Volume 13, Number 1—January 2007
Letter
Saint Louis Encephalitis Virus, Brazil
Adriano Mondini*1, Izabela Lídia Soares Cardeal*1, Eduardo Lázaro†, Silva H. Nunes*, Cibele C. Moreira*, Paula Rahal‡, Irineu L Maia*§, Célia Franco*§, Delzi V. N. Góngora*§, Fernando Góngora-Rubio*§, Eliana Márcia Sotello Cabrera*§, Luiz Tadeu Moraes Figueiredo¶, Flavio Guimarães da Fonseca#, Roberta Vieira Moraes Bronzoni*, Franscisco Chiaravalloti-Neto*, and Maurício Lacerda Nogueira*§
Table
Clinical data, 6 patients with Saint Louis encephalitis, Brazil, 2006*
| Patient no. (age) | Sample tested by RT-PCR | Date of hospital admission | Initial diagnosis at admission | Signs, symptoms, selected laboratory results |
|---|---|---|---|---|
| 1 (27 y) | Serum | Feb 25 | Dengue fever | Clinical: fever, abdominal pain, diarrhea Serum: AST 58 IU/mL, ALT 69 IU/mL |
| 2 (7 mo) | Serum | Mar 06 | Dengue hemorrhagic fever, viral encephalitis | Clinical: fever, abdominal pain, melena, petechiae, positive tourniquet test Serum: platelets 311,000 /mm3, hematocrit 29% CSF: 13 cells/mm3, lymphocytes 86%, monocytes 14% |
| 3 (37 y) | Serum | Apr 22 | Dengue hemorrhagic fever | Clinical: fever, headache, chills, myalgia, maculopapular rash, positive tourniquet test Serum: hematocrit 43%, platelets 280,000/mm3 History: previous DENV infection (2002) |
| 4 (34 y) | Serum | Apr 23 | Dengue hemorrhagic fever | Clinical: fever, headache, chills, myalgia, maculopapular rash, positive tourniquet test Serum: platelets 141,000/mm3, hematocrit 38%, AST 81 IU/mL, ALT 56 IU/mL |
| 5 (5 y) | CSF | Jun 05 | Viral meningoencephalitis | Clinical: fever CSF: 286 cells/mm3, lymphocytes 60%, polymorphonuclear cells 37%, eosinophils 3% |
| 6 (11 y) | CSF | Jun 07 | Viral meningoencephalitis | Clinical: fever, facial palsy CSF: 12 cells/mm3, lymphocytes 100% |
*RT-PCR, reverse transcription–PCR; AST, aspartate aminotransferase; ALT, alanine aminotransferase; CSF, cerebrospinal fluid; DENV, dengue virus.
