LABOSUD Laboratory (Inovie Member), Montpellier, France.
Scand J Clin Lab Invest. 2021 Feb;81(1):82-84. doi: 10.1080/00365513.2020.1855363. Epub 2020 Dec 3.
Roche Diagnostics decided a more restrictive haemolysis index (≤20 HI) for approval the release of serum potassium results. This study examined the risk of overestimating serum potassium results related to the HI according to the Ricos total error (±5.6%) and evaluated the approach of Martinez-Morillo and Alvarez to determine a corrected potassium. According to Ricos' criteria, our study showed compliant potassium results with HI less than or equal to 75. Between 90 and 100 HI, the results did not show a significant overestimation. The equation to obtain K was: K - (0.004 × HI). The use of corrective formulas for adjusting results of potassium could help the laboratory to identify patients at increased risk and to repeat the test as soon as possible.
罗氏诊断公司决定采用更严格的溶血指数（≤20HI）来批准血清钾结果的放行。本研究根据 Ricos 总误差（±5.6%）检查了与 HI 相关的血清钾结果高估的风险，并评估了 Martinez-Morillo 和 Alvarez 确定校正钾的方法。根据 Ricos 的标准，我们的研究显示 HI 小于或等于 75 的钾结果符合要求。在 90 到 100HI 之间，结果没有显示出显著的高估。获得 K 的方程为：K-（0.004×HI）。使用校正公式调整钾结果可以帮助实验室识别风险增加的患者，并尽快重复测试。
