Hand-hygiene-related clinical trials reported between 2014 and 2020: a comprehensive systematic review

The '5 Moments for Hand Hygiene': casting a critical eye on the implications for practice

The '5 Moments' approach is a time-space framework that delineates when hand hygiene should be performed and provides a resource for educators and auditors. It has become the dominant paradigm for organisations, practice, policy, and research in relation to hand hygiene. It is a concept that adopts the 'precautionary principle' that if the relative risk of a specific care task is unknown, a safe system must be to treat them on an equal level. However, a literal interpretation will frequently result in an extraordinary, implausible number of hand-hygiene opportunities and if this then becomes the standard to audit practice, within a policy document that espouses zero tolerance, it is likely to generate inauthentic data. If used effectively the 5 Moments concept provides an opportunity to enhance practice and reduce healthcare-associated infections but the healthcare provider organisation must embody a 'just culture' and collect the data in a climate of openness, transparency, and learning.

IoT-Based Hand Hygiene Compliance Monitoring System and Validation of Its Effectiveness in Hospital Environments

Healthcare-associated infection (HAI) is the most common adverse medical event that affects patients. Internationally, healthcare workers (HCWs) are monitored for hand hygiene compliance to reduce HAI risk. While direct observation is considered the gold standard for monitoring, it has several disadvantages. To address this, the study focused on developing a comprehensive hand hygiene system that integrates the Internet of Things (IoT) hand hygiene with soap and water (HHW) and alcohol-based formulation (HHA) monitoring, incorporates real-time data visualization on a web interface to track HCWs' hand hygiene practices, and provides instant calculations of compliance and accuracy rates. This IoT system uses Bluetooth for HCW positioning and HHW detection, ultrasonic sensors for handwashing duration, and pressure sensors for HHA detection. Furthermore, a cloud server, database, and website are established to manage and display the data received by the IoT devices. To reduce HAI in Taiwan, hospitals must provide both HHW and HHA systems, and HCWs can choose either method when hand hygiene is necessary. The system achieved 72% accuracy in clinical practice within an adult intensive care unit (ICU).

Kotter's 8-step change model to improve hand hygiene compliance in intensive care unit: A 41-month prospective longitudinal quality improvement study

BACKGROUND

Despite numerous studies assessing bundled interventions to enhance hand hygiene compliance (HHC), compliance rates persist at suboptimal levels. Our objective was to employ Kotter's Change Model (KCM) to enhance HHC and conduct a comprehensive process evaluation among medical staff within the intensive care unit (ICU).

METHODS

KCM was implemented at the ICU of Zhongnan Hospital of Wuhan University from March 2018 to August 2021, with a 41-month longitudinal monitoring of HHC. The primary outcome focused on the absolute monthly change in HHC. Secondary outcomes encompassed the HHC characteristics across different phases, varying trends in HHC concerning different hand hygiene opportunities and occupations, quarterly incidences of central line-associated bloodstream infections (CLABSI) and catheter-associated urinary tract infections (CAUTI).

RESULTS

This study included 20,222 hand hygiene actions and 24,195 opportunities. The overall HHC was 83.58 % (95 %CI, 83.11 %-84.04 %). Following the KCM implementation, HHC surged from 35.71 % (95 % CI, 22.99 %-50.83 %) to 87.75 % (95 % CI, 85.53 %-89.67 %), reflecting a notable increase of 145.73 %. The most rapid growth in HHC occurred post-patient contact, elevating from 35.29 % to 89.8 %. Despite escalating patient numbers and treatment complexities annually, the quarterly rates of CLABSI (0 ‰-3.53 ‰) and CAUTI (0.96 ‰-4.26 ‰) remained consistently low.

CONCLUSION

Utilizing KCM systematically alters healthcare providers' perception of hand hygiene, fostering an environment that advocates for and sustains improved HHC among ICU personnel.

IMPLICATIONS FOR CLINICAL PRACTICE

The Kotter's change model can be an effective framework for healthcare organizations to systematically improve and maintain hand hygiene compliance among healthcare providers, which can in turn help reduce healthcare-associated infections.

A "Wise" Intervention to Increase Hand Hygiene Compliance of Nurses in Acute Care Units in US Hospitals: A Multiple Baseline Interrupted Time-Series Evaluation

Objective: This study tested a 'wise' intervention (quick prompt of a specific psychological mec) in acute care hospital units to improve nurses' hand hygiene compliance (HHC). Design: A multiple baseline design in two medical-surgical teaching hospitals in the United States. Measurements: Hand hygiene data was collected using an electronic compliance monitoring system with sensors placed in doorways and on corresponding soap and alcohol-based hand rub dispensers. The outcome measure was the proportion of opportunities in which HH was undertaken by staff per week in each unit. Intervention: A quick-and-easy psychological prime to reinvigorate professional identity. Methods: Interrupted time series analysis using a quasi-Poisson regression model with statistical process control charts for each unit. Results: A statistically significant increase in HHC rates that was sustained for months post-intervention. However, the patterns by unit were not statistically significant once temporal trends were considered. Other factors, such as the unit type and the use of incentives could have impacted the results. Conclusions: These analyses suggest that the aggregate impact should not be taken as evidence of intervention effectiveness. This study therefore cannot be considered to have provided a strong foundation for use of a 'wise' intervention, despite its relatively small financial, logistical and psychological cost.

Photodynamic coatings kill bacteria on near-patient surfaces in intensive care units with low light intensities

BACKGROUND

Surfaces in close proximity to patients within hospitals may cause healthcare-associated infections. These surfaces are repositories for pathogens facilitating their transmission among staff and patients. Regular cleaning and disinfection of these surfaces provides only a temporary elimination of pathogens with inevitable recontamination. Antimicrobial coatings (AMCs) of such surfaces may additionally reduce the risk of pathogen transmissions.

AIM

To evaluate the efficacy of a standard and a novel photodynamic AMC, even at very low light intensities, in a field study conducted in two ICUs at our university hospital.

METHODS

The microbial burden was determined on three coatings: standard photodynamic AMC (A), a novel photodynamic AMC (B), and an inactive AMC as control (C). The control coating C was identical to standard coating A, but it contained no photosensitizer. During a three-month period, 699 samples were collected from identical surfaces using eSwab and were analysed (cfu/cm2).

FINDINGS

Mean values of all surfaces covered with control coating (C) showed a microbial burden of 5.5 ± 14.8 cfu/cm2. Photodynamic AMC showed significantly lower mean value of 1.6 ± 4.6 cfu/cm2 (coating A; P < 0.001) and 2.7 ± 9.6 (coating B; P < 0.001). When considering a benchmark of 2.5 cfu/cm2, the relative risk for higher microbial counts was reduced by 52% (coating A) or 40% (coating B), respectively.

CONCLUSION

Both photodynamic AMCs offer a substantial, permanent risk reduction of microbial counts on near-patient surfaces in ICUs with low light intensities.

Trends in the hand hygiene practices using alcohol-based hand rubs in Japanese hospitals before and after the novel coronavirus pandemic: an observational study using national surveillance data

BACKGROUND

Healthcare-associated infections (HAIs) are a global concern in healthcare facilities, and hand hygiene (HH) using alcohol-based hand rubs (ABHR) is fundamentally crucial for their prevention. While previous studies report improvements in HH compliance amid the COVID-19 pandemic, the real situation in Japanese medical settings remains unclear.

METHODS

This observational study sought data from the Japanese national surveillance, focusing on ABHR use in hospitals before and after the COVID-19 pandemic. Data were retrieved from facilities certified to receive the Additional Healthcare Reimbursements for Infection Prevention and Control I. The study spanned five years (2019-2023), segmented quarterly, and employed Joinpoint regression analysis to assess the annual percentage change (APC).

RESULTS

Overall, ABHR use per patient per day significantly increased both in critical care units and general wards amid the pandemic. However, the APC in the critical care units demonstrated a downward trend from Q4 of 2021 to Q1 of 2023, and ABHR use in general wards remained below the amount of WHO recommendations.

CONCLUSION

This trend analysis highlighted recent patterns of ABHR use in Japanese hospitals by comparing pre- and post-COVID-19 periods. Although increases in ABHR use were observed over time, sustained efforts to promote HH compliance are necessary, particularly in general wards.

A Prospective Clinical Audit of Sterile Surgical Glove-Donning Practices Among Young Surgeons at a Tertiary Care Hospital in Sudan

Background Adherence to aseptic protocols and proper sterilization is critical for optimal patient recovery post-surgery. The standard procedure for donning sterile surgical gloves helps manage infection risk and maintain surgical site cleanliness by following aseptic principles. This study evaluates adherence to these protocols among young surgeons at a tertiary care hospital in Sudan. Methods This prospective audit included 42 young residents and house officers at a tertiary care hospital in Sudan, following ethical clearance. Compliance with sterile surgical glove-donning practices was assessed using the World Health Organization (WHO) pre- and post-intervention criteria. Participants were observed in the operating room without prior notice. The intervention comprised a video presentation and a live demonstration. Results Pre-intervention adherence to standard criteria for donning sterile surgical gloves was 73.4% (n= 31). This rate increased significantly to 91.4% (n= 38) following the intervention and showed marked improvement. Conclusion The audit demonstrated a significant improvement in adherence to donning sterile surgical gloves practices after the intervention. Implementing WHO guidelines effectively enhances compliance, reduces infection risks, and increases awareness of aseptic practices.

