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Keywords = vocal fold dysmobility

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11 pages, 1487 KiB  
Article
Laryngeal Electromyography in the Therapeutic Process of Patients with Vocal Fold Immobility or Dysmobility
by Paulina Krasnodębska, Agata Szkiełkowska, Ludmiła Czarkwiani-Woźniakowska, Beata Miaśkiewicz, Anna Sinkiewicz and Henryk Skarżyński
Life 2022, 12(3), 390; https://doi.org/10.3390/life12030390 - 8 Mar 2022
Cited by 5 | Viewed by 2902
Abstract
(1) Background: Laryngeal electromyography (LEMG) plays a key role in classifying the severity of nerve damage and determining the prognosis of the nerve recovery. LEMG is primarily a qualitative study, without a standardized approach to interpretation. The development of qualitative and quantitative analysis [...] Read more.
(1) Background: Laryngeal electromyography (LEMG) plays a key role in classifying the severity of nerve damage and determining the prognosis of the nerve recovery. LEMG is primarily a qualitative study, without a standardized approach to interpretation. The development of qualitative and quantitative analysis would situate LEMG in the gold standard of modern neurolaryngologic diagnostics. The aim of this study was to quantitatively evaluate laryngeal electromyography recorded in patients with vocal fold immobility or dysmobility. (2) Methods: The electromyographic material comprised 84 thyroarytenoid muscles recordings of 42 patients. (3) Results: In our study, we observed significant differences between EMG characteristics of healthy and paralyzed VF. Our study showed that recording laryngeal muscle activity during successive phases of breathing provides additional valuable information. We noticed that the frequency and amplitude of motor unit potentials correlates with the return of vocal fold functionality. (4) Conclusions: Laryngeal EMG guides the clinician on the best course of treatment for the patient. It is therefore important to develop an effective methodology and consensus on the quantitative interpretation of the record. Amplitude and frequency parameters are valuable in predicting neural recovery and in the return of vocal fold mobility. Full article
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