American journal of infection control最新文献

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Observing is influencing: How hand disinfection compliance observations affect hand disinfection rates; specifics derived from an electronic monitoring system. 观察即影响:手消毒依从性观察对手消毒率的影响来自电子监控系统的细节。
IF 3.8 3区 医学
American journal of infection control Pub Date : 2025-06-26 DOI: 10.1016/j.ajic.2025.06.020
Robin Otchwemah, Dominik Sons, Christoph Senges, Heide Niesalla, Marieke Stolte, Swetlana Herbrandt, Frauke Mattner
{"title":"Observing is influencing: How hand disinfection compliance observations affect hand disinfection rates; specifics derived from an electronic monitoring system.","authors":"Robin Otchwemah, Dominik Sons, Christoph Senges, Heide Niesalla, Marieke Stolte, Swetlana Herbrandt, Frauke Mattner","doi":"10.1016/j.ajic.2025.06.020","DOIUrl":"10.1016/j.ajic.2025.06.020","url":null,"abstract":"<p><strong>Background: </strong>Monitoring hand disinfection (HD) with direct observation is considered the gold standard but is flawed by the Hawthorne effect (HE). In our project in a German university hospital, we quantified the HE and evaluated possible room-specific differences.</p><p><strong>Methods: </strong>Data were collected on an intensive care unit (ICU), an intermediate care unit, and a normal ward (NW) each categorized into \"patient,\" \"utility/waste,\" and \"other\" rooms. While dispensers were monitored by sensors of a full-time active electronic monitoring system, the infection prevention and control staff performed step-by-step observations according to the World Health Organization \"5 moments.\" Periods with and without direct observations were compared regarding the number of HDs performed per patient day (HD/PD) using descriptive evaluation and a linear mixed model.</p><p><strong>Results: </strong>The HE was detected in \"patient\" rooms on the NW and ICU (+ 31.4%, + 27.4% HD/PD; both P < .01) during observation periods. Opposite effects, expressed by significant decreases in HD/PD during observations, occurred in \"utility/waste\" rooms on the NW (-57.7%), intermediate care unit (-99.4%), and ICU (-32.9%).</p><p><strong>Conclusions: </strong>In our setting, the HE varied considerably between wards and room types. As HE occurred in patient rooms, the usual HD compliance during patient care may be lower than directly observed.</p>","PeriodicalId":7621,"journal":{"name":"American journal of infection control","volume":" ","pages":""},"PeriodicalIF":3.8,"publicationDate":"2025-06-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144526079","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Vaccination coverage outcomes and health care organization program implementers' experiences after introduction of a health care worker influenza vaccination mandate in Victoria, Australia, 2022-2023. 在澳大利亚维多利亚州,2022-2023年引入卫生保健工作者流感疫苗接种任务后,疫苗接种覆盖率结果和卫生保健组织计划实施者的经验。
IF 3.8 3区 医学
American journal of infection control Pub Date : 2025-06-26 DOI: 10.1016/j.ajic.2025.06.021
Lyn-Li Lim, Stephanie K Tanamas, Leon J Worth, Ann Bull, Nadia Deborah Friedman, Sanne Peters, Sarah Bird, Nick Wilson, Noleen Bennett
{"title":"Vaccination coverage outcomes and health care organization program implementers' experiences after introduction of a health care worker influenza vaccination mandate in Victoria, Australia, 2022-2023.","authors":"Lyn-Li Lim, Stephanie K Tanamas, Leon J Worth, Ann Bull, Nadia Deborah Friedman, Sanne Peters, Sarah Bird, Nick Wilson, Noleen Bennett","doi":"10.1016/j.ajic.2025.06.021","DOIUrl":"10.1016/j.ajic.2025.06.021","url":null,"abstract":"<p><strong>Background: </strong>In 2022, the Victorian government, Australia, introduced a seasonal influenza vaccination mandate for specified health care workers (HCW). We describe implementation of the mandate's requirements in health care organizations by METHODS: An analysis was undertaken of annual organizational surveillance data routinely reported by health care organizations to the coordinating center from 2018 to 2023. Focus group interviews with program implementers were conducted.</p><p><strong>Results: </strong>Annual vaccination coverage increased from a median of 85.4% (2018-2021) to 93.6% (2022-2023). Those with \"unknown status\" and declinations decreased from a median of 8.2%-5.1% and 5.0%-1.1%, respectively. Implementers described increased leadership support and accountability for program delivery, and a focus on educating HCWs on the mandate and how to provide evidence of vaccination. New challenges included interpreting the mandate and applying pragmatic consequences. Implementers described increased administrative burden and seeking technological solutions.