Significance of Ongoing Training and Professional Development in Optimizing Healthcare-associated Infection Prevention and Control

The employees who work in infection prevention and control (IPC) are very important in the field of health-care because they are committed to protecting patients, staff, and visitors from the risk of acquiring infections while in the hospital. The complexity of infection control in hospitals is alwaysgrowing in tandem with the rapid developments that are being made in medical technology andpractices. IPC personnel are required to maintain vigilance and continually improve their monitoringof the entire health-care process due to the ongoing development of IPC guidelines and regulations, the fluctuating infection risks, and the emergence of new infectious diseases. As a result, individuals involved in the prevention and control of infections in health-care settings absolutely need to participate in continual training and professional development. This reviewemphasizes the need of relevant professionals to engage in ongoing training and professional development to maintain their skills in the area of healthcare-associated infection control and prevention. Personnel working in IPC may more effectively react to newly discovered health risks andmake certain that hospital infection (HI) management gets the appropriate attention if they have atimely and in-depth awareness of best practices. They are better able to maintain their composure, react correctly, and deliver the most effective infection control and prevention techniques for the health-care system, all while increasing awareness about the significance of effective HI management.

Implementing an Internal Audit: Evaluating Hand Scrub Compliance in a Tertiary Care Hospital

Background Aseptic protocol adherence and sterilization are the most important factors in a patient's satisfactory recovery after surgery. The standard hand scrubbing procedure helps control infection and keeps the surgical site clean by adhering to aseptic principles. Methods Thirty-six young residents and house officers participated in this prospective audit after ethical clearance was obtained. The World Health Organization (WHO) standard criteria were adhered to both before and after the intervention. Participants were observed in the surgical operation theatre (OT) without prior notice to ensure hand hygiene compliance before surgical procedures. The intervention included a video presentation as well as a live demonstration. Results Only 64.41% (n=23) of residents and house officers followed the recommended standard hand hygiene procedures before the intervention. This percentage rose to 93.92% (n=33) following the intervention, suggesting a noteworthy improvement. Conclusion Significant changes in the acceptance rates for the essential requirements of hand hygiene were observed after the evaluation in the second cycle. Adhering to WHO guidelines for procedures will help reduce the risk of infections and promote awareness of asepsis in practice.

Workflows and locations matter - insights from electronic hand hygiene monitoring into the use of hand rub dispensers across diverse hospital wards

Background

While healthcare-associated infections (HAIs) affect approximately 3.2-6.5% of hospitalised patients in the US and Europe, improving hand hygiene (HH) could reduce HAI rates. Investigating HH is time-consuming and not always objective, and comprehensive, unbiased data is needed to develop effective strategies. Using electronic tools can provide new and detailed insights on the determinants of HH.

Aim

To evaluate location-dependent usage of wall-mounted dispensers (WMDs) and point-of-care dispensers (POCs) using an electronic HH recording system.

Methods

In this retrospective study, hand rub volumes were anonymously recorded for 931,446 disinfections from 17 wards in nine German hospitals using the electronic monitoring system NosoEx®. Number of disinfections and rub volumes of WMDs/POCs by ward and room type were analysed.

Findings

Generally, WMDs were most prevalent. With >3 dispensers per bed and >20 disinfections per patient day, availability and use were highest in intensive care (ICU) and intermediate care (IMC), but here rub volumes from WMDs were lowest (∼2.0 mL). Although most dispensers are located in patient rooms (∼42%), they are more frequently used in hallways. In surgical ICUs, dispensers are often used in patient rooms, where contact with open wounds is common. About 3.6 mL of hand rub is used per disinfection in treatment rooms, the highest volume of all room types.

Conclusion

Dispenser use was dependent on location, room type, ward specialisation and workflow. Optimising the location of hand rub dispensers (HRDs)s is not the only solution to improve HH, but can help reduce inconvenience, achieve more ergonomic workflows and better meet user needs.

Hand hygiene knowledge, attitude, and practice before, during and post COVID-19: a cross-sectional study among university students in the United Arab Emirates

Aims

Hand hygiene (HH) is an essential practice to evade the transmission of germs and minimize community-acquired infections. This study assesses the knowledge, attitude and practice (KAP) of HH and other health and safety measures before, during, and after the COVID-19 pandemic. in university students in the United Arab Emirates (UAE).

Methods

A cross-sectional questionnaire study was conducted between December 2022 and March 2023, targeting university students from all disciplines and study levels. A 44-item questionnaire was used which included student demographics, knowledge, attitude, and practice of HH, as well as the anticipated risk of COVID-19 morbidity and mortality. Participants consented before commencing the questionnaire, and the collected data were analysed using the student's t-test and ANOVA test, as required.

Results

A total of 378 responses were received nationwide, with a valid response rate of 98%. The HH knowledge revealed an average score of 62%, which was significantly higher in students with moderate family income. Additionally, the average attitude score was 74.7%, as measured on the Likert scale, and the score lacked any correlation with the other variables. HH practice showed an average score of 86.8%, which was correlated with the students' gender and field of study.

Conclusions

This study showed a moderate level of knowledge, a good attitude, and good practice around HH and other safety measures among the UAE's university students. Socioeconomic status, gender, and field of study influenced the study outcomes. This study highlights the need for effective awareness campaigns to reinforce students' health and safety, especially for male and non-health science students, in order to protect against communicable diseases.

Hand hygiene compliance in nursing home wards: the effect of increased accessibility of alcohol-based hand rub

BACKGROUND

Elderly nursing home residents are vulnerable to infection from micro-organisms. Hand hygiene is considered one of the most important measures to prevent transmission.

AIM

To determine the effect of increased accessibility to alcohol-based hand rub (ABHR) in nursing home wards by monitoring hand hygiene compliance (HHC) among healthcare workers (HCWs).

METHODS

An 11-month intervention study was conducted in a Danish six-ward nursing home. Data were collected using an automatic hand hygiene monitoring system (AHHMS). After a baseline period, one extra ABHR dispenser was placed in each of the 150 apartments. Baseline HHC was compared with the HHC during an immediate intervention period and a long-term intervention period.

FINDINGS

A total of 159 HCWs were included. The AHHMS registered 341,078 hand hygiene opportunities. Overall baseline HHC was 31% (95% confidence interval: 30-32). A significant +18% absolute immediate effect (first five months) (95% CI: 17-19; P < 0.0001) and +13 percentage points (95% CI: 11-14; P < 0.0001) long-term effect (another four months) were recorded. HCWs working day shifts and short-term employees had a higher baseline HHC than HCWs working evening/night shifts. However, HCWs working night shifts achieved the greatest long-term effect with a mean +27 percentage point difference (P < 0.0001).

CONCLUSION

Placing an additional ABHR dispenser strategically within staff workflow significantly increased HHC among HCWs, demonstrating a noteworthy effect. The study is the first to report the effect on nursing home dispenser accessibility as a single intervention and to show a significant unmet potential.

Workplace interventions to reduce the risk of SARS-CoV-2 infection outside of healthcare settings

BACKGROUND

Although many people infected with SARS-CoV-2 (severe acute respiratory syndrome coronavirus 2) experience no or mild symptoms, some individuals can develop severe illness and may die, particularly older people and those with underlying medical problems. Providing evidence-based interventions to prevent SARS-CoV-2 infection has become more urgent with the potential psychological toll imposed by the coronavirus disease 2019 (COVID-19) pandemic. Controlling exposures to occupational hazards is the fundamental method of protecting workers. When it comes to the transmission of viruses, workplaces should first consider control measures that can potentially have the most significant impact. According to the hierarchy of controls, one should first consider elimination (and substitution), then engineering controls, administrative controls, and lastly, personal protective equipment. This is the first update of a Cochrane review published 6 May 2022, with one new study added.

OBJECTIVES

To assess the benefits and harms of interventions in non-healthcare-related workplaces aimed at reducing the risk of SARS-CoV-2 infection compared to other interventions or no intervention.

SEARCH METHODS

We searched the Cochrane Central Register of Controlled Trials (CENTRAL), MEDLINE, Embase, Web of Science Core Collections, Cochrane COVID-19 Study Register, World Health Organization (WHO) COVID-19 Global literature on coronavirus disease, ClinicalTrials.gov, the WHO International Clinical Trials Registry Platform, and medRxiv to 13 April 2023.

SELECTION CRITERIA

We included randomised controlled trials (RCTs) and non-randomised studies of interventions. We included adult workers, both those who come into close contact with clients or customers (e.g. public-facing employees, such as cashiers or taxi drivers), and those who do not, but who could be infected by coworkers. We excluded studies involving healthcare workers. We included any intervention to prevent or reduce workers' exposure to SARS-CoV-2 in the workplace, defining categories of intervention according to the hierarchy of hazard controls (i.e. elimination; engineering controls; administrative controls; personal protective equipment).

DATA COLLECTION AND ANALYSIS

We used standard Cochrane methods. Our primary outcomes were incidence rate of SARS-CoV-2 infection (or other respiratory viruses), SARS-CoV-2-related mortality, adverse events, and absenteeism from work. Our secondary outcomes were all-cause mortality, quality of life, hospitalisation, and uptake, acceptability, or adherence to strategies. We used the Cochrane RoB 2 tool to assess risk of bias, and GRADE methods to evaluate the certainty of evidence for each outcome.

