American journal of infection control最新文献

{"title":"Air contamination and cross-room transmission of carbapenem-resistant Acinetobacter baumannii in intensive care unit.","authors":"Li Wei, Lin Cai, Yu Feng, Yuhua Deng, Jing Huang, Hongxia Wen, Lina Liu, Meilin Li, Xiaopan Guo, Fu Qiao, Zhiyong Zong","doi":"10.1016/j.ajic.2026.09.011","DOIUrl":"10.1016/j.ajic.2026.09.011","url":null,"abstract":"<p><p>Air contamination of carbapenem-resistant Acinetobacter baumannii (CRAB) was investigated in an intensive care unit with genome sequencing. CRAB was recovered from air samples (n = 13) and patients (n = 9) and belonged to ST2 (n = 16) or ST164 (n = 6). Four of the 9 ST2 clones were associated with transmission through the air within rooms or cross-room. All ST164 isolates belonged to a common clone and were found in 2 rooms. CRAB air dispersal may cause cross-room transmission at a long distance.</p>","PeriodicalId":7621,"journal":{"name":"American journal of infection control","volume":" ","pages":""},"PeriodicalIF":2.6,"publicationDate":"2026-09-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"148975221","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":"Infection control compliance, sharps injuries, and occupational exposure among dental students and interns in Yemen: A multi-university cross-sectional study.","authors":"Faisal Abulohoom, Redhwan Saleh Al-Gabri, Mohammed Al-Ammari, Tasbeeh Al-Shameri, Abdurahman Nouraddin, Dalia Wajeh Al Deen, Abdulaziz Al-Qawas, Abdulmalik Alsadi, Takwa Alkhawlani, Abdulrahman Mohammed, Abdulkareem Al-Gabri, Sharaf Aldeen Al-Shuaibi, Ahmed Yaseen Alqutaibi","doi":"10.1016/j.ajic.2026.09.006","DOIUrl":"10.1016/j.ajic.2026.09.006","url":null,"abstract":"<p><strong>Introduction: </strong>Dental trainees are at risk of sharps injuries and bloodborne pathogen exposure.</p><p><strong>Objective: </strong>This study evaluated infection prevention and control (IPC) knowledge, personal protective equipment (PPE) compliance, sharps injuries, and hepatitis B virus (HBV) vaccination coverage among dental trainees in Yemen.</p><p><strong>Methods: </strong>A cross-sectional survey was conducted among 544 senior dental students and interns. A validated questionnaire assessed IPC knowledge, practices, HBV vaccination status, and occupational exposures. Factors associated with compliance were examined using university-adjusted logistic regression.</p><p><strong>Results: </strong>Most participants demonstrated good IPC knowledge (97.4%; mean score: 8.08 ± 1.12), although only 6.1% correctly identified airborne/droplet transmission as the primary dental exposure route. Based on a composite 16-item score, 68.9% of participants achieved good overall compliance (mean score: 10.56 ± 3.04); however, compliance was highly item-specific, and itemized analysis showed critically low use of protective eyewear (17.8% always compliant) and face shields (14.3%). Sharps injuries were reported by 67.1% of participants, but only 33.2% reported incidents to supervisors. HBV vaccination coverage was 52.8%, with 29.2% completing the 3-dose series. IPC training and higher knowledge scores independently predicted good compliance. Additionally, 16.4% of female trainees reported using a niqab instead of a surgical mask during clinical procedures.</p><p><strong>Conclusions: </strong>Dental trainees in Yemen experience high rates of sharps injuries, incomplete HBV vaccination, and inadequate PPE use. Strengthening IPC training, vaccination programs, and occupational safety policies is needed to improve infection control compliance and trainee safety.