Effect of exercise on urate crystal-induced inflammation in canine joints.
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Biomedical subjects
Publications and source records attributed to C A Agudelo.
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This study was carried out in order to obtain base-line data concerning the epidemiology of American Visceral Leishmaniasis and Chagas' Disease in an indigenous population with whom the government is starting a dwelling improvement programme. Information was collected from 242 dwellings (1,440 people), by means of house to house interviews about socio-economic and environmental factors associated with Leishmania chagasi and Trypanosoma cruzi transmission risk. A leishmanin skin test was applied to 385 people and 454 blood samples were collected on filter paper in order to detect L. chagasi antibodies by ELISA and IFAT and T. cruzi antibodies by ELISA. T. cruzi seroprevalence was 8.7% by ELISA, L. chagasi was 4.6% and 5.1% by IFAT and ELISA, respectively. ELISA sensitivity and specificity for L. chagasi antibodies were 57% and 97.5% respectively, as compared to the IFAT. Leishmanin skin test positivity was 19%. L. chagasi infection prevalence, being defined as a positive result in the three-immunodiagnostic tests, was 17.1%. Additionally, 2.7% of the population studied was positive to both L. chagasi and T. cruzi, showing a possible cross-reaction. L. chagasi and T. cruzi seropositivity increased with age, while no association with gender was observed. Age (p<0.007), number of inhabitants (p<0. 05), floor material (p<0.03) and recognition of vector (p<0.01) were associated with T. cruzi infection, whilst age ( p<0.007) and dwelling improvement (p<0.02) were associated with L. chagasi infection. It is necessary to evaluate the long-term impact of the dwelling improvement programme on these parasitic infections in this community.
Four rheumatologists and 2 radiologists utilized 3 reading techniques to evaluate clinical radiographic progression in selected serial hand and wrist films from 5 rheumatoid arthritis patients. The carpometacarpal radio determinations were the most internally consistent; global assessment and total erosion + joint space narrowing scores showed the best between-method correlations; and the erosion + joint space narrowing scores depicted most sensitively the progression over time which was not affected by immunomodulating agent or non-steroidal anti-inflammatory agent therapy. In this study, instructed, non-experienced readers detected rheumatoid radiographic progression utilizing readily available scoring techniques.
Specific (usually papules and nodules showing a granulomatous histology) and non-specific (e.g. erythema nodosum) cutaneous lesions presenting manifestations of sarcoidosis have been well described. Two patients with unique presentations are here described; one with ichthyosiform cutaneous lesions and one with not previously described cutaneous lesions which mimicked linear morphea (localized scleroderma). The association of articular manifestations without pulmonary involvement was also unusual.
We report the first case of co-existing temporal arteritis and Sjögren's syndrome in the English language literature. Characteristic clinical and laboratory findings of both disorders were present. The combination of these two illnesses could be on the basis of chance alone or there may be a common etiology. Temporal arteritis could therefore be an addition to the spectrum of vasculitis diseases seen in Sjögren's syndrome.
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Four patients with systemic lupus erythematosus (SLE) and non-Hodgkin's lymphoma are described. Except for low dose prednisone therapy in 1 patient, none of these patients had received immunosuppressive therapy prior to the lymphoma. This present series and literature review suggests an increased incidence of non-Hodgkin's lymphoma in SLE.