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Blanken AB, Korteweg M, van Boheemen L, van Vollenhoven RF, Nurmohamed MT, van der Laken CJ. Clinical evaluation of optical spectral transmission imaging for detection of disease activity in rheumatoid arthritis. Scand J Rheumatol 2024; 53:85-93. [PMID: 36974977 DOI: 10.1080/03009742.2023.2177382] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/19/2022] [Accepted: 02/03/2023] [Indexed: 03/29/2023]
Abstract
OBJECTIVE To investigate the performance and factors of influence of optical spectral transmission (OST) imaging as a new technique for measuring joint inflammation in rheumatoid arthritis (RA). METHOD OST was performed in 24 RA patients and 37 controls. Mann-Whitney U-test was used to assess differences in OST score between RA patients and controls. Receiver operating characteristics (ROC), linear regression and generalized estimating equations analysis were used to assess the discriminative capability of OST and the association of OST score with clinical disease parameters, ultrasound, radiographic features and cardiovascular risk parameters. RESULTS Median OST score was higher in RA patients than in controls [16.9 (interquartile range 12.77-19.7) vs 12.11 (10.32-14.93)]. At patient level, OST score was moderately associated with ultrasound [beta 0.38 (95% CI 0.16-0.60), p = 0.001] and clinical disease activity [28-joint Disease Activity Score-C-reactive protein beta 0.30 (95% CI 0.04- 0.57), p = 0.024] in RA patients. In controls, male sex, high body mass index, and hypertension were associated with higher OST scores, while these associations were absent in RA. At joint level, the area under the ROC curve for OST score, with ultrasound or clinical swelling as reference, ranged from 0.63 to 0.70. Joint-space narrowing and malalignment were associated with higher OST joint scores, and subchondral sclerosis with lower scores. CONCLUSION OST provides an objective measure of synovitis and correlates moderately with other examined disease activity assessment tools. Clinical patient characteristics must be considered when interpreting the results.
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Affiliation(s)
- A B Blanken
- Department of Rheumatology, Amsterdam Rheumatology and Immunology Center, Reade, Amsterdam, The Netherlands
- Department of Radiology, Amsterdam Rheumatology and Immunology Center, Amsterdam UMC, The Netherlands
| | - M Korteweg
- Department of Radiology, Reade, Amsterdam, The Netherlands
| | - L van Boheemen
- Department of Rheumatology, Amsterdam Rheumatology and Immunology Center, Reade, Amsterdam, The Netherlands
| | - R F van Vollenhoven
- Department of Radiology, Amsterdam Rheumatology and Immunology Center, Amsterdam UMC, The Netherlands
| | - M T Nurmohamed
- Department of Rheumatology, Amsterdam Rheumatology and Immunology Center, Reade, Amsterdam, The Netherlands
- Department of Radiology, Amsterdam Rheumatology and Immunology Center, Amsterdam UMC, The Netherlands
| | - C J van der Laken
- Department of Radiology, Amsterdam Rheumatology and Immunology Center, Amsterdam UMC, The Netherlands
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Triantafyllias K, Marinoska T, Heller C, de Blasi M, Muthuraman M, Schwarting A. Optical spectral transmission to assess glucocorticoid therapy response in patients with arthritis: a longitudinal follow-up comparison with joint ultrasound. Arthritis Res Ther 2023; 25:47. [PMID: 36964628 PMCID: PMC10039502 DOI: 10.1186/s13075-023-03023-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/29/2022] [Accepted: 02/28/2023] [Indexed: 03/26/2023] Open
Abstract
BACKGROUND Optical spectral transmission (OST) is a modern diagnostic modality, able to assess the blood-specific absorption of light transmitted through a tissue, promising quantification of inflammation in the finger and wrist joints of patients with arthritis. To date, there are no adequate data regarding the diagnostic value of OST in the evaluation of inflammatory activity changes, during arthritis follow-up. Objectives of this study were therefore to examine the performance of OST in assessing response to anti-inflammatory therapy in patients with active arthritis and to explore OST associations with clinical, laboratory, and ultrasonographic (US) activity markers. METHODS 1173 joints of 54 patients with arthritides of the wrist and finger joints were examined by OST before and after oral administration of glucocorticoids (GC), during a disease flare. For the same time-points patients underwent clinical, laboratory, and joint US [grayscale (GSUS), power-Doppler (PDUS)] examinations. The distribution of ΔOST-values between the two time-points was compared with the respective distributions of ΔPDUS and ΔGSUS by Bayesian statistical analyses. Moreover, the diagnostic performance of OST compared to a control group (2508 joints of 114 subjects) was examined by receiver operating characteristics and associations of OST values with clinical, laboratory, and arthrosonographic parameters were evaluated by correlation analyses. RESULTS OST and US performed similarly in the assessment of inflammatory changes caused by GC (same value-change tendency in 83.2% of the cases). Bayesian statistics revealed no significant differences between ΔOST and ΔPDUS for all 3 examined joint categories (accuracy: metacarpophalangeal (MCP): 68.1%; proximal interphalangeal (PIP): 60.4%; wrists: 50.4%) and between ΔOST and ΔGSUS for MCP and PIP joints (accuracy: 51.1% and 78.7%, respectively). OST diagnostic performance (patients vs. controls) was excellent in both time-points [area under the curve (AUC) before GC=0.883(95%CI=0.83-0.94) and after GC=0.811(95%CI=0.74-0.881); p<0.001]. Furthermore, OST correlated significantly with all examined sonographic activity scores (all; p<0.001) and with swollen joint counts (p<0.01). CONCLUSIONS OST was able to assess response to therapy in a similar way to joint US and correlated significantly with arthritis activity markers. Therefore, OST has proved to be a valuable tool to assist disease activity monitoring in the examined cohort. TRIAL REGISTRATION German Registry of Clinical Trials, DRKS00016752.
