Dear Colleagues,
I have a question for the users of the Roche Cardiac Reader for troponin T
measurement.
The package insert is very blunt about the required sample type indicating
that only venous (in bold) samples with heparin (in bold) are acceptable
(followed by an exclamation mark). Serum and plasma are specifically
excluded (presumeably meaning separated blood) as is the use of citrate,
EDTA, fluoride or gel tubes and capillary collection. A maximum storage of
8 hours at room temperature (do not refrigerate) is also specified.
Do any list members have any experience with other matricies, eg serum,
plasma, EDTA whole blood, heparin whole blood from a gel tube or
information about storage longer than 8 hours.
We are going to place the instrument in a small, remote laboratory which
receives samples from even remoter doctors (ie it will not be used as a
point of care instrument). In practice I am sure that these issues will
arise with other sample types and delayed delivery and we need to know how
to respond. Finding out ourselves would be expensive and possibly difficult
with the fairly poor precision on the instrument.
Thank you in advance for your assistance.
Regards,
Graham
Graham Jones
Staff Specialist in Chemical Pathology
St Vincent's Hospital, Sydney
Victoria St, Darlinghurst, 2010
NSW, Australia
Ph: (02) 8382-2170 Fax (02) 8382-2489
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