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KMID : 1101220010330020148
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2001 Volume.33 No. 2 p.148 ~ p.154
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Comparison of Glass Serum Separation tubes(SST) with Plastic Serum Separation Tubes(SST Ⅱ PLUS) in Testing 26 Chemistry Analytes
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Shin Ok-Hyun
Lee Eun-Joo
Kim Kag-Hyun
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Abstract
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Serum separation tubes(SST) conπibute to the reduction of laboratory errors and to the automation of testing processes. However, the glass tubes may be liable to breakage when they are inadvertently dropped on a hard surface or when the caps are opened. This increases the risk of puncture wounds and contamination of the blood. Recently, plastic blood-drawing tubes with potential advantage providing more safety to laboratory employees have been introduced. We evaluated the usefulness of plastic evacuated blood-drawing tubes(SST Ⅱ PLUS) in compared with the glass tubes in testing 26 chemistry analytes. There were no statistically significant differences between the analytes in the SST and in the SST Ⅱ PLUS tubes or the period of storage in most assays. Some analytes including CO2, TG, AST, ALT, LDH showed a significant difference between the types of tubes. However, these differences were probably caused by the instability of the samples(e.g., CO2) or between-run variability and are not considered clinically significant. The values of K, Cl and CO2 also showed no statistically significant differences by the storage time. However, K value in blood drawn in plastic tubes showed no significant difference for up to 5 days. In conclusion, the plastic SST Ⅱ PLUS tubes can be substituted for the glass SST tubes in routine chemistry analysis.
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KEYWORD
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SST, SST Ⅱ PLUS
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