Bacterial Contamination in Diversion Pouch during Blood Collection
Journal name: The Malaysian Journal of Medical Sciences
Original article title: Prevalence of Bacterial Contamination when using a Diversion Pouch during Blood Collection: A Single Center Study in Malaysia
The Malaysian Journal of Medical Sciences (MJMS) is a peer-reviewed, open-access journal published online at least six times a year. It covers all aspects of medical sciences and prioritizes high-quality research.
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Original source:
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Norlaili JUMAAH, Sanmukh Ratilal JOSHI, Doblin SANDAI
The Malaysian Journal of Medical Sciences:
(A peer-reviewed, open-access journal)
Full text available for: Prevalence of Bacterial Contamination when using a Diversion Pouch during Blood Collection: A Single Center Study in Malaysia
Year: 2014
Copyright (license): CC BY 4.0
Download the PDF file of the original publication
Summary of article contents:
Introduction
Transfusion transmitted bacterial infections (TTBI) pose a significant challenge to blood transfusion services, particularly in the United States where bacterial contamination of blood products is a leading concern. The risk of TTBI has decreased since the 1980s, thanks to various strategies aimed at enhancing blood safety. However, most bacterial contaminations arise from commensal skin flora introduced during venipuncture. The implementation of diversion pouches during blood collection, which redirect the initial blood flow away from the primary collection bag, is crucial in minimizing this risk. This study, conducted at Hospital Seberang Jaya in Penang, Malaysia, aimed to evaluate the prevalence of bacterial contamination in diversion pouches used during blood collection procedures.
Importance of Diversion Pouches
The findings indicated that diversion pouches effectively reduce the risk of bacterial contamination, with only 1.7% of tested samples showing contamination. The identified bacterial species included coagulase-negative Staphylococcus, Staphylococcus aureus, and Gram-positive Bacilli, all of which predominantly stem from the donor's skin. The study demonstrated that contamination levels were particularly notable in the initial 20 mL of collected blood, supporting the practice of excluding this portion through the use of diversion pouches. Recent studies have shown that this technique can significantly decrease contamination rates by as much as 88%, highlighting its importance as a standard operating procedure in blood collection practices.
Conclusion
In conclusion, the use of diversion pouches is essential for reducing bacterial contamination during blood collection, thereby enhancing the safety of blood transfusions. Although the contamination rates observed in this study were relatively low, they underscore the necessity for ongoing adherence to protocols that involve proper disinfection of the venipuncture site and the consistent use of diversion pouches. Improving these practices can further mitigate the risks associated with TTBI, aiming towards the ultimate goal of achieving a "zero risk" environment in blood transfusion services. Ongoing education and adherence to standard operating procedures for blood collection are imperative for maintaining safety standards and ensuring greater public trust in blood donation systems.
FAQ section (important questions/answers):
What is the purpose of using diversion pouches in blood collection?
The diversion pouches are implemented to minimize the risk of bacterial contamination by directing the initial blood flow away from primary bag collections during blood donation.
What were the findings regarding bacterial contamination in this study?
The study found that out of 702 samples, 12 (1.7%) were contaminated, with identified bacteria including coagulase-negative Staphylococcus, Staphylococcus aureus, and Gram-positive Bacilli.
How do the authors suggest reducing bacterial contamination further?
To further reduce bacterial contamination, the authors advocate strict adherence to standard operating procedures, including effective disinfection methods and the use of diversion pouches during blood collection.
What microbial species were identified from the contaminated blood samples?
The study identified coagulase-negative Staphylococcus, Staphylococcus aureus, and Gram-positive Bacillus as the bacterial species found in the contaminated diversion pouches.
Glossary definitions and references:
Scientific and Ayurvedic Glossary list for “Bacterial Contamination in Diversion Pouch during Blood Collection”. This list explains important keywords that occur in this article and links it to the glossary for a better understanding of that concept in the context of Ayurveda and other topics.
1) Blood:
Blood is the vital fluid in the circulatory system of humans and many animals. It plays a critical role in transporting oxygen and nutrients to cells while removing waste products. The study of blood focuses on its components, functions, and the implications of its contamination during procedures like transfusions, where infection risks like bacterial presence are significant.
2) Study (Studying):
The term 'study' refers to a systematic investigation of a specific topic, in this instance, the prevalence of bacterial contamination in diversion pouches during blood collection. This research is crucial for improving blood safety, guiding medical practices, and contributing to the understanding of how to minimize risks during blood transfusions.
