Humidifier Use and Prone Positioning in a Patient with Severe COVID-19 Pneumonia and Endotracheal Tube Impaction Due to Highly Viscous Sputum
2020
COVID-19 can lead to severe pneumonia, requiring mechanical ventilation �While increased sputum secretion could cause airway obstruction during mechanical ventilation, there are few reported cases in the literature We report a case of a 65-year-old man with diabetes and severe COVID-19 pneumonia requiring mechanical ventilation and treated with hydroxychloroquine, azithromycin, nafamostat, and prone positioning Initially, mechanical ventilation consisted of a heat moisture exchanger, endotracheal tube aspiration, and subglottic secretion drainage using a closed suction system However, endotracheal tube impaction by highly viscous sputum occurred during this mechanical ventilation system Replacing the endotracheal tube, the use of a humidifier instead of a heat moisture exchanger, and prone positioning contributed to the patient being weaned off mechanical ventilation Although anti-aerosol measures are important for severe COVID-19 pneumonia, attention should be given to potential endotracheal tube impaction during mechanical ventilation
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