MAIN RESULTS

We identified 2 studies including a total of 16,014 participants. Elimination-of-exposure interventions We included one study examining an intervention that focused on elimination of hazards, which was an open-label, cluster-randomised, non-inferiority trial, conducted in England in 2021. The study compared standard 10-day self-isolation after contact with an infected person to a new strategy of daily rapid antigen testing and staying at work if the test is negative (test-based attendance). The trialists hypothesised that this would lead to a similar rate of infections, but lower COVID-related absence. Staff (N = 11,798) working at 76 schools were assigned to standard isolation, and staff (N = 12,229) working at 86 schools were assigned to the test-based attendance strategy. The results between test-based attendance and standard 10-day self-isolation were inconclusive for the rate of symptomatic polymerase chain reaction (PCR)-positive SARS-CoV-2 infection (rate ratio (RR) 1.28, 95% confidence interval (CI) 0.74 to 2.21; 1 study; very low-certainty evidence). The results between test-based attendance and standard 10-day self-isolation were inconclusive for the rate of any PCR-positive SARS-CoV-2 infection (RR 1.35, 95% CI 0.82 to 2.21; 1 study; very low-certainty evidence). COVID-related absenteeism rates were 3704 absence days in 566,502 days-at-risk (6.5 per 1000 working days) in the control group and 2932 per 539,805 days-at-risk (5.4 per 1000 working days) in the intervention group (RR 0.83, 95% CI 0.55 to 1.25). We downgraded the certainty of the evidence to low due to imprecision. Uptake of the intervention was 71% in the intervention group, but not reported for the control intervention. The trial did not measure our other outcomes of SARS-CoV-2-related mortality, adverse events, all-cause mortality, quality of life, or hospitalisation. We found seven ongoing studies using elimination-of-hazard strategies, six RCTs and one non-randomised trial. Administrative control interventions We found one ongoing RCT that aims to evaluate the efficacy of the Bacillus Calmette-Guérin (BCG) vaccine in preventing COVID-19 infection and reducing disease severity. Combinations of eligible interventions We included one non-randomised study examining a combination of elimination of hazards, administrative controls, and personal protective equipment. The study was conducted in two large retail companies in Italy in 2020. The study compared a safety operating protocol, measurement of body temperature and oxygen saturation upon entry, and a SARS-CoV-2 test strategy with a minimum activity protocol. Both groups received protective equipment. All employees working at the companies during the study period were included: 1987 in the intervention company and 1798 in the control company. The study did not report an outcome of interest for this systematic review. Other intervention categories We did not find any studies in this category.

AUTHORS' CONCLUSIONS

We are uncertain whether a test-based attendance policy affects rates of PCR-positive SARS-CoV-2 infection (any infection; symptomatic infection) compared to standard 10-day self-isolation amongst school and college staff. A test-based attendance policy may result in little to no difference in absenteeism rates compared to standard 10-day self-isolation. The non-randomised study included in our updated search did not report any outcome of interest for this Cochrane review. As a large part of the population is exposed in the case of a pandemic, an apparently small relative effect that would not be worthwhile from the individual perspective may still affect many people, and thus become an important absolute effect from the enterprise or societal perspective. The included RCT did not report on any of our other primary outcomes (i.e. SARS-CoV-2-related mortality and adverse events). We identified no completed studies on any other interventions specified in this review; however, eight eligible studies are ongoing. More controlled studies are needed on testing and isolation strategies, and working from home, as these have important implications for work organisations.

Infection prevention and control compliance of healthcare workers towards COVID-19 in conflict-affected public hospitals of Ethiopia

OBJECTIVE

Non-compliance with COVID-19 infection prevention and control (IPC) is one of the global public health problems particularly among those frontline healthcare workers. However, there are no detailed investigations on COVID-19 IPC compliance among healthcare workers in conflict-affected settings. The objective of this research was to assess compliance with COVID-19 IPC measures and determine the factors associated with it among healthcare providers in Ethiopian governmental hospitals affected by conflict.

DESIGN

A cross-sectional study was carried out within institutional settings.

STUDY SETTING AND PERIOD

The study was conducted in three public hospitals located in northeastern Ethiopia during the period of March to April 2022.

PARTICIPANTS

Simple random sampling technique was used to select 325 healthcare workers after proportional allocation was made to each public hospital.

PRIMARY OUTCOME MEASURES

The primary outcome was non-compliance with COVID-19 IPC. A multivariable logistic regression analysis was employed to identify factors associated with the lack of adherence to the COVID-19 IPC protocol.

RESULTS

Nearly half (150, 46.2%) of the healthcare workers had non-compliance with COVID-19 IPC protocol. Absence of hand washing soap (adjusted OR (AOR)=2.99; 95% CI 2.46 to 5.76), workload (AOR=2.25; 95% CI 1.33 to 3.84), disruption in the supply of piped water (AOR=1.82; 95% CI 1.11 to 2.99), did not undergo training in COVID-19 IPC (AOR=2.85; 95% CI 1.85 to 4.84), absence of COVID-19 IPC guidelines (AOR=2.14; 95% CI 1.11 to 4.13) and chewing khat (AOR=2.3; 95% CI 1.32 to 3.72) were determinant factors for non-compliance.

CONCLUSIONS

The magnitude of non-compliance with COVID-19 IPC was high. Hospital managers and federal ministry of health should provide regular training on COVID-19 IPC, continuous piped water and personal protective facilities for healthcare workers. Ultimately, improving the security situation in the area would help improve COVID-19 IPC compliance among healthcare workers in these and other similar conflict-affected settings.

Hand hygiene with interventions: an observational study from a tertiary care institute over 2 years

Background

Appropriate adherence to hand hygiene (HH) practices by health care workers (HCWs) reduces the transmission of pathogens and subsequently the incidence of hospital acquired infections (HAIs), in health care settings. Strict monitoring and auditing of this simple and cost-effective intervention is very important, as it significantly contributes in reducing the HAIs.

Material and methods

A retrospective observational study, evaluating the HH audits from June 2021 till May 2023 in a tertiary health care facility in North India. HH audits were conducted in the ICUs and wards daily, by the trained infection control nurses (ICNs), using direct observation method based on World health organization (WHO) hand hygiene observational forms. HH total adherence (HHTAR), partial adherence (HHPAR) and complete adherence rate (HHCAR) were analyzed in Microsoft Excel sheet. HHTAR rates were compared among different profession, moments and the month wise trend was also observed over the period.

Results

A total of 24,740 HH opportunities were observed. The compliance rate for HHCAR, HHPAR and HHTAR were 20.3%, 41.5% and 61.4% respectively. Overall better compliance was reported from the ICUs, profession-specific compliance was highest among nurses (62.8%) and doctors (61.5%). Significant increase in adherence rate was appreciated post intervention 46.1% to 67.3%, (p value < 0.01).

Conclusions

Continuous monitoring and reinforcement with timely feedback for intervention and regular auditing is a necessity to improve and maintain the appropriate HH practices among the HCWs. Low- and middle-income countries need to focus more on this simple and promising measure to combat the increasing HAI rates.

Activity of antimicrobial examination gloves under realistic conditions: challenge not fulfilled

BACKGROUND

Antimicrobial materials or surfaces are advertised as part of infection prevention bundles. However, the efficacy of such antimicrobial surfaces has not been sufficiently investigated in hospitals. In this study, the antimicrobial activity of examination gloves with light-activated antimicrobial properties against Gram-positive microorganisms was investigated modelling real live conditions.

METHOD

In a standardized experimental set-up with dry and realistic contamination, the antimicrobial properties of gloves claiming light dependent antimicrobial activity against Gram-positive organisms were tested in comparison with conventional examination gloves. All gloves were contaminated through a standardized activity of the test persons for construction with contaminated building blocks. For contamination suspensions of Enterococcus faecium ATCC 6057, Acinetobacter baumannii (outbreak strain), methicillin resistant Staphylococcus aureus ATCC 43300 or E. faecium (VRE) patient isolate were dried on the surfaces. After the standardized activity, the gloves were held for 10 min in the light present in the room (bright conditions) and the grade of contamination was determined subsequently by quantitative culture. In one experimental series gloves were held in a dark box after contamination as a control (dark conditions).

RESULTS

The light intensity in all experiments under bright conditions was significantly above the limit value specified by the manufacturer for the activation of antimicrobial properties (> 500 lx). The mean values for experiments with antimicrobial active and non-active gloves were 955 and 935 lx, respectively. As claimed by the manufacture, the gloves showed no sufficient efficacy against A. baumannii under bright conditions. Against Gram-positive microorganisms such as E. faecium, E. faecium (VRE) and methicillin resistant S. aureus the gloves showed only very low antimicrobial activity with a reduction factor < 1 log10 even after 10 min in bright conditions. Interestingly, comparable results for experiments with A. baumannii and E. faecium were shown under dark conditions.

CONCLUSION

The lack of activity of the active principle against Gram-negative microorganisms could be confirmed. The reduction factors of > 4 log10 within 5 min for Gram-positive microorganisms claimed for the product using a standard test procedure (ASTM D7907) could not be confirmed in a realistic experimental test set-up even after 10 min of light exposure. The effectiveness against Gram-positive microorganisms should be further investigated under realistic (dry) conditions, including patient care. At this stage, the use of supposedly antimicrobial gloves should not be recommended, as the belief in their efficacy may encourage the misuse of gloves.

Effect of video camera monitoring feedback on hand hygiene compliance in neonatal intensive care unit, an interventional study

BACKGROUND

The purpose of this study was to determine whether use of a video camera surveillance system for hand hygiene (HH) monitoring, video-based education, and feedback could improve the HH compliance in a neonatal intensive care unit (NICU).

METHODS AND MATERIALS

This was an interventional before-after trial conducted in a level-III NICU between July 2019 and June 2020. HH compliance was measured using randomly selected video-camera footage in the baseline, intervention, and maintenance periods. After the baseline, an intervention consisting of feedback and education with video scenarios was implemented. The primary outcome was change in HH compliance. The compliance rates were analyzed as an interrupted time series (ITS) with a segmented regression model adjusted for autocorrelation for each study period.

RESULTS

We identified a total of 8335 HH indications. There were non significant increases in the total compliance rate (9.0%, 95% CI -2% to 20%) at the time of intervention and in the compliance rate after intervention (0.26%, 95% CI -0.31% to 0.84%) per day. The hand hygiene compliance before patient contact significantly increased (19.8%, 95% CI, 4.8%-34.8%). Incorrect glove use improved non-significantly with the intervention (-3.4%, 95% CI -13.4% to 6.7%).

CONCLUSION

In this study of HH monitoring using video-camera footage combined with an intervention including feedback and education, there were inconsistent improvements in HH compliance. However, these improvements were not sustained in the long term. Frequent feedback and education may be required to sustain high compliance.

