The population included in this study consists of tracheostomy patients admitted to the pulmonary department of Beijing Rehabilitation Hospital, undergoing decannulation rehabilitation treatment. Once patient conditions stabilized, they were all transitioned to the decannulation process established by our department in 2018, which utilizes a speaking valve instead of capping.The initial duration for the patient to wear the speaking valve is 30 minutes.The monitoring period for wearable devices is from 1 hour before the initial use of the speaking valve to 1 hour after its removal.Monitored for a total of 2 hours and 30 minutes.Explore the clinical benefits of the speaking valve by comparing the changes in patients' physiological parameters and clinical index metrics before and after using the speaking valve. Criteria for the successful use of the speaking valve for 30 minutes: 1. Breathing is steady at rest: no apparent dyspnea, chest tightness, or orthopnea, etc. 2. Heart rate, blood pressure, and SpO₂ are all stable overall.SpO₂ reduction from baseline \< 5%. 3. No frequent need for emergency sputum suction or indications of sputum blockage while wearing it.
Age range
18 Years – 90 Years
Sex
ALL
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degree of change in oxygen saturation（%）
Timeframe: Using wearable biosensors, high-resolution physiological data were continuously collected during three phases: baseline (30 minutes), speaking valve placement period (30 minutes), and recovery period (30 minutes after speaking valve removal).
Temporal rate of change of asymmetric cardiovascular responses and delayed autonomic recovery（percentage change from baseline）
Timeframe: 30 minutes before speaking valve placement, throughout the entire training session (i.e., during valve wear), and 30 minutes after the training session
Rate of respiratory phase variation during training（percentage change in phase duration）
Timeframe: 30 minutes before speaking valve placement, throughout the entire training session (i.e., during valve wear), and 30 minutes after the training session