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Reappraisal of bone scintigraphy as a new tool for the evaluation of disease activity in patients with rheumatoid arthritis. Sci Rep 2021; 11:21809. [PMID: 34750402 PMCID: PMC8575878 DOI: 10.1038/s41598-021-01104-w] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/23/2021] [Accepted: 10/19/2021] [Indexed: 11/08/2022] Open
Abstract
We aimed to compare the reliability of bone scintigraphy (BS) and fluorine-18-fluorodeoxyglucose (18F-FDG) positron emission tomography (PET)-derived parameters in the detection of active arthritis in 28-joint areas and evaluate the reliability of joint counts between BS and clinical assessment in patients with rheumatoid arthritis (RA). We enrolled 106 patients (67 in the development group and 39 in the validation groups) with active RA who underwent BS, 18F-FDG PET/computed tomography (CT), and clinical evaluation of disease activity. We compared the results of BS-derived joint assessment with those of PET-derived and clinical joint assessments. Subsequently we developed a disease activity score (DAS) using BS-positive joints and validated it in an independent group. The number of BS-positive joints in 28-joint areas significantly correlated with the swollen /tender joint counts (SJC/TJC) and PET-derived joint counts. A BS uptake score of 2 (strong positive) was significantly more sensitive compared with a BS uptake score of 1 (weak positive) in detecting a PET-positive joint among the 28-joints. After conducting multivariate analyses including erythrocyte sediment rate (ESR) and patient global assessment (PGA) in addition to BS-derived parameters, BS/DAS was obtained as follows: 0.056 × number of BS-positive joints in 28 joints + 0.012 × ESR + 0.030 × PGA. A significant correlation between BS/DAS and DAS28-ESR was confirmed in the validation group. Strong positive uptake of BS is sensitive and reproducible for the detection of active joints, and can complement the clinical assessment of disease activity in RA.
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Kawashiri SY, Nishino A, Shimizu T, Takatani A, Umeda M, Koga T, Iwamoto N, Ichinose K, Tamai M, Nakamura H, Origuchi T, Maeda T, Kawakami A. Fluorescence optical imaging in patients with active rheumatoid arthritis: a comparison with ultrasound and an association with biomarkers. Scand J Rheumatol 2020; 50:95-103. [PMID: 33084461 DOI: 10.1080/03009742.2020.1794028] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Abstract
Objectives: This study compared indocyanine green (ICG)-enhanced fluorescence optical imaging (FOI) and musculoskeletal ultrasound (MSUS), and explored the significance of the FOI findings based on the association between the FOI and MSUS findings and serum biomarkers in patients with rheumatoid arthritis (RA). The study also explored the association between the FOI findings and patients' joint destruction at the joint-area level.Method: We enrolled 50 consecutive patients with active RA from among the patients hospitalized from May 2014 to March 2016 at Nagasaki University Hospital, Japan. FOI images were acquired with the Xiralite® fluorescence imaging system and compared with the patients' clinical examination results and MSUS findings. On the same day, the patients' clinical disease activity and levels of serum biomarkers (including vascular endothelial growth factor) were obtained.Results: Although the FOI detected synovitis with high sensitivity, the frequency of positive findings and the diagnostic performance with MSUS as the reference standard for FOI differed considerably among the phases of FOI as well as among the affected joint regions. The FOI scores were positively correlated with clinical disease activity, MSUS scores, and serum biomarkers. The severity of FOI-proven synovitis was associated with the presence of MSUS-proven bone erosion.Conclusion: FOI is effective for detecting joint inflammation in RA patients, with high accuracy. The severity of the FOI score was closely associated with the joint destruction at the joint-area level. However, the significance of positive FOI findings differed depending on not only the phase of FOI but also the affected joint regions.
