American journal of infection control最新文献

{"title":"Assessment of bacterial contamination on antimicrobial disposable curtains compared to fabric curtains in intensive care unit patients at a university hospital setting","authors":"Sumawadee Skuntaniyom MSc ,&nbsp;Chonnamet Techasaensiri MD ,&nbsp;Pitak Santanirand PhD ,&nbsp;Tharntip Siriratpaiboon BSc ,&nbsp;Thanomvong Muntajit MSc ,&nbsp;Phaniphak Kariyapol MBA ,&nbsp;Thitirat Dilokkunanant MNS ,&nbsp;Ratikon Yuttharak BSc","doi":"10.1016/j.ajic.2025.10.031","DOIUrl":"10.1016/j.ajic.2025.10.031","url":null,"abstract":"<div><h3>Background</h3><div>Hospital privacy curtains represent high-touch surfaces frequently implicated in the transmission of health care-associated pathogens. This study aimed to evaluate the microbiological efficacy and cost-effectiveness of antimicrobial disposable curtains compared to conventional polyester fabric curtains in an intensive care unit setting.</div></div><div><h3>Methods</h3><div>A quasi-experimental study was conducted from July to October 2024. In the experimental group, antimicrobial disposable curtains were sampled on days 0, 15, 30, 60, 90, and 120 post-installation. In the control group, composed of standard 100% polyester fabric curtains, sampling occurred on days 0, 15, and then at 30-day intervals. For both groups, additional sampling was performed following patient discharge under contact precautions to assess in-use contamination levels.</div></div><div><h3>Results</h3><div>Curtains in the experimental group demonstrated significantly lower bacterial contamination than controls at all time points (<em>P</em> &lt; .001). Peak contamination in the control group reached 2.1 CFU/cm² at day 30, whereas experimental curtains maintained contamination below 0.2 CFU/cm² throughout. Cost analysis revealed a 59.42% reduction in cumulative curtain-related expenditures in the experimental group.</div></div><div><h3>Conclusions</h3><div>Antimicrobial disposable curtains offer superior microbial control and substantial cost savings. Integration of such curtains into infection prevention protocols may enhance environmental hygiene and resource optimization in critical care settings.</div></div>","PeriodicalId":7621,"journal":{"name":"American journal of infection control","volume":"54 4","pages":"Pages 382-388"},"PeriodicalIF":2.4,"publicationDate":"2026-04-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145476744","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}

{"title":"Effectiveness of using full personal protective equipment in reducing the transmission of SARS-CoV-2 in health care workers: A systematic review","authors":"Juliette Gagnon MD ,&nbsp;Myriam Naïmi MD ,&nbsp;Frederic Bergeron MSI ,&nbsp;Yves Longtin MD ,&nbsp;Judith Villeneuve BSc ,&nbsp;Katia Boudaoud MD ,&nbsp;Daphnée Jolicoeur-Ouellette MD ,&nbsp;Hong Hao Xu MD ,&nbsp;Émile Cormier MD ,&nbsp;Jason R. Guertin PhD ,&nbsp;Tania Marx MD, PhD ,&nbsp;Judicaël Adadja MD, MSc ,&nbsp;Ariane Bluteau MSc ,&nbsp;Simon Berthelot MD, MSc","doi":"10.1016/j.ajic.2025.11.013","DOIUrl":"10.1016/j.ajic.2025.11.013","url":null,"abstract":"<div><h3>Background</h3><div>This systematic review aimed to assess the effectiveness of full personal protective equipment (PPE) in preventing COVID-19 transmission among health care workers.</div></div><div><h3>Methods</h3><div>Studies published from December 2019 to August 2024 were searched in MEDLINE, Embase, Cochrane Library, CINAHL, Epistemonikos, ClinicalTrials.gov, MedRxiv, and Web of Science. Full PPE was defined as the combination of respiratory protection (surgical mask, N95, or equivalents), eye protection (visor or goggles), gown, and gloves, as recommended by the World Health Organization (WHO). The comparator was partial PPE or no PPE. Two reviewers independently performed screening, data extraction, and risk of bias assessment. The review was registered on PROSPERO (CRD4202230259).</div></div><div><h3>Results</h3><div>Eight observational studies were included; 4 showed a significant reduction in transmission with full PPE. Seven studies compared full to partial PPE, and 1 compared full PPE to no protection. Among studies with significant results, odds ratios ranged from 0.03 to 0.6. Risk of bias was critical in 6 studies and serious in 2. No meta-analysis was performed due to study quality.</div></div><div><h3>Conclusion</h3><div>Full PPE appears protective for health care workers. The small number and low quality of studies limit the certainty of this conclusion. Further analyses are required to establish clear guideline for its use.</div></div>","PeriodicalId":7621,"journal":{"name":"American journal of infection control","volume":"54 4","pages":"Pages 443-450"},"PeriodicalIF":2.4,"publicationDate":"2026-04-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145562356","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}

