期刊
JAMA-JOURNAL OF THE AMERICAN MEDICAL ASSOCIATION
卷 287, 期 10, 页码 1295-1300出版社
AMER MEDICAL ASSOC
DOI: 10.1001/jama.287.10.1295
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Context Human herpesvirus 8 (HHV-8) infection causes Kaposi sarcoma and lymphoproliferative disorders in immunosuppresed adults. Its manifestations in immunocompetent hosts are unknown. Objectives To determine whether HHV-8 primary infection is symptomatic in immunocompetent children and to identify the epidemiological and virological correlates of HHV-8 infection. Design and Setting Prospective cohort study conducted in the pediatric emergency department of a hospital in Alexandria, Egypt, between December 1, 1999, and April 30, 2000. Patients Eighty-six children aged 1 to 4 years who were evaluated fora febrile syndrome of undetermined origin. Main Outcome Measures Serological assay and polymerase chain reaction of blood and saliva samples for HHV-8, Information on potential risk factors for HHV-8 infection was also collected. Results Thirty-six children (41.9%) were seropositive; HHV-8 DNA sequences were detected in 14 (38.9%) of these 36 children (detected in saliva in 11 of 14). Significant associations were found between HHV-8 infection and close contact with at least 2 other children in the community (36 of 63 vs 6 of 23 for <2 children; adjusted odds ratio [OR], 3.50; 95% confidence interval [CI], 1.11-12.22) and admission to the emergency department in December or January (28 of 47 vs 14 of 39 for February-April; adjusted OR, 3.15; 95% Cl, 1.23-8.58). Six children had suspected primary HHV-8 infection; all but 1 had a febrile cutaneous craniocaudal maculopapular rash, which was more common among these children (5 of 6 vs 10 of 75; P<.001). For 3 of these 6 children, a second blood sample was obtained after the convalescence phase, and all 3 seroconverted for HHV-8. Conclusions Primary infection with HHV-8 may be associated with a febrile maculopapular skin rash among immunocompetent children. The finding of HHV-8 DNA sequences in saliva supports the hypothesis that transmission through saliva is the main mode of transmission in the pediatric age group.
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