Clinical and experimental rheumatology最新文献

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The impact of community-based, common, non-pharmaceutical interventions on sleep in patients with fibromyalgia: a systematic review and network meta-analysis. 基于社区的常见非药物干预措施对纤维肌痛患者睡眠的影响:系统综述和网络荟萃分析。
IF 3.4 4区 医学
Clinical and experimental rheumatology Pub Date : 2024-11-01 Epub Date: 2024-07-24 DOI: 10.55563/clinexprheumatol/53qrav
Rui Zhang, Hui Li, Tiantian Kong, Ligang Shan, Pengxiang Wang, Yimin Kang, Fan Wang
{"title":"The impact of community-based, common, non-pharmaceutical interventions on sleep in patients with fibromyalgia: a systematic review and network meta-analysis.","authors":"Rui Zhang, Hui Li, Tiantian Kong, Ligang Shan, Pengxiang Wang, Yimin Kang, Fan Wang","doi":"10.55563/clinexprheumatol/53qrav","DOIUrl":"10.55563/clinexprheumatol/53qrav","url":null,"abstract":"<p><strong>Objectives: </strong>Patients with fibromyalgia syndrome (FM) often suffer from sleep disorders, adversely affecting their prognosis. Active non-pharmacological therapies are considered the mainstay of treatment for FM, but the optimal treatment choice remains contentious. We aimed to compare and rank community-based non-pharmacological interventions for FM with sleep disorder by quantifying information from randomised controlled trials (RCTs).</p><p><strong>Methods: </strong>Two authors independently selected studies and extracted data. We searched Embase, MEDLINE, PubMed, CNKI, Scopus, Google Scholar, Web of Science, and the Cochrane Central Register of Controlled Trials (CENTRAL) from the database inception to June 2022. Network meta-analyses were conducted using a frequency-based method. The study protocol is registered with the Prospective Register of Systematic Reviews (PROSPERO, CRD 42022373704). Eleven RCTs (n=729) were included in the analysis.</p><p><strong>Results: </strong>Mindfulness-based therapy (MBT) (SMD=-0.84 (95% CI: -1.49 to -0.20)) and cognitive behavioural therapy (CBT) (SMD=-0.54 (95% CI: -1.04 to -0.04)) were associated with significantly improved sleep symptoms in a patient with FM compared with usual care.</p><p><strong>Conclusions: </strong>MBT exhibited the highest probability (91.14%) of being the most effective intervention in sleep improvement, followed by CBT (72.39%). MBT exhibited marked advantages over other interventions and is likely to have optimal efficacy in ameliorating sleep disorders.</p>","PeriodicalId":10274,"journal":{"name":"Clinical and experimental rheumatology","volume":null,"pages":null},"PeriodicalIF":3.4,"publicationDate":"2024-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141757404","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Group 3 innate lymphoid cells promotes Th17 cells differentiation in rheumatoid arthritis. 第 3 组先天性淋巴细胞促进类风湿性关节炎中 Th17 细胞的分化。
IF 3.4 4区 医学
Clinical and experimental rheumatology Pub Date : 2024-11-01 Epub Date: 2024-06-06 DOI: 10.55563/clinexprheumatol/ktbiqc
Xinhang Liu, Lisheng Wu, Shixian Chen, Xiao Liang, Xiaoyun Chen, Xiaoguang Chen, Juan Li, Junqing Zhu
{"title":"Group 3 innate lymphoid cells promotes Th17 cells differentiation in rheumatoid arthritis.","authors":"Xinhang Liu, Lisheng Wu, Shixian Chen, Xiao Liang, Xiaoyun Chen, Xiaoguang Chen, Juan Li, Junqing Zhu","doi":"10.55563/clinexprheumatol/ktbiqc","DOIUrl":"10.55563/clinexprheumatol/ktbiqc","url":null,"abstract":"<p><strong>Objectives: </strong>To investigate the correlation between innate lymphoid cell (ILC) subsets with T-helper (Th) cells and to explore the effect of ILCs on T cells in rheumatoid arthritis (RA).</p><p><strong>Methods: </strong>We analysed the frequencies of ILC subsets in RA patients with varying disease activity and their correlation with Th cell subsets. We further investigated this correlation in various organs of collagen-induced arthritis (CIA) mice. The effects of ILCs on CD4+ T cells were determined by in vitro cell co-culture experiments.