{"title":"Leveraging artificial intelligence for surgical site infection surveillance: A comparison of 5 large language models","authors":"Salma Abbas MBBS, MPH ,&nbsp;Faisal Jamil MS ,&nbsp;Ahsan Shaikh MS ,&nbsp;Sehrish Ilyas BS ,&nbsp;Abdullah Bin Masood BS ,&nbsp;Muhammad Usman Afzal MS ,&nbsp;Awais Touseef BS ,&nbsp;Ali Noor BS ,&nbsp;Mirza Wasim-ud-Din MCS ,&nbsp;Muhammad Tayyib Akbar MCS ,&nbsp;Sajid Ali MS ,&nbsp;Muhammad Abid Nazir MCS ,&nbsp;Amir Mukhtar MS ,&nbsp;Faisal Sultan MBBS","doi":"10.1016/j.ajic.2025.12.004","DOIUrl":"10.1016/j.ajic.2025.12.004","url":null,"abstract":"<div><div>We conducted a retrospective study to evaluate the performance of 5 large language models in detecting surgical site infections (SSIs), compared with manual surveillance by an infection preventionist nurse. Forty abdominal surgery patients were included. Manual review achieved 100% diagnostic accuracy. All large language models demonstrated high accuracy (90%-95%) and strong agreement with manual review (κ = 0.80-0.90), with no statistically significant differences in performance (<em>P</em> &gt; .05). AI-based tools may enhance the efficiency of surgical site infection surveillance.</div></div>","PeriodicalId":7621,"journal":{"name":"American journal of infection control","volume":"54 4","pages":"Pages 451-453"},"PeriodicalIF":2.4,"publicationDate":"2026-04-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145740539","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}

{"title":"Response to publication “Automated surveillance system for surgical site infection in coronary artery bypass graft surgery in tertiary care hospitals”","authors":"Lyn-li Lim MBBS, MPH, Grad Dip Clin Epi ,&nbsp;Stephanie K. Tanamas BBiomedSc(Hons), PhD ,&nbsp;Ann Bull BSc(Hons), MAppEpid, PhD ,&nbsp;Michael Malloy PhD","doi":"10.1016/j.ajic.2025.12.018","DOIUrl":"10.1016/j.ajic.2025.12.018","url":null,"abstract":"","PeriodicalId":7621,"journal":{"name":"American journal of infection control","volume":"54 4","pages":"Pages 468-469"},"PeriodicalIF":2.4,"publicationDate":"2026-04-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"147571914","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}

