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Dubberke ER, Carling P, Carrico R, Donskey CJ, Loo VG, McDonald LC, Maragakis LL, Sandora TJ, Weber DJ, Yokoe DS, Gerding DN. Strategies to Prevent Clostridium difficile Infections in Acute Care Hospitals: 2014 Update. Infect Control Hosp Epidemiol 2015. [DOI: 10.1086/522262] [Citation(s) in RCA: 24] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/05/2023]
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Marra AR, Moura DF, Paes ÂT, dos Santos OFP, Edmond MB. Measuring Rates of Hand Hygiene Adherence in the Intensive Care Setting: A Comparative Study of Direct Observation, Product Usage, and Electronic Counting Devices. Infect Control Hosp Epidemiol 2015; 31:796-801. [DOI: 10.1086/653999] [Citation(s) in RCA: 74] [Impact Index Per Article: 8.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/03/2022]
Abstract
Objective.To compare 3 measures of hand hygiene adherence—direct observation, product usage, and electronic counting devices—in an intensive care unit.Design.A 12-week observational study.Setting.A 40-bed medical-surgical intensive care unit at a private tertiary care hospital.Methods.Over a 12-week period, we assessed hand hygiene adherence by 3 different methods: direct observation of practice, collection of data from electronic counters for dispensers of alcohol-based hand rub, and measurement of the amount of product used (alcohol-based hand rub and chlorhexidine).Results.There were 2,249 opportunities for hand hygiene observed, and the overall rate of hand hygiene adherence was 62.3% (representing 1,402 cleansing episodes). A total of 76,389 dispensing episodes were recorded by the electronic devices. The mean number of dispensing episodes per patient-day was 53.8. There was 64.1 mL of alcohol-based hand rub used per patient-day (representing 65.5% of total product used) and 33.8 mL of Chlorhexidine used per patient-day (representing 34.5%). There was no significant correlation between observed hand hygiene adherence and total product used per patient-day (r = 0.18; P = .59).Conclusions.Direct observation cannot be considered the gold standard for assessing hand hygiene, because there was no relationship between the observed adherence and the number of dispensing episodes or the volume of product used. Other means to monitor hand hygiene adherence, such as electronic devices and measurement of product usage, should be considered.
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Widmer AF, Rotter M. Effectiveness of Alcohol-Based Hand Hygiene Gels in Reducing Nosocomial Infection Rates. Infect Control Hosp Epidemiol 2015; 29:576; author reply 580-2. [DOI: 10.1086/587808] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/04/2022]
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Maiwald M. Alcohol-Based Hand Hygiene and Nosocomial Infection Rates. Infect Control Hosp Epidemiol 2015; 29:579-80; author reply 580-2. [DOI: 10.1086/587967] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/04/2022]
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Marra AR, D'Arco C, Bravim BDA, Martino MDV, Correa L, Silva CV, Lamblet LCR, Junior MS, Lima GD, Guastelli LR, Barbosa L, Santos OFPD, Edmond MB. Controlled Trial Measuring the Effect of a Feedback Intervention on Hand Hygiene Compliance in a Step-Down Unit. Infect Control Hosp Epidemiol 2015; 29:730-5. [DOI: 10.1086/590122] [Citation(s) in RCA: 43] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/03/2022]
Abstract
Objective.To evaluate hand hygiene compliance in 2 adult step-down units (SDUs).Design.A 6-month (from March to September 2007), controlled trial comparing 2 SDUs, one with a feedback intervention program (ie, the intervention unit) and one without (ie, the control unit).Setting.Two 20-bed SDUs at a tertiary care private hospital.Methods.Hand hygiene episodes were measured by electronic recording devices and periodic observational surveys. In the intervention unit, feedback was provided by the SDU nurse manager, who explained twice a week to the healthcare workers the goals and targets for the process measures.Results.A total of 117,579 hand hygiene episodes were recorded in the intervention unit, and a total of 110,718 were recorded in the control unit (P= .63). There was no significant difference in the amount of chlorhexidine used in the intervention and control units (34.0 vs 26.7 L per 1,000 patient-days;P= .36) or the amount of alcohol gel used (72.5 vs 70.7 L per 1,000 patient-days;P= .93). However, in both units, healthcare workers used alcohol gel more frequently than chlorhexidine (143.2 vs 60.7 L per 1,000 patient-days;P< .001). Nosocomial infection rates in the intervention and control units, respectively, were as follows: for bloodstream infection, 3.5 and 0.79 infections per 1,000 catheter-days (P= .18); for urinary tract infection, 15.8 and 15.7 infections per 1,000 catheter-days (P= .99); and for tracheostomy-associated pneumonia, 10.7 and 5.1 infections per 1,000 device-days (P= . 13). There were no cases of infection with vancomycin-resistant enterococci and only a single case of infection with methicillin-resistantStaphylococcus aureus(in the control unit).Conclusions.The feedback intervention regarding hand hygiene had no significant effect on the rate of compliance. Other measures must be used to increase and sustain the rate of hand hygiene compliance.
