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Iwata T, Ito H, Furu M, Hashimoto M, Fujii T, Ishikawa M, Yamakawa N, Terao C, Azukizawa M, Hamamoto Y, Mimori T, Akiyama H, Matsuda S. Periarticular osteoporosis of the forearm correlated with joint destruction and functional impairment in patients with rheumatoid arthritis. Osteoporos Int 2016; 27:691-701. [PMID: 26243360 DOI: 10.1007/s00198-015-3256-1] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/28/2015] [Accepted: 07/20/2015] [Indexed: 01/01/2023]
Abstract
UNLABELLED The relationship between periarticular osteoporosis in the distal forearm and joint destruction or functional impairment in patients with rheumatoid arthritis (RA) is not sufficiently elucidated. From a single institutional cohort study, we found a strong correlation between periarticular forearm bone mineral density (BMD) and joint destruction or functional impairment. INTRODUCTION This study was conducted to investigate (1) the difference between various periarticular regions of interest (ROIs) of BMD of the forearm, (2) the correlation between periarticular forearm BMD and joint destruction and physical function, (3) the independent variables for predicting BMD of the forearm, and (4) the forearm BMD of different ROIs in the early stage of RA. METHODS We conducted a cross-sectional study in an RA cohort. Measurements included BMD of the distal forearm, joint destruction of the hands assessed by modified total Sharp score (mTSS), functional impairment assessed by a health assessment questionnaire (HAQ), and other clinical data. Variables affecting the forearm BMD values were analyzed by correlation and stepwise regression analyses. RESULTS Of the 405 patients enrolled in the present study, 370 (average age; 62.9 years) were identified as having definite RA with a complete set of data. BMD in the distal end of the forearm (BMDud) was significantly reduced compared with that in the distal third of the forearm (BMD1/3). In a stepwise regression analysis, the mTSS in BMD1/3 was an independent predicting variable, while age and partial HAQ scores associated with the upper extremity were common independent variables in BMDud and BMD1/3. BMDud was significantly less than BMD1/3, even in patients with a short duration of the disease. BMD1/3 was significantly less in non-remission group compared with that in remission group in patients with a short duration of the disease. CONCLUSION Periarticular BMD in the distal forearm is closely correlated with joint destruction and functional impairment in RA. Periarticular BMD in the distal forearm may be already reduced at the clinical manifestation of the disease.
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Nzelu CO, Cáceres AG, Guerrero-Quincho S, Tineo-Villafuerte E, Rodriquez-Delfin L, Mimori T, Uezato H, Katakura K, Gomez EA, Guevara AG, Hashiguchi Y, Kato H. A rapid molecular diagnosis of cutaneous leishmaniasis by colorimetric malachite green-loop-mediated isothermal amplification (LAMP) combined with an FTA card as a direct sampling tool. Acta Trop 2016; 153:116-9. [PMID: 26516109 DOI: 10.1016/j.actatropica.2015.10.013] [Citation(s) in RCA: 39] [Impact Index Per Article: 4.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/03/2015] [Revised: 10/15/2015] [Accepted: 10/20/2015] [Indexed: 01/01/2023]
Abstract
Leishmaniasis remains one of the world's most neglected diseases, and early detection of the infectious agent, especially in developing countries, will require a simple and rapid test. In this study, we established a quick, one-step, single-tube, highly sensitive loop-mediated isothermal amplification (LAMP) assay for rapid detection of Leishmania DNA from tissue materials spotted on an FTA card. An FTA-LAMP with pre-added malachite green was performed at 64°C for 60min using a heating block and/or water bath and DNA amplification was detected immediately after incubation. The LAMP assay had high detection sensitivity down to a level of 0.01 parasites per μl. The field- and clinic-applicability of the colorimetric FTA-LAMP assay was demonstrated with 122 clinical samples collected from patients suspected of having cutaneous leishmaniasis in Peru, from which 71 positives were detected. The LAMP assay in combination with an FTA card described here is rapid and sensitive, as well as simple to perform, and has great potential usefulness for diagnosis and surveillance of leishmaniasis in endemic areas.
