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Naredo E, D'Agostino MA, Terslev L, Pineda C, Miguel MI, Blasi J, Bruyn GA, Kortekaas MC, Mandl P, Nestorova R, Szkudlarek M, Todorov P, Vlad V, Wong P, Bakewell C, Filippucci E, Zabotti A, Micu M, Vreju F, Mortada M, Mendonça JA, Guillen-Astete CA, Olivas-Vergara O, Iagnocco A, Hanova P, Tinazzi I, Balint PV, Aydin SZ, Kane D, Keen H, Kaeley GS, Möller I. Validation and incorporation of digital entheses into a preliminary GLobal OMERACT Ultrasound DActylitis Score (GLOUDAS) in psoriatic arthritis. Ann Rheum Dis 2024; 83:1060-1071. [PMID: 38531611 DOI: 10.1136/ard-2023-225278] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/13/2023] [Accepted: 03/08/2024] [Indexed: 03/28/2024]
Abstract
OBJECTIVES The main objective was to generate a GLobal OMERACT Ultrasound DActylitis Score (GLOUDAS) in psoriatic arthritis and to test its reliability. To this end, we assessed the validity, feasibility and applicability of ultrasound assessment of finger entheses to incorporate them into the scoring system. METHODS The study consisted of a stepwise process. First, in cadaveric specimens, we identified enthesis sites of the fingers by ultrasound and gross anatomy, and then verified presence of entheseal tissue in histological samples. We then selected the entheses to be incorporated into a dactylitis scoring system through a Delphi consensus process among international experts. Next, we established and defined the ultrasound components of dactylitis and their scoring systems using Delphi methodology. Finally, we tested the interobserver and intraobserver reliability of the consensus- based scoring systemin patients with psoriatic dactylitis. RESULTS 32 entheses were identified in cadaveric fingers. The presence of entheseal tissues was confirmed in all cadaveric samples. Of these, following the consensus process, 12 entheses were selected for inclusion in GLOUDAS. Ultrasound components of GLOUDAS agreed on through the Delphi process were synovitis, tenosynovitis, enthesitis, subcutaneous tissue inflammation and periextensor tendon inflammation. The scoring system for each component was also agreed on. Interobserver reliability was fair to good (κ 0.39-0.71) and intraobserver reliability good to excellent (κ 0.80-0.88) for dactylitis components. Interobserver and intraobserver agreement for the total B-mode and Doppler mode scores (sum of the scores of the individual abnormalities) were excellent (interobserver intraclass correlation coefficient (ICC) 0.98 for B-mode and 0.99 for Doppler mode; intraobserver ICC 0.98 for both modes). CONCLUSIONS We have produced a consensus-driven ultrasound dactylitis scoring system that has shown acceptable interobserver reliability and excellent intraobserver reliability. Through anatomical knowledge, small entheses of the fingers were identified and histologically validated.
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Del Carmen Camacho-Rea M, Martínez-Gómez LE, Martinez-Armenta C, Martínez-Nava GA, Ortega-Peña S, Olea-Torres J, Herrera-López B, Suarez-Ahedo C, Vázquez-Cárdenas P, Vidal-Vázquez RP, Ramírez-Hinojosa JP, Vargas-Alarcón G, Posadas-Sánchez R, Fragoso JM, De Jesús Martínez-Ruiz F, Zayago-Angeles DM, Mata-Miranda MM, Vazquez-Zapien GJ, Martínez-Cuazitl A, Garcia-Galicia A, Granados J, Ramos L, Rodríguez-Pérez JM, Pineda C, López-Reyes A. Association of TLR8 Variants in Sex-Based Clinical Differences in Patients with COVID-19. Biochem Genet 2024:10.1007/s10528-024-10839-w. [PMID: 38814383 DOI: 10.1007/s10528-024-10839-w] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/04/2023] [Accepted: 05/13/2024] [Indexed: 05/31/2024]
Abstract
The host immune response might confer differential vulnerability to SARS-CoV-2 infection. The Toll-like receptor 8 (TLR8), could participated for severe COVID-19 outcomes. To investigated the relationship of TLR8 rs3764879-C/G, rs3764880-A/G, and rs3761624-A/G with COVID-19 outcomes and with biochemical parameters. A cross-sectional study of 830 laboratory-confirmed COVID-19 patients was performed, and classified into mild, severe, critical, and deceased outcomes. The TLR8 rs3764879-C/G, rs3764880-A/G, and rs3761624-A/G polymorphisms were genotyped. A logistic regression analysis was performed to determinate the association with COVID-19. A stratified analysis was by alleles was done with clinical and metabolic markets. In all outcomes, men presented the highest ferritin levels compared to women (P < 0.001). LDH levels were significantly different between sex in mild (P = 0.003), severe (P < 0.001) and deceased (P = 0.01) COVID-19 outcomes. The GGG haplotype showed an Odds Ratio of 1.55 (Interval Confidence 95% 1.05-2.32; P = 0.03) in men. Among patients with severe outcome, we observed that the carriers of the GGG haplotype had lower Ferritin, C-reactive protein and LDH levels than the CAA carriers (P < 0.01). After further stratified by sex, these associations were also seen in the male patients, except for D-dimer. Interestingly, among men patients, we could observe associations between TLR8 haplotypes and Ferritin (P < 0.001), D-dimer (P = 0.04), C-reactive protein, and Lactate dehydrogenase in mild (P = 0.04) group. Our results suggest that even though TLR8 haplotypes show a significant association with COVID-19 outcomes, they are associated with clinical markers in COVID-19 severity.
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Basile T, Pineda C. Quantum simulation of Pauli channels and dynamical maps: Algorithm and implementation. PLoS One 2024; 19:e0297210. [PMID: 38598439 PMCID: PMC11006176 DOI: 10.1371/journal.pone.0297210] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/31/2023] [Accepted: 12/29/2023] [Indexed: 04/12/2024] Open
Abstract
Pauli channels are fundamental in the context of quantum computing as they model the simplest kind of noise in quantum devices. We propose a quantum algorithm for simulating Pauli channels and extend it to encompass Pauli dynamical maps (parametrized Pauli channels). A parametrized quantum circuit is employed to accommodate for dynamical maps. We also establish the mathematical conditions for an N-qubit transformation to be achievable using a parametrized circuit where only one single-qubit operation depends on the parameter. The implementation of the proposed circuit is demonstrated using IBM's quantum computers for the case of one qubit, and the fidelity of this implementation is reported.