</p><p><strong>Results: </strong>ILCs were less frequent in RA patients than in healthy controls, with higher levels of group 3 ILCs (ILC3s) in RA (p<0.05). ILC3s correlated positively with Th1 and Th17 cells in RA peripheral blood (p<0.05). In the peripheral blood, spleen, and lymph nodes of CIA, ILC3s decreased and then increased during arthritis progression. ILC3s correlated positively with Th1 and Th17 cells in the spleen and lymph nodes of CIA (p<0.05). NKp46+ ILC3s in the spleen positively correlated with Th1 and Th17 cells (p<0.05). Under Th17 cell differentiation conditions, co-culturing CIA-derived ILC3s directly with naive CD4+ T cells promoted Th17 differentiation and increased IL-17 secretion. However, co-culturing through a transwell insert impeded Th17 differentiation without affecting IL-17 secretion.</p><p><strong>Conclusions: </strong>ILC3s positively correlated with Th1 and Th17 cells in RA. In CIA, the frequencies of ILC3s changed with disease development and showed a positive correlation with Th1 and Th17 cells. ILC3s may facilitate the differentiation of Th17 cells through direct cell-cell contact.</p>","PeriodicalId":10274,"journal":{"name":"Clinical and experimental rheumatology","volume":null,"pages":null},"PeriodicalIF":3.4,"publicationDate":"2024-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141295610","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Mechanism of neutrophil extracellular traps in the pathogenesis of gout. 中性粒细胞胞外捕获物在痛风发病机制中的作用机制
IF 3.4 4区 医学
Clinical and experimental rheumatology Pub Date : 2024-11-01 Epub Date: 2024-06-19 DOI: 10.55563/clinexprheumatol/ezzfbt
Tingting Chen, Jingguo Zhou, Wantai Dang
{"title":"Mechanism of neutrophil extracellular traps in the pathogenesis of gout.","authors":"Tingting Chen, Jingguo Zhou, Wantai Dang","doi":"10.55563/clinexprheumatol/ezzfbt","DOIUrl":"10.55563/clinexprheumatol/ezzfbt","url":null,"abstract":"<p><p>Gout is a self-limited inflammatory disease caused by the deposition of monosodium urate (MSU) crystals in joints and surrounding tissues due to abnormal purine metabolism. Neutrophil extracellular traps (NETs) are formed by neutrophils in response to pathogen attack. During gout, NETs induced by MSU crystals exacerbate inflammation, and aggregated NETs (aggNETs) promote the resolution of gout-associated inflammation by encapsulating MSU crystals, degrading cytokines and chemokines, and blocking the recruitment and activation of neutrophils. With disease progression, NETs participate in the formation of tophi. Therefore, aggNETs are a possible mechanism of spontaneous gout regression. Studying the specific mechanism by which NETs affect inflammatory bursts and spontaneous regression in gout patients is important. This review summarises the role of NETs in different stages of gout and the specific pathogenesis of NETs in gout to provide new ideas for the diagnosis and treatment of gout.</p>","PeriodicalId":10274,"journal":{"name":"Clinical and experimental rheumatology","volume":null,"pages":null},"PeriodicalIF":3.4,"publicationDate":"2024-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141442182","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
WNT16 as a promising biomarker for systemic lupus erythematosus and its role in regulating cell proliferation and apoptosis. WNT16作为系统性红斑狼疮的一种有希望的生物标志物及其在调节细胞增殖和凋亡中的作用。
IF 3.4 4区 医学
Clinical and experimental rheumatology Pub Date : 2024-11-01 Epub Date: 2024-06-19 DOI: 10.55563/clinexprheumatol/mh1d4j
Kefen Wang, Yiheng Jiang, Jianzhao Zhai, Pin Zhang, Yuxiang Wu, Haidi Chen, Huapin Zheng, Yang He, Cheng Deng, Yongkang Wu
