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Related Experiment Videos

Objective assessment of cough

P Piirilä1, A R Sovijärvi

  • 1Laboratory of Clinical Physiology, Finnish Institute of Occupational Health, Helsinki, Finland.

The European Respiratory Journal
|November 1, 1995
PubMed
Summary

Cough reflex characteristics and sounds vary with pulmonary diseases. Objective cough assessment methods, including automatic detectors, are crucial for clinical evaluation and drug efficacy studies.

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Area of Science:

  • Respiratory Medicine
  • Biomedical Engineering

Background:

  • Cough is a vital reflex with distinct flow characteristics and sound generation in various pulmonary diseases.
  • Differences in cough sound duration and spectra are observed across different bronchopulmonary pathologies.
  • Objective cough assessment is clinically significant for evaluating disease progression and treatment effectiveness.

Purpose of the Study:

  • To provide a historical overview of cough research.
  • To review current objective methods for cough assessment.
  • To highlight the clinical importance of analyzing cough characteristics.

Main Methods:

  • Review of existing literature on cough research and objective assessment techniques.
  • Analysis of cough sound properties (duration, spectra) using modern techniques.
  • Discussion of automatic cough detection and ambulatory monitoring systems.

Main Results:

  • Cough flow characteristics and sound patterns differ based on underlying pulmonary disease.
  • Modern analysis reveals variations in cough sound duration and spectra linked to bronchopulmonary pathophysiology.
  • Development of automatic cough detectors and counters aids in objective assessment and drug efficacy trials.

Conclusions:

  • Objective assessment of cough is clinically important and achievable through various modern techniques.
  • Understanding cough sound characteristics aids in diagnosing and managing pulmonary diseases.
  • Ambulatory and automated methods offer promising avenues for continuous and objective cough monitoring.

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