{"title":"Impact of ventilator-associated events on clinical outcomes in mechanically ventilated patients: A retrospective cohort study from a Brazilian ICU","authors":"Milena Siciliano Nascimento PhD ,&nbsp;Amanda Gomes Rabelo PhD ,&nbsp;Cesar Augusto Madid Truyts MSc ,&nbsp;Adriano José Pereira PhD ,&nbsp;Raquel Afonso Caserta PhD ,&nbsp;Simone Brandi MSc ,&nbsp;Alexandra do Rosário Toniolo MSc ,&nbsp;Graziela Geanfrancisco RN ,&nbsp;Paula Tuma PhD","doi":"10.1016/j.ajic.2025.09.008","DOIUrl":"10.1016/j.ajic.2025.09.008","url":null,"abstract":"<div><h3>Background</h3><div>Mechanical ventilation is a widely used intervention for critically ill patients in intensive care units. However, it is associated with various complications. The most up-to-date method for monitoring ventilation-related complications is through ventilator-associated events (VAE). The objective of this study was to evaluate the incidence of VAE and their impact on major clinical outcomes in patients admitted to the intensive care units.</div></div><div><h3>Methods</h3><div>This was a single-center retrospective cohort study that all the adult patients who underwent invasive mechanical ventilation were included. The VAE identification was performed using an automated algorithm based on criteria established by the Centers for Disease Control and Prevention. Clinical, demographic, and outcome data were extracted from electronic medical records.</div></div><div><h3>Results</h3><div>A total of 709 patients were analyzed, of whom 39 (5.6%) developed VAE, resulting in a rate of 5.99 per 1,000 ventilator-days. Patients with VAE had significantly longer durations of mechanical ventilation (19.7 ± 27.4 vs 4.7 ± 7.9 days; <em>P</em> = .002), intensive care units stay (25.1 ± 24.7 vs 8.7 ± 11.1 days; <em>P</em> &lt; .001), and hospital stay (72.7 ± 73.5 vs 46 ± 98 days; <em>P</em> &lt; .001).</div></div><div><h3>Conclusions</h3><div>The occurrence of VAE was associated with significantly worse clinical outcomes. The adoption of algorithm-based automated surveillance may enhance early VAE detection, representing the first step toward implementing targeted prevention strategies.</div></div>","PeriodicalId":7621,"journal":{"name":"American journal of infection control","volume":"54 4","pages":"Pages 402-406"},"PeriodicalIF":2.4,"publicationDate":"2026-04-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145111808","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}

{"title":"Knowledge, attitudes, and practices and associated factors of hematology nurses on preventing and controlling multidrug-resistant organisms (MDROs) infections","authors":"Yanling Wen MS ,&nbsp;Jingwen Yang MS ,&nbsp;Tianxiang Ge MS ,&nbsp;Yanchun Huang MBBS ,&nbsp;Huafen Wang MS","doi":"10.1016/j.ajic.2025.10.027","DOIUrl":"10.1016/j.ajic.2025.10.027","url":null,"abstract":"<div><h3>Background</h3><div>This nationwide survey aimed to assess hematology nurses' knowledge, attitudes, and practices (KAP) and its influencing factors on preventing and controlling multidrug-resistant organisms (MDROs) infections.</div></div><div><h3>Methods</h3><div>This cross-sectional study surveyed hematology nurses at 185 hospitals across 26 provinces and municipalities in mainland China. Descriptive analysis, correlation tests, generalized linear models, and decision tree modeling were used to assess the current status of KAP and influencing factors.</div></div><div><h3>Results</h3><div>A total of 1,984 nurses participated. The median scores for KAP, management, and surveillance in preventing and controlling MDROs infections among study subjects were 44 (out of a total of 53, 83%), 60 (out of a total of 60, 100%), 210 (out of a total of 210, 100%), 53 (out of a total of 58, 91%), and 10 (out of a total of 10, 100%), respectively. Correlation analyses revealed significant positive associations between MDROs infections management and KAP dimensions. The generalized linear models and decision tree analysis showed MDROs infections management and hematology nurses' attitudes were strong predictors of their practices, especially the perceived importance of MDROs infections management (β = 1.13, <em>P</em> &lt; .001), key process management (β = 1.17, <em>P</em> &lt; .001), and staff training (β = 1.90, <em>P</em> &lt; .001).</div></div><div><h3>Conclusions</h3><div>This study highlights strong hospital MDROs management boosts nurses' KAP, enhancing MDROs infections control and prevention in hematology settings.</div></div>","PeriodicalId":7621,"journal":{"name":"American journal of infection control","volume":"54 4","pages":"Pages 429-435"},"PeriodicalIF":2.4,"publicationDate":"2026-04-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145421084","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}

