Impact of preanalytical storage on the measurement of erythrocyte sedimentation rate using an infrared microphotometer system (TEST1)

Performance comparison of Westergren modified SRS 100/II and alternate iSED® method for erythrocyte sedimentation rate

“…Another study on the same analyzer showed a significant decrease of ESR values when samples were stored at room temperature for 48 h 5 . Finally, a recent stability study on ESR stability on infrared microphotometer system TEST1 analyzer during 8 h at room temperature showed that samples are unaffected at these storage conditions 25 …”

“…5,9,13 Another study on the same analyzer showed a significant decrease of ESR values when samples were stored at room temperature for 48 h. 5 Finally, a recent stability study on ESR stability on infrared microphotometer system TEST1 analyzer during 8 h at room temperature showed that samples are unaffected at these storage conditions. 25 To the best of our knowledge, this is the first study dealing with the short-term stability of citrate and EDTA anticoagulated whole blood at room temperature on a larger sample size. It is crucial to determine whether this preanalytical factor could affect ESR values since these are conditions which most laboratories face in their routine practice.…”

Establishment and Evaluation of an Internal Quality Control Method for ESR Relays

“…In 2017, this method was listed by the International Council for Standardization in Haematology (ICSH) as a practical alternative to the Westergren method for ESR testing. 3 , 4 Good practice for internal quality control is an important component in the overall quality system of a Laboratory and is also the foundation for guaranteeing the accuracy of test results. 5 , 6 Applying operating calibrator and quality control for the TEST1 ESR Analyzer are both costly and long ordering period and matrix effect, 7 because the equipment is imported, although the charge for taking an ESR test is very low.…”