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Pineda C, Sandoval H, Pérez-Neri I, Soto-Fajardo C, Carranza-Enríquez F. Calcium pyrophosphate deposition disease: historical overview and potential gaps. Front Med (Lausanne) 2024; 11:1380135. [PMID: 38638938 PMCID: PMC11024366 DOI: 10.3389/fmed.2024.1380135] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/01/2024] [Accepted: 03/04/2024] [Indexed: 04/20/2024] Open
Abstract
CPPD disease can affect patients’ quality of life through its various clinical presentations. This mini-review discusses the evolution of CPPD from its discovery to current knowledge of its pathogenesis, genetic associations, diagnostics, and treatment options. Despite extensive research, the exact mechanisms of CPPD are not well understood, and there is a notable lack of knowledge about psychosocial impacts and patient experiences. This study aims to present a CPPD Disease Timeline identifying gaps in current knowledge and potential directions for future research. These findings contribute to a broader understanding of CPPD disease and emphasize the importance of continued research and innovation in this field.
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Delle Sedie A, Terslev L, Bruyn GAW, Cazenave T, Chrysidis S, Diaz M, Di Carlo M, Frigato M, Gargani L, Gutierrez M, Hocevar A, Iagnocco A, Juche A, Keen H, Mandl P, Naredo E, Mortada M, Pineda C, Karalilova R, Porta F, Ravagnani V, Scirè C, Serban T, Smith K, Stoenoiu MS, Tardella M, Torralba K, Wakefield R, D'Agostino MA. Standardization of interstitial lung disease assessment by ultrasound: results from a Delphi process and web-reliability exercise by the OMERACT ultrasound working group. Semin Arthritis Rheum 2024; 65:152406. [PMID: 38401294 DOI: 10.1016/j.semarthrit.2024.152406] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/10/2023] [Revised: 01/25/2024] [Accepted: 01/29/2024] [Indexed: 02/26/2024]
Abstract
OBJECTIVES Over the last years ultrasound has shown to be an important tool for evaluating lung involvement, including interstitial lung disease (ILD) a potentially severe systemic involvement in many rheumatic and musculoskeletal diseases (RMD). Despite the potential sensitivity of the technique the actual use is hampered by the lack of consensual definitions of elementary lesions to be assessed and of the scanning protocol to apply. Within the Outcome Measures in Rheumatology (OMERACT) Ultrasound Working Group we aimed at developing consensus-based definitions for ultrasound detected ILD findings in RMDs and assessing their reliability in dynamic images. METHODS Based on the results from a systematic literature review, several findings were identified for defining the presence of ILD by ultrasound (i.e., Am-lines, B-lines, pleural cysts and pleural line irregularity). Therefore, a Delphi survey was conducted among 23 experts in sonography to agree on which findings should be included and on their definitions. Subsequently, a web-reliability exercise was performed to test the reliability of the agreed definitions on video-clips, by using kappa statistics. RESULTS After three rounds of Delphi an agreement >75 % was obtained to include and define B-lines and pleural line irregularity as elementary lesions to assess. The reliability in the web-based exercise, consisting of 80 video-clips (30 for pleural line irregularity, 50 for B-lines), showed moderate inter-reader reliability for both B-lines (kappa = 0.51) and pleural line irregularity (kappa = 0.58), while intra-reader reliability was good for both B-lines (kappa = 0.72) and pleural line irregularity (kappa = 0.75). CONCLUSION Consensus-based ultrasound definitions for B-lines and pleural line irregularity were obtained, with moderate to good reliability to detect these lesions using video-clips. The next step will be testing the reliability in patients with ILD linked to RMDs and to propose a consensual and standardized protocol to scan such patients.
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Martínez-Gómez LE, Martinez-Armenta C, Tusie-Luna T, Vázquez-Cárdenas P, Vidal-Vázquez RP, Ramírez-Hinojosa JP, Gómez-Martín D, Vargas-Alarcón G, Posadas-Sánchez R, Fragoso JM, de la Peña A, Rodríguez-Pérez JM, Mata-Miranda MM, Vázquez-Zapién GJ, Martínez-Cuazitl A, Martínez-Ruiz FDJ, Zayago-Angeles DM, Ramos-Tavera L, Méndez-Aguilera A, Camacho-Rea MDC, Ordoñez-Sánchez ML, Segura-Kato Y, Suarez-Ahedo C, Olea-Torres J, Herrera-López B, Pineda C, Martínez-Nava GA, López-Reyes A. The fatal contribution of serine protease-related genetic variants to COVID-19 outcomes. Front Immunol 2024; 15:1335963. [PMID: 38601158 PMCID: PMC11004237 DOI: 10.3389/fimmu.2024.1335963] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/13/2023] [Accepted: 03/14/2024] [Indexed: 04/12/2024] Open
Abstract
Introduction Serine proteases play a critical role during SARS-CoV-2 infection. Therefore, polymorphisms of transmembrane protease serine 2 (TMPRSS2) and serpine family E member 1 (SERPINE1) could help to elucidate the contribution of variability to COVID-19 outcomes. Methods To evaluate the genetic variants of the genes previously associated with COVID-19 outcomes, we performed a cross-sectional study in which 1536 SARS-CoV-2-positive participants were enrolled. TMPRSS2 (rs2070788, rs75603675, rs12329760) and SERPINE1 (rs2227631, rs2227667, rs2070682, rs2227692) were genotyped using the Open Array Platform. The association of polymorphisms with disease outcomes was determined by logistic regression analysis adjusted for covariates (age, sex, hypertension, type 2 diabetes, and obesity). Results According to our codominant model, the GA genotype of rs2227667 (OR=0.55; 95% CI = 0.36-0.84; p=0.006) and the AG genotype of rs2227667 (OR=0.59; 95% CI = 0.38-0.91; p=0.02) of SERPINE1 played a protective role against disease. However, the rs2227692 T allele and TT genotype SERPINE1 (OR=1.45; 95% CI = 1.11-1.91; p=0.006; OR=2.08; 95% CI = 1.22-3.57; p=0.007; respectively) were associated with a decreased risk of death. Similarly, the rs75603675 AA genotype TMPRSS2 had an OR of 1.97 (95% CI = 1.07-3.6; p=0.03) for deceased patients. Finally, the rs2227692 T allele SERPINE1 was associated with increased D-dimer levels (OR=1.24; 95% CI = 1.03-1.48; p=0.02). Discussion Our data suggest that the rs75603675 TMPRSS2 and rs2227692 SERPINE1 polymorphisms are associated with a poor outcome. Additionally, rs2227692 SERPINE1 could participate in hypercoagulable conditions in critical COVID-19 patients, and this genetic variant could contribute to the identification of new pharmacological targets and treatment strategies to block the inhibition of TMPRSS2 entry into SARS-CoV-2.
