AI Article Synopsis
- The study investigates a new fixed-time protocol for measuring unbound bilirubin (UB) levels in newborns, as an alternative to the more time-consuming original glucose oxidase-peroxidase (GOD-POD) method.
- Researchers hypothesized that measuring total bilirubin (TB) decrease over set time intervals could accurately estimate UB levels.
- Results showed that the fixed-time protocol, particularly in 20-40 second intervals, correlated strongly with the original method and offered high precision in measurement.
Article Abstract
Background: In the original glucose oxidase-peroxidase (GOD-POD) protocol, the time required to decrease the initial total bilirubin (TB) level by 20% is used for unbound bilirubin (UB) calculation. However, it needs to continuously monitor the TB levels by spectrometry.
Methods: Here, we hypothesized that the TB decrease during fixed time periods can also be used to extrapolate UB values (fixed-time protocol). Serum UB levels measured by the different protocols were compared using 10 newborn serum samples.
Results: Serum UB levels determined using the fixed-time protocol, especially using periods of 10 - 40 seconds, were strongly correlated with those determined using the original protocol (coefficient of determination > 0.9). The fixed-time protocol, using periods of 20 - 60 seconds, showed the high measurement precision (coefficient of variation < 5%).
Conclusions: The fixed-time protocol, using periods of 20 - 40 seconds, can help determine serum UB levels as effectively as the original protocol.
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| http://dx.doi.org/10.7754/Clin.Lab.2021.210617 | DOI Listing |
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