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Dysphagia occurs in 11% to 93% of patients following tracheostomy. Despite its benefits, the tracheostomy often co-exists with dysphagia given its anatomical location, the shared pathway of the respiratory and alimentary systems, and the medical complexities necessitating the need for the artificial airway. When tracheostomy weaning commences, it is often debated whether the methods used facilitate swallowing recovery. We conducted a systematic review to determine whether tracheostomy modifications alter swallowing physiology in adults. We searched eight electronic databases, nine grey literature repositories and conducted handsearching. We included studies that reported on oropharyngeal dysphagia as identified by instrumentation in adults with a tracheostomy. We accepted case series (n &gt; 10), prospective or retrospective observational studies, and randomized control trials. We excluded patients with head and neck cancer and/or neurodegenerative disease. Two independent and blinded reviewers rated abstracts and articles for study inclusion. Data abstraction and risk of bias assessment was conducted on included studies. Discrepancies were resolved by consensus. A total of 7079 citations were identified, of which, 639 articles were reviewed, with ten articles meeting our inclusion criteria. The studies were heterogeneous in study design, patient population, and outcome measures. For these reasons, we presented our findings descriptively. All studies were limited by bias risk. This study highlights the limitations of the evidence and therefore the inability to conclude whether tracheostomy modifications alter swallowing physiology.

A Systematic Review of Tracheostomy Modifications and Swallowing in Adults