{"title":"WNT16 as a promising biomarker for systemic lupus erythematosus and its role in regulating cell proliferation and apoptosis.","authors":"Kefen Wang, Yiheng Jiang, Jianzhao Zhai, Pin Zhang, Yuxiang Wu, Haidi Chen, Huapin Zheng, Yang He, Cheng Deng, Yongkang Wu","doi":"10.55563/clinexprheumatol/mh1d4j","DOIUrl":"10.55563/clinexprheumatol/mh1d4j","url":null,"abstract":"<p><strong>Objectives: </strong>To investigate the expression and function of WNT16, a member of the WNT family protein, in the context of systemic lupus erythematosus (SLE).</p><p><strong>Methods: </strong>WNT16 expression was assessed in peripheral blood mononuclear cells (PBMCs) from 35 SLE patients and 25 healthy individuals using quantitative polymerase chain reaction. Additionally, serum WNT16 protein levels were quantified via enzyme-linked immunosorbent assay in 162 SLE patients, 96 healthy controls (HC), and disease controls comprised 154 individuals with rheumatoid arthritis (RA) and Sjögren's syndrome (SS). We investigated the associations between WNT16 protein levels and clinical manifestations, laboratory indices, and disease activity in SLE patients. Receiver operating characteristic (ROC) curve analysis was employed to evaluate the diagnostic potential of serum WNT16 for SLE. Furthermore, we performed a knockdown assay on Jeko-1 cells and assessed cell proliferation and apoptosis using Cell Counting Kit-8 and flow cytometry.</p><p><strong>Results: </strong>WNT16 mRNA in SLE patients' PBMCs were significantly lower than those in HC. Furthermore, serum WNT16 in SLE patients were markedly reduced compared to HC, RA, and SS cohorts. ROC curve analysis indicated that plasma WNT16 levels could serve as a potential biomarker for SLE identification (AUC=0.809, SLE vs. HC; AUC=0.760, SLE vs. RA; AUC=0.710, SLE vs. SS). Notably, a weak positive correlation was observed between WNT16 protein and both alkaline phosphatase and lymphocyte percentages. Conversely, a weak negative correlation existed between WNT16 and low-density lipoprotein, neutrophil percentage, and the incidence of pleurisy and disease activity. Additionally, our study confirmed that WNT16 knockdown impairs cell proliferation and enhances apoptosis.</p><p><strong>Conclusions: </strong>Serum WNT16 levels effectively differentiate SLE patients from healthy controls and individuals with other autoimmune disorders. WNT16 serves as a potential biomarker with high sensitivity. The diminished expression of WNT16 in SLE may have a significant role in its pathogenesis through the regulation of cell proliferation and apoptosis.</p>","PeriodicalId":10274,"journal":{"name":"Clinical and experimental rheumatology","volume":null,"pages":null},"PeriodicalIF":3.4,"publicationDate":"2024-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141442187","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Ultrasound versus clinical remission in patients with early rheumatoid arthritis: concordance and relationship with therapy discontinuation. 早期类风湿性关节炎患者的超声与临床缓解:一致性以及与停止治疗的关系。
IF 3.4 4区 医学
Clinical and experimental rheumatology Pub Date : 2024-11-01 Epub Date: 2024-10-15 DOI: 10.55563/clinexprheumatol/mf8sub
Raffaele La Ferrara, Federico Giuseppe Lazzaro, Gabriella Alonzi, Silvia Fiore, Giusy Peluso, Anna Laura Fedele, Maria Antonietta D'Agostino, Augusta Ortolan
{"title":"Ultrasound versus clinical remission in patients with early rheumatoid arthritis: concordance and relationship with therapy discontinuation.","authors":"Raffaele La Ferrara, Federico Giuseppe Lazzaro, Gabriella Alonzi, Silvia Fiore, Giusy Peluso, Anna Laura Fedele, Maria Antonietta D'Agostino, Augusta Ortolan","doi":"10.55563/clinexprheumatol/mf8sub","DOIUrl":"10.55563/clinexprheumatol/mf8sub","url":null,"abstract":"<p><strong>Objectives: </strong>To evaluate prevalence of ultrasonographic remission (USR) and concordance with clinical remission in \"drug-free\" or \"on-treatment\" patients with early rheumatoid arthritis (RA).</p><p><strong>Methods: </strong>We carried out a cross-sectional study including consecutive early RA patients in SDAI remission ≥6 months in the period 06/2022 to 02/2023. CDAI, DAS28, DAS44 and Boolean remission were also evaluated. Patients underwent B-mode and Power Doppler (PD) assessments of 42 joints and 20 tendons. Synovitis, tenosynovitis and PD were graded semi-quantitatively (0-3) using standardised scores. Four definitions of USR were examined: USR1: absence of synovial hypertrophy (SH) and PD; USR2: SH≤1 and PD=0; USR3: SH≤1 and PD≤1; USR4: PD negative.