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Affiliation(s)
- Konstantinos Triantafyllias
- Rheumatology Center Rhineland-Palatinate, Kaiser-Wilhelm-Str. 9-11, 55543, Bad Kreuznach, Germany.
- Department of Internal Medicine I, Division of Rheumatology and Clinical Immunology, University Medical Center of the Johannes Gutenberg University Mainz, Mainz, Germany.
| | - Tatjana Marinoska
- Rheumatology Center Rhineland-Palatinate, Kaiser-Wilhelm-Str. 9-11, 55543, Bad Kreuznach, Germany
| | - Caroline Heller
- Department of Internal Medicine I, Division of Rheumatology and Clinical Immunology, University Medical Center of the Johannes Gutenberg University Mainz, Mainz, Germany
| | - Michele de Blasi
- Rheumatology Center Rhineland-Palatinate, Kaiser-Wilhelm-Str. 9-11, 55543, Bad Kreuznach, Germany
| | - Muthuraman Muthuraman
- Department of Biomedical Statistics and Multimodal Signal Processing, Neurology, University Medical Center of the Johannes Gutenberg University Mainz, Mainz, Germany
- Department of Neurology, University Hospital Würzburg, Würzburg, Germany
| | - Andreas Schwarting
- Rheumatology Center Rhineland-Palatinate, Kaiser-Wilhelm-Str. 9-11, 55543, Bad Kreuznach, Germany
- Department of Internal Medicine I, Division of Rheumatology and Clinical Immunology, University Medical Center of the Johannes Gutenberg University Mainz, Mainz, Germany
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Kim SH, Montejo L, Hielscher A. Diagnostic Evaluation of Rheumatoid Arthritis (RA) in Finger Joints Based on the Third-Order Simplified Spherical Harmonics (SP3) Light Propagation Model. Applied Sciences 2022; 12:6418. [DOI: 10.3390/app12136418] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/10/2022]
Abstract
This work focuses on the evaluation of third-order simplified spherical harmonics (SP3) model-based image reconstruction with respect to its clinical utility to diagnose rheumatoid arthritis (RA). The existing clinical data of 219 fingers was reconstructed for both absorption and scattering maps in fingers by using the reduced-Hessian sequential quadratic programming (rSQP) algorithm that employs the SP3 model of light propagation. The k-fold cross validation method was used for feature extraction and classification of SP3-based tomographic images. The performance of the SP3 model was compared to the DE and ERT models with respect to diagnostic accuracy and computational efficiency. The results presented here show that the SP3 model achieves clinically relevant sensitivity (88%) and specificity (93%) that compare favorably to the ERT while maintaining significant computational advantage over the ERT (i.e., the SP3 model is 100 times faster than the ERT). Furthermore, it is also shown that the SP3 is similar in speed but superior in diagnostic accuracy to the DE. Therefore, it is expected that the method presented here can greatly aid in the early diagnosis of RA with clinically relevant accuracy in near real-time at a clinical setting.