</p>","PeriodicalId":7621,"journal":{"name":"American journal of infection control","volume":" ","pages":""},"PeriodicalIF":2.6,"publicationDate":"2026-09-14","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"148966177","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":"Andes hantavirus strain waste meets criteria for category A: Reconsidering infectious waste classification.","authors":"Shawn G Gibbs, Aurora B Le","doi":"10.1016/j.ajic.2026.09.007","DOIUrl":"10.1016/j.ajic.2026.09.007","url":null,"abstract":"","PeriodicalId":7621,"journal":{"name":"American journal of infection control","volume":" ","pages":""},"PeriodicalIF":2.6,"publicationDate":"2026-09-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"148954628","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":"Improving infection preventionists' work environment: Use of validated tools to measure decompression, staffing, and recognition interventions.","authors":"Jennifer Ormsby, Paula Conrad, Jenny Chan Yuen, Thomas J Sandora","doi":"10.1016/j.ajic.2026.09.004","DOIUrl":"10.1016/j.ajic.2026.09.004","url":null,"abstract":"<p><strong>Background: </strong>Infection preventionists (IP) reported increased stress and burnout during the COVID-19 pandemic. Using validated instruments, we assessed whether departmental interventions could improve the work environment for IPs.</p><p><strong>Methods: </strong>We performed a quasi-experimental study at a pediatric hospital. Following a 2021 Press Ganey engagement survey and a 2022 Healthy Work Environment Assessment Tool (HWEAT), Infection Prevention & Control (IPC) identified areas of focus and deployed interventions to address IP concerns. Outcomes were measured again in 2023 and included items about decompression, staffing, and meaningful recognition. Fisher's Exact Test was used to compare the proportion of IPs in agreement with Press Ganey items pre- vs post-intervention, and mean Likert scores were compared for HWEAT questions.</p><p><strong>Results: </strong>IP agreement with the overall decompression outcome increased significantly from 2.607 to 3.346 (P < .001). Agreement about adequate staffing from Press Ganey did not differ significantly (71.4% pre vs 61.5% post). However, mean HWEAT scores for adequate staffing and meaningful recognition improved from the \"good\" to the \"excellent\" range (3.93-4.13 and 3.87-4.31, respectively).</p><p><strong>Conclusions: </strong>Using validated tools, we demonstrated that targeted departmental interventions improved IP perceptions about their ability to decompress and disconnect from work, IPC staffing, and meaningful recognition of their work.</p>","PeriodicalId":7621,"journal":{"name":"American journal of infection control","volume":" ","pages":""},"PeriodicalIF":2.6,"publicationDate":"2026-09-09","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"148918253","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 UV-C disinfection on bacterial contamination of lead aprons in radiology departments.","authors":"Jing Li, Xuanzi Hu, Song Hu, Mingdong Gou, Liangxuan Ren, Haoyang Jia, Tingyu Chen","doi":"10.1016/j.ajic.2026.09.005","DOIUrl":"10.1016/j.ajic.2026.09.005","url":null,"abstract":"<p><strong>Background: </strong>Lead protective aprons are widely used by health care workers and patients during radiological examinations and interventional procedures to reduce radiation exposure. However, inadequate cleaning and disinfection may result in bacterial contamination, posing a potential risk of health care-associated infections. This study aimed to evaluate the efficacy of an automated ultraviolet-C (UV-C) disinfection cabinet in reducing bacterial contamination on lead protective aprons used in computed tomography (CT) examination rooms, interventional procedure suites, and intensive care unit (ICU) bedside imaging environments.</p><p><strong>Methods: </strong>A total of 12 lead aprons that had been in frequent clinical use for more than 6 months without cleaning were collected. The aprons were sourced from CT examination rooms, interventional procedure rooms, and ICU bedside imaging areas. Bacterial cultures were obtained from all aprons both before and after exposure to UV-C disinfection.