Abstract
Purpose
It was aimed to analyze the relationship of the respiratory functions, respiratory muscle strength, magnitude of the curvature, angle of trunk rotation (ATR) and brace-wearing duration in patients with adolescent idiopathic scoliosis (AIS).
Methods
Sixty patients with AIS (43 females), with maximum Cobb angles between 20° and 66° were included in the study. ATR values were measured with a scoliometer. Respiratory function parameters (forced vital capacity [FVC], forced expiratory volume in one second [FEV1], FEV1/FVC ratio, peak expiratory flow [PEF]) and respiratory muscle strengths (maximum inspiratory pressure [MIP] and maximum expiratory pressure [MEP]) were measured by combined spirometry.
Results
There was a negative significant correlation between maximum Cobb angle and ATR with respiratory function parameters except for PEF and FEV1/FVC (r = −0.258–0.441; p = <0.001–0.047). There was a moderate negative correlation between ATR with MIP (cmH2O) (r = −0.377; p = 0.003) and MEP (cmH2O) (r = −0.362; p = 0.005). On the other hand, no correlation was found between brace-wearing duration with respiratory functions, maximum Cobb angle and brace-wearing duration with respiratory muscle results.
Conclusion
The results of this study showed that, respiratory functions were normal or mildly affected, and respiratory muscle strengths were weak in AIS. Increased Cobb angle and ATR negatively affected respiratory function; increased ATR was associated with decreased inspiratory and expiratory muscle strength. It is extremely important to carefully evaluate the respiratory system and to know the variables that affect respiratory functions and respiratory muscle strength in achieving optimum recovery in the holistic treatment of individuals with scoliosis.
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Data availability
The data that support the findings of this study are available upon request from the authors.
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Acknowledgements
The study was performed in the Prof. Dr. Süleyman Yalçın City Hospital, Department of Orthopaedics and Traumatology, Istanbul.
Funding
This study was supported by Haliç University Scientific Research Projects Unit (Project approval number: 7883).
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İÇ, TKÇ, SS, and MFK: made substantial contributions to the conception and design of the work; enabled the acquisition, analysis, or interpretation of data; drafted the work and revised it critically for important intellectual content; approved the version to be published; agree to be accountable for all aspects of the work in ensuring that questions related to the accuracy or integrity of any part of the work are appropriately investigated and resolved.
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The ethics approval for the study was obtained from the Ethics Committee of Haliç University (28.09.2022/201).
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The abstract of the study was presented as oral presentation in the 6th International Health Science and Life Congress (IHSLC 2023).
Clinical Trial Registration: NCT05703737 (26/01/2023) (clinicaltrials.gov).
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Çetinkaya, İ., Kuru Çolak, T., Saka, S. et al. Respiratory function and respiratory muscle strength in adolescent idiopathic scoliosis. Spine Deform 12, 635–641 (2024). https://doi.org/10.1007/s43390-024-00819-w
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DOI: https://doi.org/10.1007/s43390-024-00819-w