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Inanc N, Jousse-Joulin S, Abacar K, Cimşit Ç, Cimşit C, D'Agostino MA, Naredo E, Hocevar A, Finzel S, Pineda C, Keen H, Iagnocco A, Hanova P, Schmidt WA, Mumcu G, Terslev L, Bruyn GA. The Novel OMERACT Ultrasound Scoring System for Salivary Gland Changes in Patients With Sjögren Syndrome Is Associated With MRI and Salivary Flow Rates. J Rheumatol 2024; 51:263-269. [PMID: 37914219 DOI: 10.3899/jrheum.2023-0202] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 10/23/2023] [Indexed: 11/03/2023]
Abstract
OBJECTIVE To assess the construct validity of the novel Outcome Measures in Rheumatology (OMERACT) ultrasound (US) semiquantitative scoring system for morphological lesions in major salivary glands by comparing it with magnetic resonance imaging (MRI) and unstimulated whole salivary flow rates (U-WSFRs) in patients with primary Sjögren syndrome (pSS). METHODS Nine sonographers applied the OMERACT 0-3 grayscale scoring system for parotid (PGs) and submandibular glands (SMGs) in 11 patients with pSS who also had MRIs performed. These were evaluated by 2 radiologists using a semiquantitative 0-3 scoring system for morphological lesions. The agreement between US and MRI and the association between U-WSFRs and imaging structural lesions was determined. A score ≥ 2 for both US and MRI was defined as gland pathology. RESULTS The prevalence of US morphological lesions in 11 patients with a score ≥ 2 was 58% for PGs and 76% for SMGs, and 46% and 41% for PGs and SMGs, respectively, for MRI. The agreement between OMERACT US scores and MRI scores was 73-91% (median 82%) in the right PG and 73-91% (median 91%) in the left PG, 55-91% (median 55%) in the right SMG and 55-82% (median 55%) in the left SMG. When relations between the presence of hyposalivation and an US score ≥ 2 were examined, agreement was 91-100% (median 83%) in both PGs and 55-91% (median 67%) in both SMGs. CONCLUSION There is moderate to strong agreement between the OMERACT US and MRI scores for major salivary glands in patients with pSS. Similar agreement ratios were observed between the higher OMERACT US scores and presence of hyposalivation.
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Enríquez-Luna A, Soto-Fajardo C, Carranza-Enríquez F, Clavijo-Cornejo D, Lopez-Reyes A, Pineda C. Miliarial-type gout in association with chronic use of glucocorticoids. Rheumatol Int 2024; 44:543-547. [PMID: 37851076 DOI: 10.1007/s00296-023-05486-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/10/2023] [Accepted: 09/27/2023] [Indexed: 10/19/2023]
Abstract
A 59-year-old male patient with long-standing tophaceous gout (more than 30 years) characterized by polyarticular involvement and recurrent disseminated tophi formation; his past medical history is relevant for poor adherence to urate-lowering medications, as well as persistent use of self-prescribed systemic glucocorticoids. Despite achieving therapeutic goals for serum uric acid levels, new tophi formation with an intradermal location in the form of "miliarial-type gout" was documented. Due to functional limitations, the patient underwent surgical resection of the olecranon bursa. This case illustrates a widespread and recurrent tophi formation associated with long-standing gout and regular and sustained glucocorticoid use, despite an adequate disease control based on serum urate levels and involving an intradermal location of tophi presenting as "miliarial-type" lesions. In addition, the coexistence of urate and cholesterol crystal deposition disease in olecranon gouty bursitis is presented. Finally, a sonographic extended field of view of lesions distributed along the patient's extremities is presented as a novel characterization of this condition.
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Espinosa-Bautista F, Salazar-Sánchez MI, Brianza-Padilla M, León-Ávila G, Hernández-Díazcouder A, Domínguez-López ML, Amezcua-Guerra LM, Pineda C. Dysregulation of long non-coding RNAs in Takayasu arteritis: A proof-of-concept study. Clin Rheumatol 2024; 43:1253-1259. [PMID: 38285374 DOI: 10.1007/s10067-024-06880-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/04/2023] [Revised: 12/22/2023] [Accepted: 01/18/2024] [Indexed: 01/30/2024]
Abstract
Takayasu arteritis (TAK) is a rare systemic vasculitis primarily affecting the aorta and its major branches. Early diagnosis is critical to prevent severe vascular complications, yet current biomarkers are insufficient. This proof-of-concept study explores the potential of long non-coding RNAs (lncRNAs) in TAK, an area largely unexplored. In this cross-sectional study, 53 TAK patients, 53 healthy controls, and 10 rheumatoid arthritis (RA) patients were enrolled. Clinical evaluations, disease activity assessments, and lncRNA expression levels were analyzed. TAK patients exhibited significant dysregulation in several lncRNAs, including THRIL (19.4, 11.1-48.8 vs. 62.5, 48.6-91.4 arbitrary units [a.u.]; p < 0.0001), HIF1A-AS1 (4.5, 1.8-16.6 vs. 26.5, 19.8-33.7 a.u.; p < 0.0001), MALAT-1 (26.9, 13.8-52.5 vs. 92.1, 58.5-92.1 a.u.; p < 0.0001), and HOTAIR (8.0, 2.5-24.5 vs. 36.0, 30.0-43.8 a.u.; p < 0.0001), compared to healthy controls. Notably, HOTAIR (area under the ROC curve [AUC] = 0.825), HIF1A-AS1 (AUC = 0.820), and THRIL (AUC = 0.781) demonstrated high diagnostic potential with superior specificity (approximately 95%). While lncRNAs showed diagnostic promise, no significant correlations with TAK activity were observed. Comparative analysis with RA patients revealed distinct lncRNA expression patterns. This study unveils significant dysregulation of lncRNAs THRIL, HIF1A-AS1, and HOTAIR in TAK patients, underscoring their potential as biomarkers and opening avenues for further research into the mechanistic roles of these lncRNAs in TAK pathogenesis.
