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A new method for objectively evaluating nocturnal cough in adults
Kota Hirai1, Masanori Ishimaru2, Masahiko Kato1
1Department of Pediatrics, Tokai University School of Medicine, Japan; Department of Pediatrics, Tokai University Hachioji Hospital, Japan.
Respiratory Investigation
|January 24, 2022
Summary
A new cough monitoring system accurately measures nocturnal coughs in adults. This objective method is highly useful for managing cough diseases.
Area of Science:
- Medical Devices
- Pulmonology
- Biomedical Engineering
Background:
- Objective evaluation of nocturnal cough is crucial for managing adult cough diseases.
- Current methods may lack objectivity in assessing nighttime cough frequency.
Purpose of the Study:
- To evaluate and validate a novel cough monitoring system for objective nocturnal cough assessment in adults.
- To determine the system's accuracy and reliability compared to established methods.
Main Methods:
- Study 1: Assessed a cough monitoring system with 25 adult volunteers.
- Study 2: Validated the system using overnight recordings from 10 adult patients with cough diseases.
- Compared system data against manual counts from video-audio recordings and basal cough events.
Main Results:
- The cough monitoring system showed high sensitivity (99.2%) and specificity (98.9%) in Study 1.
- Significant agreement was found between the system and video-audio counts (p < 0.0001) in Study 2.
- Excellent agreement was observed between the system and basal cough events (p < 0.0001).
Conclusions:
- The developed cough monitoring system demonstrates excellent agreement with video-audio recording methods.
- This system provides a highly useful and objective tool for monitoring overnight cough in adult patients.
- The technology supports improved management strategies for various cough-related conditions.
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