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Adult onset Still's disease and viral infections
J M Wouters1, J van der Veen, L B van de Putte
1Department of Rheumatology, University Hospital Nijmegen, The Netherlands.
Abstract:
Several micro-organisms, especially viruses, have been associated with juvenile and adult onset Still's disease. In the present study a search for probable triggering viral infections in five consecutive patients with early, active adult onset Still's disease has been made. In one patient echovirus 7 was identified as a probable triggering agent. Evidence of infection with this virus was acquired by virus cultures and serological tests. In two patients the illness was probably initiated by a rubella reinfection. Both had initially high stable monospecific IgG antibody titres but no IgM antibodies to this virus. In the remaining two cases no particular triggering viral infection could be designated. Evidence of a viral infection was thus found in three of these five patients. Adult onset Still's disease may represent a reaction pattern to certain infections.
Insights
Researchers investigated viral triggers for adult onset Still's disease (AOSD). Echovirus 7 and rubella reinfection were identified as probable causes in some patients, suggesting AOSD may be a response to infections.
Area of Science:
- Rheumatology
- Infectious Diseases
- Virology
Background:
- Juvenile and adult onset Still's disease (AOSD) have been linked to various microorganisms, particularly viruses.
- Identifying specific viral triggers is crucial for understanding AOSD pathogenesis.
Purpose of the Study:
- To investigate potential triggering viral infections in patients with early, active adult onset Still's disease.
- To determine the association between specific viral agents and AOSD onset.
Main Methods:
- Analysis of five consecutive patients diagnosed with early, active adult onset Still's disease.
- Utilized virus cultures and serological tests to detect viral infections.
- Assessed antibody titers (IgG and IgM) for specific viruses like echovirus and rubella.
Main Results:
- Echovirus 7 was identified as a probable triggering agent in one patient.
- Rubella reinfection was implicated in two patients, characterized by high IgG but absent IgM antibodies.
- A specific viral trigger could not be identified in the remaining two patients.
- Evidence of viral infection was found in three out of the five studied patients.
Conclusions:
- Adult onset Still's disease may manifest as a reactive pattern to certain infections.
- Viral infections, including echovirus 7 and rubella, are potential initiators of adult onset Still's disease.
- Further research is warranted to fully elucidate the role of infections in AOSD etiology.