</p><p><strong>Results: </strong>Before disinfection, bacterial contamination was detected at all sampling sites. The thyroid shield had the highest median colony count [12.0 (IQR, 8.8-16.0) CFU], followed by the lead protective cap [9.5 (IQR, 8.3-14.3) CFU], lead apron [6.5 (IQR, 3.8-8.0) CFU], and lead skirt [5.5 (IQR, 2.3-7.3) CFU]. Following UV-C disinfection, the median bacterial colony count at all sampling sites was reduced to 0 CFU. Mean reductions ranged from 4.92 to 11.17 CFU, corresponding to reduction rates of 98.3-100.0%. Wilcoxon signed-rank tests showed statistically significant decreases in colony counts at all sampling sites (all P ≤ .004). Overall, UV-C disinfection achieved a 99.49% reduction in bacterial contamination.</p><p><strong>Conclusions: </strong>These findings indicate that the automated UV-C disinfection cabinet significantly reduces bacterial contamination on lead aprons, thereby strengthening infection control measures and improving safety for both patients and health care personnel in radiological care environments.</p>","PeriodicalId":7621,"journal":{"name":"American journal of infection control","volume":" ","pages":""},"PeriodicalIF":2.6,"publicationDate":"2026-09-09","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"148918162","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":"Applying multi-criteria decision analysis to support infection prevention decision-making.","authors":"Diane Cullen","doi":"10.1016/j.ajic.2026.09.001","DOIUrl":"10.1016/j.ajic.2026.09.001","url":null,"abstract":"<p><p>Infection preventionists often choose among options that are safe and acceptable but affect patients, staff, workflow, equipment, cost, or compliance differently. Multi-criteria decision analysis is a method that helps teams compare these options using several criteria. The process screens required conditions, gives more weight to what matters most, calculates a score, and checks whether reasonable changes alter the result. Multi-criteria decision analysis supports but does not replace risk assessment, evidence review, team discussion, or professional judgment.</p>","PeriodicalId":7621,"journal":{"name":"American journal of infection control","volume":" ","pages":""},"PeriodicalIF":2.6,"publicationDate":"2026-09-09","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"148918225","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":"Hantavirus as an emerging global security threat: Integrating chemical, biological, radiological, nuclear, and explosive preparedness into pandemic prevention.","authors":"Gian Marco Ludovici, Alba Iannotti, Colomba Russo, Francesco Gargallo di Castel Lentini, Mostafa Mohammed Atiyah, Sijo Asokan, Simona Maiello, Irene Stilo, Federica Orazzo, Vito Graziano, Saeed Bin Hadher, John Baptist Galiwango, Manousos E Kambouris, Marta Giovanetti, Andrea Malizia","doi":"10.1016/j.ajic.2026.09.002","DOIUrl":"10.1016/j.ajic.2026.09.002","url":null,"abstract":"","PeriodicalId":7621,"journal":{"name":"American journal of infection control","volume":" ","pages":""},"PeriodicalIF":2.6,"publicationDate":"2026-09-08","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"148910669","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 evaluation of filters for sustained bacterial control in endoscope reprocessing final rinse water.","authors":"Pan Chen, ChenYing Zhou, Mei Li, LiNa Chen, Qing Gu","doi":"10.1016/j.ajic.2026.09.003","DOIUrl":"10.1016/j.ajic.2026.09.003","url":null,"abstract":"<p><strong>Background: </strong>Filter performance is critical for maintaining endoscope final rinse water quality, however comparative data on different filter types remain limited.</p><p><strong>Methods: </strong>Brominated polystyrene hydantoin (BPSH), polyethersulfone (PES), polypropylene (PP) filters were challenged with water containing ∼10⁶ CFU/mL Escherichia coli, Pseudomonas aeruginosa, and Staphylococcus aureus. Performance was assessed under dynamic (3.6 L/min flow, 6h/day) and static (8-day stagnation) conditions.</p><p><strong>Results: </strong>Under dynamic conditions, the BPSH filter consistently maintained effluent bacterial concentrations ≤10 CFU/100 mL for all three organisms throughout the 64-day study. In contrast, the PES and PP filters showed progressive deterioration in performance. Under static conditions, BPSH maintained <1 CFU/100 mL for all organisms over 7 days, whereas PES and PP exceeded the limit from day 2 for P aeruginosa and E coli, and from day 6 for S aureus.