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Respiratory Dysfunction in Individuals With Thoracic Outlet Syndrome
Melda Saglam1, Tuzun Firat1, Naciye Vardar-Yagli1
1Department of Physiotherapy and Rehabilitation, Hacettepe University, Ankara, Turkey.
Journal of Manipulative and Physiological Therapeutics
|August 25, 2020
Summary
Individuals with Thoracic Outlet Syndrome (TOS) exhibit reduced expiratory flow rate, respiratory muscle strength (maximal inspiratory pressure [MIP] and maximal expiratory pressure [MEP]), and endurance compared to healthy individuals.
Area of Science:
- Pulmonary Medicine
- Neurology
- Physical Therapy
Background:
- Thoracic Outlet Syndrome (TOS) is a condition characterized by compression of nerves and blood vessels in the thoracic outlet.
- The impact of TOS on respiratory function, muscle strength, and endurance is not fully understood.
- Understanding these effects is crucial for comprehensive patient assessment and management.
Purpose of the Study:
- To compare pulmonary function, respiratory muscle strength, and endurance between individuals with TOS and healthy controls.
- To identify specific respiratory parameters affected by TOS.
Main Methods:
- Sixty-two individuals with TOS and 47 healthy participants were enrolled.
- Pulmonary function was assessed using spirometry.
- Respiratory muscle strength (maximal inspiratory pressure [MIP] and maximal expiratory pressure [MEP]) and endurance were measured using specialized devices.
Main Results:
- Pulmonary function parameters were similar between groups, except for a significantly lower peak expiratory flow rate in the TOS group.
- Patients with TOS demonstrated significantly reduced MIP, MEP, and respiratory muscle endurance compared to healthy controls.
- A high percentage of TOS patients (74.2% for MIP, 85.2% for MEP) had values below the lower limit of the control group's confidence interval.
Conclusions:
- TOS adversely affects expiratory flow rate, respiratory muscle strength, and endurance.
- The dual role of trunk muscles in posture and breathing suggests that TOS-related disruptions can impact respiratory function.
- These findings highlight the importance of assessing respiratory parameters in individuals with TOS.
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