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Laustsen S, Lund E, Bibby BM, Kristensen B, Thulstrup AM, Møller JK. Cohort Study of Adherence to Correct Hand Antisepsis Before and After Performance of Clinical Procedures. Infect Control Hosp Epidemiol 2015; 30:172-8. [DOI: 10.1086/593206] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/03/2022]
Abstract
Objective.To investigate the rate of adherence by hospital staff members to the correct use of alcohol-based hand rub before and after performance of clinical procedures.Design.A cohort study conducted during the period from 2006 through 2007 and 2 cross-sectional studies conducted in 2006 and 2007.Setting.Århus University Hospital, Skejby, in Århus, Denmark.Participants.Various hospital staff members.Methods.Following an ongoing campaign promoting the correct use of alcohol-based hand rub, we observed rates of adherence by hospital staff to the correct use of alcohol-based hand rub. Observations were made before and after each contact with patients or patient surroundings during 5 weekdays during the period from 2006 through 2007 in 10 different hospital units. A logistic regression model was used to estimate the rate of adherence to the correct use of alcohol-based hand rub before and after performance of a clinical procedure.Results.A total of 496 participants were observed during 22,906 opportunities for hand hygiene (ie, 11,177 before and 11,729 after clinical procedures) that required the use of alcohol-based hand rub. The overall rates of adherence to the correct use of alcohol-based hand rub were 62.3% (6,968 ofthe 11,177 opportunities) before performance and 68.6% (8,041 ofthe 11,729 opportunities) after performance of clinical procedures. Compared with male participants, female participants were significantly better at adhering to the correct use of alcohol-based hand rub before performance (odds ratio [OR] 1.51 [95% confidence interval {CI}, 1.09–2.10]) and after performance (OR, 1.73 [95% CI, 1.27–2.36]) of clinical procedures. In general, the rate of adherence was significantly higher after the performance of clinical procedures, compared with before (OR, 1.43 [95% CI, 1.35–1.52]). For our cohort of 214 participants who were observed during 14,319 opportunities, the rates of adherence to the correct use of alcohol-based hand rub were 63.2% (4,469 of the 7,071 opportunities) before performance and 69.3% (5,021 of the 7,248 opportunities) after performance of clinical procedures, and these rates increased significantly from 2006 to 2007, except for physicians.Conclusion.We found a high and increasing rate of adherence to the correct use of alcohol-based hand rub before and after performance of clinical procedures following a campaign that promoted the correct use of alcohol-based hand rub. More hospital staff performed hand hygiene with alcohol-based hand rub after performance of clinical procedures, compared with before performance. Future campaigns to improve the rate of adherence to the correct use of alcohol-based hand rub ought be aware that certain groups of hospital staff (eg, male staff members) are known to exhibit a low level of adherence to the correct use of alcohol-based hand rub.
