We analyzed the cases of pyogenic arthritis from group B streptococcus (GBS), or, in nonpregnant adults diagnosed in the Hospital Universitari de Bellvitge, a 1,000-bed tertiary care teaching hospital in Barcelona, Spain, during a 10-year period, and we reviewed the available literature to summarize the experience with this infectious entity. From the database of our institution, which does not attend pediatric, obstetric, or burn patients, we collected all microbiologically proven cases of infectious arthritis seen from January 1992 to December 2001. We excluded patients with infection limited to spine; patients with prosthetic joint infection; patients undergoing articular surgery during the year before diagnosis; and those with tuberculous, brucellar, or fungal arthritis. Of a total of 112 patients identified, GBS was the causative organism in 11 (10%) cases. We reviewed the literature using a MEDLINE search (1972-2001), and found 64 additional cases. Of the 75 patients, 34 (45%) were men and 41 (55%) women, with ages ranging from 20 to 87 years (mean age, 57.9 +/- 14.9 yr); 37 patients (49%) were over 60 years. Sixty-eight percent (51/75) of the patients presented with monoarthritis, while in 32% (24/75) more than 1 joint was involved. The most common location was the knee (36%), followed by the shoulder (25%). In 66% (43/65) of cases, bacteremia was documented. In 64% (47/74) of patients, a systemic predisposing factor for infection was noted; the most common conditions were diabetes mellitus, malignancies, and chronic liver diseases. In 31% (23/75) of patients, a concomitant infectious process due to the same microorganism was found, mainly vertebral osteomyelitis and urinary tract infection. Penicillin was the main antibiotic used after bacterial identification; surgical drainage was performed in 36% (27/75) of cases. The overall mortality rate was 9% (7/75). GBS is now a significant causative agent of pyogenic arthritis in nonpregnant adults. In this population, joint infection by GBS is a disease that mainly affects aged patients with underlying medical illnesses; polyarticular involvement, bacteremia, and the presence of a concomitant infectious process are frequent conditions. The case-fatality rate is substantial.
Objectives To determine cardiovascular (CV) mortality and incidence of the first CV event (CVE) in patients with chronic inflammatory rheumatic diseases (CIRD) after 5 years of follow-up. Methods This is an analysis of the CARdiovascular in rheMAatology (CARMA) study after 5 years of follow-up. It includes patients with RA (n = 775), AS (n = 738) and PsA (n = 721), and individuals without CIRD (n = 677) attending outpatient rheumatology clinics from 67 public hospitals in Spain. Descriptive analyses were performed for the CV mortality at 5 years. The Systematic COronary Risk Evaluation (SCORE) function at 5 years was calculated to determine the expected risk of CV mortality. Poisson models were used to estimate the incidence rates of the first CVE. Hazard ratios of the risk factors involved in the development of the first CVE were evaluated using the Weibull proportional hazard model. Results Overall, 2382 subjects completed the follow-up visit at 5 years. Fifteen patients died due to CVE. CV deaths observed in the CIRD cohort were lower than that predicted by SCORE risk charts. The highest incidence rate of CVE [7.39 cases per 1000 person-years (95% CI 4.63, 11.18)] was found in PsA patients. However, after adjusting for age, sex and CV risk factors, AS was the inflammatory disease more commonly associated with CVE at 5 years [hazard ratio 4.60 (P =0.02)], compared with those without CIRD. Conclusions Cardiovascular mortality in patients with CIRD at 5 years of follow-up is lower than estimated. Patients with AS have a higher risk of developing a first CVE after 5 years of follow-up.
Objective. To evaluate the impact of comorbidities on physical function in patients with ankylosing spondylitis (AS) and psoriatic arthritis (PsA).Methods. This was a cross-sectional analysis of the baseline visit from the Cardiovascular in Rheumatology study. Multivariate models with physical function as the dependent variable (Bath Ankylosing Spondylitis Functional Index and Health Assessment Questionnaire for AS and PsA, respectively) were performed. Independent variables were a proxy for the Charlson Comorbidity Index (CCIp; range 0-27), sociodemographic data, disease activity (erythrocyte sedimentation rate [ESR] and Bath Ankylosing Spondylitis Disease Activity Index [BASDAI] in AS; Disease Activity Score in 28 joints [DAS28] using the ESR in PsA), disease duration, radiographic damage, and treatments. Results were reported as beta coefficients, 95% confidence intervals (95% CIs), and P values.Results. We included 738 patients with AS and 721 with PsA; 21% of patients had >1 comorbidity. Comorbidity burden (CCIp) was independently associated with worse adjusted physical function in patients with PsA (β = 0.11). Also, female sex (β = 0.14), disease duration (β = 0.01), disease activity (DAS28-ESR; β = 0.19), and the use of nonsteroidal antiinflammatory drugs (β = 0.09), glucocorticoids (β = 0.11), and biologics (β = 0.15) were associated with worse function in patients with PsA. A higher education level was associated with less disability (β = -0.14). In patients with AS, age (β = 0.03), disease activity (BASDAI; β = 0.81), radiographic damage (β = 0.61), and the use of biologics (β = 0.51) were independently associated with worse function on multivariate analyses, but CCIp was not.Conclusion. The presence of comorbidities in patients with PsA is independently associated with worse physical function. The detection and control of the comorbidities may yield an integral management of the disease.
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