Haemoglobin Analysis Using Reflectance Photometry
Author Information
Author(s): John A. Lott, Elias Khabbaza
Primary Institution: The Ohio State University Medical Center
Hypothesis
The study aims to evaluate the Seralyzer reflectance photometer and reagent strip system for haemoglobin analysis in whole blood.
Conclusion
The Seralyzer provides medically acceptable results for whole blood haemoglobin analysis without interference from bilirubin, carbon monoxide, or lipaemia.
Supporting Evidence
- The Seralyzer showed good agreement with the Coulter-S across all sites.
- Results indicated no significant bias below 19 g/dl haemoglobin.
- The method was easy to perform with proper training.
- Interference studies showed negligible effects from bilirubin and lipaemia.
Takeaway
This study tested a new machine that measures haemoglobin in blood, and it works well without being affected by other substances.
Methodology
The study compared haemoglobin measurements from the Seralyzer and Coulter-S using fresh patient specimens across three laboratories.
Potential Biases
There was a significant positive bias for specimens with haemoglobin above 19 g/dl.
Limitations
The Seralyzer cannot be used for specimens with less than 5 g/dl haemoglobin.
Participant Demographics
Fresh whole blood specimens from patients were used.
Statistical Information
Statistical Significance
p<0.05
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