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Suarez-Ahedo C, Camacho-Galindo J, López-Reyes A, Martinez-Gómez LE, Pineda C, Domb BG. A comprehensive review of hip arthroscopy techniques and outcomes. SAGE Open Med 2024; 12:20503121231222212. [PMID: 38249944 PMCID: PMC10798066 DOI: 10.1177/20503121231222212] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/14/2023] [Accepted: 12/04/2023] [Indexed: 01/23/2024] Open
Abstract
Transforming the orthopedic landscape, hip arthroscopy pioneers a minimally invasive surgical approach for diagnosing and addressing hip pathologies. With its origins dating back to Burman's 1931 cadaveric study, this groundbreaking technique gained clinical relevance in 1939 through Takagi's report. However, the 1980s marked the actual emergence of hip arthroscopy for treating a wide range of hip disorders. Now, a staple in modern orthopedics, hip arthroscopy empowers patients with previously undiagnosed and untreated hip conditions, enabling them to obtain relief and reclaim their lives. By employing a compact camera and specialized tools, surgeons expertly navigate the hip joint, performing procedures from excising loose bodies and mending labral tears to addressing femoroacetabular impingement and tackling other intricate issues. This innovative approach has dramatically elevated patients' quality of life, allowing them to embrace targeted treatments and resume daily activities without resorting to lifestyle alterations.
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Suarez-Ahedo C, Lopez-Reyes A, Martinez-Armenta C, Martinez-Gomez LE, Martinez-Nava GA, Pineda C, Vanegas-Contla DR, Domb B. Revolutionizing orthopedics: a comprehensive review of robot-assisted surgery, clinical outcomes, and the future of patient care. J Robot Surg 2023; 17:2575-2581. [PMID: 37639163 DOI: 10.1007/s11701-023-01697-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/09/2023] [Accepted: 08/14/2023] [Indexed: 08/29/2023]
Abstract
Robotic-assisted orthopedic surgery (RAOS) is revolutionizing the field, offering the potential for increased accuracy and precision and improved patient outcomes. This comprehensive review explores the historical perspective, current robotic systems, advantages and limitations, clinical outcomes, patient satisfaction, future developments, and innovation in RAOS. Based on systematic reviews, meta-analyses, and recent studies, this article highlights the most significant findings and compares RAOS to conventional techniques. As robotic-assisted surgery continues to evolve, clinicians and researchers must stay informed and adapt their practices to provide optimal patient care. Evidence from published studies corroborates these claims, highlighting superior component positioning, decreased incidence of complications, and heightened patient satisfaction. However, challenges such as costs, learning curves, and technical issues must be resolved to fully capitalize on these advantages.
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Amezcua-Guerra LM, Carbonell-Bobadilla N, Soto-Fajardo C, Vargas A, Batres-Marroquín AB, Vargas T, Medina-García AC, Hernández-Diazcouder A, Jiménez-Rojas V, Pineda C, Silveira LH. Influence of anti-carbamylated protein antibodies on disease activity and joint erosions in seronegative and seropositive rheumatoid arthritis. Rheumatol Int 2023; 43:2245-2250. [PMID: 37697044 DOI: 10.1007/s00296-023-05445-9] [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: 06/06/2023] [Accepted: 08/22/2023] [Indexed: 09/13/2023]
Abstract
Anti-carbamylated protein (anti-CarP) antibodies are promising biomarkers in rheumatoid arthritis (RA), although their significance in seronegative disease (SNRA) remains uncertain. To assess the influence of anti-CarP antibodies on disease activity and erosive joint damage in SNRA patients. In RA patients, rheumatoid factor (RF), anti-citrullinated protein antibodies, and anti-CarP antibodies were measured. Disease activity was assessed using DAS28-CRP and SDAI indices, while musculoskeletal ultrasound identified bone erosions. A total of 77 patients were enrolled, comprising 49 with seropositive RA (SPRA) and 28 with SNRA. Notably, 28% of SPRA and 10% of SNRA patients were positive to anti-CarP antibodies. Anti-CarP-positive patients exhibited elevated C-reactive protein (median 10.6, interquartile range 4.6-20.0 vs. 3.4, 1.7-9.9 mg/L; p = 0.005), erythrocyte sedimentation rate (34, 19-46 vs. 16, 7-25 mm/h; p = 0.002), DAS28-CRP (3.2, 2.6-4.2 vs. 2.6, 1.9-3.5; p = 0.048), and SDAI (19.9, 6.3-32.1 vs. 10.9, 5.5-18.1; p = 0.034) indices. Multivariate analysis revealed RF positivity as the sole predictor for anti-CarP antibodies (odds ratio [OR] = 5.9). Musculoskeletal ultrasound revealed bone erosions in 36% of RA patients; 35% among anti-CarP-negative patients and 40% among anti-CarP-positive patients. Notably, RF presence (OR = 44.3) and DAS28-CRP index (OR = 2.4) emerged as predictors of musculoskeletal ultrasound-confirmed erosive joint disease. Anti-CarP antibodies are detected at similar frequencies among both SPRA and SNRA patients. While associated with increased disease activity, these antibodies did not correlate with increased erosive joint damage.
