Standardized Tracheostomy Decannulation Protocol for Patients With Prolonged Disorders of Consciousness

"Step 1: The patient's clinical stability is confirmed. Step 2: Tolerance to the speaking valve is assessed. Step 3: The wearing time of the speaking valve is extended continuously for 4 h, and no tracheostomy cannula is used for sputum suction within 4 h.~Step 4: Cough strength is evaluated to be good before decannulation. Decannulation Criteria: Pass Step 1 + Step 2 + Step 3 + Step 4"