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1.
Arthritis Rheumatol ; 75(9): 1566-1572, 2023 09.
Article in English | MEDLINE | ID: mdl-37011055

ABSTRACT

OBJECTIVE: Systemic lupus erythematosus (SLE) is a highly heritable complex disorder with heterogeneous clinical manifestations. In this study, we aimed to identify the genetic risk load using clinical and serological manifestations in SLE patients. METHODS: We genotyped a total of 1,655 Korean patients with SLE (n = 1,243 as a discovery set and n = 412 as a replication set) using a customized genome-wide single-nucleotide polymorphism (SNP) array, KoreanChip. A weighted genetic risk score (wGRS) for an individual was calculated from 112 well-validated non-HLA SNPs and HLA haplotypes of SLE-risk loci. We analyzed associations between individual wGRS and clinical SLE subphenotypes and autoantibodies using multivariable linear or logistic regression adjusted by onset age, sex, and disease duration. RESULTS: Childhood-onset SLE (<16 years) conferred the highest genetic risk compared with adult-onset (16-50 years) or late-onset (>50 years) SLE (P = 6.8 × 10-6 ). High wGRS significantly increased associations with SLE manifestations, regardless of onset age, sex, and disease duration. Individual wGRS significantly correlated positively with more clinical American College of Rheumatology criteria (ß = 0.143, P = 1.8 × 10-6 ). Subphenotype analysis revealed significant associations between the highest and lowest wGRS quartile with risk of renal disorder (hazard ratio [HR] 1.74, P = 2.2 × 10-8 ) and anti-Sm antibody production (HR 1.85, P = 2.8 × 10-5 ). Higher wGRS markedly modulated the pathogenesis of proliferative and membranous lupus nephritis class III or IV (HR 1.98, P = 1.6 × 10-5 ) and class V (HR 2.79, P = 1.0 × 10-3 ), but especially lupus nephritis class V in anti-Sm-positive SLE (area under the curve 0.68, P = 1.8 × 10-4 ). CONCLUSION: Patients with SLE and high wGRS tended to have earlier age of SLE onset, higher anti-Sm antibody positivity, and more diverse clinical phenotypes. Genetic profiling may predict high risk for lupus nephritis and a diverse clinical course in SLE patients.


Subject(s)
Lupus Erythematosus, Systemic , Lupus Nephritis , Humans , Lupus Nephritis/genetics , Lupus Erythematosus, Systemic/genetics , Genotype , Phenotype , Autoantibodies
2.
Rheumatol Int ; 39(12): 2177-2183, 2019 Dec.
Article in English | MEDLINE | ID: mdl-30976834

ABSTRACT

Although popliteal cysts are most frequently identified in patients with osteoarthritis (OA), they may occur in patients with rheumatoid arthritis (RA), in which serious complicated cases such as cyst rupture can be developed. The objective of this study was to report four patients with RA (six knees) in combination with OA with a brief review of literature of previous similar published cases. This is a retrospective review of case records of patients with refractory and/or complicated popliteal cysts, who have successfully treated with arthroscopic intervention. We suggest that arthroscopic interventions such as radical debridement, synovectomy, biomechanical valve excision, and/or cystectomy should be considered in patients with refractory and complicated popliteal cysts associated with RA or RA in combination with OA.


Subject(s)
Arthritis, Rheumatoid/complications , Arthroscopy/methods , Knee Joint/surgery , Osteoarthritis/complications , Popliteal Cyst/surgery , Aged , Female , Humans , Middle Aged , Popliteal Cyst/complications , Treatment Outcome
3.
Mod Rheumatol ; 28(6): 1021-1028, 2018 Nov.
Article in English | MEDLINE | ID: mdl-29429391

ABSTRACT

OBJECTIVES: To explore the relative efficacy of oral pharmacologic interventions in the treatment of knee OA. METHODS: A systematic literature review was conducted using the MEDLINE, EMBASE, and Cochrane Central Register of Controlled Trials databases to identify trials conducted in patients with knee OA with a minimum 6 weeks of follow-up. The standardized mean differences of the change from baseline to week 6 in Western Ontario and McMaster Universities Arthritis Index (WOMAC) pain between the treatment groups were estimated using Bayesian random-effects network meta-analyses. Subgroup analyses of baseline pain status (high, pain score ≥60 mm; low, pain score <60 mm) were performed. RESULTS: Of 4067 manuscripts, 44 were included in the evidence synthesis. Etoricoxib had the highest ranking for improving WOMAC pain (probability of being top ranked, p (best) = .43) followed by naproxen (p (best) = .12), acetaminophen (AAP) (p (best) = .04), and celecoxib (p (best) = .02). The top three ranked interventions were etoricoxib, celecoxib and aceclofenac in the higher pain group, and tramadol, celecoxib, and diclofenac in the lower pain group. CONCLUSION: In the overall analysis, etoricoxib, celecoxib, and aceclofenac had the highest rankings for improving WOMAC pain. The ability to improve knee OA symptoms may differ depending on baseline pain and radiologic features.


Subject(s)
Anti-Inflammatory Agents, Non-Steroidal , Knee Joint/diagnostic imaging , Osteoarthritis, Knee , Anti-Inflammatory Agents, Non-Steroidal/classification , Anti-Inflammatory Agents, Non-Steroidal/pharmacology , Humans , Network Meta-Analysis , Osteoarthritis, Knee/diagnosis , Osteoarthritis, Knee/drug therapy , Pain Measurement/methods , Treatment Outcome
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