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Pineda C, Sandoval H. Tracing our roots: on the relevance of rheumatology history. Clin Rheumatol 2023; 42:2929-2930. [PMID: 37672193 DOI: 10.1007/s10067-023-06640-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/03/2023] [Revised: 05/11/2023] [Accepted: 05/15/2023] [Indexed: 09/07/2023]
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Martínez-Gómez LE, Martinez-Armenta C, Medina-Luna D, Ordoñez-Sánchez ML, Tusie-Luna T, Ortega-Peña S, Herrera-López B, Suarez-Ahedo C, Jimenez-Gutierrez GE, Hidalgo-Bravo A, Vázquez-Cárdenas P, Vidal-Vázquez RP, Ramírez-Hinojosa JP, Martinez Matsumoto PM, Vargas-Alarcón G, Posadas-Sánchez R, Fragoso JM, Martínez-Ruiz FDJ, Zayago-Angeles DM, Mata-Miranda MM, Vázquez-Zapién GJ, Martínez-Cuazitl A, Andrade-Alvarado J, Granados J, Ramos-Tavera L, Camacho-Rea MDC, Segura-Kato Y, Rodríguez-Pérez JM, Coronado-Zarco R, Franco-Cendejas R, López-Jácome LE, Magaña JJ, Vela-Amieva M, Pineda C, Martínez-Nava GA, López-Reyes A. Implication of myddosome complex genetic variants in outcome severity of COVID-19 patients. JOURNAL OF MICROBIOLOGY, IMMUNOLOGY, AND INFECTION = WEI MIAN YU GAN RAN ZA ZHI 2023; 56:939-950. [PMID: 37365052 PMCID: PMC10273757 DOI: 10.1016/j.jmii.2023.06.002] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/06/2022] [Revised: 03/31/2023] [Accepted: 06/10/2023] [Indexed: 06/28/2023]
Abstract
BACKGROUND/PURPOSE(S) During a viral infection, the immune response is mediated by the toll-like receptors and myeloid differentiation Factor 88 (MyD88) that play an important role sensing infections such as SARS-CoV-2 which has claimed the lives of more than 6.8 million people around the world. METHODS We carried out a cross-sectional with a population of 618 SARS-CoV-2-positive unvaccinated subjects and further classified based on severity: 22% were mild, 34% were severe, 26% were critical, and 18% were deceased. Toll Like Receptor 7 (TLR7) single-nucleotide polymorphisms (rs3853839, rs179008, rs179009, and rs2302267) and MyD88 (rs7744) were genotyped using TaqMan OpenArray. The association of polymorphisms with disease outcomes was performed by logistic regression analysis adjusted by covariates. RESULTS A significant association of rs3853839 and rs7744 of the TLR7 and MyD88 genes, respectively, was found with COVID-19 severity. The G/G genotype of the rs3853839 TLR7 was associated with the critical outcome showing an Odd Ratio = 1.98 (95% IC = 1.04-3.77). The results highlighted an association of the G allele of MyD88 gene with severe, critical and deceased outcomes. Furthermore, in the dominant model (AG + GG vs. AA), we observed an Odd Ratio = 1.70 (95% CI = 1.02-2.86) with severe, Odd Ratio = 1.82 (95% CI = 1.04-3.21) with critical, and Odd Ratio = 2.44 (95% CI = 1.21-4.9) with deceased outcomes. CONCLUSION To our knowledge this work represents an innovative report that highlights the significant association of TLR7 and MyD88 gene polymorphisms with COVID-19 outcomes and the possible implication of the MyD88 variant with D-dimer and IFN-α concentrations.
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Sirotti S, Terslev L, Filippucci E, Iagnocco A, Moller I, Naredo E, Vreju FA, Adinolfi A, Becce F, Hammer HB, Cazenave T, Cipolletta E, Christiansen SN, Delle Sedie A, Diaz M, Figus F, Mandl P, MacCarter D, Mortada MA, Mouterde G, Porta F, Reginato AM, Schmidt WA, Serban T, Wakefield RJ, Zufferey P, Sarzi-Puttini P, Zanetti A, Damiani A, Pineda C, Keen HI, D'Agostino MA, Filippou G. Development and validation of an OMERACT ultrasound scoring system for the extent of calcium pyrophosphate crystal deposition at the joint level and patient level. THE LANCET. RHEUMATOLOGY 2023; 5:e474-e482. [PMID: 38251579 DOI: 10.1016/s2665-9913(23)00136-4] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/13/2023] [Revised: 05/08/2023] [Accepted: 05/15/2023] [Indexed: 01/23/2024]
Abstract
BACKGROUND The Calcium Pyrophosphate Deposition (CPPD) subgroup of the Outcome Measures in Rheumatology (OMERACT) Ultrasound working group was established to validate ultrasound as an outcome measure instrument for CPPD, and in 2017 has developed and validated standardised definitions for elementary lesions for the detection of calcium pyrophosphate crystals in joints. The aim of this study was to develop and evaluate the reliability of a consensus-based ultrasound scoring system for CPPD extent, representing the next phase in the OMERACT methodology. METHODS In this study the novel scoring system for CPPD was developed through a stepwise process, following an established OMERACT ultrasound methodology. Following a previous systematic review to gather available evidence on existing scoring systems for CPPD, the novel scoring system was developed through a Delphi survey based on the expert opinion of the members of the OMERACT Ultrasound working group-CPPD subgroup. The reliability of the scoring system was then tested on a web-based and patient-based exercise. Intra-reader and inter-reader reliability of the new scoring system was assessed using weighted Light's κ coefficients. FINDINGS The four-grade semiquantitative scoring system consisted of: grade 0 (no findings consistent with CPPD), grade 1 (≤3 single spots or 1 small deposit), grade 2 (>3 single spots or >1 small deposit or ≥1 larger deposit occupying ≤50% of the structure under examination in the reference image-ie, the scanning view with the highest grade of depositions), and grade 3 (deposits that occupy more than 50% of the structure under examination in the reference image). The score should be applied to the knee (menisci and hyaline cartilage) and the triangular fibrocartilage complex of the wrist. The intra-reader and inter-reader reliabilities on static images were almost perfect (κ 0·90 [95% CI 0·79-1·00] and κ 0·84 [0·79-0·88]), and on the eight patients recruited (four [50%] female and four [50%] male) were substantial (κ 0·72 [95% CI 0·47 to 0·96] and 0·66 [0·61 to 0·71]). INTERPRETATION This OMERACT ultrasound scoring system for CPPD was reliable on both static images and patients. The scoring system might be a valuable tool for ensuring valid and comparable results in clinical trials and could help monitor the extent of crystal deposition in patients with CPPD in clinical practice. FUNDING The Italian Ministry of Health - Ricerca Corrente.
