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  • Title: Negligible Specimen Hemolysis Is Observed With Sarstedt S-Monovette Coagulation Tubes in Aspiration Mode.
    Author: Çat A, Uçar KT.
    Journal: Am J Clin Pathol; 2022 Oct 06; 158(4):494-498. PubMed ID: 35849104.
    Abstract:
    OBJECTIVES: We aimed to compare the levels of hemolysis in the blood collected using the vacuum and aspiration modes via Sarstedt S-Monovette coagulation tubes. METHODS: Forty volunteers were included in the study. Blood samples were collected using two different modes in the S-Monovette citrate tube (Sarstedt AG). Prothrombin time, active partial thromboplastin time, fibrinogen, and D-dimer analyses were performed using the STA-Compact-Max 3 analyzer (Stago). The hemolysis levels of the samples were measured by both Stago's semiquantitative hemolysis index (H-index) module and the quantitative H-index measurement of the Roche cobas 6000 (Roche Diagnostics) analyzer. RESULTS: Roche's quantitative H-index values were statistically significantly lower in the aspiration mode. No clinically significant difference was observed between coagulation test results. CONCLUSIONS: Using the S-Monovette citrate tubes can reduce spurious hemolysis and improve patient safety.
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