{"title":"Comparative analysis of 30-day and 1-year mortality in carbapenem-resistant versus non-carbapenem-resistant Enterobacterales bacteremia","authors":"Mabel Zhi Qi Foo MPH ,&nbsp;Yang Yong PhD ,&nbsp;Deborah Chooi Mun Lai PhD ,&nbsp;Shalvi Arora BSc ,&nbsp;May Kyawt Aung MPH ,&nbsp;Aung Myat Oo MCTM ,&nbsp;Darius Yak Weng Chan MPH ,&nbsp;Jean Xiang Ying Sim MRCP ,&nbsp;Liang En Wee MPH ,&nbsp;Moi Lin Ling FRACP ,&nbsp;Indumathi Venkatachalam MPH","doi":"10.1016/j.ajic.2025.10.025","DOIUrl":"10.1016/j.ajic.2025.10.025","url":null,"abstract":"<div><h3>Introduction</h3><div>Carbapenem-resistant <em>Enterobacterales</em> (CRE) bacteremia poses a major clinical challenge due to limited treatment options and high mortality. This study compared mortality between CRE and non-CRE bacteremia and evaluated the impact of empirical and definitive antibiotic therapy. A subgroup analysis explores outcomes in carbapenemase-producing (CP)-CRE versus non-CP-CRE bacteremia.</div></div><div><h3>Method</h3><div>This retrospective cohort study included adults (≥ 18 years) with <em>Enterobacterales</em> bacteremia admitted to Singapore General Hospital from January 2016 to September 2024. Patients were grouped into CRE (n = 270) and non-CRE (n = 2462), with CRE further stratified into CP-CRE (n = 111) and non-CP-CRE (n = 159). Kaplan-Meier and Cox proportional hazards regression analyses identified mortality risk factors.</div></div><div><h3>Results</h3><div>CRE bacteremia demonstrated higher 30-day mortality (31.9% vs 22.8%) and 1-year mortality (62.6% vs 44.7%) (<em>P</em> &lt; .01 for both). CRE cases frequently involved central line-associated bloodstream infections (CLABSIs) (7.4% vs 2.9%) and polymicrobial infections (16.3% vs 4.2%) compared to non-CRE (<em>P</em> &lt; .001 for both). Appropriate definitive therapy significantly reduced 30-day (aHR: 0.30, 95% CI: 0.25-0.37, <em>P</em> &lt; .001) and 1-year mortality (aHR: 0.58, 95% CI: 0.50-0.67, <em>P</em> &lt; .001) in CRE, with similar benefit in CP-CRE (30-day aHR: 0.24, 95% CI: 0.14-0.42, <em>P</em> &lt; .001; 1-year aHR: 0.59, 95% CI: 0.38-0.92, <em>P</em> = .02).</div></div><div><h3>Conclusion</h3><div>High mortality from CRE bacteraemia can be mitigated by rapid, definitive therapy, underscoring the importance of timely diagnosis and access to effective agents.</div></div>","PeriodicalId":7621,"journal":{"name":"American journal of infection control","volume":"54 4","pages":"Pages 421-428"},"PeriodicalIF":2.4,"publicationDate":"2026-04-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145436585","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}