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Khosroshahi A, Wallace ZS, Crowe JL, Akamizu T, Azumi A, Carruthers MN, Chari ST, Della-Torre E, Frulloni L, Goto H, Hart PA, Kamisawa T, Kawa S, Kawano M, Kim MH, Kodama Y, Kubota K, Lerch MM, Löhr M, Masaki Y, Matsui S, Mimori T, Nakamura S, Nakazawa T, Ohara H, Okazaki K, Ryu JH, Saeki T, Schleinitz N, Shimatsu A, Shimosegawa T, Takahashi H, Takahira M, Tanaka A, Topazian M, Umehara H, Webster GJ, Witzig TE, Yamamoto M, Zhang W, Chiba T, Stone JH. International Consensus Guidance Statement on the Management and Treatment of IgG4-Related Disease. Arthritis Rheumatol 2015; 67:1688-99. [PMID: 25809420 DOI: 10.1002/art.39132] [Citation(s) in RCA: 589] [Impact Index Per Article: 65.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/05/2014] [Accepted: 03/19/2015] [Indexed: 02/06/2023]
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Terao C, Yoshifuji H, Nakajima T, Yukawa N, Matsuda F, Mimori T. Ustekinumab as a therapeutic option for Takayasu arteritis: from genetic findings to clinical application. Scand J Rheumatol 2015; 45:80-82. [PMID: 26313121 DOI: 10.3109/03009742.2015.1060521] [Citation(s) in RCA: 48] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022]
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Sekiguchi M, Fujii T, Kitano M, Matsui K, Hashimoto H, Yokota A, Miki K, Yamamoto A, Fujimoto T, Hidaka T, Shimmyo N, Maeda K, Kuroiwa T, Yoshii I, Murakami K, Ohmura K, Morita S, Kawahito Y, Nishimoto N, Mimori T, Sano H. AB0472 Predicting Factors Associated with Sustained Clinical Remission by Abatacept are Different Between in Younger and Elderly Patients with Biologic-Naïve Rheumatoid Arthritis (Abroad Study). Ann Rheum Dis 2015. [DOI: 10.1136/annrheumdis-2015-eular.2693] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/03/2022]
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Barroso PA, Marco JD, Locatelli FM, Cardozo RM, Hoyos CL, Mora MC, García Bustos MF, López-Quiroga I, Mimori T, Gentile AG, Barrio AB, Korenaga M, Hashiguchi Y, Basombrío MA. Visceral Leishmaniasis Caused by Leishmania infantum in Salta, Argentina: Possible Reservoirs and Vectors. Am J Trop Med Hyg 2015; 93:334-9. [PMID: 26055744 DOI: 10.4269/ajtmh.14-0267] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/30/2014] [Accepted: 03/10/2015] [Indexed: 11/07/2022] Open
Abstract
Cases of human visceral leishmaniasis (HVL) were not recorded until recently in the Chaco region of northwestern Argentina. Dogs were surveyed at the sites of infection of two HVL index cases in the Chaco region of Salta province. Canine cases (CanL) were diagnosed by two parasitological methods, two molecular methods targeting mini- and maxicircle DNA, and immunochromatographic dipstick. Among 77 dogs studied, 10 (13%) were found infected with Leishmania spp. In seven dogs and two humans, the infecting species was typed as Leishmania (Leishmania) infantum. The same genotype was detected in the human and two of the CanL. Although several diagnostic methods displayed weak or moderate agreement, the concordance values for serology versus maxicircle PCR were very good (Kappa index = 0.84). Sandflies captured in the area were identified as Lutzomyia migonei and Lu. cortelezzii/Lu. sallesi (cortelezzii complex). The focal appearance of leishmaniasis in dogs and humans in a sylvatic region and its relatively low prevalence of infection suggests that L. (L.) infantum transmission to dogs and humans may, in this region, stem from sylvatic reservoirs.
