TYPES OF PRE-ANALYTICAL ERRORS IN CLINICAL HEMATOLOGY LABORATORY

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TYPES OF PRE-ANALYTICAL ERRORS IN CLINICAL HEMATOLOGY LABORATORY

Journal Title: International Journal of Medical Laboratory Research - Year 2017, Vol 2, Issue 2

Abstract

Background: Since, clinical laboratory results play an important role in patient’s diagnosis, investigation and treatment. Thus, errors with laboratory tests might lead to inappropriate medical decision-making. Such errors can be pre-analytical, analytical, and/or post-analytical errors. However, the vast majority of errors arise during manually intensive pre-analytical phase and more than 90% of errors occurred at the process outside the walls of the laboratory. This study aimed to assess the number of the frequency of pre-analytical errors occurring in a hemaetology laboratory at Hera’a General Hospital. Method: this study was a retrospective one and carried out in hematology lab at Hera’a General Hospital from January 2016 to December 2016. All samples received during this period in hematology lab were included. Results: total samples received in hematology lab were 110240 during the study period, out of which 2256 were rejected. The most frequent pre-analytical error was the clotted blood samples with 79%. The second most common cause was the haemolysed samples (9%), followed by insufficient blood volume (8%). This study also showed that the lowest cause for rejection was reported with the incomplete request. Moreover, the highest specimen rejection percentage was observed in intensive care unit. Discussion: the accurate laboratory results are vital for patient health. Thus, quality improvement in patients safety and healthcare would be improved with daily registration of pre-analytical errors occurring in the lab, proper sampling procedure training and education to all staff, coordination between lab and the hospital ward staff and computerization of the laboratory.

Authors and Affiliations

Haytahm Dahlawi

Keywords

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EP ID EP278574
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