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Related Experiment Videos

Fetal red cell staining: method evaluation.

S Apibal1, A Hongyantarachi, P Chiewsilp

  • 1Hematology Unit, Children Hospital, Bangkok, Thailand.

Journal of the Medical Association of Thailand = Chotmaihet Thangphaet
|January 1, 1992
PubMed
Summary
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This study compared acid elution methods for identifying fetal red blood cells in maternal blood. The Sanguansermsri amido black B technique proved superior in simplicity, accuracy, and speed for detecting fetomaternal hemorrhage.

Area of Science:

  • Hematology
  • Clinical Chemistry
  • Obstetrics

Background:

  • Acid elution techniques are crucial for identifying fetal red blood cells (fRBCs) in maternal circulation.
  • Fetomaternal hemorrhage (FMH) necessitates accurate fRBC quantification for clinical management.
  • Several acid elution methods exist, including Kleihauer-Betke and Sanguansermsri amido black B.

Purpose of the Study:

  • To comparatively evaluate the performance of various acid elution methods for fRBC identification.
  • To determine the most efficient and reliable method for clinical use in cases of suspected FMH.

Main Methods:

  • Comparative analysis of established acid elution techniques: Kleihauer-Betke, Boehringer Mannheim, Fetaldex, Nierhaus-Betke modification, and Sanguansermsri amido black B.
  • Evaluation criteria included simplicity, accuracy, precision, and time efficiency.

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Main Results:

  • The Sanguansermsri method using amido black B demonstrated significant advantages over other tested methods.
  • This technique was found to be simpler, more accurate, and more precise.
  • The Sanguansermsri method also required less time for analysis.

Conclusions:

  • The Sanguansermsri amido black B technique is recommended as a superior method for identifying fetal red blood cells.
  • Its efficiency and accuracy make it highly advantageous for diagnosing and managing fetomaternal hemorrhage.