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General and Specialized Biochemistry Image Preeclampsia
2023 EQA SCHEMES
EQA 2023 - Biological Markers of Preeclampsia (PREE)
Expert Biologists - Scheme Coordinators:
Louis LACAILLE and Bernard POGGI
EQA performed since 2021
Number of participating laboratories in 2022: 30

1 - Scheme Overview

This external quality assessment scheme assesses the accuracy of the assay of 3 serum markers used in the screening and monitoring of preeclampsia: sFlt1 (Soluble fms-like tyrosine kinase-1), PAPP-A (Pregnancy-associated plasma protein A) and PlGF (Placental growth factor).

2 - Assessment Frequency

Number of surveys per year: 4
Number of control samples per survey: 1 or 2
Number of samples per year: 7

3 - List of Analytes Assessed 

  • sFlt1 (Soluble fms-like tyrosine kinase-1)
  • PlGF (Placental growth factor)
  • sFlt-1/PlGF Ratio
  • PAPP-A (Pregnancy-Associated plasma protein A)

4 - Description of the Control Samples

Human or animal origin control serums in lyophilized form (samples to be resuspended in 1 or 2 mL of distilled water).

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