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The correlation between diaphragm thickness, diaphragmatic excursion, and pulmonary function in patients with chronic
1Department of Physical Therapy, Gimhae College, Republic of Korea.
Journal of Physical Therapy Science
|April 13, 2018
Summary
This study found that diaphragm thickness and excursion correlate with pulmonary function in stroke survivors. Strengthening the paretic diaphragm is crucial for improving respiratory function in stroke rehabilitation.
Area of Science:
- Neurology
- Pulmonology
- Rehabilitation Medicine
Background:
- Stroke can impair respiratory muscle function, affecting pulmonary capacity.
- Diaphragm dysfunction is a potential consequence of stroke, impacting breathing.
- Assessing diaphragm function is vital for understanding respiratory limitations in stroke patients.
Purpose of the Study:
- To examine the relationship between diaphragm thickness, excursion, and pulmonary function in stroke patients.
- To determine if diaphragm ultrasound measurements correlate with lung function tests.
- To identify the role of the paretic diaphragm in respiratory capacity post-stroke.
Main Methods:
- 114 stroke patients (ischemic or hemorrhagic) underwent ultrasonography to measure diaphragm thickness and excursion.
- Diaphragm thickening ratio was calculated.
- Pulmonary function was assessed via forced vital capacity, forced expiratory volume in one second, and peak expiratory flow.
Main Results:
- Significant correlations were observed between diaphragm thickness, thickness ratio, excursion, and pulmonary function measures (FVC, FEV1, PEF).
- Diaphragm excursion and thickness on the paretic side showed a notable relationship with respiratory capacity.
- Ultrasonography effectively demonstrated the link between diaphragm mechanics and lung function.
Conclusions:
- Diaphragm thickness and excursion are significantly related to pulmonary function in individuals with stroke.
- The paretic diaphragm plays a critical role in the respiratory function of stroke patients.
- Rehabilitation programs should focus on strengthening the paretic respiratory muscles to enhance lung function in stroke survivors.
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