6.1.1.3 Analytical Bias by Contamination from Hemolysis in Determination of Serum Lactate Dehydrogenase Isoenzyme 1 in Patients with Testis Germ Cell Tumors

  • Finn Edler von Eyben
  • Per Hyltoft Petersen
  • Ole Blaabjerg
  • Ebbe Lindegaard Madsen
  • Bent Nørgaard-Pedersen
  • Jørgen Arends

Abstract

We investigated the impact of correction for contamination from hemolysis on serum lactate dehydrogenase isoenzyme 1 (S-LD-1) determinations. A study of hemolysates from 7 control patients showed a mean correction factor for the contamination of 0.1 U/L S-LD-1 for each 1 mg/L serum hemoglobin (S-Hb). S-LD-1 in a series of blood samples from 44 patients (EJC 1992;28:410–5) would decrease median 24 U/L (range 8–70 U/L) if the measurements were corrected with this factor. So we advice to correct S-LD-1 determinations for the contamination with a common correction based on the S-Hb concentrations in the samples.

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Published
1993-09-01
How to Cite
Edler von Eyben, F., Hyltoft Petersen, P., Blaabjerg, O., Lindegaard Madsen, E., Nørgaard-Pedersen, B., & Arends, J. (1993). 6.1.1.3 Analytical Bias by Contamination from Hemolysis in Determination of Serum Lactate Dehydrogenase Isoenzyme 1 in Patients with Testis Germ Cell Tumors. Upsala Journal of Medical Sciences, 98(3), 293-298. https://doi.org/10.3109/03009739309179323
Section
Original Articles

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