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Mertz D, Dafoe N, Walter SD, Brazil K, Loeb M. Effect of a Multifaceted Intervention on Adherence to Hand Hygiene among Healthcare Workers: A Cluster-Randomized Trial. Infect Control Hosp Epidemiol 2015; 31:1170-6. [DOI: 10.1086/656592] [Citation(s) in RCA: 40] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/03/2022]
Abstract
Objectives.Adherence to hand hygiene among healthcare workers (HCWs) is widely believed to be a key factor in reducing the spread of healthcare-associated infection. The objective of this study was to evaluate the impact of a multifaceted intervention to increase rates of adherence to hand hygiene among HCWs and to assess the effect on the incidence of hospital-acquired methicillin-resistant Staphylococcus aureus (MRSA) colonization.Design.Cluster-randomized controlled trial.Setting.Thirty hospital units in 3 tertiary care hospitals in Hamilton, Ontario, Canada.Intervention.After a 3-month baseline period of data collection, 15 units were randomly assigned to the intervention arm (with performance feedback, small-group teaching seminars, and posters) and 15 units to usual practice. Hand hygiene was observed during randomly selected 15-minute periods on each unit, and the incidence of MRSA colonization was measured using weekly surveillance specimens from June 2007 through May 2008.Results.We found that 3,812 (48.2%) of 7,901 opportunities for hand hygiene in the intervention group resulted in adherence, compared with 3,205 (42.6%) of 7,526 opportunities in the control group (P < .001; independent t test). There was no reduction in the incidence of hospital-acquired MRSA colonization in the intervention group.Conclusion.Among HCWs in Ontario tertiary care hospitals, the rate of adherence to hand hygiene had a statistically significant increase of 6% with a multifaceted intervention, but the incidence of MRSA colonization was not reduced.
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Czerwinski SE, Cozean J, Cozean C. Novel water-based antiseptic lotion demonstrates rapid, broad-spectrum kill compared with alcohol antiseptic. J Infect Public Health 2014; 7:199-204. [PMID: 24810728 DOI: 10.1016/j.jiph.2014.01.002] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/24/2013] [Revised: 01/09/2014] [Accepted: 01/25/2014] [Indexed: 11/16/2022] Open
Abstract
A novel alcohol-based antiseptic and a novel water-based antiseptic lotion, both with a synergistic combination of antimicrobial ingredients containing 0.2% benzethonium chloride, were evaluated using the standard time-kill method against 25 FDA-specified challenge microorganisms. The purpose of the testing was to determine whether a non-alcohol product could have equivalent rapid and broad-spectrum kill to a traditional alcohol sanitizer. Both the alcohol- and water-based products showed rapid and broad-spectrum antimicrobial activity. The average 15-s kill was 99.999% of the challenge organism for the alcohol-based antiseptic and 99.971% for the water-based antiseptic. The alcohol-based product demonstrated 100% of peak efficacy (60s) within the first 15s, whereas the water-based product showed 99.97%. The novel alcohol-based antiseptic reduced concentrations of 100% of organisms by 99.999%, whereas the water-based antiseptic lotion showed the same reduction for 96% of organisms. A novel water-based antiseptic product demonstrated equivalent rapid, broad-spectrum antimicrobial activity to an alcohol-based sanitizer and provided additional benefits of reduced irritation, persistent effect, and greater efficacy against common viruses. The combination of rapid, broad-spectrum immediate kill and persistent efficacy against pathogens may have significant clinical benefit in limiting the spread of disease.
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Affiliation(s)
- Steven E Czerwinski
- Innovative BioDefense, Inc., 21581 Midcrest Drive, Lake Forest, CA 92630, United States.
| | - Jesse Cozean
- Innovative BioDefense, Inc., 21581 Midcrest Drive, Lake Forest, CA 92630, United States
| | - Colette Cozean
- Innovative BioDefense, Inc., 21581 Midcrest Drive, Lake Forest, CA 92630, United States
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Abstract
It is critical for health care personnel to recognize and appreciate the detrimental impact of intensive care unit (ICU)-acquired infections. The economic, clinical, and social expenses to patients and hospitals are overwhelming. To limit the incidence of ICU-acquired infections, aggressive infection control measures must be implemented and enforced. Researchers and national committees have developed and continue to develop evidence-based guidelines to control ICU infections. A multifaceted approach, including infection prevention committees, antimicrobial stewardship programs, daily reassessments-intervention bundles, identifying and minimizing risk factors, and continuing staff education programs, is essential. Infection control in the ICU is an evolving area of critical care research.
