APS patients and INR (finger stick) machines

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Warrick

Well-known member
Joined
Dec 26, 2015
Messages
776
Location
New Zealand
Well up until 20 minutes ago I'd never heard of antiphospholipid antibody syndrome (APLA syndrome), it's a blood clotting disorder which requires many to be on warfarin.

INRs from POC machines (such as coagucheks) are unreliable in about 1/3rd of patients with the clotting disorder. http://www.apsfa.org/fingerstick.htm

And it seems suffers are more prone to valvular heart disease
https://www.ncbi.nlm.nih.gov/pubmed/23456852

https://academic.oup.com/ejcts/article/37/1/154/364046

Found this interesting because I can't recall anyone here being a sufferer, and it hi-lights a limitation of POC machines I wasn't aware of for some warfarin users.
 
Hi
Yes, there are one or two other disorders which render coaguchek (and indeed some lab methods) useless.

Makes you more grateful that you are one of the majority in a minority group dunnit..
 
I have wondered if I don't have something going on with my blood that makes my Coagucheck give readings that are high.

But then, why was the InRatio so close to labs blood draw.

I am thinking I am going to try a different meter.
 
Jamey T;n880482 said:
I have wondered if I don't have something going on with my blood that makes my Coagucheck give readings that are high.
its possible.

how high ... can you provide a few data points? What sort of lab draw?
 

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