Journal of Rheumatology最新文献

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Fetal Atrial Flutter: A Potential Rare Phenotype of Maternal SSA/SSB Antibody-Associated Fetal Cardiac Disease. 胎儿心房扑动:母体 SSA/SSB 抗体相关胎儿心脏病的潜在罕见表型
IF 3.6 2区 医学
Journal of Rheumatology Pub Date : 2024-12-01 DOI: 10.3899/jrheum.2024-0543
Romeo Micu, Dan Boitor-Borza, Mihaela Cosmina Micu
{"title":"Fetal Atrial Flutter: A Potential Rare Phenotype of Maternal SSA/SSB Antibody-Associated Fetal Cardiac Disease.","authors":"Romeo Micu, Dan Boitor-Borza, Mihaela Cosmina Micu","doi":"10.3899/jrheum.2024-0543","DOIUrl":"10.3899/jrheum.2024-0543","url":null,"abstract":"","PeriodicalId":50064,"journal":{"name":"Journal of Rheumatology","volume":" ","pages":"1264-1265"},"PeriodicalIF":3.6,"publicationDate":"2024-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142367168","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"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
Reviewer Index 2024. 审稿人索引2024。
IF 3.6 2区 医学
Journal of Rheumatology Pub Date : 2024-12-01
{"title":"Reviewer Index 2024.","authors":"","doi":"","DOIUrl":"","url":null,"abstract":"","PeriodicalId":50064,"journal":{"name":"Journal of Rheumatology","volume":"51 12","pages":"1269"},"PeriodicalIF":3.6,"publicationDate":"2024-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142774201","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"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
The Dermatomyositis Disease Symptom Questionnaire (DM-DSQ): A Measure to Assess the Patient Experience of Dermatomyositis Symptoms. 皮肌炎疾病症状问卷(DM-DSQ):评估患者对皮肌炎症状体验的测量方法。
IF 3.6 2区 医学
Journal of Rheumatology Pub Date : 2024-12-01 DOI: 10.3899/jrheum.2023-1137
Lisa Christopher-Stine, Anna Ciesluk, Hector Chinoy, Namita A Goyal, Kaniah Gunter, David Isenberg, Adrian Kielhorn, Ingrid E Lundberg, Tahseen Mozaffar, Sanjay Rakhade, Gerrit Vandenberg, Rohit Aggarwal
{"title":"The Dermatomyositis Disease Symptom Questionnaire (DM-DSQ): A Measure to Assess the Patient Experience of Dermatomyositis Symptoms.","authors":"Lisa Christopher-Stine, Anna Ciesluk, Hector Chinoy, Namita A Goyal, Kaniah Gunter, David Isenberg, Adrian Kielhorn, Ingrid E Lundberg, Tahseen Mozaffar, Sanjay Rakhade, Gerrit Vandenberg, Rohit Aggarwal","doi":"10.3899/jrheum.2023-1137","DOIUrl":"10.3899/jrheum.2023-1137","url":null,"abstract":"<p><strong>Objective: </strong>Dermatomyositis (DM) symptoms negatively affect the quality of life of individuals living with the disease. Disease-specific, patient-reported outcome (PRO) instruments are needed to assess symptoms important to individuals with DM. This study aimed to conceptualize patient DM experience and disease activity definition to refine the development of the Dermatomyositis Disease Symptom Questionnaire (DM-DSQ), a novel PRO instrument capturing patient-reported symptoms.</p><p><strong>Methods: </strong>An observational, qualitative study was conducted with 30 individuals with DM (aged ≥ 18 yrs) in the US. A 1-hour semistructured interview, including concept elicitation and cognitive debriefing, was conducted with each participant. Inductive coding was used to identify concepts; a saturation analysis was conducted to confirm sample size. Concepts from transcripts were used to refine the preliminary conceptual model and DM-DSQ items.</p><p><strong>Results: </strong>Concept elicitation analysis findings included disease symptoms (eg, muscle weakness) and functional impacts (eg, walking). The analysis achieved conceptual saturation; the first 5 interviews uncovered most of the concepts. During cognitive debriefing of the DM-DSQ, participants found the items relevant, comprehensive, and easily understood (except for \"skin sensitivity in sunlight\"). The revised DM-DSQ content appears preliminarily valid in the patient population surveyed, pending further additions and debriefing based on refinement of the preliminary conceptual disease model and items.</p><p><strong>Conclusion: </strong>The DM-DSQ is being used in a phase II clinical trial and could become a valuable tool for studies evaluating PROs in patients with DM. Preliminary results indicate its content validity; extensive psychometric analysis using clinical trial data will determine its ability to capture symptoms for patients with DM.</p>","PeriodicalId":50064,"journal":{"name":"Journal of Rheumatology","volume":" ","pages":"1198-1207"},"PeriodicalIF":3.6,"publicationDate":"2024-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141876551","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"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