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Affiliation(s)
- S-Y Kawashiri
- Department of Community Medicine, Nagasaki University Graduate School of Biomedical Sciences, Nagasaki, Japan.,Department of Immunology, Nagasaki University Graduate School of Biomedical Sciences, Nagasaki, Japan
| | - A Nishino
- Department of Immunology, Nagasaki University Graduate School of Biomedical Sciences, Nagasaki, Japan
| | - T Shimizu
- Department of Immunology, Nagasaki University Graduate School of Biomedical Sciences, Nagasaki, Japan
| | - A Takatani
- Department of Immunology, Nagasaki University Graduate School of Biomedical Sciences, Nagasaki, Japan
| | - M Umeda
- Department of Immunology, Nagasaki University Graduate School of Biomedical Sciences, Nagasaki, Japan
| | - T Koga
- Department of Immunology, Nagasaki University Graduate School of Biomedical Sciences, Nagasaki, Japan
| | - N Iwamoto
- Department of Immunology, Nagasaki University Graduate School of Biomedical Sciences, Nagasaki, Japan
| | - K Ichinose
- Department of Immunology, Nagasaki University Graduate School of Biomedical Sciences, Nagasaki, Japan
| | - M Tamai
- Department of Immunology, Nagasaki University Graduate School of Biomedical Sciences, Nagasaki, Japan
| | - H Nakamura
- Department of Immunology, Nagasaki University Graduate School of Biomedical Sciences, Nagasaki, Japan
| | - T Origuchi
- Department of Immunology, Nagasaki University Graduate School of Biomedical Sciences, Nagasaki, Japan
| | - T Maeda
- Department of Community Medicine, Nagasaki University Graduate School of Biomedical Sciences, Nagasaki, Japan
| | - A Kawakami
- Department of Immunology, Nagasaki University Graduate School of Biomedical Sciences, Nagasaki, Japan.,Department of Rheumatology, Nagasaki University Graduate School of Biomedical Sciences, Nagasaki, Japan
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Lee SJ, Jeong JH, Lee CH, Ahn BC, Eun JS, Kim NR, Kang JW, Nam EJ, Kang YM. Development and Validation of an 18 F-Fluorodeoxyglucose-Positron Emission Tomography With Computed Tomography-Based Tool for the Evaluation of Joint Counts and Disease Activity in Patients With Rheumatoid Arthritis. Arthritis Rheumatol 2019; 71:1232-1240. [PMID: 30771237 DOI: 10.1002/art.40860] [Citation(s) in RCA: 23] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/09/2018] [Accepted: 02/12/2019] [Indexed: 01/02/2023]
Abstract
OBJECTIVE Clinical joint count assessment is important for detecting synovitis but its reliability is a subject of controversy. This study was undertaken to assess the correlation of positron emission tomography (PET)-derived parameters in 68 joints with disease activity and to compare the reliability of joint counts between PET with computed tomography (CT) and clinical assessment in patients with rheumatoid arthritis (RA). METHODS We enrolled 91 patients with active RA (69 in a development group and 22 in a validation group) who underwent concurrent 18 F-fluorodeoxyglucose (18 F-FDG)-PET-CT and clinical disease activity evaluation. PET-derived parameters were compared with disease activity assessed using clinical joint count parameters. A Disease Activity Score (DAS) using counts of PET-positive joints was developed, and then validation studies were performed in an independent group. RESULTS The number of PET-positive joints (of 28 and 68 joints) was significantly correlated with the swollen joint count (SJC) and tender joint count (TJC) and the DAS in 28 joints using the erythrocyte sedimentation rate (DAS28-ESR). Intraobserver and interobserver reliability of PET for the affected joint counts were excellent. Interobserver reliability between nuclear medicine physicians and rheumatologists was good for the SJC and TJC in both 28 joints and 68 joints. After multivariate analyses, including ESR and patient's global assessment of disease activity (PtGA) in addition to PET-derived parameters, the PET/DAS was derived as (0.063 × number of PET-positive joints in 28 joints) + (0.011 × ESR) + (0.030 × PtGA). A significant correlation between the PET/DAS and the DAS28-ESR was confirmed in the validation group (P < 0.001). CONCLUSION PET-CT could serve as a sensitive and reliable method in the evaluation of disease activity in RA patients, and may be applicable as a research tool, particularly in clinical trials.