Efficacy of Interventions Based on WHO Multimodal Hand Hygiene Improvement Strategy in a Tertiary Care Hospital in Eastern India: A Quasi-Experimental Study

The study aimed to evaluate the efficacy of the World Health Organization (WHO) multimodal hand hygiene improvement (WHO-5) strategy in enhancing hand hygiene compliance among health care workers at a tertiary care hospital. The interrupted time series study included preintervention, intervention, and postintervention phases, with 2 points of observation each during the pre- and postintervention phases. The baseline hand hygiene compliance was 16%, which improved to 43.9% after the intervention. Health care workers were 4 times more likely to adhere to proper hand hygiene postintervention (odds ratio [OR], 4.117). Independent predictors of hand hygiene compliance included the week of observation (week 3: adjusted odds ratio [AOR], 0.872; week 5: AOR, 3.427; and week 7: AOR, 4.713), health care worker type (consultants: AOR, 0.964; residents: AOR, 2.187; and interns: AOR, 6.684), daytime (AOR, 1.232), and "after" type of hand hygiene opportunity (AOR, 1.577). No significant differences were found in knowledge, attitude, and practices pre- and postintervention, and the interventions' effect was sustained and increased over time, supporting implementation in hospitals across India.

Hand Scrubbing and Donning of Sterile Surgical Gloves: An Observational Clinical Audit of Novice Dental Surgeons

Background The most critical factors in the satisfactory recovery of a patient post-surgery are obedience to sterilization and aseptic protocol. Using aseptic principles, the standard hand scrubbing and gloving procedure prevents contamination of the surgical site and aids in infection control.  Methods Eighty dental interns were observed during minor oral surgical procedures for hand scrubbing and donning sterile surgical gloves, following the steps and guidelines provided by World Health Organization (WHO). The dental interns were evaluated, and in order to enhance their understanding of hand scrubbing and donning surgical gloves, desensitization programs were conducted through lectures using PowerPoint presentations. After one week, the participants were observed and evaluated again. This program made the participants aware of asepsis and infection control in clinical practice. Results Prior to intervention, only 37.14% of young dental surgeons performed proper conventional hand hygiene practices. After the intervention, this percentage increased to 62.142%, indicating a significant improvement. Regarding the donning of sterile surgical gloves, 43.75% of participants followed the standard steps before the intervention. After the intervention, the percentage raised to 86.25% indicating substantial growth. Conclusion Observations before and after the evaluation demonstrated significant changes in the acceptance rates for the fundamental criteria of hand hygiene and donning sterile surgical gloves. Adhering to both procedures according to WHO guidelines will help to reduce the risk of infections and raise awareness about asepsis in the practice among young dental surgeons.

Effectiveness of educational and training intervention for improving hand hygiene compliance amongst nurses: a systematic review and meta-analysis of randomised controlled trials

BACKGROUND AND AIMS

Developing and implementing an educational and training programmes for improving hand hygiene compliance of the nursing personnel might help in increasing their knowledge, promoting positive attitude and follow adequate practice measures.

MATERIAL AND METHODS

Systematic search was done in PubMed, SCOPUS, CENTRAL, EMBASE, ScienceDirect, Clinicaltrials.gov and Google Scholar databases for articles published between 1964 and December 2022. Meta-analysis was carried out using a random-effects model, and the results were reported as pooled risk ratio (RR) with 95% confidence intervals (CIs), pooled standardised mean differences (SMD) or risk ratios (RR).

RESULTS

Eight studies were included in the analysis. Most studies had higher risk of bias. Nurses receiving educational and training programmes had significantly higher compliance to hand hygiene practices (pooled RR of 1.69 [95% CI: 1.23-2.31; I2  =  99.1%], p  =  0.001). The pooled analysis based on studies reporting the compliance to hand hygiene as continuous outcome has reported the pooled SMD as 1.28 with 95% CI: 0.62 to 1.95 and I2  =  74.5%. There were no single-study effects with respect to this outcome, since the sensitivity analysis showed no difference in either direction or strength of effect estimate.

CONCLUSION

Educational and training programmes are effective in improving the hand hygiene compliance amongst the nursing professionals.

The impact of COVID-19 pandemic on hand hygiene compliance of healthcare workers in a tertiary hospital in East China

Introduction

Hand hygiene is a cost-effective measure to reduce healthcare-associated infections (HAIs) in healthcare facilities. The impact of the coronavirus disease 2019 (COVID-19) pandemic on hand hygiene performance (HHP) provided evidence for targeted hand hygiene intervention measures.

Methods

This study evaluated the HHP rate in a tertiary hospital before and after the COVID-19 outbreak. HHP was checked by infection control doctors or nurses every day, and they inputted the HHP rate to the full-time infection control staff every week. A random examination of HHP was conducted by a confidential worker every month. The HHP of healthcare workers (HCWs) was monitored in the outpatient department, inpatient ward, and operating room from January 2017 to October 2022. The influence of COVID-19 prevention and control strategies on HHP was elucidated by analyzing the results of HHP during the study period.

Results

The average HHP rate of HCWs was 86.11% from January 2017 to October 2022. The HHP rate of HCWs after the COVID-19 pandemic was statistically significantly higher than that before the pandemic (P < 0.001). The HHP rate was the highest (93.01%) in September 2022 when the local epidemic occurred. Among the different occupation categories, medical technicians showed the highest HHP rate (89.10%). The HHP rate was the highest after contact with body fluids or blood of patients (94.47%).

Conclusion

The HHP rate of HCWs in our hospital showed an increasing trend in the recent 6 years, especially during the COVID-19 pandemic, and the increase was most obvious during the local epidemic.

Train-the-Trainers in hand hygiene facilitate the implementation of the WHO hand hygiene multimodal improvement strategy in Japan: evidence for the role of local trainers, adaptation, and sustainability

BACKGROUND

"Train-the-Trainers in hand hygiene" (TTT) is a standardized training to train infection prevention and control (IPC) practitioners with the aim to promote hand hygiene in health care according to the World Health Organization (WHO) multimodal improvement strategy. Little is known in the literature about the sustained impact of hand hygiene and IPC trainings adapted locally. The aim of this study is to describe the impact of three TTT courses conducted annually in Japan on the adoption of the WHO multimodal improvement strategy by local IPC practitioners who became a "trainer" after their first TTT participation as a "trainee".

METHODS

Three TTT courses were conducted annually from 2020 to 2022 in Japan. A team "TTT-Japan" composed of more than 20 IPC practitioners who completed their first TTT participation adapted the original TTT program to reflect the local healthcare context in Japan, and subsequently convened the 2nd and 3rd TTTs. Pre- and post-course evaluations and post-course satisfaction surveys of the course participants were conducted to assess improvement in knowledge on hand hygiene and perception towards the course, respectively. Attitude and practice surveys of the TTT-Japan trainers were conducted to assess their perception and experience in hand hygiene promotion. The Hand Hygiene Self-Assessment Framework (HHSAF), a validated tool created by WHO to monitor the capacity of hand hygiene promotion at facility level, was applied at TTT-Japan trainers' facilities to compare results before and after trainers' engagement. We applied inductive thematic analysis for qualitative analyses of open-ended survey questions of the trainers' attitude and practice surveys, and the Wilcoxon Sign Rank test for quantitive comparisons of pre- and post-data for the surveys and HHSAF.

RESULTS

158 Japanese healthcare workers participated in three TTT courses, the majority of whom (131, 82.9%) were nurses. Twenty-seven local trainers were involved in 2nd and 3rd TTTs. The scores of pre- and post-course evaluations significantly improved after the course (P < 0.001) and the improvement was consistent across all three TTTs. Post-course satisfaction survey showed that over 90% of the participants reported that the course met their expectations and that what they learned in the courses would be useful for their practice. Trainers' attitude and practice survey showed that more than three quarters (76.9%) of the trainers reported that their experience as a trainer had a positive impact on their practice at their own facilities. Qualitative analysis of the trainers' attitude and practice survey revealed that trainers appreciated continuous learning as a trainer, and group effort to promote hand hygiene as the TTT-Japan team. The HHSAF institutional climate change element at the trainers' facilities significantly improved after their engagement as a trainer (P = 0.012).

CONCLUSIONS

TTTs were successfully adapted and implemented in Japan, leading to sustained hand hygiene promotion activities by local trainers over three years. Further research is warranted to assess the long-term impact on local hand hygiene promotion in different settings.

Impact of conducting hand hygiene audit in COVID-19 care locations of India-A large scale national multicentric study - HHAC study

PURPOSE

Hand hygiene (HH), the core element in infection prevention in healthcare, especially for multidrug resistant organism's transmission. The role of HH audits and HH adherence rates in the COVID-19 pandemic, especially in resource limited settings, are yet to be established.

METHODS

A nationwide multicenter study was conducted in India, involving public, private, teaching and non-teaching COVID healthcare facilities (COVID-HCFs) using the IBhar mobile application based on WHO's hand hygiene audit tool. The HH adherence rates (HHAR) such as complete HHAR (HHCAR), total HHAR (HHTAR), profession specific HHAR, WHO's 5 HH moment specific HHAR and associated variables were measured over 6 month duration (June-December 2021).

RESULTS

A total of 2,01,829 HH opportunities were available and the HHCAR and HHTAR were 27.3% and 59.7%. The HHTAR was significantly higher in the west zone (72.2%), private institutes (65.6%), non-teaching institutes (67.7%), nurses (61.6%), HH moments 2 (71.8%) and 3 (72.1%), and morning shift (61.4%). The HHTAR was better in non-COVID HCFs (65.4%) than COVID-HCFs (57.8%) as well as non-COVID ICUs (68.1%) than COVID ICUs (58.7%). The HHTAR was increased from month 1 to month 6 except a small decrease in the month of December.

CONCLUSIONS

The hand hygiene adherence is comparable with adherence rate during COVID-19 pandemic in western countries as well as the resource limited settings. The use of gloves during the pandemic and simplified HH techniques and their influence over the HH adherence to be studied further. The sustainable adherence rate over long duration needs to be ensured by continuing the HH audit using multimodal interventions.