Association Between Proton Pump Inhibitors and the Risk of Intestinal Behçet Disease. 质子泵抑制剂与肠道白塞氏病风险之间的关系
IF 3.6 2区 医学
Journal of Rheumatology Pub Date : 2024-12-01 DOI: 10.3899/jrheum.2024-0442
Keita Murakami, Junya Arai, Sozaburo Ihara, Yoshihiro Hirata, Yumi Tsuchida, Hirofumi Shoda, Mayo Tsuboi, Ken Kurokawa, Nobumi Suzuki, Hiroto Kinoshita, Yoku Hayakawa, Keishi Fujio, Mitsuhiro Fujishiro
{"title":"Association Between Proton Pump Inhibitors and the Risk of Intestinal Behçet Disease.","authors":"Keita Murakami, Junya Arai, Sozaburo Ihara, Yoshihiro Hirata, Yumi Tsuchida, Hirofumi Shoda, Mayo Tsuboi, Ken Kurokawa, Nobumi Suzuki, Hiroto Kinoshita, Yoku Hayakawa, Keishi Fujio, Mitsuhiro Fujishiro","doi":"10.3899/jrheum.2024-0442","DOIUrl":"10.3899/jrheum.2024-0442","url":null,"abstract":"<p><strong>Objective: </strong>This study aimed to investigate the association between proton pump inhibitor (PPI) use and the incidence of intestinal Behçet disease (BD) in patients with BD.</p><p><strong>Methods: </strong>A retrospective cohort study was conducted at The University of Tokyo Hospital, including patients with BD diagnosed between April 2005 and November 2023. Cox models and Kaplan-Meier analyses were used to evaluate hazard ratios (HRs) and cumulative incidence of intestinal BD, respectively. Secondary analyses were performed to assess the duration and dose-response relationship of PPI use.</p><p><strong>Results: </strong>Among 194 patients with BD, 25.3% developed intestinal BD during a mean follow-up of 12 years. PPI users had a significantly higher incidence of intestinal BD compared to nonusers (adjusted HR 2.48, 95% CI 1.38-4.47, <i>P</i> = 0.002), with a confirmed duration/dose-dependent relationship. The cumulative incidence of intestinal BD was markedly elevated in PPI users (log-rank <i>P</i> < 0.001). The result was similar to that in the propensity score-matched cohort.</p><p><strong>Conclusion: </strong>This study demonstrates a significant association between PPI use and increased incidence of intestinal BD in patients with BD. Caution in prescribing PPIs for patients with BD is warranted due to the potential risk of severe complications associated with intestinal BD.</p>","PeriodicalId":50064,"journal":{"name":"Journal of Rheumatology","volume":" ","pages":"1193-1197"},"PeriodicalIF":3.6,"publicationDate":"2024-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141876539","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"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
Prevalence, Predictors, and Prognosis of Serious Infections in Takayasu Arteritis: A Cohort Study. 高安动脉炎严重感染的发生率、预测因素和预后--一项队列研究。
IF 3.6 2区 医学
Journal of Rheumatology Pub Date : 2024-12-01 DOI: 10.3899/jrheum.2023-1254
Durga Prasanna Misra, Upendra Rathore, Swapnil Jagtap, Prabhaker Mishra, Darpan R Thakare, Kritika Singh, Tooba Qamar, Deeksha Singh, Juhi Dixit, Manas Ranjan Behera, Neeraj Jain, Manish Ora, Dharmendra Singh Bhadauria, Sanjay Gambhir, Vikas Agarwal, Sudeep Kumar
{"title":"Prevalence, Predictors, and Prognosis of Serious Infections in Takayasu Arteritis: A Cohort Study.","authors":"Durga Prasanna Misra, Upendra Rathore, Swapnil Jagtap, Prabhaker Mishra, Darpan R Thakare, Kritika Singh, Tooba Qamar, Deeksha Singh, Juhi Dixit, Manas Ranjan Behera, Neeraj Jain, Manish Ora, Dharmendra Singh Bhadauria, Sanjay Gambhir, Vikas Agarwal, Sudeep Kumar","doi":"10.3899/jrheum.2023-1254","DOIUrl":"10.3899/jrheum.2023-1254","url":null,"abstract":"<p><strong>Objective: </strong>To describe the incidence, risk factors, and outcomes associated with serious infections in patients with Takayasu arteritis (TA).