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Laryngeal three-dimensional CT scan Arytenoid cartilage does not show any deviation suggestive of dislocation. There is almost no change in the position of the vocal cords during either the inspiration or the vocalization phase, indicating that their movement is highly impaired. (A, B) Inspiration phase. (C) Vocalization phase. Yellow: arytenoid cartilage; dark brown: cricoid cartilage; light brown: thyroid cartilage; light green, V-shaped structure at ventral side: vocal cord.

Laryngeal three-dimensional CT scan Arytenoid cartilage does not show any deviation suggestive of dislocation. There is almost no change in the position of the vocal cords during either the inspiration or the vocalization phase, indicating that their movement is highly impaired. (A, B) Inspiration phase. (C) Vocalization phase. Yellow: arytenoid cartilage; dark brown: cricoid cartilage; light brown: thyroid cartilage; light green, V-shaped structure at ventral side: vocal cord.

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Management with ventilation is used for severe cases of coronavirus disease 2019 (COVID-19). After extubation, recurrent laryngeal nerve paralysis due to various factors may occur. Almost all cases of paralysis develop unilaterally; however, bilateral recurrent laryngeal nerve paralysis occurs rarely. Such cases may be fatal due to upper air obstru...

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... three-dimensional CT scan imaging revealed no sign of dislocation of the arytenoid cartilage. Furthermore, almost no movement of the vocal cord was observed during inspiration and vocalization ( Figure 3). In addition, no other causative findings of vocal cord movement disorders such as inflammatory scar and tumor of the larynx were observed. ...

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... The prevalence of oropharyngeal dysphagia in critically ill patients with COVID-19 is reportedly as high as 96% (Osbeck et al., 2021). In severe cases of acute COVID-19 infection, endotracheal intubation and mechanical ventilation is commonly required (Regan et al., 2021) and research suggests that these patients may then experience dysphagia in the acute infection phase as a result of prolonged recurrent laryngeal nerve paralysis and severe respi-ratory injury (Okuda et al., 2022;Jungbauer et al., 2021). As such, studies have suggested that oropharyngeal dysphagia should be considered a potential Long-COVID symptom as it may persist beyond the acute phase of COVID-19 infection (Okuda et al., 2022). ...
... In severe cases of acute COVID-19 infection, endotracheal intubation and mechanical ventilation is commonly required (Regan et al., 2021) and research suggests that these patients may then experience dysphagia in the acute infection phase as a result of prolonged recurrent laryngeal nerve paralysis and severe respi-ratory injury (Okuda et al., 2022;Jungbauer et al., 2021). As such, studies have suggested that oropharyngeal dysphagia should be considered a potential Long-COVID symptom as it may persist beyond the acute phase of COVID-19 infection (Okuda et al., 2022). Although causation is not fully established yet, multiple factors are thought to contribute to the pathophysiology of dysphagia in patients with Long-COVID, including muscle-related injury, critical illness myopathy and polyneuropathy, central nervous system impairments, impaired laryngeal sensation due to intubation, dyspnoea, and desynchronisation of breathing and swallowing, among other factors (Chuang et al., 2022;Okuda et al., 2022;Jungbauer et al., 2021). ...
... As such, studies have suggested that oropharyngeal dysphagia should be considered a potential Long-COVID symptom as it may persist beyond the acute phase of COVID-19 infection (Okuda et al., 2022). Although causation is not fully established yet, multiple factors are thought to contribute to the pathophysiology of dysphagia in patients with Long-COVID, including muscle-related injury, critical illness myopathy and polyneuropathy, central nervous system impairments, impaired laryngeal sensation due to intubation, dyspnoea, and desynchronisation of breathing and swallowing, among other factors (Chuang et al., 2022;Okuda et al., 2022;Jungbauer et al., 2021). Due to these complications, patients are at risk of delayed laryngeal elevation (Okuda et al., 2022). ...
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