Diffuse Optical Tomography of Osteoarthritis

Yuan, Zhen; Jiang, Huabei

doi:10.1002/9783527643981.bphot042

Handbook of Biophotonics 2012

DOI: 10.1002/9783527643981.bphot042

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Diffuse Optical Tomography of Osteoarthritis

Zhen Yuan

Huabei Jiang

Abstract: The sections in this article are Motivation Diffuse Optical Tomography Imaging of Osteoarthritis in the Hands DOT and Hybrid X ‐Ray– DOT Systems DOT Reconstruction Methods Reconstructed Resul… Show more

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2021

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Evaluation of SLE arthritis using frequency domain optical imaging

et al. 2021

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ObjectivesSystemic lupus erythematosus (SLE) affects the joints in up to 95% of patients. The diagnosis and evaluation of SLE arthritis remain challenging in both practice and clinical trials. Frequency domain optical imaging (FDOI) has been previously used to assess joint involvement in inflammatory arthritis. The objective of this study was to evaluate FDOI in SLE arthritis.MethodsNinety-six proximal interphalangeal (PIP) joints from 16 patients with SLE arthritis and 60 PIP joints from 10 age-matched, gender-matched and race/ethnicity-matched controls were examined. A laser beam with a wavelength of 670 nm, 1 mm in diameter and intensity modulated at 300 MHz and 600 MHz was directed onto the dorsal surface of each joint, scanning across a sagittal plane. The transmitted light intensities and phase shifts were measured with an intensified charge-coupled device camera. The data were analysed using Discriminant Analysis and Support Vector Machine algorithms.ResultsThe amplitude and phase of the transmitted light were significantly different between SLE and control PIPs (p<0.05). Receiver operating characteristic (ROC) analysis of cross-validated models showed an Area Under the ROC Curve (AUC)of 0.89 with corresponding sensitivity of 95%, specificity of 79%, and accuracy of 80%.ConclusionThis study is the first evaluation of optical methods in the assessment of SLE arthritis; there was a statistically significant difference in the FDOI signals between patients with SLE and healthy volunteers. The results show that FDOI may have the potential to provide an objective, user-independent, evaluation of SLE PIP joints arthritis.

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Evaluation of SLE arthritis using frequency domain optical imaging

et al. 2021

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Diffuse Optical Tomography of Osteoarthritis

Abstract: The sections in this article are Motivation Diffuse Optical Tomography Imaging of Osteoarthritis in the Hands DOT and Hybrid X ‐Ray– DOT Systems DOT Reconstruction Methods Reconstructed Resul… Show more

Cited by 1 publication

References 7 publications

Evaluation of SLE arthritis using frequency domain optical imaging

Evaluation of SLE arthritis using frequency domain optical imaging

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