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Diaphragmatic Ultrasound in Adults: Image Acquisition and Interpretation
Published on: January 31, 2025
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Sonographic evaluation of diaphragmatic function during breathing control
A Y M Jones1, S P C Ngai2, M T C Ying3
1a Discipline of Physiotherapy, Faculty of Health Sciences , The University of Sydney , Sydney , Australia.
Physiotherapy Theory and Practice
|May 26, 2017
Summary
Breathing control significantly improved diaphragmatic excursion after exercise compared to normal breathing. This technique enhances diaphragmatic function, as shown by non-invasive ultrasonography.
Area of Science:
- Physiology
- Respiratory Mechanics
- Diagnostic Imaging
Background:
- Diaphragmatic excursion is crucial for effective respiration.
- Breathing techniques can influence respiratory muscle function.
- Objective assessment of diaphragmatic function is valuable.
Purpose of the Study:
- To evaluate the impact of a specific breathing control (BC) technique on sonographic diaphragmatic excursion post-exercise.
- To compare diaphragmatic function between individuals using BC and those using their natural breathing pattern.
Main Methods:
- A randomized, assessor-blinded study involving 20 physiotherapy students.
- Participants performed a Chester step test.
- Diaphragmatic excursion and respiratory rate were measured using ultrasonography before and after the test, with one group employing BC during recovery.
Main Results:
- The breathing control group (Group BC) exhibited a significantly lower respiratory rate post-exercise compared to the control group (Group CON).
- Sonographic evaluation revealed significantly greater diaphragmatic excursion in Group BC at 1, 2, and 3 minutes post-exercise.
- Inspiratory time and the speed of diaphragmatic contraction did not show significant differences between groups.
Conclusions:
- Applying breathing control post-exercise leads to enhanced diaphragmatic excursion.
- Non-invasive ultrasonography provides an objective method to assess the relationship between breathing techniques and diaphragmatic function.
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