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<p>This study aimed to characterize the abnormal swallowing features observed during Videofluoroscopic Swallowing Studies (VFSS) in moderate to severe COVID-19 patients. From the JH CROWN cohort database (January 2020 to March 2022), a total of 3,660 patients with moderate to severe COVID − 19 disease requiring oxygen supplementation were identified. The study abstracted and reported VFSS referral rates and swallowing characteristics using Modified Barium Swallow Impairment Profile (MBSImP). 16% (<i>n</i> = 588) of patients exhibited dysphagia; only half underwent VFSS. Among those referred, 39.3% had COVID-19 severity level 7, 39% exhibited aspiration, and 30% had silent aspiration. Abnormal MBSImP scores were reported in the following components: tongue control during bolus hold (score 2/3, 40%), bolus transport and lingual motion (score 3/4, 34%), oral residue (score 2/4, 57.7%), initiation of pharyngeal swallow (score 3/4, 65.2%), laryngeal vestibular closure (score 1/2, 64.5%), and pharyngeal residue (score 2/4, 50.5%). In conclusion, this large cohort of COVID-19 patients exhibited a myriad of swallowing abnormalities in the oral and pharyngeal phases, with a notably high rate of silent aspiration. Moreover, differentiating COVID-19-induced dysphagia from post-extubation dysphagia is challenging.</p>

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Abnormal Swallowing Characteristics in COVID-19 Patients

  • 期刊论文

  • 发表日期：

    2025年8月9日

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  • Pajeemas Kittipanya-ngam,
  • Marlís González-Fernández

摘要

This study aimed to characterize the abnormal swallowing features observed during Videofluoroscopic Swallowing Studies (VFSS) in moderate to severe COVID-19 patients. From the JH CROWN cohort database (January 2020 to March 2022), a total of 3,660 patients with moderate to severe COVID − 19 disease requiring oxygen supplementation were identified. The study abstracted and reported VFSS referral rates and swallowing characteristics using Modified Barium Swallow Impairment Profile (MBSImP). 16% (n = 588) of patients exhibited dysphagia; only half underwent VFSS. Among those referred, 39.3% had COVID-19 severity level 7, 39% exhibited aspiration, and 30% had silent aspiration. Abnormal MBSImP scores were reported in the following components: tongue control during bolus hold (score 2/3, 40%), bolus transport and lingual motion (score 3/4, 34%), oral residue (score 2/4, 57.7%), initiation of pharyngeal swallow (score 3/4, 65.2%), laryngeal vestibular closure (score 1/2, 64.5%), and pharyngeal residue (score 2/4, 50.5%). In conclusion, this large cohort of COVID-19 patients exhibited a myriad of swallowing abnormalities in the oral and pharyngeal phases, with a notably high rate of silent aspiration. Moreover, differentiating COVID-19-induced dysphagia from post-extubation dysphagia is challenging.