</p><p><strong>Conclusions: </strong>Introduction of the mandate coincided with an increase in HCW influenza vaccination coverage and changes to program delivery. Investment in technological solutions can support surveillance by reducing the administrative burden and potentially increasing reporting accuracy of number of HCWs with \"unknown status.\"</p>","PeriodicalId":7621,"journal":{"name":"American journal of infection control","volume":" ","pages":""},"PeriodicalIF":3.8,"publicationDate":"2025-06-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144526081","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Opioid use and risk of Clostridioides difficile infection in hospitalized patients: A systematic review and meta-analysis. 住院患者阿片类药物的使用和艰难梭菌感染的风险:系统回顾和荟萃分析。
IF 3.8 3区 医学
American journal of infection control Pub Date : 2025-06-26 DOI: 10.1016/j.ajic.2025.06.019
Pooja Gokhale, Lorenzo Villa Zapata
{"title":"Opioid use and risk of Clostridioides difficile infection in hospitalized patients: A systematic review and meta-analysis.","authors":"Pooja Gokhale, Lorenzo Villa Zapata","doi":"10.1016/j.ajic.2025.06.019","DOIUrl":"10.1016/j.ajic.2025.06.019","url":null,"abstract":"<p><strong>Background: </strong>Clostridioides difficile infection (CDI) is a leading cause of nosocomial infections, particularly in immunocompromised individuals. Evidence suggests that opioid use may increase the risk of CDI in hospitalized patients. This systematic review and meta-analysis aims to assess the association between opioid use and CDI among hospitalized patients.</p><p><strong>Methods: </strong>A comprehensive literature search was conducted from inception to January 2024 across PubMed/MEDLINE, Web of Science, and the Cochrane Library. The search was supplemented by hand-searching reference lists of included articles. Observational studies comparing adult opioid users with nonusers in a hospital setting were included. The meta-analysis employed a restricted maximum likelihood random-effects model using R Statistical Software, version 4.3.2.</p><p><strong>Results: </strong>From 1,521 articles initially retrieved, 4 met the inclusion criteria, comprising 119,145 patients. Of these, 42,794 were opioid users, and 76,351 were nonusers. There were 13,399 cases of CDI among opioid users, compared with 13,184 among nonusers. The meta-analysis revealed an odds ratio of 1.98 (95% confidence interval: 1.54-2.56), indicating a significantly higher risk of CDI in opioid users.</p><p><strong>Conclusions: </strong>The findings underscore the need for further research to explore the impact of opioid use on the severity of CDI.</p>","PeriodicalId":7621,"journal":{"name":"American journal of infection control","volume":" ","pages":""},"PeriodicalIF":3.8,"publicationDate":"2025-06-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144526080","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Characterization of patients with Candida (Candidozyma) auris before and during the COVID-19 pandemic in New York, 2017-2022. 2017-2022年纽约2019冠状病毒病大流行之前和期间耳念珠菌患者的特征分析
IF 3.8 3区 医学
American journal of infection control Pub Date : 2025-06-25 DOI: 10.1016/j.ajic.2025.06.016
Haillie C Meek, Stacey Konkle, Belinda Ostrowsky, Eli S Rosenberg, Karen Southwick, Sarah Kogut, Monica Quinn, Ernest J Clement, Emily Lutterloh
{"title":"Characterization of patients with Candida (Candidozyma) auris before and during the COVID-19 pandemic in New York, 2017-2022.","authors":"Haillie C Meek, Stacey Konkle, Belinda Ostrowsky, Eli S Rosenberg, Karen Southwick, Sarah Kogut, Monica Quinn, Ernest J Clement, Emily Lutterloh","doi":"10.1016/j.ajic.2025.06.016","DOIUrl":"https://doi.org/10.1016/j.ajic.2025.06.016","url":null,"abstract":"<p><strong>Background: </strong>Candida (Candidozyma) auris, a multidrug resistant organism, can cause severe, invasive infections. We characterized C. auris epidemiology in New York before and during the COVID-19 pandemic.</p><p><strong>Methods: </strong>Multiple statewide databases were linked to assess demographic and clinical characteristics and outcomes among C. auris screening cases (patients tested for colonization screening) and clinical cases (patients tested to diagnose disease). Cases diagnosed during 2017-2022 were divided into four phases and compared, including pre-COVID-19, first wave, ongoing mitigation, and vaccine era. Joinpoint analysis was used to assess monthly percentage change (MPC) and significant temporal trends among clinical cases.