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Affiliation(s)
- Mohamed F Osman
- Division of Trauma/Burns and Critical Care, Department of Surgery, Brigham and Women's Hospital, Harvard Medical School, 75 Francis St. Boston, MA 02115, USA
| | - Reza Askari
- Division of Trauma/Burns and Critical Care, Department of Surgery, Brigham and Women's Hospital, Harvard Medical School, 75 Francis St. Boston, MA 02115, USA.
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Chavali S, Menon V, Shukla U. Hand hygiene compliance among healthcare workers in an accredited tertiary care hospital. Indian J Crit Care Med 2014; 18:689-93. [PMID: 25316980 PMCID: PMC4195200 DOI: 10.4103/0972-5229.142179] [Citation(s) in RCA: 40] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/19/2022] Open
Abstract
Aim: We are using multimodal technique to improve hand hygiene (HH) compliance among all health care staff for the past 1-year. This cross-sectional observational study was conducted in the surgical ICU to assess adherence to HH among nurses and allied healthcare workers, at the end of the training year. Materials and Methods: This was a cross-sectional observational study using direct observation technique. A single observer collected all HH data. During this analysis, 1500 HH opportunities were observed. HH compliance was tested for all 5 moments as per WHO guidelines. Results: Overall compliance as per WHO Guidelines was 78%. Nurses had an adherence rate of 63%; allied staff adherence was 86.5%. Compliance was 93% after patient contact versus 63% before patient contact. Nurses'compliance before aseptic procedures was lowest at 39%. 92% staff was aware of the facts viz. Diseases prevented by hand washing, ideal duration of HH, reduction of health care associated infections, etc. Conclusion: After 1-year of aggressive multimodal intervention in improving HH compliance, we have an overall compliance of 78%. It implies that sustained performance and compliance to HH can be ensured by ongoing training. Direct observation remains a widely used, easily reproducible method for monitoring compliance.
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Affiliation(s)
- Siddharth Chavali
- Department of Anesthesia and Critical Care, MKCG Medical College, Berhampur, Odisha, India
| | - Varun Menon
- Department of Critical Care, Aditya Birla Memorial Hospital, Pune, Maharashtra, India
| | - Urvi Shukla
- Department of Critical Care, Aditya Birla Memorial Hospital, Pune, Maharashtra, India
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Bergström K, Grönlund U. A pre- and post-intervention study of infection control in equine hospitals in Sweden. Acta Vet Scand 2014; 56:52. [PMID: 25146752 PMCID: PMC4236551 DOI: 10.1186/s13028-014-0052-4] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/27/2014] [Accepted: 08/13/2014] [Indexed: 11/13/2022] Open
Abstract
Background Detection of nosocomial methicillin-resistant Staphylococcus aureus infections in horses in Sweden has increased attention on infection control (IC) in equine hospitals. This study established baseline data on IC programmes within such settings, evaluated compliance with some IC procedures before and after an education intervention, and examined barriers to compliance. The study was carried out between 2008 and 2011 in four Swedish equine hospitals. Data on current IC of each hospital, purchase data on hand sanitisers and disposable gloves per patient, and direct observations of compliance with procedures were monitored pre- and post-intervention. The intervention comprised a lecture on common IC and a review of each hospital’s current procedures. For comparison, retrospective purchase data were reviewed. A questionnaire on individual compliance, experiences and opinions of IC was issued to employees. Results Three hospitals completed the study, while the fourth reported its IC procedures and completed the questionnaire. Actual numbers of procedures, content and level of documentation differed among the hospitals. Similarities were poor or absent IC implementation strategy, lack of active surveillance of compliance with procedures and no monitoring of such as nosocomial infections. Among the hospitals which completed the study, two reported pre-intervention observation of compliance, while all three reported post-intervention observations. The purchase data showed trends for changes over time, although not uniformly related to the intervention. One hospital demonstrated a significant post-intervention increase in compliance with glove procedures, accompanied by a non-significant post-intervention increase in purchases figures. Compliance with dress code and personal appearance was high in all three hospitals (92-100%), while compliance with hand hygiene procedures was generally poorer. Barriers to compliance cited in the questionnaire (data from four hospitals) included insufficient supplies of hygiene products, lack of readily accessible places for cleaning, insufficient knowledge and high workload. Conclusions Potential for easily attainable improvements in IC, such as traceability of documents, implementation strategies and surveillance of efficacy, was revealed. Attention to hand hygiene implementation and improvement of logistics appeared important. Data on purchases per patient were readily available and therefore applicable for intra-hospital surveillance of IC trends over time.
