Beyond the Patient’s Report: Self-Reported, Subjective, Objective and Estimated Walking Disability in Patients with Peripheral Artery Disease

Among patients with peripheral artery disease, an altered estimation of walking ability reported to the physician may influence the choice of treatment. We compared claudication distance (CD) values reported by patients or assessed by validated protocols to elaborate a formula capable of estimating...

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Autores principales:	Nicola Lamberti, Lorenzo Caruso, Giovanni Piva, Luca Traina, Valentina Ficarra, Paolo Zamboni, Vincenzo Gasbarro, Fabio Manfredini
Formato:	article
Lenguaje:	EN
Publicado:	MDPI AG 2021
Materias:	peripheral artery disease exercise testing claudication reliability diabetes Medicine (General) R5-920
Acceso en línea:	https://doaj.org/article/5574038e18d34ab681b988bee8f8814b
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spelling	oai:doaj.org-article:5574038e18d34ab681b988bee8f8814b2021-11-25T17:20:32ZBeyond the Patient’s Report: Self-Reported, Subjective, Objective and Estimated Walking Disability in Patients with Peripheral Artery Disease10.3390/diagnostics111119912075-4418https://doaj.org/article/5574038e18d34ab681b988bee8f8814b2021-10-01T00:00:00Zhttps://www.mdpi.com/2075-4418/11/11/1991https://doaj.org/toc/2075-4418Among patients with peripheral artery disease, an altered estimation of walking ability reported to the physician may influence the choice of treatment. We compared claudication distance (CD) values reported by patients or assessed by validated protocols to elaborate a formula capable of estimating more reliable values. Three hundred fifty-nine patients with claudication were measured at the time of entry into a rehabilitation program. Walking performance was obtained by patients’ reports (self-reported claudication distance, SR-CD) and was directly assessed to determine the claudication and maximal walking distance by the 6-min test (6-CD and 6-MWD) and an incremental treadmill test (T-CD and T-MWD). The degree of muscle deoxygenation was objectively determined at the calf by near-infrared spectroscopy (NIRS) during the treadmill test. Among the 289 subjects analyzed, SR-CD exceeded both 6-CD and T-CD (+155 and +182 m, respectively). SR-CD was moderately correlated with T-CD (r = 0.30), 6-CD (r = 0.32), and 6-MWD (r = 0.29) but not with muscle deoxygenation per meter walked, unlike T-CD and 6-CD. A formula adjusted for the presence of diabetes reduced patient overestimation by 92%. The patient’s reported claudication distance was generally overestimated compared to objective measures, and it was made more reliable through a corrective factor for easy use in a clinical setting.Nicola LambertiLorenzo CarusoGiovanni PivaLuca TrainaValentina FicarraPaolo ZamboniVincenzo GasbarroFabio ManfrediniMDPI AGarticleperipheral artery diseaseexercise testingclaudicationreliabilitydiabetesMedicine (General)R5-920ENDiagnostics, Vol 11, Iss 1991, p 1991 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	peripheral artery disease exercise testing claudication reliability diabetes Medicine (General) R5-920
spellingShingle	peripheral artery disease exercise testing claudication reliability diabetes Medicine (General) R5-920 Nicola Lamberti Lorenzo Caruso Giovanni Piva Luca Traina Valentina Ficarra Paolo Zamboni Vincenzo Gasbarro Fabio Manfredini Beyond the Patient’s Report: Self-Reported, Subjective, Objective and Estimated Walking Disability in Patients with Peripheral Artery Disease
description	Among patients with peripheral artery disease, an altered estimation of walking ability reported to the physician may influence the choice of treatment. We compared claudication distance (CD) values reported by patients or assessed by validated protocols to elaborate a formula capable of estimating more reliable values. Three hundred fifty-nine patients with claudication were measured at the time of entry into a rehabilitation program. Walking performance was obtained by patients’ reports (self-reported claudication distance, SR-CD) and was directly assessed to determine the claudication and maximal walking distance by the 6-min test (6-CD and 6-MWD) and an incremental treadmill test (T-CD and T-MWD). The degree of muscle deoxygenation was objectively determined at the calf by near-infrared spectroscopy (NIRS) during the treadmill test. Among the 289 subjects analyzed, SR-CD exceeded both 6-CD and T-CD (+155 and +182 m, respectively). SR-CD was moderately correlated with T-CD (r = 0.30), 6-CD (r = 0.32), and 6-MWD (r = 0.29) but not with muscle deoxygenation per meter walked, unlike T-CD and 6-CD. A formula adjusted for the presence of diabetes reduced patient overestimation by 92%. The patient’s reported claudication distance was generally overestimated compared to objective measures, and it was made more reliable through a corrective factor for easy use in a clinical setting.
format	article
author	Nicola Lamberti Lorenzo Caruso Giovanni Piva Luca Traina Valentina Ficarra Paolo Zamboni Vincenzo Gasbarro Fabio Manfredini
author_facet	Nicola Lamberti Lorenzo Caruso Giovanni Piva Luca Traina Valentina Ficarra Paolo Zamboni Vincenzo Gasbarro Fabio Manfredini
author_sort	Nicola Lamberti
title	Beyond the Patient’s Report: Self-Reported, Subjective, Objective and Estimated Walking Disability in Patients with Peripheral Artery Disease
title_short	Beyond the Patient’s Report: Self-Reported, Subjective, Objective and Estimated Walking Disability in Patients with Peripheral Artery Disease
title_full	Beyond the Patient’s Report: Self-Reported, Subjective, Objective and Estimated Walking Disability in Patients with Peripheral Artery Disease
title_fullStr	Beyond the Patient’s Report: Self-Reported, Subjective, Objective and Estimated Walking Disability in Patients with Peripheral Artery Disease
title_full_unstemmed	Beyond the Patient’s Report: Self-Reported, Subjective, Objective and Estimated Walking Disability in Patients with Peripheral Artery Disease
title_sort	beyond the patient’s report: self-reported, subjective, objective and estimated walking disability in patients with peripheral artery disease
publisher	MDPI AG
publishDate	2021
url	https://doaj.org/article/5574038e18d34ab681b988bee8f8814b
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Beyond the Patient’s Report: Self-Reported, Subjective, Objective and Estimated Walking Disability in Patients with Peripheral Artery Disease

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