{"title":"Reducing CAUTI incidence: A multimodal and multidisciplinary approach for improved prevention and patient outcomes","authors":"Malinda Sykora MBA-HCM, MSN, RN-BC,&nbsp;Arlene Ramsaran PhD, MBA, BSN, RN, CPHQ,&nbsp;Stephanie Blankenship BSN, RN, CIC,&nbsp;Andrew Hawrylak MD, SFHM","doi":"10.1016/j.ajic.2025.08.037","DOIUrl":"10.1016/j.ajic.2025.08.037","url":null,"abstract":"<div><h3>Background</h3><div>Catheter-associated urinary tract infections (CAUTIs) are common health care-associated infections and a key quality metric tied to patient safety. Although the standardized utilization ratio (SUR) declined, CAUTI rates remained above the target benchmark at a large academic trauma facility, prompting a multidisciplinary quality improvement initiative.</div></div><div><h3>Methods</h3><div>A multidisciplinary team implemented a multimodal approach targeting indwelling urinary catheter practices. Interventions included standardized urine culture protocols, education on dependent loop prevention, 2 person insertion procedures, and monitoring indwelling urinary catheter order compliance. Data on 6 key metrics were tracked facility-wide from 2023 to 2025.</div></div><div><h3>Results</h3><div>Urine culture card compliance improved from 15.4% to 100%. Indwelling urinary catheter order compliance rose from 50% to 85%, and 2 person insertion documentation reached 93%. The SUR dropped from 0.903 (2021) to 0.68 (2024), while CAUTI SIR decreased from 0.564 (2021) to 0.284 (2024). Current 2025 YTD SIR is 0.168.</div></div><div><h3>Discussion</h3><div>Standardizing catheter care by implementing evidence-based interventions resulted in preventing CAUTI. To maintain these positive outcomes, leadership support, collaboration across disciplines, and ongoing education were crucial.</div></div><div><h3>Conclusions</h3><div>A system-wide, multimodal CAUTI prevention strategy significantly reduced catheter use and infection rates. Continued focus on education and compliance tracking is essential to achieve and sustain zero harm.</div></div>","PeriodicalId":7621,"journal":{"name":"American journal of infection control","volume":"54 4","pages":"Pages 389-395"},"PeriodicalIF":2.4,"publicationDate":"2026-04-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145058212","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}

{"title":"A tailored serious game for central line-associated bloodstream infection prevention: From needs assessment to an innovative educational tool","authors":"Bruno de Melo Tavares MSc ,&nbsp;Ana Rubia Guedes MSc ,&nbsp;Nidia Cristina de Souza MSc ,&nbsp;Karen Cristina da Conceição Dias Silva RN ,&nbsp;Thiago Cezar Macete MSc ,&nbsp;Amanda Luiz Pires Maciel MSc ,&nbsp;Filipe Teixeira Piastrelli MD ,&nbsp;Icaro Boszczowski PhD ,&nbsp;Maria Dolores Santos da Purificação Nogueira MSc ,&nbsp;Magda Machado de Miranda Costa MSc ,&nbsp;Denise Brandão de Assis PhD ,&nbsp;Lauro Vieira Perdigão Neto PhD ,&nbsp;Maura Salaroli de Oliveira PhD ,&nbsp;Anna S. Levin PhD","doi":"10.1016/j.ajic.2026.01.003","DOIUrl":"10.1016/j.ajic.2026.01.003","url":null,"abstract":"<div><div>Central line-associated bloodstream infection prevention remains challenging in clinical settings. This experience describes how barriers identified through a needs assessment in Brazilian hospitals were translated into a tailored serious game to support catheter care practices. Using the Octalysis Framework, real-world challenges were converted into interactive missions simulating catheter care. This approach illustrates how context-specific barriers can be operationalized into an educational tool to support health care workers' adherence to central line-associated bloodstream infection prevention measures.</div></div>","PeriodicalId":7621,"journal":{"name":"American journal of infection control","volume":"54 4","pages":"Pages 436-442"},"PeriodicalIF":2.4,"publicationDate":"2026-04-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145948469","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}

{"title":"Information for Readers","authors":"","doi":"10.1016/S0196-6553(26)00106-9","DOIUrl":"10.1016/S0196-6553(26)00106-9","url":null,"abstract":"","PeriodicalId":7621,"journal":{"name":"American journal of infection control","volume":"54 4","pages":"Page A7"},"PeriodicalIF":2.4,"publicationDate":"2026-04-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"147614155","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}