</p><p><strong>Results: </strong>During the first wave, higher proportions of C. auris cases were among Black and Hispanic patients (clinical and screening), patients from high social vulnerability index neighborhoods (clinical), and patients aged <60 years (screening), compared with pre-COVID-19. Increased proportions of Hispanic patients and those aged <60 years among screening cases persisted through ongoing mitigation and vaccine era. MPC of clinical cases was stable throughout the analysis period at 1.97%, and no significant joinpoints were observed.</p><p><strong>Conclusions: </strong>The influx of COVID-19 hospitalizations might have driven shifts in characteristics of clinical and screening C. auris cases. Clinical C. auris incidence increased during 2017-2022, but the incidence slope did not increase during or after the onset of COVID-19.</p>","PeriodicalId":7621,"journal":{"name":"American journal of infection control","volume":" ","pages":""},"PeriodicalIF":3.8,"publicationDate":"2025-06-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144511428","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
First report of Lodderomyces elongisporus identification in intensive care unit patients in Colombia. 哥伦比亚重症监护病房患者中首次发现长孢loderomyces。
IF 3.8 3区 医学
American journal of infection control Pub Date : 2025-06-24 DOI: 10.1016/j.ajic.2025.06.018
María Carolina Gutiérrez Galvis, Edimerk Mauricio Gil Güiza, Maicol Andrés Avellaneda Arciniegas, Olga Marcela Medina Pérez, Angélica Yurley Ramírez Vásquez, Laura Juliana Ortiz García, Claudia Ivonne García González, Sindy Fernanda Macías Duarte, Luz Helena Sánchez Rodríguez, Marisela Márquez Herrera, Agustín Vega Vera, Yeny Zulay Castellanos-Dominguez, Laura Viviana Herrera Sandoval, Clara Inés Sánchez Suárez
{"title":"First report of Lodderomyces elongisporus identification in intensive care unit patients in Colombia.","authors":"María Carolina Gutiérrez Galvis, Edimerk Mauricio Gil Güiza, Maicol Andrés Avellaneda Arciniegas, Olga Marcela Medina Pérez, Angélica Yurley Ramírez Vásquez, Laura Juliana Ortiz García, Claudia Ivonne García González, Sindy Fernanda Macías Duarte, Luz Helena Sánchez Rodríguez, Marisela Márquez Herrera, Agustín Vega Vera, Yeny Zulay Castellanos-Dominguez, Laura Viviana Herrera Sandoval, Clara Inés Sánchez Suárez","doi":"10.1016/j.ajic.2025.06.018","DOIUrl":"10.1016/j.ajic.2025.06.018","url":null,"abstract":"<p><p>Lodderomyces elongisporus, a yeast commonly associated with environmental sources, is emerging as a human fungal pathogen. This report presents the first documented case of L.elongisporus colonization in 2 intensive care unit patients in Colombia. Our findings emphasize the need for accurate identification and enhanced surveillance to evaluate its clinical impact in hospital infections.</p>","PeriodicalId":7621,"journal":{"name":"American journal of infection control","volume":" ","pages":""},"PeriodicalIF":3.8,"publicationDate":"2025-06-24","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144504502","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Digital feedback to improve adherence to hand hygiene: A longitudinal study on the effects of an electronic monitoring system. 数字反馈以提高对手卫生的坚持:一项关于电子监测系统效果的纵向研究。
IF 3.8 3区 医学
American journal of infection control Pub Date : 2025-06-22 DOI: 10.1016/j.ajic.2025.06.017
Karin Granqvist, Linda Ahlstrom, Jon Karlsson, Birgitta Lytsy, Annette Erichsen
{"title":"Digital feedback to improve adherence to hand hygiene: A longitudinal study on the effects of an electronic monitoring system.","authors":"Karin Granqvist, Linda Ahlstrom, Jon Karlsson, Birgitta Lytsy, Annette Erichsen","doi":"10.1016/j.ajic.2025.06.017","DOIUrl":"10.1016/j.ajic.2025.06.017","url":null,"abstract":"<p><strong>Background: </strong>This study investigated the impact of digital feedback from an electronic monitoring system (EMS) to health care workers (HCWs) at both the group and individual levels on the adherence to hand hygiene (HH).</p><p><strong>Methods: </strong>An EMS was installed in a surgical ward at a tertiary hospital and adherence rates among HCWs (n = 15) were measured from October 2018 to December 2019. After an initial baseline period, digital feedback was given to the HCWs first at the group level (2 months), and then at both the group and individual levels (2 months). Adherence rates were then measured over an additional follow-up period of 9 months.</p><p><strong>Results: </strong>Digital feedback for 9 months at both the individual and group levels significantly increased adherence to HH compared with the baseline (37.9% vs 52.5%). The mean increase in adherence rates was 14.5%. Feedback over a shorter period (2 months) had the same effect at neither the group level nor the individual level.