Jump to content

Verification of Vesmatic ESR analyzer


Yolandalau

Recommended Posts

Hi all,

We are getting a new vesmatic ESR analyzer, for the verification of the trueness (accurate)  in accordance to CLSI standard, must we compare results with the standard westergren method? or are we allowed to compare results with a verified vesmatic analyzer from other hospital , or to use EQAP materials?

Thanks!!

Yolanda

Edited by Yolandalau
Link to comment
Share on other sites

  • 2 weeks later...

Hi,

I work at the lab of a public sector teaching hospital. Recently we shifted from manual to automated ESR analyzer by Vesmatic, and discussed our case with our QA team as well as people from ISO 15189. We were advised to validate the analyzer from another vesmatic validated analyzer as we cannot compare apples with oranges (oranges in this case is the manual method). 

 

Regards

Link to comment
Share on other sites

I am not familiar with ISO 15189 standards--at a minimum you obviously have to follow them, along with manufacturer's requirements--but it seems to me...

...like you are being advised to validate a particular analyzer by comparing it to another exactly the same, which presumably was compared to another exactly the same, which was...

With any new method, you must show correlation with a previous method, in this case, your manual method.  Comparing it to an analyzer at another facility seems rather pointless.  (The exception being if the other facility is part of your system, and you use the same procedures and reference ranges).

You should also be doing a reference range study to validate your reference range, especially if there is significant variance in the correlation.  It has been our experience that automated methods correlate pretty well with the old manual ESRs.

Scott

Link to comment
Share on other sites

Create an account or sign in to comment

You need to be a member in order to leave a comment

Create an account

Sign up for a new account in our community. It's easy!

Register a new account

Sign in

Already have an account? Sign in here.

Sign In Now
  • Advertisement

×
×
  • Create New...

Important Information

We have placed cookies on your device to help make this website better. You can adjust your cookie settings, otherwise we'll assume you're okay to continue.