</p><p><strong>Results: </strong>Eighty patients were enrolled, of whom 12 drug-free. Overall remission rates were 100.0%, 83.7%, 91.2%, 96.2% and 80.0% for SDAI, CDIA, DAS28, DAS44 and ACR/EULAR Boolean criteria, respectively. 100% of drug-free patients were in remission according to all indices. The rate of USR in drug-free versus on-treatment remission was 58.3%, 66.7%, 66.7%, 83.3% versus 70.6%, 85.3%, 88.2%, 91.2% for USR1, USR2, USR3 and USR4, respectively.</p><p><strong>Conclusions: </strong>While clinical remission seems more frequent in drug-free patients, USR is more often observed on-treatment.</p>","PeriodicalId":10274,"journal":{"name":"Clinical and experimental rheumatology","volume":null,"pages":null},"PeriodicalIF":3.4,"publicationDate":"2024-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142496186","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Dose reduction of rituximab in clinical practice: a retrospective cohort study of rheumatoid arthritis patients in low disease activity on rituximab. 在临床实践中减少利妥昔单抗的剂量:对使用利妥昔单抗的低疾病活动度类风湿性关节炎患者的回顾性队列研究。
IF 3.4 4区 医学
Clinical and experimental rheumatology Pub Date : 2024-11-01 Epub Date: 2024-07-24 DOI: 10.55563/clinexprheumatol/lrctjp
Maike H M Wientjes, Jordy van Huissteden, Noortje van Herwaarden, Lise M Verhoef, Alfons A den Broeder
{"title":"Dose reduction of rituximab in clinical practice: a retrospective cohort study of rheumatoid arthritis patients in low disease activity on rituximab.","authors":"Maike H M Wientjes, Jordy van Huissteden, Noortje van Herwaarden, Lise M Verhoef, Alfons A den Broeder","doi":"10.55563/clinexprheumatol/lrctjp","DOIUrl":"10.55563/clinexprheumatol/lrctjp","url":null,"abstract":"<p><strong>Objectives: </strong>To determine the effects of dose reduction of rituximab (RTX) on rheumatoid arthritis (RA) disease activity in clinical practice.</p><p><strong>Methods: </strong>Retrospective cohort study of RA patients using RTX, in stable low disease activity (i.e. Disease Activity Score 28-joint count CRP (DAS28-CRP) ≤3.5 for ≥6 consecutive months) and ≥2 DAS28-CRP measurements. We identified three treatment periods: 1) full dose RTX, 2) RTX dose reduction, and 3) stable RTX dose (and interval) after tapering. Linear mixed-model analysis was used to estimate mean DAS28-CRP during these periods. Rituximab use was assessed as the median percentage of the RTX Daily Defined Dose (%DDD) per period, with 1 x 1000 mg/6 months as reference.</p><p><strong>Results: </strong>387 patients were included in the cohort with a median of 8 DAS28-CRP measurements (Q1-Q3:4-13) available per patient and median follow-up time of 44 months (Q1-Q3: 23-76). 299 patients tapered RTX and entered period 2 at least once, of whom 226 also entered period 3. Mean DAS28-CRP were 2.37 (95% CI: 2.29, 2.44) for period 1, 2.33 (95% CI: 2.25, 2.40) for period 2, and 2.27 (95% CI: 2.18, 2.35) for period 3, the latter significantly lower compared to period 1 (p=0.025). %DDD for the three time periods were 96%, 57% and 49%, respectively.</p><p><strong>Conclusions: </strong>Dose reduction of RTX in clinical practice is effective for many RA patients and leads to relevant dose reduction. Together with other previously proven benefits of ultra-low dose RTX, wider implementation of ultra-low dose RTX in RA patients should be considered.</p>","PeriodicalId":10274,"journal":{"name":"Clinical and experimental rheumatology","volume":null,"pages":null},"PeriodicalIF":3.4,"publicationDate":"2024-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141757473","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Abatacept and tofacitinib in refractory sarcoidosis: drug survival, safety, and treatment response. 阿帕他赛和托法替尼治疗难治性肉样瘤病:药物存活率、安全性和治疗反应。
IF 3.4 4区 医学
Clinical and experimental rheumatology Pub Date : 2024-11-01 Epub Date: 2024-10-03 DOI: 10.55563/clinexprheumatol/mmzdlj
Henrik Christian Bidstrup Leffers, Bo Baslund, Jesper Lindhardsen, Sophine Boysen Krintel, Niels Graudal