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Ohkawara T, Lee H, Serada S, Hosono Y, Fujimoto M, Mimori T, Naka T. AB1094 Leucine-Rich-Alpha Glycoprotein-1 (LRG1) and Lupus Nephritis. Ann Rheum Dis 2015. [DOI: 10.1136/annrheumdis-2015-eular.4390] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/03/2022]
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Mimori T, Atsumi T, Harigai M, Nishimoto N, Sumida T, Takeuchi T, Tanaka Y, Yamanaka H, Nakasone A, Takagi N, Ishiguro N. SAT0211 Effectiveness and Safety of Tocilizumab in Biologics Naïve RA Patients – PMS for Investigating Success in Achieving Clinical and Functional Remission and Sustaining Efficacy with Tocilizumab in Biologics-Naïve RA Patients (First Bio) Study: Table 1. Ann Rheum Dis 2015. [DOI: 10.1136/annrheumdis-2015-eular.1829] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/04/2022]
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Iwata T, Ito H, Furu M, Hashimoto M, Fujii T, Ishikawa M, Yamakawa N, Terao C, Azukizawa M, Hamamoto Y, Mimori T, Akiyama H, Matsuda S. SAT0301 Periarticular Osteoporosis of the Forearm Correlated with Joint Destruction and Functional Impairment in Patients With Rheumatoid Arthritis. Ann Rheum Dis 2015. [DOI: 10.1136/annrheumdis-2015-eular.2539] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/04/2022]
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Ito H, Hamamoto Y, Furu M, Hashimoto M, Fujii T, Ishikawa M, Azukizawa M, Terao C, Mimori T, Matsuda S. AB0268 Metatarsophalangeal Joint Dislocation has Clinical Impact on Global Functional Impairment in Patients with Rheumatoid Arthritis – a Cross-Sectional Study from Kurama Cohort-. Ann Rheum Dis 2015. [DOI: 10.1136/annrheumdis-2015-eular.1566] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/04/2022]
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Ishikawa Y, Fujii T, Kondo-Ishikawa S, Hashimoto M, Furu M, Ito H, Imura Y, Yukawa N, Yoshifuji H, Ohmura K, Mimori T. FRI0143 Type I Interferon Plays A Key Role in Immunogenicity and Lupus-Like Autoimmunity in Patients with Rheumatoid Arthritis Treated by Infliximab. Ann Rheum Dis 2015. [DOI: 10.1136/annrheumdis-2015-eular.1567] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/03/2022]
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Furu M, Hashimoto M, Fujii T, Ito H, Ishikawa M, Terao C, Yamakawa N, Yamamoto W, Yoshitomi H, Matsuda S, Mimori T. AB0294 Analysis of Prognosis Factors for Functional Disability in a Japanese Cohort for Rheumatoid Arthritis. Ann Rheum Dis 2015. [DOI: 10.1136/annrheumdis-2015-eular.3660] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/03/2022]
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Mimori T, Atsumi T, Harigai M, Nishimoto N, Sumida T, Takeuchi T, Tanaka Y, Yamanaka H, Nakasone A, Takagi N, Ishiguro N. AB0486 Effect of Baseline Disease Duration on Development of Clinical Remission in the RA Patients Receiving Tocilizumab – Data from PMS with Tocilizumab in Biologics-Naïve RA Patients (First Bio) Study. Ann Rheum Dis 2015. [DOI: 10.1136/annrheumdis-2015-eular.1295] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/03/2022]
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Nakabo S, Iwasaki T, Ohmura K, Terao C, Murakami K, Nakashima R, Hashimoto M, Imura Y, Yukawa N, Yoshifuji H, Miura Y, Yurugi K, Maekawa T, Fujii T, Mimori T. SAT0594 Will Anti-Cyclic Citrullinated Peptide Antibody-Positive Connective Tissue Disease Patients Develop Rheumatoid Arthritis? Association with HLA-DRB1 Shared Epitope. Ann Rheum Dis 2015. [DOI: 10.1136/annrheumdis-2015-eular.2334] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/04/2022]
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Terao C, Yoshifuji H, Yukawa N, Nakajima T, Matsuda F, Mimori T. AB0636 Ustekinumab as a Therapeutic Option for Takayasu Arteritis –from Genetic Findings to Clinical Application-. Ann Rheum Dis 2015. [DOI: 10.1136/annrheumdis-2015-eular.4170] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/03/2022]
