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At least 1,135 records · Page 63Linked to original sources
PubMed2000

[Evaluation of serological response to Bartonella henselae by enzyme immunoassay in cat scratch disease].

The IgG and IgM titers to Bartonella henselae were determined by an enzyme immunoassay (EIA). The EIA test for detection of IgG and IgM antibodies to B. henselae concerning CSD showed that 8 (40%) of 20 patients with CSD had a serum IgG antibody titer of 12 EIA unit or more and that 5 (25%) patients had a serum IgM titer of 12 EIA unit or more. Totally 12 (60%) of the 20 patients with CSD were seropositive for B. henselae. The mean age of IgG positive patients were higher than IgM positive patients. The IgM antibodies to B. henselae disappeared within 4 to 12 weeks after onset of disease. The IgG antibodies to B. henselae disappeared within 3 to 8 weeks after onset of the symptoms in 2 cases of CSD. Another 2 cases CSD produced high levels of IgG antibodies in the acute phase of the disease. Different course of IgG and IgM antibody titers were found in sera from patients.

Adult↗
PubMed2001

[Longitudinal study of serological response to Bartonella henselae by indirect fluorescence assay in cat scratch disease].

Sequential serologic testing for IgG and IgM titers to Bartonella henselae were evaluated by an indirect fluorescence assay (IFA) in patients with CSD. The IFA test for the detection of IgG and IgM antibodies to B. henselae in 52 CSD patients showed that 40 (76.9%) were positive for IgG antibody and 9 (17.3%) were positive for IgM antibody. Two or more consecutive serum samples from 30 patients with CSD were assessed. In regard to the detection of IgG antibody, 5 patients had rapidly elevated titers in the acute phase, 12 patients had high titers from the acute phase, and 5 patients had a positive titer 24 weeks after the onset. B. henselae IgM antibody kinetics varied widely between patients with CSD. The seropositive rate for the antibody to B. henselae was analyzed at overtime after the onset and we found that the IgG-seropositive rate was high from 2 weeks after the onset and low after 25 weeks. The sensitivity of the IgM IFA was low, and IgM antibody to B. henslelae was not detected from 9 weeks. The detection from consecutive serum samples of antibodies to B. henselae by IFA is very useful for diagnosis in the case of clinically suspected CSD.

Antibodies, Bacterial↗