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Systematic Review

Exploring Pulmonary Dysfunction in Parkinson’s Disease: The Role of Impulse Oscillometry—A Systematic Review

by
Alexandra-Cristiana Gache
1,2,3,
Elena Danteș
1,2,3,
Elena Mocanu
4,*,
Andreea-Cristina Postu
3,
Cristian Opariuc-Dan
5 and
Any Axelerad
2,6
1
Department of Pneumology, Faculty of Medicine, Campus—Corp B, Ovidius University of Constanta, 1 University Alley, 900470 Constanta, Romania
2
Medical Doctoral School, Faculty of Medicine, Campus—Corp B, Ovidius University of Constanta, 1 University Alley, 900470 Constanta, Romania
3
Clinical Hospital of Pneumopthisiology Constanta, 40 Santinelei Street, 900002 Constanta, Romania
4
Department of Public Health and Management, Faculty of Medicine, Campus—Corp B, Ovidius University of Constanta, 1 University Alley, 900470 Constanta, Romania
5
Department of Administrative Sciences, Faculty of Law and Administrative Sciences, Campus—Corp A, Ovidius University of Constanta, 1 University Alley, 900470 Constanta, Romania
6
Department of Neurology, Faculty of Medicine, Campus—Corp B, Ovidius University of Constanta, 1 University Alley, 900470 Constanta, Romania
*
Author to whom correspondence should be addressed.
J. Clin. Med. 2025, 14(11), 3730; https://doi.org/10.3390/jcm14113730
Submission received: 23 April 2025 / Revised: 20 May 2025 / Accepted: 24 May 2025 / Published: 26 May 2025
(This article belongs to the Section Respiratory Medicine)

Abstract

Background/Objectives: This systematic review aimed to synthesize current evidence on the use of impulse oscillometry (IOS) in assessing pulmonary function in patients with Parkinson’s disease (PD). IOS, as an effort-independent method, may offer advantages over conventional spirometry in detecting early or subclinical respiratory impairment in neurologically compromised populations. Methods: A systematic search was conducted across PubMed, Web of Science, Scopus, ScienceDirect and Google Scholar for observational studies published up to March 2025. The included studies involved patients diagnosed with PD who underwent respiratory assessment using IOS, either alone or in combination with spirometry. Data on IOS parameters (R5, R20, X5, AX) and their associations with disease severity, spirometric values or autonomic markers were extracted and analyzed qualitatively. Results: Four studies, published between 2020 and 2023, met the inclusion criteria. IOS revealed increased airway resistance in early-stage PD and inverse correlations with spirometric indices such as FEV1 and PEF. One study demonstrated significant correlations between IOS parameters and parasympathetic heart rate variable indices, suggesting autonomic involvement. IOS also showed stability across dopaminergic treatment states, highlighting its reliability in longitudinal monitoring. Conclusions: IOS appears to be a promising adjunct to traditional respiratory assessment in PD, capable of identifying subtle mechanical and autonomic dysfunctions. Despite encouraging results, the current evidence remains limited and further large-scale, longitudinal studies are needed to validate its clinical utility.
Keywords: Parkinson’s disease; impulse oscillometry; impedance; spirometry; pulmonary function; neurodegenerative diseases Parkinson’s disease; impulse oscillometry; impedance; spirometry; pulmonary function; neurodegenerative diseases

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MDPI and ACS Style

Gache, A.-C.; Danteș, E.; Mocanu, E.; Postu, A.-C.; Opariuc-Dan, C.; Axelerad, A. Exploring Pulmonary Dysfunction in Parkinson’s Disease: The Role of Impulse Oscillometry—A Systematic Review. J. Clin. Med. 2025, 14, 3730. https://doi.org/10.3390/jcm14113730

AMA Style

Gache A-C, Danteș E, Mocanu E, Postu A-C, Opariuc-Dan C, Axelerad A. Exploring Pulmonary Dysfunction in Parkinson’s Disease: The Role of Impulse Oscillometry—A Systematic Review. Journal of Clinical Medicine. 2025; 14(11):3730. https://doi.org/10.3390/jcm14113730

Chicago/Turabian Style

Gache, Alexandra-Cristiana, Elena Danteș, Elena Mocanu, Andreea-Cristina Postu, Cristian Opariuc-Dan, and Any Axelerad. 2025. "Exploring Pulmonary Dysfunction in Parkinson’s Disease: The Role of Impulse Oscillometry—A Systematic Review" Journal of Clinical Medicine 14, no. 11: 3730. https://doi.org/10.3390/jcm14113730

APA Style

Gache, A.-C., Danteș, E., Mocanu, E., Postu, A.-C., Opariuc-Dan, C., & Axelerad, A. (2025). Exploring Pulmonary Dysfunction in Parkinson’s Disease: The Role of Impulse Oscillometry—A Systematic Review. Journal of Clinical Medicine, 14(11), 3730. https://doi.org/10.3390/jcm14113730

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