Fernández Carmona 2015.

Methods	Parallel‐group randomised controlled trial
Participants	Inclusion criteria: people in the mechanical ventilation weaning‐decannulation phase; aged > 18 years; tracheostomised in the ICU; diagnosis of dysphagia secondary to an artificial airway. Exclusion criteria: people with neurological conditions.
Interventions	Intervention Received a speaking valve. Control No speaking valve.
Outcomes	Infectious complications. Mortality.
Notes	2 abstracts published in 2015 and 2016. Unable to identify published study.