3) Aureus:
Aureus, referring specifically to the bacterium 'Staphylococcus aureus,' is a significant pathogen that can cause various infections, including those associated with blood transfusions. Its presence in contaminated blood poses severe health risks for patients and highlights the need for improved practices in blood collection and storage to mitigate such infections.
4) Table:
In the context of this study, 'table' likely refers to data tables summarizing results, such as the number of contaminated samples or identified bacterial species. These tables facilitate the clear presentation of findings, enable straightforward comparisons, and aid comprehension of complex datasets for researchers, clinicians, and policymakers alike.
5) Sang:
The word 'sang' translates to 'blood' in French and is commonly used in medical literature relating to hematology and transfusion medicine. Understanding the complexities of blood and its properties is essential in studying bacterial contamination and improving practices within institutions that handle blood collections and transfusions.
6) Species:
The term 'species' refers to distinct biological classifications of organisms. In the context of this study, it pertains to the identification of bacterial species isolated from contaminated blood samples. Understanding what bacterial species are present is critical for assessing risks, developing appropriate treatment protocols, and ensuring blood safety.
7) Medicine:
Medicine refers to the science and practice of diagnosing, treating, and preventing disease and injury. It encompasses various fields, including transfusion medicine which focuses on safety practices and the study of blood-related infections like bacterial contamination, ultimately improving patient outcomes through evidence-based practices.
8) Entering:
Entering, within this context, refers to the process by which contaminants, particularly bacteria from skin flora, can enter the bloodstream during venipuncture. Understanding how and when these contaminants gain entry is crucial for developing effective protocols to minimize risks associated with blood collection and transfusion.
9) Surface:
Surface pertains to the external layer of the skin where contaminants can reside. In blood collection, the cleanliness of the surface where venipuncture occurs significantly affects contamination rates. Proper disinfection of the skin's surface prior to drawing blood is crucial to reduce bacterial transmission during the process.
10) Jaya:
Jaya is the name of a hospital located in Penang, Malaysia, where the study took place. This setting is significant because it reflects local practices and challenges faced in blood collection and transfusion safety, showcasing the need for targeted investigations into bacterial contamination within this healthcare environment.
11) Post:
The term 'post' can refer to the after-effects or consequences following an event. In this study, it may pertain to post-transfusion reactions, although it primarily emphasizes the importance of post-collection practices and monitoring to ensure the ongoing safety of blood products after collection and during storage.
12) Viru:
Viru is derived from 'virus' and pertains to infectious agents that can cause diseases. While directly associated with viral transmission, this study underscores the importance of differentiating between bacterial and viral risks in blood products, as both pose significant threats to recipient safety during transfusions.
13) Transmission:
Transmission refers to how infections spread from one host to another. The focus on transmission in the context of this study emphasizes how bacterial presence in blood products can lead to diseases in recipients and highlights the critical importance of minimizing transmission risks during blood collection and transfusion procedures.
14) Calculation:
Calculation in this context relates to the statistical analysis performed to determine the prevalence of bacterial contamination within the studied samples. Accurate calculations are essential for interpreting research data, guiding clinical practices, and informing policy decisions regarding blood safety and infection control strategies.
15) Relative:
Relative references a comparative aspect often used in statistical analyses, indicating how one variable holds significance compared to another. In the study, relative prevalence rates of bacterial contamination can help in understanding infection risks associated with blood collection, providing context for safety improvements in transfusion practices.
16) Disease:
Disease refers to pathological conditions affecting the body that can arise as a direct consequence of bacterial contamination in blood products. Understanding the relationship between disease risks and contamination rates is essential for maintaining safe blood transfusion practices and ensuring patient health and safety.
17) Company:
Company, in this context, likely refers to Becton, Dickinson and Company, the manufacturer of the BD Bactec detection system used in this study. Understanding the role of such companies in providing diagnostic tools is vital to enhance blood safety practices and support research in transfusion medicine.
18) Chang:
Chang is likely a reference to an author or researcher associated with prior studies referenced in this research. Including well-established authors helps build credibility in scientific discourse and suggests established methodologies or frameworks that can be applied to improve blood safety and transfusion practices.
19) Road:
Road, in this context, can be considered metaphorically to suggest pathways or strategies toward achieving the goal of reducing bacterial contamination during blood collection. It emphasizes the importance of progressing toward better safety measures, clinical protocols, and education in transfusion medicine.
