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Related Experiment Videos

The erroneous haemoglobin-hyperlipidaemia relationship

P D Nicholls

    Journal of Clinical Pathology
    |July 1, 1977
    PubMed
    Summary
    This summary is machine-generated.

    Hyperlipidaemia, or high lipid levels, can falsely elevate haemoglobin readings. The degree of this erroneous rise in haemoglobin correlates with the type and severity of hyperlipidaemia.

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    Area of Science:

    • Clinical Chemistry
    • Hematology

    Background:

    • Hyperlipidaemia, a condition of elevated blood lipid levels, can be primary or secondary to treatments like parenteral nutrition.
    • Spectrophotometric measurement of haemoglobin is a standard clinical laboratory test.

    Observation:

    • Intravenous lipid emulsions used in parenteral feeding can lead to hyperlipidaemia.
    • Previous reports suggested a potential impact on haemoglobin measurements, but the relationship was not fully elucidated.

    Findings:

    • This study presents evidence that hyperlipidaemia causes an erroneously high haemoglobin level when measured spectrophotometrically.
    • A correlation exists between the magnitude of the false haemoglobin rise and the specific type and severity of hyperlipidaemia.

    Implications:

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    • Clinicians should be aware of this spectrophotometric interference when interpreting haemoglobin levels in patients with hyperlipidaemia.
    • Further research may be needed to develop methods to correct for this interference in laboratory diagnostics.