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He X, Chen H, Chang S, Zhu S. Multifunctional Nanoparticles Co-Loaded with Perfluoropropane, Indocyanine Green, and Methotrexate for Enhanced Multimodal Imaging of Collagen-Induced Arthritis. Mol Pharm 2022; 19:2418-2428. [PMID: 35484086 DOI: 10.1021/acs.molpharmaceut.2c00174] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Abstract
Rheumatoid arthritis (RA), a common chronic inflammatory joint disease with features of synovitis and pannus formation, may lead to irreparable joint damage and disability. Methotrexate (MTX) is known as the cornerstone of therapy for RA. However, the therapeutic effects of MTX are unsatisfactory due to its low retention in the inflammatory joints as well as systemic toxic effects. Fortunately, the use of multifunctional nanoparticles for diagnostics and in treatment shows potential for application as a strategy for traceable and targeted RA therapy. This research aims to develop novel nanoparticles that carry with perfluoropropane (PFP), indocyanine green (ICG), and MTX and investigate the corresponding enhancement in multimodal imaging both in vitro and in vivo. A modified double emulsion method was applied for the construction of encapsulated PFP-O2, ICG, and MTX (OIM@NPs), and the essential properties of the developed NPs were determined. The fluorescence and ultrasonic and photoacoustic imaging characteristics were experimentally evaluated both in in vitro and in vivo models. The OIM@NPs are stable and efficient nanoagents. They enable more targeted distribution in the inflammatory joints in RA rats. Moreover, the NPs play an important role as contrast agents for prominent ultrasound and photoacoustic imaging after laser and low-intensity focused ultrasound excitation, providing precision guidance and monitoring for subsequent treatment. This research may provide a novel and efficient strategy to better enable monitoring in inflammatory joints of RA patients and the developed NPs may be a promising nanoplatform for integrating multimodal image monitoring.
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Affiliation(s)
- Xinyu He
- Department of Pharmacy, First Affiliated Hospital of Chongqing Medical University, Chongqing 400016, China.,Chongqing Key Laboratory of Ultrasound Molecular Imaging, Chongqing 400016, China.,State Key Laboratory of Ultrasound in Medicine and Engineering, Chongqing Medical University, Chongqing 400016, China
| | - Huanhuan Chen
- Department of Pharmacy, First Affiliated Hospital of Chongqing Medical University, Chongqing 400016, China
| | - Shufang Chang
- Department of Obstetrics and Gynecology, Second Affiliated Hospital of Chongqing Medical University, Chongqing 400016, China
| | - Shenyin Zhu
- Department of Pharmacy, First Affiliated Hospital of Chongqing Medical University, Chongqing 400016, China
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Ohrndorf S, Glimm AM, Ammitzbøll-Danielsen M, Ostergaard M, Burmester GR. Fluorescence optical imaging: ready for prime time? RMD Open 2021; 7:e001497. [PMID: 34088778 PMCID: PMC8183208 DOI: 10.1136/rmdopen-2020-001497] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/26/2021] [Accepted: 05/22/2021] [Indexed: 11/04/2022] Open
Abstract
The novel technique of fluorescence optical imaging (FOI, Xiralite), which is approved in the European Union and the USA for clinical use, has been the object of studies since 2009. Indocyanine green-based FOI can demonstrate an impaired microcirculation caused by inflammation in both hands in one examination. Several studies have investigated FOI for detection of joint inflammation by comparing FOI to magnetic resonance imaging (MRI) and/or musculoskeletal ultrasound (MSUS). The results have shown a generally good agreement (>80%) between FOI and clinical examination, MRI and MSUS by power Doppler in inflammatory joint diseases. Moreover, characteristic enhancements in skin and nails are seen in PsA, which potentially can be useful in the diagnostic process of early undifferentiated arthritis. Furthermore, FOI has been investigated for the visualisation of a disturbed microcirculation in the hands and fingers of patients with systemic sclerosis (SSc), highlighting the potential of monitoring vascular changes in SSc and other vasculopathies. The available data indicate that it is time to consider FOI as a useful part of the imaging repertoire in rheumatology clinical practice, particularly where MSUS and MRI are not easily available.
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Affiliation(s)
- Sarah Ohrndorf
- Department of Rheumatology and Clinical Immunology, Charité - Universitätsmedizin Berlin, Campus Mitte, Humboldt - Universität zu Berlin, Freie Universität Berlin, Berlin, Germany
| | - Anne-Marie Glimm
- Department of Rheumatology and Clinical Immunology, Charité - Universitätsmedizin Berlin, Campus Mitte, Humboldt - Universität zu Berlin, Freie Universität Berlin, Berlin, Germany
| | - Mads Ammitzbøll-Danielsen
- Copenhagen Center for Arthritis Research, Center for Rheumatology and Spine Diseases, Rigshospitalet, Copenhagen, Denmark
- Department of Clinical Medicine, University of Copenhagen, Copenhagen, Denmark
| | - Mikkel Ostergaard
- Copenhagen Center for Arthritis Research, Center for Rheumatology and Spine Diseases, Rigshospitalet, Copenhagen, Denmark
- Department of Clinical Medicine, University of Copenhagen, Copenhagen, Denmark
| | - Gerd R Burmester
- Department of Rheumatology and Clinical Immunology, Charité - Universitätsmedizin Berlin, Campus Mitte, Humboldt - Universität zu Berlin, Freie Universität Berlin, Berlin, Germany
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