Flexible Catheter-Based Sensor for Monitoring Airway Pressure
Author Information
Author(s): Shang Jiang, Ma Xiaoxiao, Zou Peikai, Huang Chenxiao, Lao Zhechen, Wang Junhan, Jiang Tingshu, Fu Yanzhe, Li Jiebo, Zhang Shaoxing, Li Ruya, Fan Yubo
Primary Institution: Beihang University, Beijing, PR China
Hypothesis
Can a flexible catheter-based pressure sensor array accurately monitor soft tissue pressure in the upper airway to assist in diagnosing obstructive sleep apnea?
Conclusion
The catheter-based sensor array effectively monitors upper airway pressure and accurately identifies obstructions in an obstructive sleep apnea animal model.
Supporting Evidence
- The sensor array demonstrated high sensitivity of 38.1 Ω/mmHg and excellent stability over 200 cycles.
- In vitro testing confirmed the sensor's ability to accurately identify airway obstructions.
- The sensor array's performance was validated against polysomnography and CT imaging data.
Takeaway
This study created a special sensor that can measure pressure in the throat to help doctors find problems that make it hard to breathe while sleeping.
Methodology
The study involved creating a flexible pressure sensor array and testing it in a reversible obstructive sleep apnea pig model to monitor airway pressure.
Limitations
The study was conducted in animal models, which may not fully represent human conditions.
Participant Demographics
Four Bama pigs were used in the study.
Digital Object Identifier (DOI)
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