An interactive feedback system for increasing hand antisepsis adherence in stationary intensive care

BACKGROUND

Pathogens causing infections are in many cases transmitted via the hands of personnel. Thus, hand antisepsis has strong epidemiological evidence of infection prevention. Depending on various factors, hand antisepsis adherence ranges between 9.1% and 85.2%.

AIM

To evaluate a new transponder system that reminded medical staff to use an alcohol-based hand rub based on indication by giving real-time feedback, to detect hand antisepsis adherence.

METHODS

The monitoring system consisted of three components: a portable transponder detecting alcohol-based hand rub and able to give feedback; a beacon recognizing entries to and exits from the patient's surroundings; and a sensor placed at the hand-rub dispensers to count the number of hand rubs. With these components, the system provided feedback when hand antisepsis was not conducted although it was necessary according to moments 1, 4, and 5 of hand antisepsis. Adherence was measured in two use-cases with five phases, starting with the baseline measurement followed by intervention periods and phases without intervention to test the sustainability of the feedback.

FINDINGS

Using the monitoring system, hand antisepsis adherence was increased by up to 104.5% in comparison to the baseline measurement. When the intervention ceased, however, hand antisepsis adherence decreased to less than or equal to the baseline measurement.

CONCLUSION

A short-term intervention alone is not sufficient to lead to a long-term change in hand antisepsis adherence. Rather, permanent feedback and/or the integration in a multi-modal intervention strategy are necessary.

Prevention of device-related infections in patients with cancer: Current practice and future horizons

Over the past several years, multifaceted advances in the management of cancer have led to a significant improvement in survival rates. Throughout patients' oncological journeys, they will likely receive one or more implantable devices for the administration of fluids and medications as well as management of various comorbidities and complications related to cancer therapy. Infections associated with these devices are frequent and complex, often necessitating device removal, increasing health care costs, negatively affecting quality of life, and complicating oncological care, usually leading to delays in further life-saving cancer therapy. Herein, the authors comprehensively review multiple evidence-based recommendations along with best practices, expert opinions, and novel approaches for the prevention of diverse device-related infections. The authors present many general principles for the prevention of these infections followed by specific device-related recommendations in a systematic manner. The continuous involvement and meaningful cooperation between regulatory entities, industry, specialty medical societies, hospitals, and infection control-targeted interventions, along with primary care and consulting health care providers, are all vital for the sustained reduction in the incidence of these preventable infections.

Impact of multimodal strategies including a pay for performance strategy in the improvement of infection prevention and control practices in healthcare facilities during an Ebola virus disease outbreak

BACKGROUND

Strategy to mitigate various Ebola virus disease (EVD) outbreaks are focusing on Infection Prevention and Control (IPC) capacity building, supportive supervision and IPC supply donation. This study was conducted to assess the impact of a Pay for Performance Strategy (PPS) in improving IPC performance in healthcare facilities (HF) in context of the 2018-2019 Nord Kivu/ Democratic Republic of the Congo EVD outbreak.

METHODS

A quasi-experimental study was conducted analysing the impact of a PPS on the IPC performance. HF were selected following the inclusion criteria upon informed consent from the facility manager and the National Department of Health. Initial and process assessment of IPC performance was conducted by integrating response teams using a validated IPC assessment tool for HF. A bundle of interventions was then implemented in the different HF including training of health workers, donation of IPC kits, supportive supervision during the implementation of IPC activities, and monetary reward. IPC practices in HF were assessment every two weeks during the intervention period to measure the impact. The IPC assessment tool had 34 questions aggregated in 8 different thematic areas: triage and isolation capacity, IPC committee in HF, hand hygiene, PPE, decontamination and sterilization, linen management, hospital environment and Waste management. Data were analysed using descriptive statistics and analytical approaches according to assumptions. R software (version 4.0.3) was used for all the analyses and a p-value of 0.05 was considered as the threshold for statistically significant results.

RESULTS

Among 69 HF involved in this study, 48 were private facilities and 21 state facilities. The median baseline IPC score was 44% (IQR: 21-65%); this IPC median score reached respectively after 2, 4, 6 and 8 weeks 68% (IQR: 59-76%), 79% (71-84%), 76% (68-85%) and 79% (74-85%). The improvement of IPC score was statistically significative. Spearman's rank-order correlation revealed the associated between proportion of trained HW and IPC score performance after 8 weeks of interventions (rs = .280, p-value = 0.02).

CONCLUSION

Pay for Performance Strategy was proved effective in improving healthcare facilities capacity in infection prevention and control practice in context of 2018 EVD outbreak in Nord Kivu. However, the strategy for long-term sustainability of IPC needs further provision. More studies are warranted on the HW and patients' perceptions toward IPC program implementation in context of Nord Kivu Province.

Indications for hand and glove disinfection in Advanced Cardiovascular Life Support: A manikin simulation study

Background and aim

There are no investigations on hand hygiene during cardiopulmonary resuscitation (CPR), even though these patients are at high risk for healthcare-associated infections. We aimed to evaluate the number of indicated hand hygiene per CPR case in general and the fraction that could be accomplished without delay for other life-saving techniques through standardized observations.

Materials and methods

In 2022, we conducted Advanced Cardiovascular Life Support (ACLS) courses over 4 days, practicing 33 ACLS case vignettes with standard measurements of chest compression fractions and hand hygiene indications. A total of nine healthcare workers (six nurses and three physicians) participated.

Results

A total of 33 training scenarios resulted in 613 indications for hand disinfection. Of these, 150 (24%) occurred before patient contact and 310 (51%) before aseptic activities. In 282 out of 310 (91%) indications, which have the highest impact on patient safety, the medication administrator was responsible; in 28 out of 310 (9%) indications, the airway manager was responsible. Depending on the scenario and assuming 15 s to be sufficient for alcoholic disinfection, 56-100% (mean 84.1%, SD ± 13.1%) of all indications could have been accomplished without delaying patient resuscitation. Percentages were lower for 30-s of exposure time.

Conclusion

To the best of our knowledge, this is the first study investigating the feasibility of hand hygiene in a manikin CPR study. Even if the feasibility is overestimated due to the study setup, the fundamental conclusion is that a relevant part of the WHO indications for hand disinfection can be implemented without compromising quality in acute care, thus increasing the overall quality of patient care.

Compliance with a novel hand hygiene protocol tailored to non-sterile healthcare workers in the operating theatre

BACKGROUND

Observing hand hygiene compliance (HHC) among non-sterile healthcare workers (HCWs) in the operating theatre (OT) is challenging as there are no tailored protocols or observation tools.

AIM

To develop and test a hand hygiene protocol tailored to non-sterile HCWs in the OT.

METHODS

In this prospective observational study, nine hospitals in the Rotterdam-Rijnmond region provided input on a draft protocol on hand hygiene in the OT, resulting in a new consensus protocol for the region. An observation tool based on the protocol was developed and tested. HHC rates with 95% confidence intervals (CI) were calculated by type of hospital and type of HCW.

FINDINGS

The protocol has three sections: (1) written general hand hygiene rules; (2) written hand hygiene rules specific for anaesthesia and surgery; and (3) visual representation of the OT, divided into four hand hygiene areas. Hand hygiene should be applied when changing area. Average HHC of 48.0% (95% CI 45.2-61.2%) was observed in OTs across all hospitals. HHC was highest in the two specialized hospitals (64.0%, 95% CI 30.6-89.8%; 76.7%, 95% CI 62.8-84.5%) and lowest in the academic teaching hospital (23.1%, 95% CI 0.0-45.8%). In terms of type of HCW, HHC was lowest among anaesthesiologists (31.6%, 95% CI 19.2-62.4%) and highest among OT assistants (57.4%, 95% CI 50.1-78.2%).

CONCLUSION

This uniform way of observing HHC in the OT enables evaluation of the effectiveness of interventions in the OT and facilitates friendly competition. In the Rotterdam-Rijnmond region, HHC in the OT was below 50%; this needs to be addressed, particularly in teaching hospitals and among physicians.

Do task and item difficulty affect overestimation of one's hand hygiene compliance? A cross-sectional survey of physicians and nurses in surgical clinics of six hospitals in Germany

BACKGROUND

One barrier to hand hygiene compliance is overestimation of one's own performance. Overconfidence research shows that overestimation tends to be higher for difficult tasks, which suggests that the magnitude of overestimation also depends on how it is assessed. Thus, we tested the hypothesis that overestimation was stronger for hand hygiene indications with low compliance (i.e., high difficulty), and the hypothesis that self-reported overall compliance based on a single item is higher than based on "5 Moments of Hand Hygiene" (WHO-5) items, since the single item implies an aggregation across indications.

METHODS

In the WACH trial (German Clinical Trials Register [DRKS] ID: DRKS00015502), a questionnaire survey was conducted among physicians and nurses in nine surgical clinics (general/visceral surgery or orthopedics/trauma surgery) of six German hospitals. Self-reported compliance was assessed both by a single item and the WHO-5-items using percentage scales. These were compared with each other and with direct observations. Relative frequencies of the WHO-5 indications used to calculate the WHO-5-based self-reported overall compliance rate were estimated by a systematized review of the literature (see appendix). In analysis, t-tests, Chi2-tests and multiple linear regressions were used.

RESULTS

Ninety-three physicians (response rate: 28.4%) and 225 nurses (30.4%) participated. Significant compliance differences between physicians and nurses were found for direct observations and were in favor of nurses, while no such differences were found for self-reports. Across the WHO-5, overestimation showed inverse correlations with observed compliance (physicians: r = -0.88, p = 0.049; nurses: r = -0.81, p = 0.093). Support for the hypothesis that the self-reported overall compliance based on one item is higher than that based on WHO-5 items was found for physicians (M = 87.2 vs. 84.1%, p = 0.041; nurses: 84.4 vs. 85.5%, p = 0.296). Exploratory analyses showed that this effect was confined to orthopedic/trauma surgeons (89.9 vs. 81.7%, p = 0.006).