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Amezcua-Guerra LM, Espinosa-Bautista F, Hopf-Estandía K, Valdivieso-Ruiz M, Coronel D, Robledo S, Ramos-Rosillo V, Del Rocío Martínez-Alvarado M, Patlán M, Páez A, Silveira LH, Tavera-Alonso C, Massó F, Soto-Fajardo C, Pineda C. Senescent CD4 +CD28 null cells are increased in chronic hyperuricemia, show aberrant effector phenotypes, and are reversed after allopurinol therapy: a proof-of-concept pilot study. Clin Rheumatol 2023:10.1007/s10067-023-06595-8. [PMID: 37072512 DOI: 10.1007/s10067-023-06595-8] [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: 02/20/2023] [Revised: 04/04/2023] [Accepted: 04/05/2023] [Indexed: 04/20/2023]
Abstract
To characterize CD4+CD28null cells in chronic hyperuricemia and investigate whether allopurinol could restore CD28 expression and the balance of T helper phenotypes. Asymptomatic individuals with chronic hyperuricemia and ultrasonographic findings evocative of urate deposition in the joints. Age- and gender-matched normouricemic individuals were also studied. Oral allopurinol at 150 mg/day for 4 weeks, followed by 300 mg/day through week 12. Color-flow cytometry on peripheral blood mononuclear cells (PBMC) with antibodies against CD4, CD28, T-bet (Th1), GATA-3 (Th2), and RORγt (Th17). Six patients (five men, median age of 53 years) and seven controls were studied. At baseline, hyperuricemic patients had more CD4+CD28null/CD4+ cells than normouricemic subjects (36.8% vs. 6.1%; p = 0.001), with a predominance of T-bet+ cells (98.5% vs. 6.6%; p = 0.001) and few RORγt+ cells (0.7% vs. 89.4%; p = 0.014). In hyperuricemic patients, the number of CD4+ cells/10,000 PBMC was similar before and after allopurinol (3378 vs. 3954; p = 0.843). Conversely, CD4+CD28null cells decreased from 36.8% (23.0-43.7) to 15.8% (4.7-28.1; p = 0.031). CD4+CD28nullT-bet+ cells decreased from 98.5% (95.0-99.4) to 88.3% (75.2-98.9; p = 0.062), CD4+CD28nullGATA-3+ cells increased from 0% (0-4.0) to 2.8% (0.1-15.6; p = 0.156), and CD4+CD28nullRORγt+ cells increased from 0.7% (0.4-7.0) to 4.5% (1.3-28.1; p = 0.031). The CD4+CD28null cell subset is abnormally expanded in chronic hyperuricemia, despite the absence of overt urate-related disease. Allopurinol may partially restore CD28 expression on CD4+ cells while enhancing the homeostatic balance of T helper phenotypes. ClinicalTrials.gov, number NCT04012294.
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Pérez-Neri I, Sandoval H, Estêvão MD, Vasanthan LT, Alarcon-Ruiz CA, Ruszkowski J, Mathangasinghe Y, Ríos C, Pineda C. Central and peripheral mechanisms of pain in fibromyalgia: scoping review protocol. Rheumatol Int 2023; 43:757-762. [PMID: 36635578 DOI: 10.1007/s00296-023-05275-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/16/2022] [Accepted: 01/05/2023] [Indexed: 01/14/2023]
Abstract
Fibromyalgia is characterised by widespread musculoskeletal pain, which may present with fatigue, depression, anxiety, sleep and cognitive disturbances. It is the second most prevalent rheumatic disease. An accurate diagnosis is challenging, since its symptoms may resemble diverse conditions such as carpal tunnel syndrome, Raynaud syndrome, Sjögren syndrome, amongst others. Neuropathic pain and autonomic dysfunction in fibromyalgia suggest the involvement of the nervous system. Ion channels, neurotransmitters and neuromodulators may play a role. Small fibre neuropathy (SFN) may also cause chronic widespread pain. SFN may occur in 50% of fibromyalgia patients, but its role in the disease is unknown. Despite several efforts to synthesise the evidence on the mechanisms for pain in fibromyalgia, there are few studies applying an integrative perspective of neurochemical, immunological, and neuroanatomical characteristics, and their relevance to the disease. This protocol aims to clarify the mechanisms of the central and peripheral nervous system associated with pain in fibromyalgia. We will retrieve published studies from Web of Science, MEDLINE, Scopus, EBSCOhost, Ovid and Google Scholar. All clinical studies or experimental models of fibromyalgia reporting imaging, neurophysiological, anatomical, structural, neurochemical, or immunological characteristics of the central or peripheral nervous systems associated with pain will be included. Exclusion criteria will eliminate studies evaluating pain without a standardised measure, studies written in languages different from Spanish or English that could not be appropriately translated, and studies whose full-text files could not be retrieved after all efforts made. A narrative synthesis will be performed.
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Dejaco C, Ponte C, Monti S, Rozza D, Scirè CA, Terslev L, Bruyn GAW, Boumans D, Hartung W, Hočevar A, Milchert M, Døhn UM, Mukhtyar CB, Aschwanden M, Bosch P, Camellino D, Chrysidis S, Ciancio G, D'Agostino MA, Daikeler T, Dasgupta B, De Miguel E, Diamantopoulos AP, Duftner C, Agueda A, Fredberg U, Hanova P, Hansen IT, Hauge EM, Iagnocco A, Inanc N, Juche A, Karalilova R, Kawamoto T, Keller KK, Keen HI, Kermani TA, Kohler MJ, Koster M, Luqmani RA, Macchioni P, Mackie SL, Naredo E, Nielsen BD, Ogasawara M, Pineda C, Schäfer VS, Seitz L, Tomelleri A, Torralba KD, van der Geest KSM, Warrington KJ, Schmidt WA. The provisional OMERACT ultrasonography score for giant cell arteritis. Ann Rheum Dis 2023; 82:556-564. [PMID: 36600183 DOI: 10.1136/ard-2022-223367] [Citation(s) in RCA: 7] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/15/2022] [Accepted: 11/26/2022] [Indexed: 12/14/2022]
Abstract
OBJECTIVES To develop an Outcome Measures in Rheumatology (OMERACT) ultrasonography score for monitoring disease activity in giant cell arteritis (GCA) and evaluate its metric properties. METHODS The OMERACT Instrument Selection Algorithm was followed. Forty-nine members of the OMERACT ultrasonography large vessel vasculitis working group were invited to seven Delphi rounds. An online reliability exercise was conducted using images of bilateral common temporal arteries, parietal and frontal branches as well as axillary arteries from 16 patients with GCA and 7 controls. Sensitivity to change and convergent construct validity were tested using data from a prospective cohort of patients with new GCA in which ultrasound-based intima-media thickness (IMT) measurements were conducted at weeks 1, 3, 6, 12 and 24. RESULTS Agreement was obtained (92.7%) for the OMERACT GCA Ultrasonography Score (OGUS), calculated as follows: sum of IMT measured in every segment divided by the rounded cut-off values of IMTs in each segment. The resulting value is then divided by the number of segments available. Thirty-five members conducted the reliability exercise, the interrater intraclass correlation coefficient (ICC) for the OGUS was 0.72-0.84 and the median intrareader ICC was 0.91. The prospective cohort consisted of 52 patients. Sensitivity to change between baseline and each follow-up visit up to week 24 yielded standardised mean differences from -1.19 to -2.16, corresponding to large and very large magnitudes of change, respectively. OGUS correlated moderately with erythrocyte sedimentation rate, C reactive protein and Birmingham Vasculitis Activity Score (corrcoeff 0.37-0.48). CONCLUSION We developed a provisional OGUS for potential use in clinical trials.