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Tanaka Y, Hirata S, Amano K, Atsumi T, Yamamoto K, Sumida T, Takeuchi T, Kohsaka H, Mimori T, Kawakami A, Nishimoto N, Tanaka E, Kaneko Y, Yasuoka H, Fukuyo S, Saito K. AB0513 Treatment Strategy Targeting Structural Remission in Patients with Early Rheumatoid Arthritis: A Multi-Central, Prospective, Comparative Study Targeting Joint Damage to Zero (Zero-J Study). Ann Rheum Dis 2015. [DOI: 10.1136/annrheumdis-2015-eular.2544] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/03/2022]
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Kato H, Gomez EA, Fujita M, Ishimaru Y, Uezato H, Mimori T, Iwata H, Hashiguchi Y. Ayadualin, a novel RGD peptide with dual antihemostatic activities from the sand fly Lutzomyia ayacuchensis, a vector of Andean-type cutaneous leishmaniasis. Biochimie 2015; 112:49-56. [DOI: 10.1016/j.biochi.2015.02.011] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/18/2014] [Accepted: 02/16/2015] [Indexed: 01/07/2023]
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Kato H, Cáceres AG, Gomez EA, Mimori T, Uezato H, Hashiguchi Y. Genetic divergence in populations of Lutzomyia ayacuchensis, a vector of Andean-type cutaneous leishmaniasis, in Ecuador and Peru. Acta Trop 2015; 141:79-87. [PMID: 25312337 DOI: 10.1016/j.actatropica.2014.10.004] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/10/2014] [Revised: 09/24/2014] [Accepted: 10/03/2014] [Indexed: 12/13/2022]
Abstract
Haplotype and gene network analyses were performed on mitochondrial cytochrome oxidase I and cytochrome b gene sequences of Lutzomyia (Lu.) ayacuchensis populations from Andean areas of Ecuador and southern Peru where the sand fly species transmit Leishmania (Leishmania) mexicana and Leishmania (Viannia) peruviana, respectively, and populations from the northern Peruvian Andes, for which transmission of Leishmania by Lu. ayacuchensis has not been reported. The haplotype analyses showed higher intrapopulation genetic divergence in northern Peruvian Andes populations and less divergence in the southern Peru and Ecuador populations, suggesting that a population bottleneck occurred in the latter populations, but not in former ones. Importantly, both haplotype and phylogenetic analyses showed that populations from Ecuador consisted of clearly distinct clusters from southern Peru, and the two populations were separated from those of northern Peru.
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Gomez EA, Kato H, Mimori T, Hashiguchi Y. Distribution of Lutzomyia ayacuchensis, the vector of Andean-type cutaneous leishmaniasis, at different altitudes on the Andean slope of Ecuador. Acta Trop 2014; 137:118-22. [PMID: 24856579 DOI: 10.1016/j.actatropica.2014.05.006] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/18/2014] [Revised: 05/09/2014] [Accepted: 05/12/2014] [Indexed: 11/25/2022]
Abstract
Distribution of the vector species is a major risk factor for the endemicity of leishmaniasis. In the present study, the vertical distribution of Lutzomyia (Lu.) ayacuchensis, the vector of Leishmania (Leishmania) mexicana in the Ecuadorian Andes, was surveyed at different altitudes (300-2500m above sea level) of the Andean slope. The vector species Lu. ayacuchensis was identified at an altitude of 650m and a higher areas, and higher distribution ratio of the species was observed at higher altitudes. In addition, high ratios of L. (L.) mexicana infection were detected in higher areas, but none in lower populations of sand flies. Since an association between sand fly populations and vector competence is suggested in Lu. ayacuchensis, haplotype analysis was performed on the species from different altitudes of the study areas; however, no apparent difference was observed among populations. These results suggested that Lu. ayacuchensis in Andean slope areas of Ecuador has the potential to transmit L. (L.) mexicana and spread leishmaniasis in these areas.
