Related Experiment Video

Updated: Dec 21, 2025

Employing the Forced Oscillation Technique for the Assessment of Respiratory Mechanics in Adults
06:11

Employing the Forced Oscillation Technique for the Assessment of Respiratory Mechanics in Adults

Published on: February 9, 2022

6.1K

[EFFECT OF INSPIRATORY FLOW ON BREATH SOUND ANALYSIS IN CHILDREN WITH ASTHMA]

Takanori Kagawa1, Tomohiko Imamura1, Mayumi Enseki1

  • 1Department of Pediatrics, Tokai University School of Medicine.

Arerugi = [Allergy]
|May 22, 2020
PubMed

Insights

Resting breathing provides clearer lung sound analysis in children with asthma. This method, analyzing lung sound parameters before and after β2 stimulant inhalation, aids in long-term asthma monitoring.

Area of Science:

  • Pediatric Pulmonology
  • Respiratory Medicine
  • Biomedical Engineering

Background:

  • Optimal breathing methods are crucial for accurate childhood lung sound analysis.
  • Understanding airflow effects on lung sound parameters is essential for effective diagnosis.

Purpose of the Study:

  • To investigate the impact of airflow on lung sound parameters in children with atopic asthma.
  • To evaluate the effectiveness of different breathing methods for lung sound analysis.

Main Methods:

  • Sixty-one children with atopic asthma underwent lung sound spectrum analysis during inspiratory flow.
  • Lung sounds were analyzed before and after β2 stimulant inhalation.
  • Spirometry and forced oscillation technique measured lung function.

Main Results:

  • Lung sound parameters (AT, F99) were higher during stronger breathing (2.0L/s) compared to resting breathing (1.0L/s).
  • No significant differences in lung sound spectrum parameters were observed.
  • Improvements after β2 stimulant inhalation were more pronounced during resting breathing.

Conclusions:

  • Changes in lung sound parameters after β2 stimulant inhalation correlate better with lung function during resting breathing.
  • Resting breathing analysis offers a clearer method for monitoring children with asthma.
  • This technique shows potential for long-term asthma management in pediatric patients.
Abstract

Keywords:
asthmachildreninspiratory flowlung sound analysisnormal breath

More Related Videos

Conducting Respiratory Oscillometry in an Outpatient Setting14:49

Conducting Respiratory Oscillometry in an Outpatient Setting

Published on: April 8, 2022

8.1K
Breath Collection from Children for Disease Biomarker Discovery06:09

Breath Collection from Children for Disease Biomarker Discovery

Published on: February 14, 2019

7.3K

Related Concept Videos

Physical Assessment of the Respiratory Tract IV: Auscultation01:28

Physical Assessment of the Respiratory Tract IV: Auscultation

Auscultation is a crucial component of the physical assessment of the respiratory tract. It offers valuable insights into airflow through the bronchial tree and potential lung obstructions. This process involves careful listening to breath, voice, and adventitious sounds, which can reveal a wealth of information about a patient's respiratory health.
Breath Sounds
Breath sounds are categorized into vesicular, bronchovesicular, and bronchial.
1.8K
Factors Affecting Pulmonary Ventilation01:19

Factors Affecting Pulmonary Ventilation

Besides the pressure difference between the external environment and the lungs, the airflow rate and ease of pulmonary ventilation are also influenced by three other factors: surface tension of the fluid in the alveoli, compliance of the lungs, and airway resistance.
Alveolar Surface Tension
The alveolar fluid lines the luminal surface of the alveoli and exerts a force called surface tension. This force is caused by the polar water molecules in the liquid being more strongly attracted to each...
2.6K
Assessment of Respiration01:23

Assessment of Respiration

The respiratory system's basic structures and primary functions lay the foundation for nurses' comprehensive respiratory assessments. This assessment includes subjective and objective data to gauge the patient's respiratory health.
Subjective Assessment: Nurses interview the patient to gather information directly during the subjective assessment. It includes questions about the individual's medical history, medications, and symptoms, focusing on past respiratory conditions like...
1.7K
Physical Assessment of the Respiratory Tract II: Inspection01:27

Physical Assessment of the Respiratory Tract II: Inspection

Physical assessment of the respiratory tract through inspection is a crucial step in understanding the patient's respiratory health. It provides insights into the functioning of the respiratory system, the musculoskeletal structure, and even the patient's nutritional status. This comprehensive approach involves observing several vital aspects: chest configuration, breathing patterns, respiratory rates, skin color, and use of accessory muscles.
Chest Configuration
The chest configuration...
756
Assessment of Ventilation II: Respiratory Depth and Rhythm01:29

Assessment of Ventilation II: Respiratory Depth and Rhythm

Respiratory Depth
Respiratory depth measures the volume of air inhaled or exhaled during a breath. It can vary from shallow to deep and typically remains consistent when a person is at rest or asleep. Occasionally, individuals will automatically inhale deeply, known as sighing, which inflates the lungs with more air than normal breathing.
To assess respiratory depth, observe the degree of chest excursion or movement:
2.3K
Respiratory System Abnormal Finding II: Palpation and Auscultation01:31

Respiratory System Abnormal Finding II: Palpation and Auscultation

In assessing respiratory abnormalities, palpation and auscultation are critical tools for detecting and interpreting various pathophysiological changes. These techniques provide insight into underlying disorders by evaluating tactile sensations and sounds produced by the respiratory system.
Palpation Findings
During a respiratory assessment, palpation can reveal several vital abnormalities:
1.2K