A simple method for measuring fetal hemoglobin by co-oximetry.

Area of Science:

• Biomedical Engineering
• Clinical Chemistry

Background:

• Fetal hemoglobin (HbF) plays a crucial role in oxygen transport in newborns.
• Accurate quantification of %HbF is essential for diagnosing and managing various hematological conditions.

Purpose of the Study:

• To present a simple, rapid, and accurate method for assessing the fetal hemoglobin fraction (%HbF).
• To provide an alternative to complex existing methods for %HbF quantification.

Main Methods:

• Utilizes two co-oximeters with differential interference from fetal hemoglobin.
• Requires only one measurement per instrument and a single calculation.
• Avoids complex optical absorbance measurements or solving simultaneous equations.

Main Results:

• The difference in HbF-induced interference between two co-oximeters provides a quantitative measure of %HbF.
• The method yields a useful estimation of %HbF with minimal measurements.
• Demonstrates applicability for quantifying other compounds with differential co-oximeter interference.

Conclusions:

• This novel method offers a straightforward and rapid approach for %HbF assessment.
• The technique is adaptable for quantifying other analytes where differential instrument interference exists.
• Presents a valuable tool for clinical laboratories seeking efficient diagnostic methods.