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Abstract
Reducing the frequency of peritonitis for patients undergoing peritoneal dialysis (PD) continues to be a challenge. This review focuses on recent updates in catheter care and other patient factors that influence infection rates. An experienced nursing staff plays an important role in teaching proper PD technique to new patients, but nursing staff must be cognizant of each patient's unique educational needs. Over time, many patients become less adherent to proper dialysis technique, such as washing hands or wearing a mask. This behavior is associated with higher risk of peritonitis and is modifiable with re-training. Prophylactic antibiotics before PD catheter placement can decrease the infection risk immediately after catheter placement. In addition, some studies suggest that prophylaxis against fungal superinfection after antibiotic exposure is effective in reducing fungal peritonitis, although larger randomized studies are needed before this practice can be recommended for all patients. Over time, exit site and nasal colonization with pathogenic organisms can lead to exit-site infections and peritonitis. For patients with Staphylococcus aureus colonization, exit-site prophylaxis with either mupirocin or gentamicin cream reduces clinical infection with this organism. Although there are limited data for support, antibiotic prophylaxis before gastrointestinal, gynecologic, or dental procedures may also help reduce the risk of peritonitis.
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Affiliation(s)
- Jonathan H Segal
- Division of Nephrology, Department of Internal Medicine, University of Michigan, Ann Arbor, MI, USA
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Rubin MA, Jones M, Leecaster M, Khader K, Ray W, Huttner A, Huttner B, Toth D, Sablay T, Borotkanics RJ, Gerding DN, Samore MH. A simulation-based assessment of strategies to control Clostridium difficile transmission and infection. PLoS One 2013; 8:e80671. [PMID: 24278304 PMCID: PMC3836736 DOI: 10.1371/journal.pone.0080671] [Citation(s) in RCA: 38] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/07/2013] [Accepted: 10/09/2013] [Indexed: 12/16/2022] Open
Abstract
Background Clostridium difficile is one of the most common and important nosocomial pathogens, causing severe gastrointestinal disease in hospitalized patients. Although "bundled" interventions have been proposed and promoted, optimal control strategies remain unknown. Methods We designed an agent-based computer simulation of nosocomial C. difficile transmission and infection, which included components such as: patients and health care workers, and their interactions; room contamination via C. difficile shedding; C. difficile hand carriage and removal via hand hygiene; patient acquisition of C. difficile via contact with contaminated rooms or health care workers; and patient antimicrobial use. We then introduced six interventions, alone and "bundled" together: aggressive C. difficile testing; empiric isolation and treatment of symptomatic patients; improved adherence to hand hygiene and contact precautions; improved use of soap and water for hand hygiene; and improved environmental cleaning. All interventions were tested using values representing base-case, typical intervention, and optimal intervention scenarios. Findings In the base-case scenario, C. difficile infection rates ranged from 8–21 cases/10,000 patient-days, with a case detection fraction between 32%–50%. Implementing the "bundle" at typical intervention levels had a large impact on C. difficile acquisition and infection rates, although intensifying the intervention to optimal levels had much less additional impact. Most of the impact came from improved hand hygiene and empiric isolation and treatment of suspected C. difficile cases. Conclusion A "bundled" intervention is likely to reduce nosocomial C. difficile infection rates, even under typical implementation conditions. Real-world implementation of the "bundle" should focus on those components of the intervention that are likely to produce the greatest impact on C. difficile infection rates, such as hand hygiene and empiric isolation and treatment of suspected cases.