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Affiliation(s)
- Sang Jin Lee
- Kyungpook National University Hospital and Kyungpook National University, Daegu, Republic of Korea
| | - Ju Hye Jeong
- Kyungpook National University Hospital, Daegu, Republic of Korea
| | - Chang-Hee Lee
- Kyungpook National University Hospital, Daegu, Republic of Korea
| | - Byeong-Cheol Ahn
- Kyungpook National University Hospital and Kyungpook National University, Daegu, Republic of Korea
| | - Jung Su Eun
- Kyungpook National University Hospital, Daegu, Republic of Korea
| | - Na Ri Kim
- Kyungpook National University Hospital, Daegu, Republic of Korea
| | - Jong Whan Kang
- Kyungpook National University Hospital, Daegu, Republic of Korea
| | - Eon Jeong Nam
- Kyungpook National University Hospital and Kyungpook National University, Daegu, Republic of Korea
| | - Young Mo Kang
- Kyungpook National University Hospital and Kyungpook National University, Daegu, Republic of Korea
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Fujimori M, Kamishima T, Narita A, Henmi M, Kato M, Sutherland K, Nishida M, Tanaka Y, Yutong L, Tanimura K, Atsumi T. Quantitative power Doppler signal assessment in the subchondral bone region of the metacarpophalangeal joint is an effective predictor of radiographic progression in the hand of rheumatoid arthritis: a pilot study. Rheumatol Int 2019; 39:1413-1421. [PMID: 31089859 DOI: 10.1007/s00296-019-04320-w] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/13/2019] [Accepted: 05/03/2019] [Indexed: 10/26/2022]
Abstract
Ultrasonography is useful for assessment of synovitis in the hand of rheumatoid arthritis (RA) patients. The aim of this study was to investigate the predictive value of the quantitative power Doppler (PD) signal assessment in the subchondral bone region of the metacarpophalangeal (MCP) joint in patients with RA showing radiographic progression of the hand by comparing with those of previously reported scoring systems. Twenty-two patients (20 women) with RA who underwent power Doppler ultrasonography (PDUS) of the bilateral one to five MCP joints at baseline were included in the study. Radiography of both hands was performed at baseline and at 1 year. PDUS of the synovial space was evaluated according to semi-quantitative scoring (0-3) and quantitative measurement (0-100%). The PD signal in the subchondral bone region was qualitatively (0, 1) and quantitatively (mm2) assessed. The performance of PDUS assessment was compared using the area under the curve (AUC) of the receiver operating characteristic (ROC) curve and the risk ratio (RR). As a predictor for radiographic progression, the quantitative PD signal assessment in the subchondral bone region (AUC = 0.842, p < 0.01) was equivalent to quantitative vascularity (AUC = 0.817, p < 0.05) and semi-quantitative scoring (AUC = 0.754, p < 0.05). As for the RR of the PD signal in the subchondral bone region for radiographic progression, the quantitative PD signal assessment was 5.40 (p < 0.01), whereas the qualitative PD signal assessment was 1.60 (p = 0.204). Quantitative PD signal assessment in the subchondral bone region can predict radiographic progression in the hand of RA patients.
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Affiliation(s)
- Motoshi Fujimori
- Graduate School of Health Sciences, Hokkaido University, North-12 West-5, Kita-ku, Sapporo, 060-0812, Japan
| | - Tamotsu Kamishima
- Faculty of Health Sciences, Hokkaido University, North-12 West-5, Kita-ku, Sapporo, 060-0812, Japan.
| | - Akihiro Narita
- Hokkaido Medical Center for Rheumatic Diseases, Kotoni 1-3-1-45, Nishi-ku, Sapporo, 063-0811, Japan
| | - Mihoko Henmi
- Hokkaido Medical Center for Rheumatic Diseases, Kotoni 1-3-1-45, Nishi-ku, Sapporo, 063-0811, Japan
| | - Masaru Kato
- Department of Rheumatology, Endocrinology and Nephrology, Faculty of Medicine and Graduate School of Medicine, Hokkaido University, North-15 West-7, Kita-ku, Sapporo, 060-8638, Japan
| | - Kenneth Sutherland
- Global Station for Medical Science and Engineering, Global Institution for Collaborative Research and Education (GI-CoRE), Hokkaido University, North-15 West-7, Kita-ku, Sapporo, 060-8638, Japan
| | - Mutsumi Nishida
- Division of Laboratory and Transfusion Medicine/Diagnostic Center for Sonography, Hokkaido University Hospital, North-14 West-5, Kita-ku, Sapporo, 060-8648, Japan
| | - Yuki Tanaka
- Graduate School of Health Sciences, Hokkaido University, North-12 West-5, Kita-ku, Sapporo, 060-0812, Japan
| | - Lu Yutong
- Graduate School of Health Sciences, Hokkaido University, North-12 West-5, Kita-ku, Sapporo, 060-0812, Japan
| | - Kazuhide Tanimura
- Hokkaido Medical Center for Rheumatic Diseases, Kotoni 1-3-1-45, Nishi-ku, Sapporo, 063-0811, Japan
| | - Tatsuya Atsumi
- Department of Rheumatology, Endocrinology and Nephrology, Faculty of Medicine and Graduate School of Medicine, Hokkaido University, North-15 West-7, Kita-ku, Sapporo, 060-8638, Japan
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