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Terao C, Yamada R, Mimori T, Yamamoto K, Sumida T. A nationwide study of SLE in Japanese identified subgroups of patients with clear signs patterns and associations between signs and age or sex. Lupus 2014; 23:1435-42. [DOI: 10.1177/0961203314547790] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/15/2023]
Abstract
We performed a nationwide study to determine the distributions of the signs and clinical markers of systemic lupus erythematosus (SLE) and identify any patterns in their distributions to allow patient subclassification. We obtained 256,999 patient-year records describing the disease status of SLE patients from 2003 to 2010. Of these, 14,779 involved patients diagnosed within the last year, and 242,220 involved patients being followed up. Along with basic descriptive statistics, we analyzed the effects of sex, age and disease duration on the frequencies of signs in the first year and follow-up years. The patients and major signs were clustered using the Ward method. The female patients were younger at onset. Renal involvement and discoid eczema were more frequent in males, whereas arthritis, photosensitivity and cytopenia were less. Autoantibody production and malar rash were positively associated with young age, and serositis and arthritis were negatively associated. Photosensitivity was positively associated with a long disease duration, and autoantibody production, serositis and cytopenia were negatively associated. The SLE patients were clustered into subgroups, as were the major signs. We identified differences in SLE clinical features according to sex, age and disease duration. Subgroups of SLE patients and the major signs of SLE exist.
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Takeuchi T, Kaneko Y, Atsumi T, Tanaka Y, Inoh M, Kobayashi H, Amano K, Miyata M, Murakawa Y, Fujii T, Kawakami A, Yamanaka H, Yamamoto K, Miyasaka N, Mimori T, Tanaka E, Nagasawa H, Yasuoka H, Hirata S. SAT0257 Clinical and Radiographic Effects after 52-Week of Adding Tocilizumab or Switching to Tocilizumab in RA Patients with Inadequate Response to Methotrexate: Results from A Prospective Randomized Controlled Study (Surprise Study): Table 1. Ann Rheum Dis 2014. [DOI: 10.1136/annrheumdis-2014-eular.2439] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/03/2022]
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Harigai M, Ishiguro N, Inokuma S, Mimori T, Ryu J, Takasaki Y, Takei S, Takeuchi T, Tanaka Y, Yamanaka H, Watanabe M, Koike T. AB0435 Effects of Prior Use of BIOLOGICS on the Safety and Effectiveness of Abatacept Administered with or without Methotrexate in Japanese Patients with Rheumatoid Arthritis: Sub-Analysis of the Abatacept All-Cases Post-Marketing Surveillance. Ann Rheum Dis 2014. [DOI: 10.1136/annrheumdis-2014-eular.1987] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/03/2022]
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Furu M, Hashimoto M, Ito H, Fujii T, Ishikawa M, Yamakawa N, Terao C, Yoshitomi H, Ogino H, Matsuda S, Mimori T. AB0274 The Influence of Continuous Remission Rate on Functional Disability and Radiographic Progression for Rheumatoid Arthritis in A Japanese Observational Cohort. Ann Rheum Dis 2014. [DOI: 10.1136/annrheumdis-2014-eular.2782] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/04/2022]
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Ishikawa Y, Fujii T, Kondoh-Ishikawa S, Hashimoto M, Furu M, Ito H, Imura Y, Nakashima R, Yukawa N, Yoshifuji H, Ohmura K, Mimori T. FRI0288 Immunogenicity is Associated with Lupus-Like Autoimmunity in Rheumatoid Arthritis Patients Treated with Infliximab. Ann Rheum Dis 2014. [DOI: 10.1136/annrheumdis-2014-eular.1421] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/04/2022]
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Ito H, Hamamoto Y, Furu M, Hashimoto M, Fujii T, Ishikawa M, Yamakawa N, Terao C, Mimori T, Matsuda S. SAT0150 Prevalence of Forefoot Deformities in Patients with Rheumatoid Arthritis – A Cross-Sectional Study from Kurama Cohort-. Ann Rheum Dis 2014. [DOI: 10.1136/annrheumdis-2014-eular.1599] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/04/2022]
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