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Affiliation(s)
- Michael A. Rubin
- Department of Internal Medicine, George E. Wahlen Department of Veterans Affairs Medical Center, Salt Lake City, Utah, United States of America
- Department of Internal Medicine, University of Utah School of Medicine, Salt Lake City, Utah, United States of America
- * E-mail:
| | - Makoto Jones
- Department of Internal Medicine, George E. Wahlen Department of Veterans Affairs Medical Center, Salt Lake City, Utah, United States of America
- Department of Internal Medicine, University of Utah School of Medicine, Salt Lake City, Utah, United States of America
| | - Molly Leecaster
- Department of Internal Medicine, George E. Wahlen Department of Veterans Affairs Medical Center, Salt Lake City, Utah, United States of America
- Department of Internal Medicine, University of Utah School of Medicine, Salt Lake City, Utah, United States of America
| | - Karim Khader
- Department of Internal Medicine, George E. Wahlen Department of Veterans Affairs Medical Center, Salt Lake City, Utah, United States of America
| | - Willy Ray
- Department of Internal Medicine, George E. Wahlen Department of Veterans Affairs Medical Center, Salt Lake City, Utah, United States of America
| | - Angela Huttner
- Infection Control Program, Geneva University Hospitals, Geneva, Switzerland
| | - Benedikt Huttner
- Infection Control Program, Geneva University Hospitals, Geneva, Switzerland
| | - Damon Toth
- Department of Internal Medicine, George E. Wahlen Department of Veterans Affairs Medical Center, Salt Lake City, Utah, United States of America
| | - Theodore Sablay
- Department of Internal Medicine, George E. Wahlen Department of Veterans Affairs Medical Center, Salt Lake City, Utah, United States of America
- Department of Internal Medicine, University of Utah School of Medicine, Salt Lake City, Utah, United States of America
| | - Robert J. Borotkanics
- Department of Environmental Health Sciences, Johns Hopkins Bloomberg School of Public Health, Baltimore, Maryland, United States of America
| | - Dale N. Gerding
- Department of Internal Medicine, Edward Hines Jr. Department of Veterans Affairs Hospital, Hines, Illinois, United States of America
| | - Matthew H. Samore
- Department of Internal Medicine, George E. Wahlen Department of Veterans Affairs Medical Center, Salt Lake City, Utah, United States of America
- Department of Internal Medicine, University of Utah School of Medicine, Salt Lake City, Utah, United States of America
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dos Santos RP, Konkewicz LR, Nagel FM, Lisboa T, Xavier RC, Jacoby T, Gastal SL, Kuplich NM, Pires MR, Lovatto CG, Deutschendorf C, Kuchenbecker R. Changes in hand hygiene compliance after a multimodal intervention and seasonality variation. Am J Infect Control 2013; 41:1012-6. [PMID: 23972518 DOI: 10.1016/j.ajic.2013.05.020] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/08/2013] [Revised: 05/24/2013] [Accepted: 05/29/2013] [Indexed: 11/18/2022]
Abstract
BACKGROUND Hand hygiene is the most important measure to reduce health care-related infections and colonization with multiresistant micro-organisms. We sought to determine the rate and seasonality of handwashing compliance in a university-affiliated hospital. METHODS In January 2006 (baseline period), handwashing observation was first made in an intensive care unit. From March to May 2006, there was an intervention period; and, from June 2006 to August 2009, we followed hand hygiene compliance. Seasonality curves for handwashing compliance were made during follow-up period. RESULTS During baseline period, a total of 166 observations was made. During follow-up, 17,664 opportunities for hand hygiene were observed. Compliance improved from 30.0% to a mean of 56.7% after the intervention (P < .001). The highest mean rate of compliance was 77.9% for nurses, compared with 52.6% for technicians (P < .001) and 44.6% for physicians (P < .001). Compliance was lower during summer days (first trimester of the year) and increased after March and April and slowly decreased through the end of the year. CONCLUSION One of the reasons for the lower handwashing compliance in the first 3 months of the year is that, in Brazil, this is the summer vacation time; and, because of that, the staff's workload and the number of less well-trained personnel are higher. We emphasize the importance of continuously monitoring hand hygiene to determine the seasonal aspects of compliance.
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Affiliation(s)
- Rodrigo Pires dos Santos
- Hospital Infection Control Committee, Hospital de Clínicas de Porto Alegre, Porto Alegre, Brazil; Hospital Infection Control Committee, Instituto de Cardiologia do Rio Grande do Sul, Porto Alegre, Brazil.
