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Considerations on risk mitigating strategies for bacterial contamination of platelet concentrates - The Dutch
Pieter F van der Meer1, Vĕra M J Novotny2, Thomas L R Klei1
1Department of Product and Process Development, Sanquin Blood Bank, the Netherlands.
Abstract:
Due to their storage at room temperature, platelet concentrates are at risk for bacterial outgrowth if the unit is contaminated. Nowadays, various mitigation strategies are available, including bacterial screening and pathogen inactivation. Since pathogen inactivation technologies impact the clinical efficacy of the platelets, including but not limited to lower increments after transfusion and more significant bleeding, a balance needs to be struck between the safety and efficacy of platelet transfusions. In this Brief Review, we discuss the current situation in the Netherlands.
Insights
Platelet concentrates stored at room temperature risk bacterial contamination. Pathogen inactivation methods improve safety but can reduce platelet efficacy, necessitating a balance between safety and effectiveness in transfusion practices.
Area of Science:
- Transfusion Medicine
- Microbiology
- Clinical Efficacy
Background:
- Platelet concentrates stored at room temperature are susceptible to bacterial contamination and outgrowth.
- Bacterial contamination poses a significant risk to patient safety during platelet transfusions.
- Current mitigation strategies include bacterial screening and pathogen inactivation technologies.
Purpose of the Study:
- To review the current strategies for mitigating bacterial contamination in platelet concentrates.
- To discuss the impact of pathogen inactivation technologies on platelet transfusion efficacy.
- To analyze the balance between safety and efficacy in platelet transfusion practices within the Netherlands.
Main Methods:
- Literature review of current practices and technologies.
- Analysis of data on bacterial contamination rates and pathogen inactivation efficacy.
- Discussion of clinical outcomes related to platelet transfusions.
Main Results:
- Pathogen inactivation technologies reduce bacterial contamination but may affect platelet efficacy.
- Potential impacts include lower post-transfusion platelet increments and increased bleeding.
- A careful balance is required to optimize both safety and clinical effectiveness.
Conclusions:
- Effective strategies are needed to manage bacterial risk in platelet concentrates.
- Pathogen inactivation offers safety benefits but requires careful consideration of clinical impact.
- The Netherlands' approach to balancing safety and efficacy in platelet transfusions is discussed.
