نتایج جستجو برای: seropositive
تعداد نتایج: 7997 فیلتر نتایج به سال:
The authors estimated the rates of development of serum antibodies against Brucella abortus, between January 1987 and December 1990, in female Jersey cattle and buffalo weaned from seropositive and seronegative dams, and used logistic regression analysis to examine the epidemiological relationship of these rates with the serum antibody status of dams. The offspring from both seropositive and se...
BACKGROUND Individuals in the indeterminate phase of Chagas disease are considered to have mortality rates similar to those of the overall population. This study compares mortality rates among blood donors seropositive for Chagas disease and negative controls in the city of São Paulo, Brazil. METHODOLOGY/PRINCIPAL FINDINGS This is a retrospective cohort study of blood donors from 1996 to 2000...
objective epilepsy occurs with a yearly incidence of 40 per 100,000 children, of which more than 25% are resistant to drug therapy. epilepsy may occur in autoimmune diseases like lupus, celiac disease and myasthenia gravis. in this study, the relationship between celiac disease and refractory epilepsy was evaluated in children with idiopathic epilepsy. material & methods hundred-fifty-five chil...
The clinical course of children with IgM rheumatoid-factor-positive chronic arthritis closely resembles that of seropositive rheumatoid disease in adults. The frequency of HLA DR4 is known to be increased in adults with seropositive rheumatoid arthritis, but the first major report on childhood arthritis did not suggest a correlation, though only 8 seropositive cases were included. Fifty-two chi...
BACKGROUND Blood donor screening leads to large numbers of new diagnoses of Trypanosoma cruzi infection, with most donors in the asymptomatic chronic indeterminate form. Information on electrocardiogram (ECG) findings in infected blood donors is lacking and may help in counseling and recognizing those with more severe disease. OBJECTIVES To assess the frequency of ECG abnormalities in T.cruzi...
total igm, iga, and igm-rheumatoid factor (rf) and iga-rf were quantitated in the serum and synovial fluid of 35 seropositive and 8 seronegative rheumatoid arthritis (ra) patients, using a sensitive enzyme-linked immunosorbent assay (elisa). mononuclear cells isolated from peripheral blood and synovial fluid of three seropositive patients were also stimulated in vitro with phorbol myristate ace...
Results from a representative survey of respondents in Florida are given, concerning their knowledge about members of their personal network, and specifically how many people respondents know in selected subpopulations. We employ a method known as a "network scale-up method". By using a collection of subpopulations of known size, and also asking about one subpopulation (those who are seropositi...
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