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Istat cord ABG

Istat cord ABG

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I am in the process of validating the ref range for Cord ABG and VBG. ABBOTT IFU GIVES ME REFERENCE RANGES FOR ABG ART AND VENOUS only. My question is we don't get enough Cord samples to validate this so I am using reference ranges from my ABL 90. Can I do this. Thank you for your input. 

5 Replies
Andries Sigtenhorst
Mon Apr 08, 2024 at 8:02AM

You may want to check out the acceptable sample types for the Abbott blood gas cartridges. 

Vinita Thakur
Mon Apr 08, 2024 at 9:04AM

If you have verified istat against ABL 90 and verification was excellent then it is easy for you to transfer the reference range from another instrument. Please check CLSI guidelines for transference of reference range.

Giuseppa Mancuso
Wed May 29, 2024 at 3:07PM

Does anyone have reference ranges or critical ranges for cord blood gases run on the i-Stat?  Do you have your ranges entered into the i-Stat or just in your hospital computer system?
Thank you

Andries Sigtenhorst
Wed May 29, 2024 at 3:32PM

You may want to confirm that iSTAT has been validated for use with Cord blood samples. The IFU on their website for the CG4+ cartridge does not mention cord blood samples as being acceptable. (Highlighting is mine.)

The other cartridge types indicate capillary whole blood as being acceptable in addition to arterial and venous whole blood. None mentioned cord blood as an acceptable sample.

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EG7+
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EG6+
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EC8+
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Giuseppa Mancuso
Wed May 29, 2024 at 3:46PM

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I called i-Stat and they told me that cord blood is considered whole blood which is a value sample for them.

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