Neuromuscular electrical stimulation improves swallowing initiation in patients with post-stroke dysphagia

Neuromuscular electrical stimulation improves swallowing initiation in patients with post-stroke dysphagia

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ObjectiveMore than half of post-stroke patients develop dysphagia, which manifests as delayed swallowing and is associated with a high risk of aspiration.In this study, we aimed to investigate the immediate effect of neuromuscular electrical stimulation (NMES) on icon track bar f250 swallowing initiation in post-stroke patients using videofluoroscopic swallowing study (VFSS) data.Materials and methodsThis randomized, self-controlled crossover study included 35 patients with post-stroke dysphagia.All selected patients received real and sham NMES while swallowing 5 ml of thin liquid.Participants completed the conditions in random order, with a 10-min interval between conditions.

The primary evaluation indicators included the Modified Barium Swallow Impairment Profile-6 (MBSImp-6) and Penetration-Aspiration Scale (PAS).Secondary indicators included oral transit time (OTT), pharyngeal transit time (PTT), sensationnel kiyari and laryngeal closure duration (LCD).ResultsModified Barium Swallow Impairment Profile-6 (P = 0.008) and PAS (P < 0.001) scores were significantly lower in the Real-NMES condition than in the Sham-NMES condition.

OTT (P < 0.001) was also significantly shorter during Real-NMES than during Sham-NMES.However, LCD (P = 0.225) and PTT (P = 0.161) did not significantly differ between the two conditions.

ConclusionNeuromuscular electrical stimulation may represent a supplementary approach for promoting early feeding training in patients with post-stroke dysphagia.Clinical trial registration[https://clinicaltrials.gov/], identifier [ChiCTR2100052464].