</p><p><strong>Methods: </strong>Serious infections, defined as infections resulting in hospitalization or death or unusual infections like tuberculosis, were identified from a cohort of patients with TA. Corticosteroid and disease-modifying antirheumatic drug (DMARD) use at the time of serious infection was noted. Demographic characteristics, clinical presentation, angiography, and disease activity at presentation, and the use of DMARDs during follow-up were compared between patients with TA with or without serious infections. Mortality in patients with TA who developed serious infections was compared to those who did not using hazard ratios (HR; with 95% CI).</p><p><strong>Results: </strong>Of 238 patients with TA, 38 (16%) had developed serious infections (50 episodes, multiple episodes in 8; 3 episodes resulted in death). Among the 38 initial episodes, 11/38 occurred in those not on corticosteroids and 14/38 in those not on DMARDs. Pneumonia (n = 19) was the most common infection, followed by tuberculosis (n = 12). Patients with TA who developed serious infections vs those who did not had higher disease activity at presentation (active disease 97.4% vs 69.5%, mean Indian Takayasu Arteritis Activity Score 2010 12.7 (SD 7.3) vs 10.2 (SD 7.0), mean Disease Extent Index in Takayasu Arteritis 11.2 (SD 6.1) vs 8.8 (SD 6.1) and were more frequently initiated on corticosteroids or DMARDs. HRs calculated using exponential parametric regression survival-time model revealed increased mortality rate in patients with TA who developed serious infections (HR 5.52, 95% CI 1.75-17.39).</p><p><strong>Conclusion: </strong>Serious infections, which occurred in the absence of immunosuppressive treatment in approximately one-fifth of patients with TA, were associated with increased mortality in patients with TA.</p>","PeriodicalId":50064,"journal":{"name":"Journal of Rheumatology","volume":" ","pages":"1187-1192"},"PeriodicalIF":3.6,"publicationDate":"2024-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140337398","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"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
Children With Type I Interferonopathy: Commonalities and Diversities in a Large Patient Cohort. 儿童 1 型干扰素病:大型患者队列中的共性与多样性》(Commonalities and Diversities in A Large Patient Cohort)。
IF 3.6 2区 医学
Journal of Rheumatology Pub Date : 2024-12-01 DOI: 10.3899/jrheum.2024-0294
Fatih Haslak, Huseyin Kilic, Sezgin Sahin, Busra Hotaman, Nur Memnune Cebi, Mehmet Yildiz, Amra Adrovic, Aybuke Gunalp, Elif Kilic Konte, Esma Aslan, Umit Gul, Nergis Akay, Yilmaz Zindar, Fitnat Ulug, Serhat Guler, Ayca Kiykim, Sezin Aydemir, Kenan Barut, Sema Saltik, Haluk C Cokugras, Ozgur Kasapcopur
{"title":"Children With Type I Interferonopathy: Commonalities and Diversities in a Large Patient Cohort.","authors":"Fatih Haslak, Huseyin Kilic, Sezgin Sahin, Busra Hotaman, Nur Memnune Cebi, Mehmet Yildiz, Amra Adrovic, Aybuke Gunalp, Elif Kilic Konte, Esma Aslan, Umit Gul, Nergis Akay, Yilmaz Zindar, Fitnat Ulug, Serhat Guler, Ayca Kiykim, Sezin Aydemir, Kenan Barut, Sema Saltik, Haluk C Cokugras, Ozgur Kasapcopur","doi":"10.3899/jrheum.2024-0294","DOIUrl":"10.3899/jrheum.2024-0294","url":null,"abstract":"<p><strong>Objective: </strong>This study aimed to provide a comprehensive overview of the clinical features, laboratory and screening results, treatment options, and outcomes of patients with type I interferonopathy. Our secondary goal was to identify the predictors of long-term morbidity or mortality.</p><p><strong>Methods: </strong>We included children with genetically confirmed type I interferonopathies, with a follow-up duration of > 1 year. Data were obtained retrospectively from medical records.</p><p><strong>Results: </strong>Of the 40 eligible patients for the study, 52.5% were female, with a median age of disease onset of 1.5 years (range 0.1-13.2 yrs). They were diagnosed at an average age of 6.8 (SD 4.6) years. Aicardi-Goutières syndrome was the most common diagnosis (n = 15, 37.5%). The central nervous system was the most frequently affected system (n = 27, 67.5%). Janus kinase inhibitors were administered to 17 (42.5%) patients. Twenty-five patients (62.5%) developed at least 1 permanent morbidity or died during follow-up; thus, they were included in the poor outcome group. Although younger age at disease onset, intracranial calcification (ICC), and lack of chilblains and elevated acute-phase reactants were significant in univariate logistic regression analysis, only ICC on magnetic resonance imaging at admission (adjusted odds ratio 19.69, 95% CI 1.08-359.05, <i>P</i> = 0.04) was found to be a significant predictor of poor outcomes in multivariate logistic regression analysis.