{"title":"Abatacept and tofacitinib in refractory sarcoidosis: drug survival, safety, and treatment response.","authors":"Henrik Christian Bidstrup Leffers, Bo Baslund, Jesper Lindhardsen, Sophine Boysen Krintel, Niels Graudal","doi":"10.55563/clinexprheumatol/mmzdlj","DOIUrl":"10.55563/clinexprheumatol/mmzdlj","url":null,"abstract":"<p><strong>Objectives: </strong>To describe drug survival, safety and treatment response in sarcoidosis patients treated with abatacept or tofacitinib in routine care.</p><p><strong>Methods: </strong>We identified 41 sarcoidosis patients treated with abatacept and 12 patients treated with tofacitinib. Of the patients treated with tofacitinib 83% had previously been treated with abatacept. Drug survival and reasons for discontinuation of treatment was investigated. Treatment response was evaluated at least once within the first 6 months of treatment by at least one trained clinician and classified as responder or non-responder. No direct comparison of drugs was made.</p><p><strong>Results: </strong>Median (range) disease duration was 3.5 (1-27) and 3 (1-16) years for abatacept and tofacitinib. The patients had previously received a median of 1 DMARD and 1 biological DMARD in both groups. Nearly all patients had been treated with at least one TNFi (95%/92 %). After 6 months, 90% (95%CI 85-90%) of the 41 patients in the abatacept group and 89% (79-99%) of the 12 patients in the tofacitinib group-maintained treatment. At 12 months, it was 80% (73-87%) and 74% (58-90%). No serious adverse events were recorded. For abatacept and tofacitinib 71% and 67% of patients were characterised as responders. In both treatment groups, there was a significant reduction in prednisolone dosage and levels of soluble IL2-receptor at all time points.</p><p><strong>Conclusions: </strong>Sarcoidosis patients treated with abatacept and tofacitinib had long drug survival, achieved high response rates. Both drugs represent good and safe therapeutic options in sarcoidosis patient's refractory to previous TNFi therapy.</p>","PeriodicalId":10274,"journal":{"name":"Clinical and experimental rheumatology","volume":null,"pages":null},"PeriodicalIF":3.4,"publicationDate":"2024-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142364632","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Impact of anti-human IgG hinge peptide antibodies on identification of patients with early seronegative rheumatoid arthritis. 抗人类 IgG 铰链肽抗体对识别早期血清阴性类风湿性关节炎患者的影响。
IF 3.4 4区 医学
Clinical and experimental rheumatology Pub Date : 2024-11-01 Epub Date: 2024-07-05 DOI: 10.55563/clinexprheumatol/sp1d13
Toshiyuki Ota, Shun-Ichiro Ota
{"title":"Impact of anti-human IgG hinge peptide antibodies on identification of patients with early seronegative rheumatoid arthritis.","authors":"Toshiyuki Ota, Shun-Ichiro Ota","doi":"10.55563/clinexprheumatol/sp1d13","DOIUrl":"10.55563/clinexprheumatol/sp1d13","url":null,"abstract":"<p><strong>Objectives: </strong>The early diagnosis of seronegative rheumatoid arthritis (SNRA), characterised by the absence of rheumatoid factor and anti-citrullinated antibody, involves a greater challenge compared to seropositive RA (SPRA). This study aimed to assess the discriminatory potential of anti-human IgG hinge antibodies (AHAs) for patients with early SNRA.</p><p><strong>Methods: </strong>DMARDs-naive patients with SPRA (n=43), SNRA (n=21), and non-RA (n=49), with disease duration < 2 years, were included. Antigens comprised IgG1 or IgG4 F(ab')2 cleaved by pepsin or MMP-3 and their hinge peptide analogues. Eight IgG anti-hinge antibodies (AHAs) against these antigens were measured in sera from the patients and 58 healthy controls (HCs) using ELISA. Serum CRP and MMP-3 levels, and clinical disease activity index (CDAI), were obtained from medical records. The area under the curve (AUC) obtained from logistic regression and receiver operating characteristic curve analyses were used as a discriminant indicator.