Exercise-induced muscle oxygenation changes in fibrosing interstitial lung diseases: a near-infrared spectroscopy study

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dc.contributor.authorPehlivan, Esra
dc.contributor.authorZeren, Melih
dc.contributor.authorÖzcan, Zeynep Betül
dc.contributor.authorKaraahmetoğlu, Fulya Senem
dc.contributor.authorDemirkol, Barış
dc.contributor.authorİlhan, Umut
dc.contributor.authorAtaç, Amine
dc.contributor.authorÇetinkaya, Erdoğan
dc.date.accessioned2025-04-07T07:37:28Z
dc.date.available2025-04-07T07:37:28Z
dc.date.issued2025
dc.departmentFakülteler, Sağlık Bilimleri Fakültesi, Fizyoterapi ve Rehabilitasyon Bölümü
dc.description.abstractBackground: The impact of fibrosing interstitial lung disease (F-ILD) on the oxygenation of peripheral and respiratory muscles during exercise remains poorly understood. Specifically, it's unclear whether regional blood flow influences exercise capacity in these patients, and if so, to what degree. Objectives: This study aimed to investigate changes in oxygenation and blood flow volume of the intercostal (IC) and quadriceps femoris (QF) muscles during exercise in patients with F-ILD. Methods: Muscle oxygenation (SmO2) and total haemoglobin (tHb) changes of IC and QF were measured in 36 F-ILD patients using near-infrared spectroscopy (NIRS) during six-minute walking test (6MWT). Resting, minute-by-minute change, and average data were analyzed. Results: At rest, SmO(2)was significantly higher in IC compared to QF (p<0.001). When adjusted for SmO(2)at rest, SmO(2)at the different time points during 6MWT, average SmO(2)during 6MWT, and lowest SmO2 during 6MWT did not differ between QF and IC muscles. Also, SmO(2 )did not vary significantly during 6MWT in either QF (F=2.193) or IC muscle (F=1.262). THb increased more in QF than in IC. THb of IC inversely correlated to respiratory functions and 6MWT distance. Conclusion: Peripheral and respiratory muscle oxygenation in F-ILD seems to be normal. However, blood flow volume in exercising muscle, not muscle oxygenation, may be a contributing factor to exercise intolerance. Patients with poorer respiratory function may require excessive blood flow in their respiratory muscles which in turn may limit the blood flow available for exercising peripheral muscles.
dc.identifier.doi10.36141/svdld.v42i1.15942
dc.identifier.issn1124-0490
dc.identifier.issue1
dc.identifier.pmid40100111
dc.identifier.scopus2-s2.0-105002245655
dc.identifier.scopusqualityQ3
dc.identifier.urihttps://doi.org/10.36141/svdld.v42i1.15942
dc.identifier.urihttps://hdl.handle.net/11501/2080
dc.identifier.volume42
dc.identifier.wosWOS:001447614800009
dc.identifier.wosqualityQ4
dc.indekslendigikaynakWeb of Science
dc.indekslendigikaynakPubMed
dc.institutionauthorAtaç, Amine
dc.institutionauthorid0000-0001-8211-9096
dc.language.isoen
dc.publisherMattioli 1885
dc.relation.ispartofSarcoidosis, Vasculitis, and Diffuse Lung Diseases
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanı
dc.rightsinfo:eu-repo/semantics/closedAccess
dc.subjectFibrotic Hypersensitivity Pneumonitis
dc.subjectIdiopathic Pulmonary Fibrosis
dc.subjectNear-Infrared Spectroscopy
dc.subjectNonspecific Interstitial Pneumonia
dc.subjectSix Minute Walk Test
dc.subjectExercise-Induced Oxygenation
dc.subjectInterstitial Lung Disease Exercise Testing
dc.subjectFibrotic Lung Diseases
dc.titleExercise-induced muscle oxygenation changes in fibrosing interstitial lung diseases: a near-infrared spectroscopy study
dc.typeArticle

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