Septic arthritis coexistent with gout presented a diagnostic difficulty. An early diagnosis requires a high level of suspicion. Prompt aspiration and analysis of the synovial fluid is imperative, regardless of the absence of fever or leucocytosis. Culture of the aspirated synovial fluid is warranted in gouty attack, even when it has a low white cell count or the Gram stain reveals no organisms.
Cryptococcus neoformans infection accounted for most fatalities in SLE patients with fungal infections in this series. Active lupus disease is probably a risk factor for fungal infection in SLE patients. Notably, low prednisolone doses prior to fungal infection or high prednisolone doses following fungal infection tended to associate with or correlated to fatality, respectively. Therefore, we suggest that different prednisolone doses prescribed at various times impact the incidence of fungal infection and its associated mortality.
The aim of the study was to estimate the prevalence, characteristics, and prognostic factors of interstitial lung disease (ILD) in patients with polymyositis (PM) and dermatomyositis (DM). The medical records of 151 PM/DM patients treated at Chang Gung Memorial Hospital between January, 2000 and June, 2007 were retrospectively reviewed. Thirty of 151 (19.9%) PM/DM patients had developed ILD. Older age at PM/DM onset, anti-Jo-1 antibody, and arthritis/arthralgia were associated with the presence of ILD (p = 0.004, p = 0.008, and p = 0.026, respectively). Anti-Jo-1 was initially excluded from the multivariate analysis because only 80 patients underwent the test. An older age at onset above 45 years (odds ratio 3.28, 95% confidence interval (CI) 1.15-9.34, p = 0.026) and arthritis/arthralgia at onset (odds ratio (OR) 2.57, 95% CI 1.09-6.08, p = 0.032) were the two independent risk factors for developing ILD. If anti-Jo-1 was included in the multivariate analysis (n = 80), then an older age at onset above 45 years (OR 7.30, 95% CI 1.70-31.40, p = 0.008) and anti-Jo-1 positive (OR 7.89, 95% CI 1.18-52.87, p = 0.033) were associated with ILD, while arthritis/arthralgia was no longer significant (OR 2.64, 95% CI 0.70-10.01, p = 0.153). Of the 30 ILD patients, 16 (53.3%) died. The survival time was significantly shorter in ILD patients than in patients without ILD (p < 0.001). Poor survival in ILD patients was associated with male gender (p = 0.039), a Hamman-Rich-like presentation (p = 0.039), and a clinical diagnosis of acute interstitial pneumonia (p = 0.007).
Toll-like receptors (TLRs), as innate immunity sensors, play critical roles in immune responses. Six SNPs of TLR3, TLR7, and TLR8 were genotyped to determine their associations with systemic lupus erythematosus (SLE) and clinical manifestations of SLE. TLR7 SNP rs3853839 was independently associated with SLE susceptibility in females (G vs. C: p = 0.0051). TLR7 rs3853839-G (G vs. C: p = 0.0100) and TLR8 rs3764880-G (recessive model: p = 0.0173; additive model: p = 0.0161) were associated with pericardial effusion in females relative to healthy females. Anti-SSA positive cases were more likely to have the dominant TLR7 rs179010-T allele than normal controls (p = 0.0435). TLR3 rs3775296-T was associated with photosensitivity (p = 0.0020) and anemia (p = 0.0082). The “G-G” haplotype of TLR7 rs3853839 and TLR8 rs3764880 increased risk of SLE in females (age adjusted p = 0.0032). These findings suggest that TLR variations that modify gene expression affect risk for SLE susceptibility, clinical phenotype development, and production of autoantibodies.
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