Post-extubation dysphagia is associated with longer hospitalization in survivors of critical illness with neurologic impairment
Critical Care, 2013•Springer
Introduction Critically ill patients can develop acute respiratory failure requiring endotracheal
intubation. Swallowing dysfunction after liberation from mechanical ventilation, also known
as post-extubation dysphagia, is common and deleterious among patients without
neurologic disease. However, the risk factors associated with the development of post-
extubation dysphagia and its effect on hospital lengthofstay in critically ill patients with
neurologic disorders remains relatively unexplored. Methods We conducted a retrospective …
intubation. Swallowing dysfunction after liberation from mechanical ventilation, also known
as post-extubation dysphagia, is common and deleterious among patients without
neurologic disease. However, the risk factors associated with the development of post-
extubation dysphagia and its effect on hospital lengthofstay in critically ill patients with
neurologic disorders remains relatively unexplored. Methods We conducted a retrospective …
Introduction
Critically ill patients can develop acute respiratory failure requiring endotracheal intubation. Swallowing dysfunction after liberation from mechanical ventilation, also known as post-extubation dysphagia, is common and deleterious among patients without neurologic disease. However, the risk factors associated with the development of post-extubation dysphagia and its effect on hospital lengthofstay in critically ill patients with neurologic disorders remains relatively unexplored.
Methods
We conducted a retrospective, observational cohort study from 2008 to 2010 of patients with neurologic impairment who required mechanical ventilation and subsequently received a bedside swallow evaluation (BSE) by a speech-language pathologist.
Results
A BSE was performed after mechanical ventilation in 25% (630/2,484) of all patients. In the 184 patients with neurologic impairment, post-extubation dysphagia was present in 93% (171/184), and was classified as mild, moderate, or severe in 34% (62/184), 26% (48/184), and 33% (61/184), respectively. In univariate analyses, statistically significant risk factors for moderate/severe dysphagia included longer durations of mechanical ventilation and the presence of a tracheostomy. In multivariate analysis, adjusting for age, tracheostomy, cerebrovascular disease, and severity of illness, mechanical ventilation for >7 days remained independently associated with moderate/severe dysphagia (adjusted odds ratio = 4.48 (95%confidence interval = 2.14 to 9.81), P<0.01). The presence of moderate/severe dysphagia was also significantly associated with prolonged hospital lengthofstay, discharge status, and surgical placement of feeding tubes. When adjusting for age, severity of illness, and tracheostomy, patients with moderate/severe dysphagia stayed in the hospital 4.32 days longer after their initial BSE than patients with none/mild dysphagia (95% confidence interval = 3.04 to 5.60 days, P <0.01).
Conclusion
In a cohort of critically ill patients with neurologic impairment, longer duration of mechanical ventilation is independently associated with post-extubation dysphagia, and the development of post-extubation dysphagia is independently associated with a longer hospital length of stay after the initial BSE.
Springer
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