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Adinolfi A, Sirotti S, Sakellariou G, Cipolletta E, Filippucci E, Porta F, Zanetti A, Ughi N, Sarzi-Puttini P, Scirè CA, Keen H, Pineda C, Terslev L, D’Agostino MA, Filippou G. Which are the most frequently involved peripheral joints in calcium pyrophosphate crystal deposition at imaging? A systematic literature review and meta-analysis by the OMERACT ultrasound – CPPD subgroup. Front Med (Lausanne) 2023; 10:1131362. [PMID: 36968827 PMCID: PMC10034772 DOI: 10.3389/fmed.2023.1131362] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/24/2022] [Accepted: 02/09/2023] [Indexed: 03/11/2023] Open
Abstract
ObjectivesTo identify the prevalence of calcium pyrophosphate crystal deposition (CPPD) using ultrasound and conventional radiology at peripheral joints in patients with suspected or definite CPPD.MethodsA systematic literature search was performed in PubMed and Embase using pre-defined search strategies from inception to April 2021 to identify studies that evaluated conventional radiology and ultrasound in detecting CPPD at peripheral joints, including definite or suspected CPPD [Research question 1 (RQ1) and Research Question 2 (RQ2), respectively]. For the meta-analysis, the first, second, and third sub-analysis included studies with the knee, and knee or wrist as the index joint for CPPD (without restrictions on the reference standard) and synovial fluid analysis or histology as a reference standard (without restrictions on the index joint), respectively.ResultsOne-thousand eight hundred and twenty-seven manuscripts were identified, of which 94 articles were finally included. Twenty-two and seventy-two papers were included in RQ1 and RQ2, respectively. The knee had the highest prevalence for RQ1 and RQ2 by both conventional radiology and ultrasound, followed by the wrist with the highest prevalence for RQ1. The hand had the lowest CPPD prevalence. The third sub-analysis showed a higher CPPD prevalence on ultrasound than conventional radiology at the knee (only data available).ConclusionAmong all peripheral joints, the knees and wrists could be regarded as the target joints for CPPD detection by imaging. Furthermore, ultrasound seems to detect a higher number of calcium pyrophosphate deposits than conventional radiology, even when using a more restrictive reference standard.
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Leung YY, Korotaeva TV, Candia L, Pedersen SJ, Molano WB, Ruderman EM, Bisoendial R, Perez-Alamino R, Olsder W, Möller B, Grazio S, Gudu T, Mody GM, Pineda C, Raffayova H, Rohekar S, Goldenstein-Schainberg C, Gutierrez Urena SR, Casasola Vargas JC, Meghnathi B, Prasad R, Richette P, Miranda JRS, Malliotis N, Lindqvist U, Simon D, Ezeonyeji A, Soriano ER, FitzGerald O. Management of Peripheral Arthritis in Patients With Psoriatic Arthritis: An Updated Literature Review Informing the 2021 GRAPPA Treatment Recommendations. J Rheumatol Suppl 2023; 50:119-130. [PMID: 36243409 DOI: 10.3899/jrheum.220315] [Citation(s) in RCA: 9] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 06/27/2022] [Indexed: 02/08/2023]
Abstract
OBJECTIVE We aimed to compile evidence for the efficacy and safety of therapeutic options for the peripheral arthritis domain of psoriatic arthritis (PsA) for the revised 2021 Group in Research and Assessment of Psoriasis and Psoriatic Arthritis (GRAPPA) treatment recommendations. METHODS A working group consisting of clinicians and patient research partners was convened. We reviewed the evidence from new randomized controlled trials (RCTs) for PsA treatment from February 19, 2013, to August 28, 2020. We used the Grading of Recommendations Assessment, Development, and Evaluation (GRADE)-informed approach to derive evidence for the classes of therapeutic options for 3 patient groups: (1) naïve to treatment, (2) inadequate response to conventional synthetic disease-modifying antirheumatic drugs (csDMARDs), and (3) inadequate response to biologic DMARDs (bDMARDs). Recommendations were derived through consensus meetings. RESULTS The evidence review included 69 RCTs. We derived GRADE evidence for each class of therapeutic options and achieved consensus for the recommendations. For patients naïve to treatment, the working group strongly recommends csDMARDs (methotrexate, sulfasalazine, leflunomide) and phosphodiesterase 4 inhibitors, and emphasizes regular assessment and early escalation to achieve treatment target. bDMARDs (tumor necrosis factor inhibitors [TNFi], interleukin 17 inhibitors [IL-17i], IL-12/23i, IL-23i) and Janus kinase inhibitors (JAKi) are also strongly recommended. For patients with inadequate response to csDMARDs, we strongly recommend TNFi, IL-17i, IL-12/23i, IL-23i, and JAKi. For those who had prior experience with bDMARDs, we strongly recommend a second TNFi, IL-17i, IL-23i, and JAKi. The evidence supporting nonpharmacological interventions was very low. An expert panel conditionally recommends adequate physical activity, smoking cessation, and diet to control weight gain. CONCLUSION Evidence supporting optimal therapy for the peripheral arthritis domain of PsA was compiled for the revised 2021 GRAPPA treatment recommendations.