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Stauffer F, Griess M, Pleininger G, Zhumadilova A, Assadian O. Acceptability and tolerability of liquid versus gel and standard versus virucidal alcohol-based hand rub formulations among dental students. Am J Infect Control 2013; 41:1007-11. [PMID: 23890742 DOI: 10.1016/j.ajic.2013.05.004] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/03/2013] [Revised: 05/06/2013] [Accepted: 05/07/2013] [Indexed: 11/28/2022]
Abstract
BACKGROUND Hand hygiene is effective to prevent the transmission of microorganisms in health care settings, but compliance remains low, even when easy access to hand cleaning agents is provided. OBJECTIVE Formulation of alcohol-based hand rub (ABHRs) may influence staff compliance to hand hygiene. The aim of this prospective longitudinal study (1 week) was to investigate possible differences of 4 different gel or liquid ABHR formulations, with or without virucidal claim among dental students. METHODS Participants were randomly assigned to dental treatment cubicles, equipped with either a gel or a liquid based ABHRs, with our without a virucidal claim. Participants assessed the subjective acceptability and the tolerability of test formulations on their hands over a period of 1 week using the 14 item, 7-point Lickert scale World Health Organization questionnaire. RESULTS All tested ABHRs passed the subjective acceptability criteria of ≥50% above 4 for the items "color and fragrance" and for all other items of >75% above 4 and may be regarded as "good." Significant differences were observed between the 2 gels but not between the 2 liquid ABHRs. For subjective skin tolerability, no significant difference was observed between the liquid formulations after 1 consecutive week of application. However, the difference between the 2 gels was highly significant. CONCLUSION Virucidal ABHR formulations may be better accepted and tolerated over prolonged periods by dental students than anticipated. The user acceptability of ABHRs depend more on the specific product's formula than its general category.
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Affiliation(s)
- Fritz Stauffer
- Division for Infection Control, Bernhard Gottlieb University Clinic of Dentistry, Vienna, Austria
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Steinberg JP, Denham ME, Zimring C, Kasali A, Hall KK, Jacob JT. The Role of the Hospital Environment in the Prevention of Healthcare-Associated Infections by Contact Transmission. HERD-HEALTH ENVIRONMENTS RESEARCH & DESIGN JOURNAL 2013. [DOI: 10.1177/193758671300701s06] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
Abstract
OBJECTIVE: This article describes the role of the hospital environment in the spread of pathogens by direct and indirect contact. In addition, the prevention of transmission through interventions involving the built environment is discussed. BACKGROUND: The hospital environment can become contaminated with pathogenic microorganisms, some of which can persist for long periods of time. Although contamination is common, the contribution of the hospital environment to the development of healthcare-associated infections remains unclear. In part spurred by the development of newer technologies to enhance environmental cleaning or to prevent contamination, research into the role of the environment in causing healthcare-associated infections has accelerated. TOPICAL HEADINGS: A review of the recent literature finds an increasing body of evidence implicating contaminated surfaces in patient care areas in the transmission of pathogens and the development of infections. Single-patient rooms and optimally placed alcohol hand rub dispensers and other design features can mitigate infection risk. Enhanced environmental cleaning including touchless technologies and self-cleaning surfaces can reduce environmental contamination and may prevent infections. CONCLUSIONS: The hospital environment contributes to transmission of pathogens in hospitals and to the development of healthcare-associated infections. Newer technologies to prevent environmental contamination or to enhance cleaning are promising although additional studies with the endpoints of reduction of infections are needed before the role of these technologies is known.
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Chan BP, Homa K, Kirkland KB. Effect of varying the number and location of alcohol-based hand rub dispensers on usage in a general inpatient medical unit. Infect Control Hosp Epidemiol 2013; 34:987-9. [PMID: 23917917 DOI: 10.1086/671729] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/03/2022]
Abstract
We sequentially increased the number of wall-mounted alcohol-based hand rub dispensers in a small medical unit to evaluate effects on hand hygiene performance. Above a certain point, addition of more dispensers did not increase hand hygiene frequency, which appeared to be influenced more by location than by total number of dispensers.