</p><p><strong>Conclusion: </strong>For the first time, we evaluated the predictors of poor outcomes in patients with type I interferonopathy with a broad spectrum of subtypes. Further, our study's unique patient characteristics can provide valuable insights into these extremely rare conditions.</p>","PeriodicalId":50064,"journal":{"name":"Journal of Rheumatology","volume":" ","pages":"1208-1217"},"PeriodicalIF":3.6,"publicationDate":"2024-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141876542","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"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
Lincoln Sign in Synovitis, Acne, Pustulosis, Hyperostosis, and Osteomyelitis Syndrome. 滑膜炎、痤疮、脓疱病、骨质增生和骨髓炎综合征中的林肯征象。
IF 3.6 2区 医学
Journal of Rheumatology Pub Date : 2024-12-01 DOI: 10.3899/jrheum.2024-0441
Yusuke Yamamoto, Hirofumi Shoda, Tetsuji Sawada
{"title":"Lincoln Sign in Synovitis, Acne, Pustulosis, Hyperostosis, and Osteomyelitis Syndrome.","authors":"Yusuke Yamamoto, Hirofumi Shoda, Tetsuji Sawada","doi":"10.3899/jrheum.2024-0441","DOIUrl":"10.3899/jrheum.2024-0441","url":null,"abstract":"","PeriodicalId":50064,"journal":{"name":"Journal of Rheumatology","volume":" ","pages":"1259"},"PeriodicalIF":3.6,"publicationDate":"2024-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141876548","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"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
Evaluating and Refining Strategies for Rheumatoid Arthritis Prevention in First Nations Communities. 评估和完善原住民社区类风湿关节炎预防策略。
IF 3.6 2区 医学
Journal of Rheumatology Pub Date : 2024-12-01 DOI: 10.3899/jrheum.2024-0726
Sijia Liu, Ruwei Hu
{"title":"Evaluating and Refining Strategies for Rheumatoid Arthritis Prevention in First Nations Communities.","authors":"Sijia Liu, Ruwei Hu","doi":"10.3899/jrheum.2024-0726","DOIUrl":"10.3899/jrheum.2024-0726","url":null,"abstract":"","PeriodicalId":50064,"journal":{"name":"Journal of Rheumatology","volume":" ","pages":"1266-1267"},"PeriodicalIF":3.6,"publicationDate":"2024-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142299770","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"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
Candidate Biomarkers for Response to Treatment in Psoriatic Disease. 银屑病治疗反应的候选生物标志物
IF 3.6 2区 医学
Journal of Rheumatology Pub Date : 2024-12-01 DOI: 10.3899/jrheum.2024-0396
Rachel Offenheim, Omar F Cruz-Correa, Darshini Ganatra, Dafna D Gladman
{"title":"Candidate Biomarkers for Response to Treatment in Psoriatic Disease.","authors":"Rachel Offenheim, Omar F Cruz-Correa, Darshini Ganatra, Dafna D Gladman","doi":"10.3899/jrheum.2024-0396","DOIUrl":"10.3899/jrheum.2024-0396","url":null,"abstract":"<p><strong>Objective: </strong>To determine whether biologic therapy alters serum C-X-C motif chemokine ligand 10 (CXCL10), matrix metalloproteinase 3 (MMP3), S100 calcium-binding protein A8 (S100A8), acid phosphatase 5 (ACP5), and C-C motif chemokine ligand 2 (CCL2) levels in patients with psoriatic arthritis (PsA) and cutaneous psoriasis without arthritis (PsC), and whether baseline levels of these proteins predict response to treatment for PsA.</p><p><strong>Methods: </strong>We included (1) patients with PsA taking tumor necrosis factor inhibitors (TNFi), interleukin 17 inhibitors (IL-17i), methotrexate (MTX), and those who were untreated with bDMARDs or csDMARDs; (2) patients with PsC taking bDMARDs; and (3) matched patients with PsC who were not treated with bDMARDs or csDMARDs. Serum samples at baseline and at the 3- to 6-month follow-up visit were retrieved from the biobank. Protein levels were quantified using a Luminex multiplex assay. We compared follow-up vs baseline protein levels within groups and change in levels between groups. For the predictive potential of the biomarkers, we developed logistic regression classification models. Response to treatment was defined as (1) achieving low disease activity or remission (according to the Disease Activity Index for Psoriatic Arthritis); (2) ≥ 75% reduction in Psoriasis Area and Severity Index; and (3) ≥ 50% reduction in actively inflamed joint count.