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目的探讨临床血钾检测结果季节性波动的原因。方法分别对2007年和2008年的临床血钾检测结果进行统计分析,并对样本不同贮存条件下的血钾结果进行实验研究。结果临床血钾检测结果呈明显季节性波动,冬季结果明显高于夏季结果,高低值相差0.4mmol/L。样本采集后贮于30℃下3小时后,其检测值偏低0.123mmol/L,贮于10℃下、3小时后,其检测值偏高0.262mmol/L。结论血钾季节性波动与室温相关,应设法控制好检测前样本的贮存条件。
Objective To investigate the causes of seasonal fluctuations of clinical potassium test results. Methods The results of clinical potassium test in 2007 and 2008 were statistically analyzed, and the results of serum potassium in different storage conditions were tested. Results The results of clinical serum potassium showed obvious seasonal fluctuations, the results in winter were significantly higher than those in summer, the difference between high and low was 0.4 mmol / L. After the samples were collected and stored at 30 ℃ for 3 hours, the detection value was low 0.123mmol / L and stored at 10 ℃. After 3 hours, the measured value was 0.262mmol / L. Conclusion The seasonal fluctuation of serum potassium is related to room temperature, and the storage conditions of samples before testing should be controlled.