</p><p><strong>Conclusions: </strong>Follow-up long-term studies are crucial to evaluate the effect of digital feedback. As research on innovations monitoring HH adherence is still in its infancy, this study contributes with valuable findings into the impact of digital feedback.</p>","PeriodicalId":7621,"journal":{"name":"American journal of infection control","volume":" ","pages":""},"PeriodicalIF":3.8,"publicationDate":"2025-06-22","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144482799","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Impact of empowerment of onco-hematological patients on the incidence of catheter-related bloodstream infections. 肿瘤血液学患者赋权对导管相关血流感染发生率的影响。
IF 3.8 3区 医学
American journal of infection control Pub Date : 2025-06-22 DOI: 10.1016/j.ajic.2025.06.015
Rodrigo Reghini, Ivan Leonardo Avelino França E Silva, Silvia Figueiredo Costa, Thaís Guimarães
{"title":"Impact of empowerment of onco-hematological patients on the incidence of catheter-related bloodstream infections.","authors":"Rodrigo Reghini, Ivan Leonardo Avelino França E Silva, Silvia Figueiredo Costa, Thaís Guimarães","doi":"10.1016/j.ajic.2025.06.015","DOIUrl":"10.1016/j.ajic.2025.06.015","url":null,"abstract":"<p><strong>Background: </strong>Patients with hematologic malignancies and hematopoietic stem cell transplant recipients (HSCT) are at high risk of central venous catheter-related bloodstream infections (CLABSI). Global actions have encouraged patient empowerment as a strategy to reduce these infections. We aim to evaluate the impact of patient empowerment in reducing the incidence density (ID) of CLABSI.</p><p><strong>Methods: </strong>Prospective, pre- and post-intervention, quantitative study of development, validation and application of an instrument to assess good practices in CVC handling, consisting of 6 questions and answers by hospitalized patients who had a CVC in 2 oncological units.</p><p><strong>Results: </strong>Fifty-three patients were enrolled, totaling 1,290 evaluations. In the postintervention period, a significant increase (P < .001) was observed in 3 practices: hand hygiene after handling the CVC (92.1% vs 98.8%), salinization with pulsatile movements after administering medications and collecting laboratory tests (86.8% vs 96.7%) and daily CVC assessment (97.4% vs 99.8%). The ID of CLABSI decreased in the HSCT unit (4.4 vs 0 CLABSI/1,000 CVC-days), though without statistical significance (P = .066).</p><p><strong>Discussion: </strong>Increased adherence to good practices highlights the potential of patient involvement as a complementary strategy for CLABSI prevention.</p><p><strong>Conclusions: </strong>Actions aimed at patient participation can contribute to improving processes and reducing the ID of CLABSI.</p>","PeriodicalId":7621,"journal":{"name":"American journal of infection control","volume":" ","pages":""},"PeriodicalIF":3.8,"publicationDate":"2025-06-22","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144482800","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Infection prevention prelicensure nursing education: Exploring graduating student and preceptor experiences. 感染预防执照前护理教育:探索毕业生和导师的经验。
IF 3.8 3区 医学
American journal of infection control Pub Date : 2025-06-22 DOI: 10.1016/j.ajic.2025.06.014
Mary Lou Manning, Julia Kay, Susan Egger, Mariann Kerr, John Renzi
{"title":"Infection prevention prelicensure nursing education: Exploring graduating student and preceptor experiences.","authors":"Mary Lou Manning, Julia Kay, Susan Egger, Mariann Kerr, John Renzi","doi":"10.1016/j.ajic.2025.06.014","DOIUrl":"10.1016/j.ajic.2025.06.014","url":null,"abstract":"<p><p>This study explores infection prevention and control (IPC) perceptions and experiences of final-semester pre-licensure nursing students and their clinical preceptors, highlighting the need for strong IPC education and collaboration between infection preventionists and nursing faculty.</p>","PeriodicalId":7621,"journal":{"name":"American journal of infection control","volume":" ","pages":""},"PeriodicalIF":3.8,"publicationDate":"2025-06-22","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144482801","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Why do infection preventionists leave a job? A qualitative evaluation of infection preventionist attrition in health care. 为什么感染预防学家要辞职?卫生保健部门感染预防人员流失的定性评价。
IF 3.8 3区 医学
American journal of infection control Pub Date : 2025-06-20 DOI: 10.1016/j.ajic.2025.06.011
Sara M Reese, Albert Shackelford, Katreena Merrill, Frances Nicholson, Ehssan Baghagho, Brenna Doran, Heather Stoltzfus, Rebecca Crapanzano-Sigafoos