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Leung YY, Korotaeva T, Candia L, Pedersen SJ, Molano WB, Ruderman EM, Bisoendial R, Perez-Alamino R, Olsder W, Möller B, Grazio S, Gudu T, Mody GM, Pineda C, Raffayova H, Rohekar S, Goldenstein-Schainberg C, Gutierrez Urena SR, Casasola Vargas JC, Meghnathi B, Prasad R, Richette P, Miranda JRS, Malliotis N, Lindqvist U, Simon D, Ezeonyeji A, Soriano ER, FitzGerald O. Management of Peripheral Arthritis in Patients With Psoriatic Arthritis: An Updated Literature Review Informing the 2021 GRAPPA Treatment Recommendations. J Rheumatol 2022; 49:1. [PMID: 36455936 DOI: 10.3899/jrheum.220315.c1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/03/2023]
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González-Torres M, Vargas-Muñoz S, Leyva-Gómez G, Méndez-Padilla MG, Cortés H, Nuñez-Rojas E, González-Mendoza O, Pérez-Díaz MA, Ruvalcaba-Paredes EK, Lima E, Brena AM, Rodríguez-Talavera R, Pineda C. Discovering the effect of solvents on poly(2-aminoethyl methacrylate) grafting onto chitosan for an in vitro skin model. Carbohydr Polym 2022; 295:119864. [DOI: 10.1016/j.carbpol.2022.119864] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/14/2022] [Revised: 07/07/2022] [Accepted: 07/10/2022] [Indexed: 11/25/2022]
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Sirotti S, Becce F, Sconfienza LM, Terslev L, Naredo E, Zufferey P, Pineda C, Gutierrez M, Adinolfi A, Serban T, MacCarter D, Mouterde G, Zanetti A, Scanu A, Möller I, Novo-Rivas U, Largo R, Sarzi-Puttini P, Abhishek A, Choi HK, Dalbeth N, Pascart T, Tedeschi SK, D'Agostino MA, Iagnocco A, Keen HI, Scirè CA, Filippou G. Reliability and Diagnostic Accuracy of Radiography for the Diagnosis of Calcium Pyrophosphate Deposition: Performance of the Novel Definitions Developed by an International Multidisciplinary Working Group. Arthritis Rheumatol 2022; 75:630-638. [PMID: 36122187 DOI: 10.1002/art.42368] [Citation(s) in RCA: 12] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/11/2022] [Revised: 08/07/2022] [Accepted: 09/13/2022] [Indexed: 01/20/2023]
Abstract
OBJECTIVE To assess the reliability and diagnostic accuracy of new radiographic imaging definitions developed by an international multidisciplinary working group for identification of calcium pyrophosphate deposition (CPPD). METHODS Patients with knee osteoarthritis scheduled for knee replacement were enrolled. Two radiologists and 2 rheumatologists twice assessed radiographic images for presence or absence of CPPD in menisci, hyaline cartilage, tendons, joint capsule, or synovial membrane, using the new definitions. In case of disagreement, a consensus decision was made and considered for the assessment of diagnostic performance. Histologic examination of postsurgical specimens under compensated polarized light microscopy was the reference standard. Prevalence-adjusted bias-adjusted kappa values were used to assess reliability, and diagnostic performance statistics were calculated. RESULTS Sixty-seven patients were enrolled for the reliability study. The interobserver reliability was substantial in most of the assessed structures when considering all 4 readers (κ range 0.59-0.90), substantial to almost perfect among radiologists (κ range 0.70-0.91), and moderate to almost perfect among rheumatologists (κ range 0.46-0.88). The intraobserver reliability was substantial to almost perfect for all the observers (κ range 0.70-1). Fifty-one patients were included in the accuracy study. Radiography demonstrated an overall specificity of 92% for CPPD, but sensitivity remained low for all sites and for the overall diagnosis (54%). CONCLUSION The new radiographic definitions of CPPD are highly specific against the gold standard of histologic diagnosis. When the described radiographic findings are present, these definitions allow for a definitive diagnosis of CPPD, rather than other calcium-containing crystal depositions; however, a negative radiographic finding does not exclude the diagnosis.
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Pérez-Neri I, González-Aguilar A, Sandoval H, Pineda C, Ríos C. Potential Goals, Challenges, and Safety of Focused Ultrasound Application for Central Nervous System Disorders. Curr Neuropharmacol 2022; 20:1807-1810. [PMID: 35105289 PMCID: PMC9886811 DOI: 10.2174/1570159x20666220201092908] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/19/2021] [Revised: 01/02/2022] [Accepted: 01/26/2022] [Indexed: 11/22/2022] Open
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Carbonell-Bobadilla N, Soto-Fajardo C, Amezcua-Guerra LM, Batres-Marroquín AB, Vargas T, Hernández-Diazcouder A, Jiménez-Rojas V, Medina-García AC, Pineda C, Silveira LH. Patients with seronegative rheumatoid arthritis have a different phenotype than seropositive patients: A clinical and ultrasound study. Front Med (Lausanne) 2022; 9:978351. [PMID: 36052337 PMCID: PMC9424641 DOI: 10.3389/fmed.2022.978351] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/25/2022] [Accepted: 07/27/2022] [Indexed: 12/03/2022] Open
Abstract
Introduction Rheumatoid arthritis (RA) is an inflammatory disease whose clinical phenotype largely depends on the presence of rheumatoid factor (RF) and anti-citrullinated protein antibodies (ACPA). Seronegative RA appears to be a less severe disease, but this remains controversial. This study aimed to assess whether seronegative patients show a less severe disease than seropositive patients. Methods A cross-sectional study was conducted on RA outpatients from a single center. Clinical activity scales, laboratory evaluations, and cardiovascular risk scores were assessed. Musculoskeletal ultrasound (US) examinations were performed. Results One hundred and fourteen patients were enrolled. Eighty-five were seropositive (76% women) and 29 seronegative (93% women). Seropositive patients had a younger age at disease onset (43 ± 14 vs. 54 ± 11; p = 0.001) and used sulfasalazine (47 vs. 17%; p = 0.004) and glucocorticoids (36 vs. 10%; p = 0.007) more frequently. No differences in clinical activity scales and in 10-year cardiovascular risk were observed. Pathological US data were found more frequently in seropositive patients in the 2nd metacarpophalangeal (MCP) joint, both in grayscale (71 vs. 38%; p = 0.008) and in power Doppler (PD; 53 vs. 9%; p < 0.001); erosions (36 vs. 9%; p = 0.020) were also more frequent. We found greater severity of PD signals in the 2nd MCP and 3rd MCP joints of the seropositive patients, while synovitis severity was higher only in the 2nd MCP joints. The percentage of total joints with erosions (9 vs. 1%; p < 0.001) and 2nd MCP joints with erosions (25 vs. 7%; p < 0.001) was higher in seropositive patients. Conclusion RA patients show a differentiated phenotype according to their ACPA and RF status. In seronegative patients, RA begins later in life and has a lower requirement for antirheumatic therapies. On US evaluation, seropositive patients show more joint damage, especially in MCP joints. Despite this, long-term cardiovascular risk is similar among RA patients, regardless of their RF and ACPA status.
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