학술논문

Characterization of rickettsia rickettsii in a case of Fatal Brazilian spotted fever in the city of Rio de Janeiro, Brazil
Document Type
article
Source
Brazilian Journal of Infectious Diseases. April 2008 12(2)
Subject
Brazilian spotted fever
spotted fever group rickettsia
Rickettsia rickettsii
lethal case
Rio de Janeiro city
indirect immunofluorescence
polymerase chain reaction
central nervous system involvement
Language
English
ISSN
1413-8670
Abstract
A lethal case of Brazilian spotted fever (BSF) is presented. Clinical features were initially of gastrointestinal involvement and evolved with progression to septic shock, meningoencephalitis and death on the 6th day of illness. Indirect immunofluorescence assay (IFA) for spotted fever group rickettsia (SFGR) was non-reactive. Diagnosis was confirmed by the polymerase chain reaction (PCR) and the nucleotide sequencing of a fragment of the ompA gene showed 100% homology to Rickettsia rickettsii. BSF has not been reported in the city of Rio de Janeiro in the last three decades, and the present description should alert the clinicians to its presence in urban Rio de Janeiro, and to the differential diagnosis with dengue fever, gastroenteritis, leptospirosis and bacterial septic shock, among others.