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Diagnostic Comparison of Automated and Manual Blood Culture Systems in Detecting Bacteremia: A Retrospective Study in a Tertiary Hospital

Author(s) Saleh Alshalhoub, Hamad Alshammas, Mohammed Alghamdi, Alwaleed Almalki
Country Saudi Arabia
Abstract Background:
When diagnosing bloodstream infections (BSIs), blood culture is still considered the gold standard. This study examines the diagnostic accuracy of automated and manual blood culture systems in a tertiary care hospital.
Methods:
Using earlier documentation, we undertook a cross-sectional study on two hundred blood culture records which consisted of 300 with a hand-operated system and another 300 using an automated BACTEC/BacT-ALERT system. The retrieved samples were evaluated against several key parameters including positivity rate; contamination rate, time to detection, as well as pathogen distribution.
Results:
Compared to the manual method, the automated system demonstrated a higher positivity rate (37.3% vs 26%), lower contamination rate (1.7% vs 5.3%) and significantly shorter mean detection time (21.4 vs 44.6 hours). In all categories, common organisms recovered including Escherichia coli, Staphylococcus aureus, and Klebsiella pneumoniae had their recovery rates augmented by the automated system.
Conclusion:
Enhanced sensitivity, faster detection, decreased contamination, and improved overall performance make a strong case for incorporating automated systems into high-volume and critical care environments. In contrast, manual methods are more appropriate in resource-constrained settings. However, automation offers clear surgical and operational benefits in the treatment of septicemia.
Field Medical / Pharmacy
Published In Volume 15, Issue 2, April-June 2024
Published On 2024-05-08
Cite This Diagnostic Comparison of Automated and Manual Blood Culture Systems in Detecting Bacteremia: A Retrospective Study in a Tertiary Hospital - Saleh Alshalhoub, Hamad Alshammas, Mohammed Alghamdi, Alwaleed Almalki - IJSAT Volume 15, Issue 2, April-June 2024. DOI 10.5281/zenodo.15259008
DOI https://doi.org/10.5281/zenodo.15259008
Short DOI https://doi.org/g9f8sv
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