LESSONS: This case suggests that 4-channel NMES may be a promising treatment option for chronic poststroke dysphagia refractory to conventional swallowing rehabilitation and warrants further validation in larger studies.
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