Quality control for microbiological culture media: Is it enough to follow the NCCLS M22-A2 procedures?
Braz. J. Microbiol.
; 342003.
Article
in En
| VETINDEX
| ID: vti-443753
Responsible library:
BR68.1
ABSTRACT
Stringent quality control protocols must be used in order to guaranty that a particular medium is able to recover all sort of organism that may be present in clinical samples. Our aim was to evaluate an alternative protocol that would allow us to detect medium failure to yield quantitative growth of selected pathogens, and compare with the document M22-A2 from NCCLS. The detection limit of Haemophilus influenzae was significantly different depending on media source. We conclude that for some fastidious microorganisms, quantitative verification of the growth capacity of the culture medium is advised.
RESUMO
O uso de protocolos de controle de qualidade com padrões rígidos devem ser utilizados para garantir o isolamento dos microrganismos. Nosso objetivo foi o de avaliar um procedimento alternativo que nos permitisse detectar falhas de crescimento bacteriano em termos quantitativos, e comparação com o protocolo estabelecido pelo documento M22-A2 do NCCLS. Haemophilus influenzae apresentou diferença significativa de crescimento entre meio de cultivo de fontes distintas. Nos concluímos que, para alguns microrganismos fastidiosos, seja feita uma verificação quantitativa da capacidade de crescimento de cada meio de cultivo.
Full text:
1
Collection:
01-internacional
Database:
VETINDEX
/
LILACS
Type of study:
Guideline
Language:
En
Journal:
Braz. J. Microbiol.
/
Braz. j. microbiol
Journal subject:
MICROBIOLOGIA
Year:
2003
Document type:
Article
Country of publication:
Brazil