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Evaluating the Effectiveness of Blood Culture Collection Protocols in Reducing Contamination Rates: A Collaborative Study Between Laboratory Specialists and Nurses in a Tertiary Hospital

Author(s) Ali A. Alshehri, Laila M. Alshaikh
Country Saudi Arabia
Abstract Background: Blood culture contamination is a persistent issue in healthcare, leading to false-positive results, unnecessary treatments, and increased costs. This study evaluated the impact of a standardized blood culture collection protocol on contamination rates in a tertiary hospital.
Methods: A prospective, quasi-experimental study was conducted over six months, involving 50 nurses and 10 laboratory specialists. Pre- and post-intervention contamination rates were compared, with the intervention including standardized protocols, targeted training, and feedback sessions. Data were analyzed using descriptive statistics and paired t-tests.
Results: The contamination rate decreased significantly from 8.0% pre-intervention to 3.0% post-intervention (p < 0.001). Improvements were observed across clinical units, with the emergency department showing the greatest reduction (10.5% to 4.2%). Adherence to key protocol steps, such as proper skin antisepsis and optimal blood volume collection, increased from 75% to 95% and 70% to 93%, respectively.
Conclusion: Implementing a standardized blood culture collection protocol, supported by training and interdisciplinary collaboration, significantly reduces contamination rates, improving diagnostic accuracy and patient outcomes. Sustained adherence to such protocols is essential for maintaining low contamination rates.
Keywords blood culture contamination, standardized protocol, skin antisepsis, interdisciplinary collaboration, tertiary hospital, patient safety.
Published In Volume 9, Issue 3, July-September 2018
Published On 2018-07-04
Cite This Evaluating the Effectiveness of Blood Culture Collection Protocols in Reducing Contamination Rates: A Collaborative Study Between Laboratory Specialists and Nurses in a Tertiary Hospital - Ali A. Alshehri, Laila M. Alshaikh - IJSAT Volume 9, Issue 3, July-September 2018. DOI 10.5281/zenodo.14500532
DOI https://doi.org/10.5281/zenodo.14500532
Short DOI https://doi.org/g8vqsw
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