CONCLUSION

Among physicians, results indicate stronger hand hygiene overestimation for low-compliance indications, and when measurements are based on a single item versus the five WHO-5 items. For practice, results contribute to infection prevention and control's understanding of overestimation as a psychological mechanism that is relevant to professional hand hygiene.

Donning Sterile Surgical Gloves - A Prospective Clinical Audit of Young Surgeons at a Tertiary Care Hospital of Lahore, Pakistan

Background Sterilization and aseptic surgical techniques are the most important keys to successful postoperative outcomes. The standard surgical gloving technique causes early wound healing and reduces morbidity and mortality. Objective To assess the standard technique of donning sterile surgical gloves while scrubbing among young surgeons. Material and Methods This two-week prospective audit involved 60 young residents and house officers after ensuring ethical implications. Participants were observed unannounced for donning sterile surgical gloves in the surgical operation theatre (OT) according to the standard criteria set by World Health Organization (WHO) before and after the relevant intervention. The intervention was made through a clinical lecture, live demonstration, and hands-on sessions. After a detailed literature study, a pro forma was generated to record participants' compliance with 14 steps of donning sterile surgical gloves. Data was sent to a statistician for descriptive analysis. Results About 72.14% of the participants followed the standard criteria of donning sterile surgical gloves before intervention. This percentage raised to 90.71% after the intervention, showing marked improvement. Conclusion Pre-intervention and post-intervention observations showed apparent differences in compliance rates for the standard criteria of donning sterile surgical gloves. This scientific study signifies the need for such clinical audits to boost standard surgical practices, especially among newcomers.

Compliance with hand disinfection in the surgical area of an orthopedic university clinic: results of an observational study

Background

Hand hygiene using alcoholic hand rub solution is essential for the prevention of surgical site infections. There are several opportunities for hygienic hand disinfection (termed “hand hygiene” in the following) during immediate pre-, intra- and postoperative orthopedic patient care. However, the level of hand hygiene compliance among surgical and anesthesia staff in this context is unclear. Therefore, we conducted an observational study in operating theatres of an orthopedic university clinic in northern Germany during July and August 2020.

Methods

One trained person directly and comprehensively observed hand hygiene compliance of surgical and anesthesia staff according to the WHO “My 5 moments for hand hygiene” model (WHO-5). In addition to cross-tabulations with Chi² tests, multiple logistic regression models were used to study associations between occupational group, medical specialty, and compliance (both overall and for each WHO-5 indication). Models were adjusted for hand hygiene opportunities being associated with female or male healthcare workers, being located within or outside the operation room, and occurring in adult or pediatric surgery.

Results

In total, 1145 hand hygiene opportunities during 16 surgeries were observed. The overall compliance was 40.8% (95% CI 37.9–43.6%), with a larger difference between surgical versus anesthesia staff (28.4% vs. 46.1%, p < 0.001) than between physicians versus nurses (38.5% vs. 42.9%, p = 0.13). Adjusting for sex, place of observation, and adult versus pediatric operation theatre, logistic regression analyses revealed a significant interaction between medical specialty and occupational group (p < 0.001). In particular, the odds for compliance were higher for anesthesiologists (47.9%) than for surgeons (19.6%) (OR = 4.8, 95% CI 3.0–7.6). In addition, compliance was higher in pediatric surgery (OR = 1.9, 95% CI 1.4–2.6). In general, WHO-5-stratified results were in line with these overall patterns.

Conclusions

Hygienic hand disinfection compliance was approximately 41%. Notably, surgeons performed worse than anesthesiologists did. These results indicate that hand hygiene compliance in orthopedic surgery needs to be improved. Tailored interventions promise to be an appropriate way to address each occupational group’s specific needs.

Supplementary Information

The online version contains supplementary material available at 10.1186/s13756-022-01058-2.

Hand hygiene compliance by direct observation in physicians and nurses: a systematic review and meta-analysis

BACKGROUND

Direct observation of hand hygiene compliance is the "gold standard" despite limitations and potential for bias. Previous literature highlights poorer hand hygiene compliance amongst physicians than nurses and suggests that covert monitoring may give better compliance estimates than overt monitoring.

AIM

This review aimed to explore differences in compliance between physicians and nurses further, and to analyse if compliance estimates differed when observations were covert rather than overt.

METHODS

A systematic search of databases PubMed, EMBASE, CENTRAL and CINAHL was performed. Experimental or observational studies in hospital settings in high-income countries published in English from 2010 onwards were included if estimates for both physicians and nurses using direct observation were reported. The search yielded 4814 studies, of which 105 were included.

FINDINGS

The weighted pooled compliance rate for nurses was 52% (95% CI 47% to 57%) and for doctors was 45% (95% CI 40% to 49%). Heterogeneity was considerable (I²=99%). The majority of studies were at moderate or high risk of bias. Random-effects meta-analysis of low risk of bias studies suggests higher compliance for nurses than physicians for both overt (difference of 7%, 95% CI for the difference 0.8% to 13.5%, p=0.027) and covert (difference of 7%, 95% CI 3% to 11%, p=0.0002) observation. Considerable heterogeneity was found in all analyses.

CONCLUSION

Wide variability in compliance estimates and differences in the methodological quality of hand hygiene studies were identified. Further research with meta-regression should explore sources of heterogeneity and improve the conduct and reporting of hand hygiene studies.

Rapid-killing efficacy substantiates the antiseptic property of the synergistic combination of carvacrol and nerol against nosocomial pathogens

Globally, new classes of synthetic and natural antibiotics and antivirulents have continuously been validated for their potential broad-spectrum antagonistic activity with the aim of identifying an effective active molecule to prevent the spread of infectious agents in both food industry and medical field. In view of this, present study is aimed at evaluating the rapid killing efficacy of bioactive molecules Carvacrol (C) and Nerol (N) through British Standard European Norm 1276: phase2/step1 (EN1276) protocol. Active molecules C and N showed broad-spectrum antimicrobial activity against the test strains Staphylococcus aureus, Pseudomonas aeruginosa, Escherichia coli and Enterococcus hirae at concentration range of 78.125, 625, 156.25 and 312.5 μg/mL, respectively, for C, and 625 μg/mL for N. Whereas, combinatorial approach showed efficient activity with four times reduced concentration of C and N at 78.125 and 156.25 µg/mL, respectively, against test strains. Further, EN1276 results proved the rapid killing efficacy of test strains in 1 min of contact time with significant (> 5 log) growth reduction at 100X concentration of actives. SEM analysis and reduced concentration of protease, lipids and carbohydrate contents of treated group biofilm components ascertained preformed biofilm disruption potential of C + N on polystyrene and nail surfaces. C + N at synergistic concentration exhibited no adverse effect on HaCaT cells at 78.125 µg/mL (C) + 156.25 µg/mL (N). Taken together, based on the observed experimental results, present study evidence the antiseptic/disinfectant ability of C + N and suggest that the combination can preferentially be used in foam-based hand wash formulations.

Photodynamic Inactivation of Bacteria in Ionic Environments Using the Photosensitizer SAPYR and the Chelator Citrate

Many studies show that photodynamic inactivation (PDI) is a powerful tool for the fight against pathogenic, multi-resistant bacteria and the closing of hygiene gaps. However, PDI studies have been frequently performed under standardized in vitro conditions comprising artificial laboratory settings. Under real life conditions, however, PDI encounters substances like ions, proteins, amino acids, and fatty acids, potentially hampering the efficacy PDI to an unpredictable extent. Thus, we investigated PDI with the phenalene-1-one based photosensitizer SAPYR against Escherichia coli and Staphylococcus aureus in the presence of calcium or magnesium ions, which are ubiquitous in potential fields of PDI applications like in tap water or on tissue surfaces. The addition of citrate should elucidate the potential as a chelator. The results indicate that PDI is clearly affected by such ubiquitous ions depending on its concentration and the type of bacteria. The application of citrate enhanced PDI especially for Gram-negative bacteria at certain ionic concentrations (e.g. CaCl₂ or MgCl₂ : 7.5 to 75 mmol l^-1 ). Citrate also improved PDI efficacy in tap water (especially for Gram-negative bacteria) and synthetic sweat solution (especially for Gram-positive bacteria). In conclusion, the use of chelating agents like citrate may facilitate the application of PDI under real life conditions.

The effect of compliance to Hand hygiene during COVID-19 on intestinal parasitic infection and intensity of soil transmitted helminthes, among patients attending general hospital, southern Ethiopia: Observational study

BACKGROUND

Intestinal parasitic infection (IPIs) is one of the major health problems in Sub -Saharan Africa where water, sanitation and hygiene practices are inadequate. Taking into account the national level implementation of intensive hand hygiene against COVID-19 pandemic and general protective effect this study assessed its effect on intestinal parasite.

OBJECTIVE

This study aim to investigate the effect of compliance to hand hygiene practice on the prevalence of intestinal parasitic infection (IPIs) and intensity of Soil transmitted helminthes (STH) among patients attending tertiary care hospital in southern Ethiopia.

METHODS

Observational study was conducted from June to September 2021. Data on socio demographic, hand hygiene practice and intestinal parasite (prevalence and intensity of helminthic infection) was collected from randomly selected and consented patients. Compliance to hand hygiene practice was assessed using pre-tested questionnaire. Fresh stool sample from each participant was examined by direct wet mount, concentration and Ziehl-Neelson (ZN) staining technique to detect intestinal parasite. Intensity of STH measurements was done through direct egg-count per gram using Kato Katz methods. Data analysis was done using SPSS version 25. Odds ratio with 95% confidence interval was used to measure association and p-value <0.05 was considered as statistically significant.

