About this trial
The aim of this study is to evaluate the feasibility of predicting upper airway patency in patients with prolonged tracheostomy using a non-invasive method combining speaking valve (SV) and transtracheal end-expiratory pressure (TTPEE) through a multicenter study.
Eligibility criteria
This trial does not accept healthy volunteersQualifiers
Weaned from ventilator more than 48 hours
No any organ failure
No sepsis
Stable heart rate and blood pressure
Disqualifiers
Serious dysfunction of vital organs
Inability to tolerate cuff deflation
Laryngopharyngeal trauma
Known severe upper airway obstruction before referrer to our department
Trial design
Crossover
Treatments tested in this trial
Speaking valve combined with airway pressure
Diagnostic testAll patients wore speaking valves for 30 minutes, during which the transtracheal end-expiratory pressure was measured to assess the patency of the upper airway.
Bronchoscopy
Diagnostic testThe same examiner performed bronchoscopy on all patients to assess upper airway patency.
Treatment groups
Trial outcomes
Primary outcomes
The sensitivity and specificity of SV with transtracheal end-expiratory pressure measurement in predicting upper airway patency
Patients enrolled in the study will undergo both SV with transtracheal end-expiratory pressure measurement and bronchoscopy. Upper airway non-patency will be defined as positive. Using the results of bronchoscopy as the gold standard, the sensitivity and specificity of SV with transtracheal end-expiratory pressure measurement will be evaluated.
Sponsors and contacts
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