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Post-extubation stridor is a known complication of mechanical ventilation that affects a substantial number of all critical care patients and leads to increased morbidity and mortality. Common risk factors for the development of post-extubation stridor include female gender, older age, and prolonged length of mechanical ventilation. There may be an increased incidence of post-extubation stridor in patients who require mechanical ventilation to manage the respiratory complications of COVID-19. In this case series, we analyzed nine patients from across our institution who were intubated to manage acute respiratory distress syndrome (ARDS) secondary to COVID-19 and subsequently developed post-extubation stridor. The patients were predominantly females with prolonged intubations and multiple days of prone ventilation. While the patients in this case series possessed some of the well-described risk factors for post-extubation stridor, there may be risk factors specific to severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) infection that make these patients more susceptible to the complication. The cuff leak test was performed on the majority of patients in the case series and did not successfully predict successful extubation in this population. Our analysis suggests that prophylactic corticosteroids given in the 24-48 hours prior to elective extubation in female COVID-19 patients who were intubated for more than six days with consecutive days of intermittent prone ventilation may be helpful in reducing the incidence of post-extubation stridor in this population. Overall, this case series elucidates the need for exceptionally close monitoring of COVID-19 patients upon extubation for the development of stridor.

Post-Extubation Stridor Complicating COVID-19-Associated Acute Respiratory Distress Syndrome: A Case Series