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A new method for objectively evaluating childhood nocturnal cough.
Kota Hirai1, Hideyuki Tabata, Mariko Hirayama
1Department of Pediatrics, Tokai University School of Medicine, Isehara, Kanagawa, Japan.
A new cough monitoring system accurately measures nocturnal coughs in children. This objective method shows excellent agreement with traditional video-audio recordings, proving highly useful for respiratory disease evaluation.
Area of Science:
- Pediatric Pulmonology
- Medical Device Technology
- Sleep Medicine
Background:
- Nocturnal cough is a common symptom in children.
- Objective evaluation of nocturnal cough is crucial for diagnosing and managing respiratory diseases.
- Existing methods for monitoring cough can be subjective or labor-intensive.
Purpose of the Study:
- To develop and validate a novel cough monitoring system for objectively assessing nocturnal cough in children.
- To compare the system's performance against established video-audio recording methods.
Main Methods:
- A cough monitoring system utilizing a microphone and accelerometer was developed.
- The system was evaluated in 50 child volunteers and validated in 10 children with overnight cough.
- Cough events were compared against manual counts from video-audio recordings by trained observers.
Main Results:
- The cough monitoring system demonstrated high sensitivity (98.8%) and specificity (97.8%) compared to manual counts.
- Significant agreement was observed between the system's cough counts and the video-audio method (P < 0.0001).
- Excellent agreement was found between the system and defined cough events (P < 0.0001).
Conclusions:
- The developed cough monitoring system provides a highly useful and objective method for evaluating nocturnal cough in children.
- The system shows excellent agreement with traditional video-audio recording techniques.
- This technology can aid in the objective monitoring of children with respiratory diseases presenting with nocturnal cough.
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