</p><p><strong>Results: </strong>The levels of the IgG AHAs were as follows: SPRA≥SNRA≈non-RA>HC. None of the AHAs were effective in discriminating SNRA from non-RA. However, the combination of MMP-3 and AHAs against IgG4 hinge peptide analogues demonstrated the utility (AUC=0.94). Furthermore, combination of MMP-3, AHAs against IgG1 hinge peptide analogues and CDAI maximally exerted discriminatory power (AUC=0.997).</p><p><strong>Conclusions: </strong>Specific AHAs in combination with MMP-3 and CDAI are potentially useful to discriminate SNRA from non-RA.</p>","PeriodicalId":10274,"journal":{"name":"Clinical and experimental rheumatology","volume":null,"pages":null},"PeriodicalIF":3.4,"publicationDate":"2024-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141554291","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Clinical phenotypes of sarcoidosis using cluster analysis: a Spanish population-based cohort study. 使用聚类分析的肉样瘤病临床表型:一项基于西班牙人群的队列研究。
IF 3.4 4区 医学
Clinical and experimental rheumatology Pub Date : 2024-11-01 Epub Date: 2024-09-09 DOI: 10.55563/clinexprheumatol/q2idtc
Raúl Fernández-Ramón, Jorge Javier Gaitán-Valdizán, José Luis Martín-Varillas, Rosalía Demetrio-Pablo, Iván Ferraz-Amaro, Santos Castañeda, Ricardo Blanco
{"title":"Clinical phenotypes of sarcoidosis using cluster analysis: a Spanish population-based cohort study.","authors":"Raúl Fernández-Ramón, Jorge Javier Gaitán-Valdizán, José Luis Martín-Varillas, Rosalía Demetrio-Pablo, Iván Ferraz-Amaro, Santos Castañeda, Ricardo Blanco","doi":"10.55563/clinexprheumatol/q2idtc","DOIUrl":"10.55563/clinexprheumatol/q2idtc","url":null,"abstract":"<p><strong>Objectives: </strong>Sarcoidosis is a clinically heterogenous disease. The objective of this study is the identification of clinical phenotypes using cluster analysis.</p><p><strong>Methods: </strong>A model-based clustering relaying on 19 clinical variables was performed in a retrospective cohort of 342 sarcoidosis patients, diagnosed and followed-up from 1999 to 2019 in a tertiary hospital at Northern Spain. Chi-square test and ANOVA were used to compare categorical and continuous variables among groups. Two-sample t-tests and the partition of Pearson's chi-square statistic were used in pairwise comparisons. The Wasfi severity score was calculated and compared among clusters.</p><p><strong>Results: </strong>Cluster analysis identified five groups: C1 (16.1%), C2 (14.3%), C3 (24.3%), C4 (5.0%), and C5 (40.4%). Lung involvement was predominant, ranging from 55.1% (C2) to 100% (C1 and C4). Extrapulmonary involvement was significantly higher in C2 (96.4%) and C3 (98.0%). A significant lower FEV1 percent predicted was detected in C5 (90.5±21.8) versus C1 (102.0±22.9), C3 (102.3±17.6) and C4 (105.8±20.8). The cluster 5 had a lower FVC percent predicted (96.6±18.9) than others, ranging from 108.1±18.0 (C3) to 111.5±21.7 (C4). The prescription of systemic glucocorticoids and non-corticosteroid immunosuppressants was higher in the clusters 1, 3 and 5. Chronicity rates were higher in C3 (31.3%) and C5 (32.6%) compared to C1 (9.1%) and C4 (0%), as well as the Wasfi severity score values.</p><p><strong>Conclusions: </strong>Five phenotypes with different clinical and prognostic characteristics are proposed in our study. Cluster analysis can be a useful tool for identifying clinical patterns in a disease as heterogeneous as sarcoidosis and optimising its management.</p>","PeriodicalId":10274,"journal":{"name":"Clinical and experimental rheumatology","volume":null,"pages":null},"PeriodicalIF":3.4,"publicationDate":"2024-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142281251","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Osteoarticular x-ray reading by medical students followed by eye-tracking: better understanding for better training. 医科学生通过眼动跟踪阅读骨关节 X 光片:更好地理解才能更好地训练。
IF 3.4 4区 医学
Clinical and experimental rheumatology Pub Date : 2024-11-01 Epub Date: 2024-06-19 DOI: 10.55563/clinexprheumatol/ma4k7d
Baptiste Quéré, Victor Laurier, Martin Laurier, Valérie Devauchelle-Pensec, Dewi Guellec, Alain Saraux
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