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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.

Pediatric Pulmonology
|February 3, 2015
PubMed

Insights

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.
Abstract

Keywords:
childrencoughcough monitoring systemovernight

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