Proficiency Testing Requirements

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Is anyone familiar with Oxicom made by Waters Medical? I am trying to get all of the supplies the Cath lab needs to perform QC and maintain compliance. PT testing material is not available from CAP.  A customer service rep from API told me that she didn't think those analyzers require PT since they are sent in every six months for calibrations. Does anyone know if this is correct?  

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API is incorrect. They do need PT but when we had them we did alternate PT.


Deanna Bogner 210-297-9657

A comparison with blood gas analyzer is what I did. 5 every 6 months, meets comparison and proficiency requirements.


Jean Roper

Related question- what does everyone do for O2Sat for PT/alternative assessment?  It states on CAP activity menu that O2Sat requires alternative assessment as no PT is available.  Does anyone know if an alternative assessment is required if the O2 sat is calculated.


 


Thanks,


Brian

Since they required a quarterly comparison to the blood gas analyzers, we treated that as the alternate PT and sent up blind specimens for them to run that we had already run in the lab.


Doesn’t the SO survey meet the requirements for PT Testing?  We used it for years.


Since the main lab does the PT testing (SO) for measured hgb and hgO2, we do AMR and correlation using RNA linearity product.


 


 



Donna McCalla, CLS ASCP


Point of Care Testing Coordinator


Lankenau Medical Center and Riddle Hospital


Main Line Health Hospitals


100 E Lancaster Ave


Wynnewood, PA 19096


LMC Phone:  484-476-3499


RH Phone:  484-227-3505


Pager:  5366



 




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Yes it is. I called CAP on this and was told that if you do a survey that covers the measured analytes used in the calculation then you are covered for the O2Sat, you just need to state that. The requirement is intended for areas like Cath Lab that only
report O2Sat and nothing else.





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I am planning to do a comparison with our Radiometer so we will have that. Deanna, just out of curiosity, what did you do for your alternative PT assessment?

  Below is the old procedure from the Oxicom. We had an AVOX/GEM that was the reference method at the time. We have not had OxiCom for 5 years now. They were breaking frequently and we were concerned that the parts would eventually not be available. This passes CAP during the time we had the Oxicom.



  • 1. Semiannually (Proficiency - No external survey available)

  • a. Performed semiannually and rotated among shifts.

  • b. Performed on a venous and a prepared ‘arterial' sample.

  • (1) Sample Preparation

  • (a) Obtain two green top tubes of blood from the same source.

  • (b) Using a 5ml syringe and 21 gauge needle, withdraw the blood out of one green top tube, taking care not to create an air space.

  • (c) Activate the safety closure on the needle. This is the venous sample.

  • (d) Adjust the O2 Sat to read between 60 and 72% on the Avoximeter by adding air to the syringe, if needed.

  • (e) Using a 10 ml syringe and 21-gauge needle, withdraw the blood out of the other green top tube.

  • (f) Aspirate as much air as possible into this syringe.

  • (g) Activate the safety closure on the needleand vigorously roll the syringe horizontally between your palms for 2 minutes. This is the prepared ‘arterial' sample.

  • (h) Adjust the O2 Sat to read between 90 and 99.9% on the Avoximeter.


 



  • (2) Sample Testing

  • (a) Run both specimens on the Avoximeter and record the results.

  • (b) Have a competent operator run both specimens on the Oxicom and record results.

  • (c) Acceptable range of results are readings from the Oxicom that are less than 3% different from the cooximeter.

Thank you Deanna! That's very helpful.

We do comparison every with a blood gas analyzer as well every 6 months. Do you send your instrument for calibration or do you just do it on your own in your facility?

CardinalHealth just sent out a webinar today for PT.


This may be helpful:


http://hosted.verticalresponse.com/647016/0eab342080/290383939/2f01552443/


 

Does anyone have a training form for the Oxicom 2100?  

Late to the party here, but I'm just starting in my position as POCT manager and was asked about what PT sample we use for sO2 by our clinical advisor. We are currently using GEM 5000's. Reading the comments, it seems like we are covered with the SO from CAP and our biannual correlations. We do have 2 Cath labs, but we report both hgb and sO2. Any input would be greatly appreciated!

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