RESULTS

The study population (N = 264) consisted of 139(52.65%) male and 125 (47.34%) female with the mean ages of 36 ±16.12(±SD). The proportion of good compliance to hand hygiene during COVID-19 to was 43.93% (95%CI: 37% to 47) and prevalence of intestinal parasite was 26.14% (95%CI:21.2% to 31.75) comprising 23.48% intestinal protozoa and 6.43% of soil transmitted helminthic infection. Gardia lamblia, Entamoeba histolytica/dispar, Ascaris lumbricoides were the common parasite in the study area with prevalence of 15.53%, 6.44%, and 1.52% respectively. Prevalence of intestinal parasite among participants with good compliance to hand hygiene group and poor compliance to hand hygiene were (14.65% vs. 35.13%)(AOR: 0.48,95%CI:0.13 to 0.68) (p = 0.002) implying that good compliance to hand hygiene can reduce the risk of IPIs by 52%. Moreover significantly lower odds of intestinal protozoa among good compliance to hand hygiene group than the control (OR:0.38; (95%CI: 0.20 to 0.71);P = 0.001. However, no significant difference in the odds of intensity of STH infection in good compliance hand hygiene and poor compliance group. The result of this study also confirmed the association between intestinal parasitic infections and younger /adolescent age, education status, habit of eating raw vegetable and figure nail status.

CONCLUSION

Good hand hygiene compliance during COVID-19 significantly associated with reduction of intestinal parasitic infection. This finding highlights the secondary protective effect of improved hand hygiene against IPIs and suggest it can used in augmenting the existing parasitic control strategies in the study setting.

The impact of activating an empathic focus during COVID19 on healthcare workers motivation for hand hygiene compliance in moments serving the protection of others: a randomized controlled trial study

Aim

The "Five moments of hand hygiene" (World Health Organization 2009) can be classified into moments of hand hygiene before and after patient care. Based on research indicating that hand hygiene compliance differs with regard to moments before and after patient care, this research evaluates the effectiveness of an empathy-based intervention in motivating hand hygiene compliance with regard to moments before patient care which protect vulnerable individuals from contamination and infection.

Subjects and method

An online experiment involving 68 healthcare professionals working at a German hospital during the first wave of the COVID-19 pandemic investigates whether instructing healthcare professionals to consider consequences for others (vs for themselves) if they contracted SARS-CoV-2 promotes hand hygiene compliance referring to moments before (vs after) patient care.

Results

In the condition in which healthcare professionals considered consequences for others if they contracted SARS-CoV-2 (other-focus condition), ratings of importance increased (M = 3.49, SD = 1.30) compared to the condition in which healthcare professionals considered consequences for themselves (M = 2.68, SD = 1.24), F(1,66) = 6.87, p = .011, partη2 = .09. Participants in the other-focus condition reported more intentions to comply with "before moments" in the future (M = 3.34, SD = 1.14) compared to participants in the self-focus condition (M = 2.77, SD = 0.80), F(1,66) = 6.15, p = .016, partη2 = .09.

Conclusion

Results indicate that activating an empathic focus in the context of the current pandemic promotes perceived importance and motivation of healthcare professionals to comply with moments aiming at protecting vulnerable others.

Supplementary Information

The online version contains supplementary material available at 10.1007/s10389-022-01725-z.

Direct hand hygiene observations and feedback increased hand hygiene compliance among nurses and doctors in medical and surgical wards - an eight-year observational study

BACKGROUND

The improvement of hand hygiene compliance (HHC) is critical to preventing healthcare-associated infections (HCAIs). The present study explored how direct observation and feedback influences HHC among nurses and doctors in surgical and medical wards, and whether these actions impact HCAI incidence.

METHODS

In this longitudinal observational study, HHC and the incidence of HCAIs were observed in six medical and seven surgical wards in a tertiary hospital in Finland from May 2013 to Dec 2020. Data of the observations of five hand hygiene (HH) moments were collected from the hospital HH and the HCAI monitoring registries. For statistical analyses a multivariable logistic regression analysis and a Poisson regression model were used.

FINDINGS

HH monitoring included 24 614 observations among nurses and 6 396 observations among doctors. In medical wards, HHC rates increased 10.8% - from 86.2% to 95.5%, and HCAI incidence decreased from 15.9 to 13.5 per 1000 patient days (p<0.0001). In surgical wards, HHC increased 32.7% - from 67.6% to 89.7%, and HCAI incidence decreased from 13.7 to 12.0 per 1000 patient days (p< 0.0001). The overall HHC increased significantly among nurses (17.8%) and doctors (65.8%). The HHC was better among nurses than doctors (in medical wards; OR 3.36; 95% CI 2.90-3.90, p<0.001 and in surgical wards; OR 9.85; 95% CI 8.97-10.8, p<0.001).

CONCLUSION

Direct observations and feedback of HH increased significantly HHC among nurses and doctors over an eight-year period. During the same period, the incidence of HCAIs significantly decreased in both medical and surgical wards.

Workplace interventions to reduce the risk of SARS-CoV-2 infection outside of healthcare settings

BACKGROUND

Although many people infected with SARS-CoV-2 (severe acute respiratory syndrome coronavirus-2) experience no or mild symptoms, some individuals can develop severe illness and may die, particularly older people and those with underlying medical problems. Providing evidence-based interventions to prevent SARS-CoV-2 infection has become more urgent with the spread of more infectious SARS-CoV-2 variants of concern (VoC), and the potential psychological toll imposed by the coronavirus disease 2019 (COVID-19) pandemic.   Controlling exposures to occupational hazards is the fundamental method of protecting workers. When it comes to the transmission of viruses, such as SARS-CoV-2, workplaces should first consider control measures that can potentially have the most significant impact. According to the hierarchy of controls, one should first consider elimination (and substitution), then engineering controls, administrative controls, and lastly, personal protective equipment (PPE).

OBJECTIVES

To assess the benefits and harms of interventions in non-healthcare-related workplaces to reduce the risk of SARS-CoV-2 infection relative to other interventions, or no intervention.

SEARCH METHODS

We searched MEDLINE, Embase, Web of Science, Cochrane COVID-19 Study Register, the Canadian Centre for Occupational Health and Safety (CCOHS), Clinicaltrials.gov, and the International Clinical Trials Registry Platform to 14 September 2021. We will conduct an update of this review in six months.

SELECTION CRITERIA

We included randomised control trials (RCT) and planned to include non-randomised studies of interventions. We included adult workers, both those who come into close contact with clients or customers (e.g. public-facing employees, such as cashiers or taxi drivers), and those who do not, but who could be infected by co-workers. We excluded studies involving healthcare workers. We included any intervention to prevent or reduce workers' exposure to SARS-CoV-2 in the workplace, defining categories of intervention according to the hierarchy of hazard controls, i.e. elimination; engineering controls; administrative controls; personal protective equipment.

DATA COLLECTION AND ANALYSIS

We used standard Cochrane methods. Our primary outcomes were incidence rate of SARS-CoV-2 infection (or other respiratory viruses), SARS-CoV-2-related mortality, adverse events, and absenteeism from work. Our secondary outcomes were all-cause mortality, quality of life, hospitalisation, and uptake, acceptability, or adherence to strategies. We used the Cochrane RoB 2 tool to assess the risk of bias, and GRADE methods to assess the certainty of evidence for each outcome.

MAIN RESULTS

Elimination of exposure interventions We included one study examining an intervention that focused on elimination of hazards. This study is an open-label, cluster-randomised, non-inferiority trial, conducted in England in 2021. The study compared standard 10-day self-isolation after contact with an infected person to a new strategy of daily rapid antigen testing and staying at work if the test is negative (test-based attendance). The trialists hypothesised that this would lead to a similar rate of infections, but lower COVID-related absence. Staff (N = 11,798) working at 76 schools were assigned to standard isolation, and staff (N = 12,229) at 86 schools to the test-based attendance strategy.  The results between test-based attendance and standard 10-day self-isolation were inconclusive for the rate of symptomatic PCR-positive SARS-COV-2 infection rate ratio ((RR) 1.28, 95% confidence interval (CI) 0.74 to 2.21; 1 study, very low-certainty evidence)). The results between test-based attendance and standard 10-day self-isolation were inconclusive for the rate of any PCR-positive SARS-COV-2 infection (RR 1.35, 95% CI 0.82 to 2.21; 1 study, very low-certainty evidence). COVID-related absenteeism rates were 3704 absence days in 566,502 days-at-risk (6.5 per 1000 days at risk) in the control group and 2932 per 539,805 days-at-risk (5.4 per 1000 days at risk) in the intervention group (RR 0.83; 95% CI 0.55 to 1.25). The certainty of the evidence was downgraded to low, due to imprecision. Uptake of the intervention was 71 % in the intervention group, but not reported for the control intervention.  The trial did not measure other outcomes, SARS-CoV-2-related mortality, adverse events, all-cause mortality, quality of life, and hospitalisation. We found one ongoing RCT about screening in schools, using elimination of hazard strategies. Personal protective equipment We found one ongoing non-randomised study on the effects of closed face shields to prevent COVID-19 transmission. Other intervention categories We did not find studies in the other intervention categories.

AUTHORS' CONCLUSIONS

We are uncertain whether a test-based attendance policy affects rates of PCR-postive SARS-CoV-2 infection (any infection; symptomatic infection) compared to standard 10-day self-isolation amongst school and college staff. Test-based attendance policy may result in little to no difference in absence rates compared to standard 10-day self-isolation. As a large part of the population is exposed in the case of a pandemic, an apparently small relative effect that would not be worthwhile from the individual perspective may still affect many people, and thus, become an important absolute effect from the enterprise or societal perspective.  The included study did not report on any other primary outcomes of our review, i.e. SARS-CoV-2-related mortality and adverse events. No completed studies were identified on any other interventions specified in this review, but two eligible studies are ongoing. More controlled studies are needed on testing and isolation strategies, and working from home, as these have important implications for work organisations.

Compared hand hygiene compliance among healthcare providers before and after the COVID-19 pandemic: A rapid review and meta-analysis

BACKGROUND

Hand hygiene (HH) is a cost-effective measure to reduce health care-associated infections. The overall characteristics and changes of hand hygiene compliance (HHC) among health care providers during the COVID-19 pandemic provided evidence for targeted HH intervention measures.