20) Discussion:
Discussion refers to the section in scientific literature where findings are interpreted, compared to previous research, and implications are outlined. A robust discussion within studies addressing blood contamination ensures that key insights are shared, challenges are identified, and recommendations for practice improvements are effectively communicated.
21) Container:
Container refers to the bags or pouches used to collect blood samples. The design and sterilization of these containers are crucial for minimizing contamination risks during blood collection. Understanding their efficacy can significantly impact the safety and reliability of blood transfusions in clinical settings.
22) Cleansing:
Cleansing involves the process of disinfecting the skin prior to venipuncture to prevent microbial contamination during blood collection. The efficacy of cleansing methods contributes significantly to the overall safety of blood transfusion practices and can dramatically reduce associated infection risks for patients receiving blood products.
23) Barbara (Varvara):
Barbara may refer to a notable figure associated with the study or the field of transfusion medicine. Highlighting contributions from key individuals adds depth to research discussions and underscores the collaborative efforts of professionals dedicated to improving blood safety and transfusion practices.
24) Quality:
Quality refers to the standard of safety and efficacy in healthcare practices, particularly in blood collection and transfusion. Improving quality is essential to minimizing risks of bacterial contamination, ensuring patient safety, and fostering trust in the healthcare system responsible for managing blood products.
25) Temple:
Temple may indicate another location where blood collection drives took place or emphasize the community aspect of blood donation. Understanding the diverse environments where donations occur is essential for recognizing the unique challenges and opportunities for improving blood safety and reducing contamination risks within those contexts.
26) Medium:
Medium refers to the environment in which bacteria can grow and thrive, particularly relating to storage conditions for blood products. Knowledge of optimal media for bacterial growth highlights the need for strict adherence to storage protocols to minimize contamination risks associated with transfused blood components.
27) Filling (Filled):
Filled refers to the diversion pouch collecting an initial volume of blood before entering the primary bag. This practice is crucial for minimizing contamination; understanding how much blood is filled can provide insights into the effectiveness of diversion techniques in reducing bacterial presence during blood collection.
28) Rules:
Rules refer to established guidelines and protocols governing blood collection, storage, and transfusion safety practices. Adherence to these rules is vital in minimizing the risk of bacterial contamination and ensuring that blood products are safe for patient use, ultimately enhancing overall health outcomes in transfusion medicine.
29) Hair:
Hair can refer to the microorganisms residing on human skin, which can contaminate blood during venipuncture. An understanding of how hair and skin flora contribute to bacterial presence in blood is essential for improving cleansing techniques and reducing infection risks associated with blood donations.
30) Pose:
Pose may refer to the risks or challenges that arise during blood collection, particularly in relation to contamination prevention. By identifying the poses of potential contamination, healthcare providers can better strategize their methods for achieving safe blood collection and effective transfusion practices.
31) Line:
Line could suggest the connection between different sections of blood safety practices, such as the processes involved from collection through testing. Establishing clear lines of protocols can help ensure compliance, enhance safety measures, and facilitate communication among healthcare providers in transfusion medicine.
32) Pur:
Poor refers to inadequate practices or outcomes in blood collection procedures that can lead to higher contamination rates. Recognizing and addressing poor practices is essential for improving blood safety and ensuring that interventions are optimized to provide effective strategies against infection risk during transfusions.
Other Science Concepts:
Discover the significance of concepts within the article: ‘Bacterial Contamination in Diversion Pouch during Blood Collection’. Further sources in the context of Science might help you critically compare this page with similair documents:
Blood transfusion, Bacterial infection, Phlebotomy, Blood supply, Culture, Standard operating procedure, Bacterial contamination, Bacterial species, Good Manufacturing Practice, Aerobic culture, Sample size calculation, Staphylococcus aureus, Blood collection, Sample collection, Bacterial load, Ambient temperature, Gram-positive cocci, Microbiological analysis, Ethical approval, Gram-negative bacilli, Sepsis, Bacteremia, Prevalence, Coagulase-negative staphylococcus, Gram positive bacilli, Opportunistic pathogen, Red Blood Cell, Bacterial proliferation, Anaerobic bacteria, Plasma, Bacterial screening, Blood components, Donor selection, Clinical microbiology laboratory, Cleaning Procedure, Blood bank, SOP, Risk of transmission, SOP (Standard Operating Procedure), Transfusion safety, Blood donor, Skin flora, Whole blood, Platelet concentrate, Contamination rate, Incubation.
Concepts being referred in other categories, contexts and sources.