{"title":"Why do infection preventionists leave a job? A qualitative evaluation of infection preventionist attrition in health care.","authors":"Sara M Reese, Albert Shackelford, Katreena Merrill, Frances Nicholson, Ehssan Baghagho, Brenna Doran, Heather Stoltzfus, Rebecca Crapanzano-Sigafoos","doi":"10.1016/j.ajic.2025.06.011","DOIUrl":"10.1016/j.ajic.2025.06.011","url":null,"abstract":"<p><strong>Background: </strong>Infection preventionists' (IPs) importance has increased over the years for various reasons. IP attrition results in risks to both patients and staff. The goal of this project was to determine the drivers of IP attrition and retention through focus groups.</p><p><strong>Methods: </strong>Focus groups constituted IPs who have been in the same role for > 5years (Tenured IPs), IPs who have left one IP role for another IP role in the last 3 years (Transitional IPs), IPs who have left the field of infection prevention (Former IPs), and IP leaders discussed drivers of attrition and retention. A thematic analysis was performed to determine themes and subthemes.</p><p><strong>Results: </strong>Twelve focus groups (Tenured: n = 24, Transitional: n = 23, Former: n = 10, and Leaders: n = 25) identified major themes related to attrition and retention: professional development and growth, organizational culture, recognition and value, workload and quality of work-life balance, leadership support, team dynamics, and the impact of Coronavirus 2019 pandemic.</p><p><strong>Conclusions: </strong>IP attrition and retention are complex, and numerous factors impact an IP's decision to stay in their role. Health care leaders and leaders of IPs need to evaluate retention strategies for this role. Future studies should determine the correlation between retention strategies and turnover rates.</p>","PeriodicalId":7621,"journal":{"name":"American journal of infection control","volume":" ","pages":""},"PeriodicalIF":3.8,"publicationDate":"2025-06-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144367789","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Preventing microbial contamination during radiological imaging: Experimental evaluation of a multiuse contrast media infusion system incorporating sequential one-way valves within a dual-safety design. 预防放射成像中的微生物污染:双安全设计中包含顺序单向阀的多用途造影剂输注系统的实验评估。
IF 3.8 3区 医学
American journal of infection control Pub Date : 2025-06-19 DOI: 10.1016/j.ajic.2025.06.006
Matheus Roland van Rens, Kevin Hugill, L Natalia Galvan, Benjamin Tanner
{"title":"Preventing microbial contamination during radiological imaging: Experimental evaluation of a multiuse contrast media infusion system incorporating sequential one-way valves within a dual-safety design.","authors":"Matheus Roland van Rens, Kevin Hugill, L Natalia Galvan, Benjamin Tanner","doi":"10.1016/j.ajic.2025.06.006","DOIUrl":"10.1016/j.ajic.2025.06.006","url":null,"abstract":"<p><strong>Background: </strong>Health care-associated infections are a significant cause of patient morbidity, mortality, and health care expenditure. In diagnostic imaging, multiuse contrast media infusion systems are increasingly common; however, their use raises concerns regarding cross-contamination risk.</p><p><strong>Methods: </strong>A controlled experimental model was used to assess the ability of a multiuse infusion system to prevent microbial contamination during simulated clinical conditions. Escherichia coli and MS2 bacteriophage were selected to model bacterial and viral contamination risks, respectively. Inocula were introduced at key connection points during two 12-hour experimental sessions. The primary outcome was the presence or absence of microbial growth in retrieved fluid samples. Control testing was conducted to validate sterility, microbial viability, and experimental integrity.</p><p><strong>Results: </strong>Positive and negative control testing performed as expected. No microbial growth was detected in any of the 51 experimental fluid samples. This corresponds to a 95% confidence upper bound of 5.8% for undetected contamination events.</p><p><strong>Conclusions: </strong>The system's design, including sequential dual 1-way valves effectively prevented bacterial and viral contamination under laboratory conditions. These findings support its potential for safe multiuse in radiological settings.</p>","PeriodicalId":7621,"journal":{"name":"American journal of infection control","volume":" ","pages":""},"PeriodicalIF":3.8,"publicationDate":"2025-06-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144339817","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
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