r-kblack at worldnet.att.net
Wed Feb 5 09:10:31 EST 1997
> Our lab has recently identified a problem we have had with
> identifying Enterococcus using Microscan. We thought we were isolating E.
> faecium which were vancomycin resistant. However, we have now found that
> they are probably not Enterococcus at all. The colonies are more alpha
> hemolytic than gamma and are whiter in appearance than E.fecalis. On
> Microscan they are BE + and
> NaCl neg. Due to the probability using the biochemicals in the remaining
> wells the isolate identifies as E. faecium without being an exception.
> 1. Are there any Microscan users out there experiencing the same
> 2. Any suggestions in a scheme an overworked, underpaid hospital
> laboratory can use to identify these organisms accurately? (We think they
> could be Pediococcus)
> you.I'm not a Microscan user, but almost all of our isolates of E. faecium
are alpha-hemolytic. We use the bio-Merieux API 20Strep system for
identification and it works great.
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