</p><p><strong>Results: </strong>In PsA, TNFi reduced serum levels of all 5 proteins, IL-17i increased ACP5 and CCL2, and MTX reduced MMP3. Changes in MMP3 and S100A8 levels were significantly different between untreated PsA and matched biologic-treated PsA (<i>P</i> < 0.05). There were no significant differences between treated or untreated patients with PsC. Baseline levels of CXCL10, MMP3, S100A8, and ACP5 had good predictive value (area under the curve > 0.80) for response to biologics in patients with PsA.</p><p><strong>Conclusion: </strong>Treatment with biologics and MTX affect serum CXCL10, MMP3, S100A8, ACP5, and CCL2 levels in patients with PsA. MMP3, S100A8, ACP5, and CXCL10 have potential use as serum biomarkers to predict response to treatment for PsA.</p>","PeriodicalId":50064,"journal":{"name":"Journal of Rheumatology","volume":" ","pages":"1176-1186"},"PeriodicalIF":3.6,"publicationDate":"2024-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142114260","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"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
Gut Microbiomics of Sustained Knee Pain in Patients With Knee Osteoarthritis. 膝骨关节炎患者持续膝关节疼痛的肠道微生物组学研究
IF 3.6 2区 医学
Journal of Rheumatology Pub Date : 2024-12-01 DOI: 10.3899/jrheum.2024-0361
Jingyi Huang, Ming Liu, Andrew Furey, Proton Rahman, Guangju Zhai
{"title":"Gut Microbiomics of Sustained Knee Pain in Patients With Knee Osteoarthritis.","authors":"Jingyi Huang, Ming Liu, Andrew Furey, Proton Rahman, Guangju Zhai","doi":"10.3899/jrheum.2024-0361","DOIUrl":"10.3899/jrheum.2024-0361","url":null,"abstract":"<p><strong>Objective: </strong>To examine whether gut microbes were associated with postsurgery-sustained knee pain in patients with knee osteoarthritis (OA) by a gut microbiomics approach.</p><p><strong>Methods: </strong>Patients receiving total knee replacement (TKR) because of primary knee OA were recruited. Sustained knee pain status at ≥ 1 year after TKR was defined by the Western Ontario and McMaster Universities Osteoarthritis Index (WOMAC). Fasting plasma and fecal samples were collected. Metabolomic profiling was performed on fasting plasma. 16S rRNA sequencing was performed on fecal samples to determine microbial composition.</p><p><strong>Results: </strong>Twenty patients with TKR because of primary knee OA were included in the study, with 10 experiencing sustained postsurgery pain and 10 without such pain. Age, sex, and BMI (kg/m<sup>2</sup>) were matched. Linear discriminant analysis of microbiome data identified 13 bacterial taxa that were highly abundant in the pain group and 5 that were highly abundant in the nonpain group (<i>P</i> < 0.05 for all). Plasma metabolomic profiling measured 622 metabolites. The correlation analysis indicated the 18 taxa were significantly correlated with 231 metabolites (<i>P</i> < 0.05 for all). Sparse partial least squares discriminant analysis showed that 30/231 metabolites explained 29% of total variance and can be used to clearly separate patients with sustained knee pain from patients in the nonpain group. Pathway enrichment analysis showed that these significant metabolites were enriched in the arachidonic acid metabolic pathway, bile acid biosynthesis, and linoleic acid metabolism.</p><p><strong>Conclusion: </strong>Gut microbes may play a significant role in sustained knee pain in patients with knee OA after TKR, potentially through their activation of inflammatory pathways, lipid metabolism, and central sensitization.</p>","PeriodicalId":50064,"journal":{"name":"Journal of Rheumatology","volume":" ","pages":"1218-1225"},"PeriodicalIF":3.6,"publicationDate":"2024-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142114263","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"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
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