Low sensitivity of polymerase chain reaction for diagnosis of tuberculous meningitis in southeastern Brazil
Rev. Soc. Bras. Med. Trop
; Rev. Soc. Bras. Med. Trop;34(4): 389-393, jul.-ago. 2001. tab
Article
in En
| LILACS
| ID: lil-461925
Responsible library:
BR1.1
ABSTRACT
Two polymerase chain reaction (PCR) protocols showed low sensitivity (36% and 53% for TB AMPLICOR and MPB64 nested PCR, respectively), when compared with classic microbiological methods (73% and 54% for Ziehl-Neelsen staining and culture, respectively), in the diagnosis of tuberculous meningitis in 91 patients in southeastern Brazil. Only three PCR-positive, microbiologically negative patients were found. Analysis of sequential cerebrospinal fluid samples by nested PCR detected Mycobacterium tuberculosis DNA up to 29 days after the introduction of antituberculosis chemotherapy.
RESUMO
Exames coproparasitológicos realizados em 191 crianças de creches e em 434 alunos da primeira à quarta série das áreas urbana e rural da rede municipal de Rolândia, PR, evidenciaram enteroparasitas em prevalência de 15,2% nas creches e de 52,5% entre os escolares. Fatores de risco são discutidos.
Key words
Full text:
1
Collection:
01-internacional
Database:
LILACS
Main subject:
Tuberculosis, Meningeal
/
Polymerase Chain Reaction
Type of study:
Diagnostic_studies
/
Guideline
/
Observational_studies
/
Risk_factors_studies
Limits:
Humans
Country/Region as subject:
America do sul
/
Brasil
Language:
En
Journal:
Jornal brasileiro de medicina tropical
/
Rev Soc Bras Med Trop
/
Rev. Soc. Bras. Med. Trop
/
Rev. Soc. Bras. Med. Trop. (Online)
/
Revista da Sociedade Brasileira de Medicina Tropical (Impresso)
Journal subject:
MEDICINA TROPICAL
Year:
2001
Document type:
Article
Affiliation country:
Brazil
Country of publication:
Brazil