John,
Our Radiometer runs at about -10% of lab and ALTM do you find this?
Regards,
Edward
>>> [log in to unmask] 11/15/02 03:29pm >>>
As far as the analytical side goes, our NEQAS returns are good, as is
the
correlation with the main analysers in the department. Neither the
technical
staff or myself are aware of the controversy you have mentioned
regarding
one off bilirubin in sick neonates.
John Fry
Clinical Biochemist
> ----------
> From: PETER HOWELL[SMTP:[log in to unmask]]
> Reply To: ACB Point of Care Testing List
> Sent: 15 November 2002 13:18
> To: [log in to unmask]
> Subject: Re: Bilirubinometers
>
> Isn't there some 'controversy' about how good these analysers are at
> measuring bilrubin ??
>
> And its OK if you are also measuring blood gases/ electrolytes at the
same
> time, but not really for just a one-off bilirubin on a 'well' baby.
>
> Peter
>
> Peter Howell
> Head Biomedical Scientist
> Medical Biochemistry Department
> Wrexham Maelor Hospital
> Wrexham
>
>
> > -----Original Message-----
> > From: Fry, John [SMTP:[log in to unmask]]
> > Sent: 15 November 2002 13:16
> > To: [log in to unmask]
> > Subject: Re: Bilirubinometers
> >
> > One possible answer is to purchase one of the Radiometer 7 series
blood
> gas
> > analysers which incorporates an analytical uniit for bilirubin
assays on
> the
> > whole blood sample. Centrifugation of capillary samples is then a
part
> of
> > history.
> >
> > John Fry
> > Worthing Hospital
> >
> > > ----------
> > > From: Evans, Francis -
> RCHT[SMTP:[log in to unmask]]
> > > Reply To: ACB Point of Care Testing List
> > > Sent: 15 November 2002 11:58
> > > To: [log in to unmask]
> > > Subject: Re: Bilirubinometers
> > >
> > > I have been concerned for 'ages' about the infection risk
involved in
> > > spinning capillaries for bilirubins in our SCBU laboratory. We
do
> have a
> > > separate lab to contain the gas analyser and bilirubinometer but
the
> > > aerosol
> > > problem when capillaries leak and eject their contents is of
> considerable
> > > concern. I have not been able to get any manufacturer to supply
a
> > > properly
> > > sealed rotor to contain spills.
> > >
> > > I would also be interested to hear other views on suitable
> alternatives.
> > >
> > > Francis Evans
> > > Chief BMS
> > > Clinical Chemistry
> > > Royal Cornwall Hospitals Trust
> > > Truro TR1 3LJ
> > >
> > >
> > >
> > > -----Original Message-----
> > > From: Paul Eldridge [mailto:[log in to unmask]]
> > > Sent: Friday, November 15, 2002 10:05
> > > To: [log in to unmask]
> > > Subject: Bilrubinometers
> > >
> > >
> > > I have sent this to both the POCT list and ACB clin chem list.
> Apologies
> > > to those who get it twice.
> > > Two problems/questions:
> > > 1. Infection in ward areas by centrifuges.
> > > It has been reported by a new paediatric doctor here that
> > > bilirubinometers have been removed from wards in 2 SW London
hospitals
> > > because of infection risks from the centrifuges used to spin down
the
> > > capillary tubes.
> > > Have others experienced this problem?
> > > Is there a centrifuge available that can be sealed?
> > > Is there any good experience with non invasive bilirubin
measurements?
> > >
> > > 2. We recently replaced our TIME ward bilirubinometer with the
Digital
> > > Analogue Systems NEO BIL instrument distributed by Schuco in the
UK.
> It
> > > very simple to operate by the ward staff but cannot be calibrated
by
> the
> > > lab. It has a non linear response noted by positive bias below
300 and
> > > negative above this level. This has been shown by studies on
EQAS
> > > samples and our dilution studies.
> > > Do others have the problem and how do you overcome it ?
> > >
> > > Many thanks in advance.
> > >
> > >
> > > Dr Paul H Eldridge
> > > Clinical Biochemist
> > > University Hospital Lewisham
> > > London SE13 6LH
> > > UK
> > > Phone: (44) 020 8333 3255
> > > Fax: (44) 020 8690 8891
> > >
> > >
> > > [log in to unmask]
> > >
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Mr E M Kearney, MSc, MCB, FRCPath,
Consultant Clinical Biochemist,
Department of Clinical Biochemistry,
East Kent Hospitals NHS Trust,
Queen Elizabeth the Queen Mother Hospital,
St Peters Road,
Margate,
CT9 4AN
Phone 01843 234424
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