</p><p><strong>Discussion: </strong>The sustained efficacy of BPSH under both dynamic and static conditions is attributed to the continuous release of active bromine. This release kills retained bacteria and offers a significant advantage over conventional physical filters.</p><p><strong>Conclusion: </strong>BPSH provides consistent, high bacterial removal under both conditions, ideal for clinical settings with intermittent downtime.</p>","PeriodicalId":7621,"journal":{"name":"American journal of infection control","volume":" ","pages":""},"PeriodicalIF":2.6,"publicationDate":"2026-09-08","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"148910608","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 universal decolonization in intensive care units on rates of hospital-acquired Staphylococcus aureus infections.","authors":"Charley Ann Nix Moore, Mary Joyce B Wingler, Kayla R Stover, Katie E Barber, Tulip A Jhaveri, David A Cretella","doi":"10.1016/j.ajic.2026.08.018","DOIUrl":"10.1016/j.ajic.2026.08.018","url":null,"abstract":"<p><p>This study evaluated the effectiveness of universal decolonization in intensive care units to decrease hospital-acquired Staphylococcus aureus infections (HA-SAI). HA-SAI (primary endpoint) decreased from 158 patients to 80 patients; infections per 1,000 patient-days decreased from 5.36 to 2.47, and in-hospital mortality was significantly lower in the post-group (32% vs 16%; P = .008). Universal decolonization is a successful way to decrease HA-SAI and reduce in-hospital all-cause mortality amongst adult ICU patients.</p>","PeriodicalId":7621,"journal":{"name":"American journal of infection control","volume":" ","pages":""},"PeriodicalIF":2.6,"publicationDate":"2026-09-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"148879034","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":"Effect of a closed-loop audit and feedback system on compliance with multidrug-resistant organism prevention measures.","authors":"Qing Gao, Zhao Gao, Yan Wang, Yinghua Zhang, Qili Dai, Wanming Yu, Ling Cai, Kangle Guo, Yanzhi He, Siying Zhang, Yuqing Fan","doi":"10.1016/j.ajic.2026.08.017","DOIUrl":"10.1016/j.ajic.2026.08.017","url":null,"abstract":"<p><strong>Background: </strong>Knowledge-practice gaps hinder consistent compliance with multidrug-resistant organism (MDRO) prevention measures. We evaluated the impact of an integrated closed-loop audit and feedback system on infection prevention and control (IPC) adherence.</p><p><strong>Methods: </strong>This prospective pre-post study (2024-2025) implemented standardized checklist audits, fluorescent marker monitoring, and real-time mobile application feedback. Data were analyzed using generalized estimating equation (GEE) and Pareto analysis to identify independent predictors and key improvement drivers.</p><p><strong>Results: </strong>The intervention independently increased overall compliance by 24.97 percentage points (95% CI: 22.28-27.66, P < .001), with median compliance rising from 58.82%-84.62%. Pareto analysis showed that 13 key measures, including terminal cleaning, intensive caregiver engagement, and standardized isolation protocols, drove 82.34% of improvements. Bedside and single-room isolation were positive predictors, while informal caregiver presence was a negative predictor (β = -13.11, P < .001). Environmental cleaning compliance was 82.58%, with deficiencies noted on small, irregular surfaces. Post-intervention MDRO detection rates remained consistently below the 34.37% baseline.</p><p><strong>Conclusions: </strong>The closed-loop system significantly enhanced compliance with IPC. Sustainable containment requires integrating precision microisolation and structured caregiver management into clinical workflows.</p>","PeriodicalId":7621,"journal":{"name":"American journal of infection control","volume":" ","pages":""},"PeriodicalIF":2.6,"publicationDate":"2026-09-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"148878972","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}