Neurodegenerative disease management · 2025
Lingual pressure as a physiological indicator for dysphagia in amyotrophic lateral sclerosis and multiple system atrophy.
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Magara Jin, Suzuki Taku, Yoshihara Midori, Onuki Wakana, Sasa Anna, Tsujimura Takanori, Inoue Makoto
Аннотация
BACKGROUND: This study aimed to characterize lingual pressure (LP) and clarify its association with dysphagia in patients with amyotrophic lateral sclerosis (ALS) and multiple system atrophy (MSA).
METHODS: We examined 52 patients with ALS (Spinal-onset, 39; bulbar-onset, 13) and 36 patients with MSA (MSA-C, 26; MSA-P, 10). LP was measured using a balloon-type instrument during isometric contractions. Maximum LP (MLP) and 80% endurance of LP (ELP; duration above 80% of MLP during 7 seconds) were analyzed against videofluoroscopic findings of dysphagia.
RESULTS: Both parameters significantly correlated with food intake scales, especially in ALS. Liquid aspiration was predicted in ALS with 80.8% accuracy (AUC = 0.794, p < 0.001) using MLP cutoff of 20.5 kPa, and in MSA with 75.0% accuracy (AUC = 0.786, p < 0.01) using an ELP cutoff of 1.68 second. Predictive accuracy improved in spinal-onset ALS and MSA-C.
CONCLUSION: LP thus may represent a physiological indicator for dysphagia detection and management.
METHODS: We examined 52 patients with ALS (Spinal-onset, 39; bulbar-onset, 13) and 36 patients with MSA (MSA-C, 26; MSA-P, 10). LP was measured using a balloon-type instrument during isometric contractions. Maximum LP (MLP) and 80% endurance of LP (ELP; duration above 80% of MLP during 7 seconds) were analyzed against videofluoroscopic findings of dysphagia.
RESULTS: Both parameters significantly correlated with food intake scales, especially in ALS. Liquid aspiration was predicted in ALS with 80.8% accuracy (AUC = 0.794, p < 0.001) using MLP cutoff of 20.5 kPa, and in MSA with 75.0% accuracy (AUC = 0.786, p < 0.01) using an ELP cutoff of 1.68 second. Predictive accuracy improved in spinal-onset ALS and MSA-C.
CONCLUSION: LP thus may represent a physiological indicator for dysphagia detection and management.