AIM

To systematically review the literature and conduct a meta-analysis of studies investigating the rate of HHC and the characteristics of HH during the COVID-19 pandemic.

METHODS

The PubMed, Embase, Cochrane Library, Web of Science, CNKI, WanFang Data, VIP, and CBM databases were searched. All the original articles with valid HHC data among health care providers during the COVID-19 pandemic (from January 1, 2020 to October 1, 2021) were included. Meta-analysis was performed using a DerSimonian and Laird model to yield a point estimate and a 95% CI for the HHC rate. The heterogeneity of the studies was evaluated using the Cochrane Q test and I2 statistics and a random-effects model was used to contrast between different occupations, the WHO 5-moments of HH and different observation methods. Preferred Reporting Items for Systematic Reviews and Meta-analyses (PRISMA) reporting guidelines were followed.

FINDINGS

Seven studies with 2,377 health care providers reporting HHC were identified. The estimated overall HHC was 74%, which was higher than that reported in previous studies (5%-89%). Fever clinic has become a new key place for HHC observation. Nurses had the highest HHC (80%; 95% CI:74%-87%) while auxiliary workers (70%; 95%CI:62%-77%) had the lowest. For the WHO 5-moments, the health care providers had the highest HHC after contact with the body fluids of the patients (91%; 95% CI:88%-94%), while before contact with patient's health care providers had the lowest HHC (68%; 95% CI:62%-74%) which was consistent with before the pandemic. There existed great HHC differences among different monitoring methods (automatic monitoring system:53%; 95% CI:44%-63% versus openly and secretly observation: 91%; 95% CI: 90%-91%).

CONCLUSIONS

During the COVID-19 pandemic, the compliance of health care providers' HH showed a great improvement. The fever clinics have become the focused departments for HH monitoring. The HHC of auxiliary workers and the HH opportunity for "before contact with patients" should be strengthened. In the future, it will be necessary to develop standardized HH monitoring tools for practical work.

Hand hygiene practices for prevention of health care-associated infections associated with admitted infectious patients in the emergency department: a systematic review

Background

In most high-income countries, emergency departments (ED) represent the principal point of access forcer by critically ill or injured patients. Unlike inpatient units, ED healthcare workers (ED HCWs) have demonstrated relative lack of adherence to hand hygiene (HH) guidelines, commonly citing frequency of intervention and high rates of admission, which reflect severity of cases encountered.

Aim

Assessment of studies on hand hygiene compliance (HHC) by ED HCWs conducted between 2010 and 2020, seeking to estimate HHC rates and intervention strategies utilised to improve HHC in EDs.

Methods

Searches conducted in Web of Science, EBSCO HOST (CINHAL & Medline), PubMed, Embase, and Cochrane for full studies published between 2010 and 2020 on the topic of HHC in the ED.

Results

One hundred twenty-nine eligible articles were identified of which 79 were excluded. Fifty-one underwent full-text screening before 20 studies were deemed relevant. Of the eligible studies, fifteen (75%) had, as the primary outcome, HHC according to the WHO-recommended 5-moments. Twelve studies (60%) implemented multimodal or single intervention strategies. Eight studies were ambiguous regarding the nature of the approach adopted. In the nine observational studies where HHC was documented, an overall post-intervention median HHC rate of 45% (range 8–89.7%).

Conclusion

Multimodal approaches appear to have enhanced HHC moderately among ED HCWs. Elevated complexity associated with critically ill patients, and ED overcrowding, are contributing factors to relatively low compliance rates observed. Strategies to improve HHC rates may need to acknowledge, and cater for, the context of an unpredictable environment.

Antimicrobial Photodynamic Coatings Reduce the Microbial Burden on Environmental Surfaces in Public Transportation—A Field Study in Buses

Millions of people use public transportation daily worldwide and frequently touch surfaces, thereby producing a reservoir of microorganisms on surfaces increasing the risk of transmission. Constant occupation makes sufficient cleaning difficult to achieve. Thus, an autonomous, permanent, antimicrobial coating (AMC) could keep down the microbial burden on such surfaces. A photodynamic AMC was applied to frequently touched surfaces in buses. The microbial burden (colony forming units, cfu) was determined weekly and compared to equivalent surfaces in buses without AMC (references). The microbial burden ranged from 0–209 cfu/cm² on references and from 0–54 cfu/cm² on AMC. The means were 13.4 ± 29.6 cfu/cm² on references and 4.5 ± 8.4 cfu/cm² on AMC (p < 0.001). The difference in microbial burden on AMC and references was almost constant throughout the study. Considering a hygiene benchmark of 5 cfu/cm², the data yield an absolute risk reduction of 22.6% and a relative risk reduction of 50.7%. In conclusion, photodynamic AMC kept down the microbial burden, reducing the risk of transmission of microorganisms. AMC permanently and autonomously contributes to hygienic conditions on surfaces in public transportation. Photodynamic AMC therefore are suitable for reducing the microbial load and closing hygiene gaps in public transportation.

Impact of the world hand hygiene and global handwashing days on public awareness between 2016 and 2020: Google trends analysis

BACKGROUND

Scientific evidence suggest that hand hygiene as one of the most effective measures to control infection. To promote good hand hygiene practices, the World Health Organization introduced May 5 as World Hand Hygiene Day (WHHD), and international stakeholders established Global Handwashing Day (GHD) on October 15. However, its contributions to raising public awareness of hand hygiene is unclear.

METHODS

This study evaluates the impact of the WHHD and GHD on the public awareness of hand hygiene in Japan, the United Kingdom, the United States, and worldwide from 2016 to 2020, using the relative search volume of "Hand hygiene" in Google Trends as a surrogate. To identify a statistically significant timepoint of a trend change, we performed Joinpoint regression analysis.

RESULTS

Upticks of the relative search volumes as well as joinpoints were noted worldwide around the WHHD and GHD from 2016 to 2019, but no joinpoints were identified around the WHHD and GHD in 2020. No such changes were observed in Japan, the United Kingdom, and the United States during these periods.

CONCLUSIONS

While the WHHD was originally established to raise awareness of hand hygiene in healthcare facilities, our result suggests that the WHHD and GHD may not have effectively disseminated the importance of hand hygiene to the general public at a country level. Additional policy measures to advocate hand hygiene to the public are necessary to communicate its benefits.

Knowledge, attitudes, and self-reported practices (KAP) towards hand hygiene in medical students versus the public

Background

The COVID-19 pandemic and its associated morbidity, mortality, and economic disruption has reignited interest in simple protective and preventive measures.

Aims

The aim of this study was to assess the knowledge, attitudes, and practices (KAP) of hand hygiene in a sample of medical students in Ireland and members of the public to evaluate these within the context of the COVID-19 pandemic. We also explored any differences between the two groups.

Methods

A 35-question survey was formulated and circulated to potential participants comprising Irish medical students and members of the public. The data was analysed using Microsoft Excel with P-values being calculated using chi-squared goodness-of-fit analysis.

Results

There were 356 responses to the survey, categorised into medical students and general public populations. Incomplete surveys were removed leaving 303 responses. There was no statistical difference between the groups for attitudes and self-reported practices towards hand hygiene. Statistical differences were found between the two groups in terms of knowledge.

Conclusions

The study showed that medical students and the public had a good knowledge base and positive attitude in regards to hand hygiene. Both groups displayed consensus that the practices are essential, especially within the current pandemic context. However, larger studies, involving multiple universities and a larger portion of the public, may be useful to ascertain whether there is a true difference in the KAP between healthcare students and the general public.

Evaluation of the Residual Disinfection Effects of Commonly Used Skin Disinfectants against Viruses: An Innovative Contact Transmission Control Method

Lasting disinfection effects, that is, the residual disinfection effects (RDEs), of skin-coated disinfectants have rarely been considered for infection control owing to the challenges involved in the accurate evaluation of RDEs. In this study, we constructed a new skin evaluation model and determined the RDEs of existing disinfectants against viruses. Our results showed that ethanol and isopropanol had no RDE, whereas povidone-iodine, chlorhexidine gluconate, and benzalkonium chloride (BAC) exhibited RDEs, with 10% povidone-iodine and 0.2% BAC showing particularly strong RDEs. The RDE of 0.2% BAC was strong enough to reduce the median survival times of severe acute respiratory syndrome coronavirus-2, human coronavirus-OC43, and influenza virus from 670 to 5.2, 1300 to 12, and 120 to 4.2 min, respectively. Additionally, this strong RDE was maintained even 4 h after coating the skin. Clinical data also showed that the strong RDE of 0.2% BAC was maintained for more than 2 h. Thus, applying disinfectants with strong RDEs on the skin correlates with a reduction in virus survival time and appears to create a skin surface environment that is not conducive to virus survival. A prolonged reduction in virus survival decreases the contact transmission risk, thereby enabling stronger infection control.

Antimicrobial coatings for environmental surfaces in hospitals: a potential new pillar for prevention strategies in hygiene

Recent reports provide evidence that contaminated healthcare environments represent major sources for the acquisition and transmission of pathogens. Antimicrobial coatings (AMC) may permanently and autonomously reduce the contamination of such environmental surfaces complementing standard hygiene procedures. This review provides an overview of the current status of AMC and the demands to enable a rational application of AMC in health care settings. Firstly, a suitable laboratory test norm is required that adequately quantifies the efficacy of AMC. In particular, the frequently used wet testing (e.g. ISO 22196) must be replaced by testing under realistic, dry surface conditions. Secondly, field studies should be mandatory to provide evidence for antimicrobial efficacy under real-life conditions. The antimicrobial efficacy should be correlated to the rate of nosocomial transmission at least. Thirdly, the respective AMC technology should not add additional bacterial resistance development induced by the biocidal agents and co- or cross-resistance with antibiotic substances. Lastly, the biocidal substances used in AMC should be safe for humans and the environment. These measures should help to achieve a broader acceptance for AMC in healthcare settings and beyond. Technologies like the photodynamic approach already fulfil most of these AMC requirements.