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Affiliation(s)
- Benjamin P Chan
- Infectious Disease and International Health, Dartmouth-Hitchcock Medical Center, Lebanon, New Hampshire 03756-0001, USA.
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Mernelius S, Löfgren S, Lindgren PE, Blomberg M, Olhager E, Gunnervik C, Lenrick R, Thrane MT, Isaksson B, Matussek A. The effect of improved compliance with hygiene guidelines on transmission of Staphylococcus aureus to newborn infants: the Swedish Hygiene Intervention and Transmission of S aureus study. Am J Infect Control 2013; 41:585-90. [PMID: 23352076 DOI: 10.1016/j.ajic.2012.09.014] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/03/2012] [Revised: 09/26/2012] [Accepted: 09/26/2012] [Indexed: 10/27/2022]
Abstract
BACKGROUND Newborn infants are often colonized with Staphylococcus aureus originating from health care workers (HCWs). We therefore use colonization with S aureus of newborn infants to determine the effect of an improved compliance with hygiene guidelines on bacterial transmission. METHODS Compliance with hygiene guidelines was monitored prior to (baseline) and after (follow-up) a multimodal hygiene intervention in 4 departments of obstetrics and gynecology. spa typing was used to elucidate transmission routes of S aureus collected from newborn infants, mothers, fathers, staff members, and environment. RESULTS The compliance with hygiene guidelines increased significantly from baseline to follow-up. The transmission of S aureus from HCWs to infants was however not affected. Fathers had the highest colonization rates. Persistent carriage was indicated in 18% of the HCWs. The most commonly isolated spa type was t084, which was not detected in a previous study from the same geographic area. CONCLUSION It is possible to substantially improve the compliance with hygiene guidelines, by using multimodal hygiene intervention. The improved compliance did not decrease the transmission of S aureus from sources outside the own family to newborn infants. Furthermore, we show the establishment of a new spa type (t084), which now is very common in our region.
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70
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Kampf G, Ostermeyer C, Werner HP, Suchomel M. Efficacy of hand rubs with a low alcohol concentration listed as effective by a national hospital hygiene society in Europe. Antimicrob Resist Infect Control 2013; 2:19. [PMID: 23759059 PMCID: PMC3689097 DOI: 10.1186/2047-2994-2-19] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/10/2013] [Accepted: 05/01/2013] [Indexed: 11/10/2022] Open
Abstract
Background Some national hospital hygiene societies in Europe such as the French society for hospital hygiene (SFHH) have positive lists of disinfectants. Few hand disinfectants with a rather low concentration of ethanol are listed by one society as effective for hygienic hand disinfection with 3 mL in 30 s including a virucidal activity in 30 s or 60 s, but published data allow having doubts. We have therefore evaluated the efficacy of three commonly used hand disinfectants according to EN 1500 and EN 14476. Methods Products 1 (Aniosgel 85 NPC) and 2 (Aniosrub 85 NPC) were based on 70% ethanol, product 3 (ClinoGel derma+) on 60% ethanol and 15% isopropanol (all w/w). They were tested in 3 laboratories according to EN 1500. Three mL were applied for 30 s and compared to the reference treatment of 2 × 3 mL applications of isopropanol 60% (v/v), on hands artificially contaminated with Escherichia coli. Each laboratory used a cross-over design against the reference alcohol with 15 or 20 volunteers. The virucidal activity of the products was evaluated (EN 14476) in one laboratory against adenovirus and poliovirus in different concentrations (80%, 90%, 97%), with different organic loads (none; clean conditions; phosphate-buffered saline) for up to 3 min. Results Product 1 revealed a mean log10-reduction of 3.87 ± 0.79 (laboratory 1) and 4.38 ± 0.87 (laboratory 2) which was significantly lower compared to the reference procedure (4.62 ± 0.89 and 5.00 ± 0.87). In laboratory 3 product 1 was inferior to the reference disinfection (4.06 ± 0.86 versus 4.99 ± 0.90). Product 2 revealed similar results. Product 3 fulfilled the requirements in one laboratory but failed in the two other. None of the three products was able to reduce viral infectivity of both adenovirus and poliovirus by 4 log10 steps in 3 min according to EN 14476. Conclusions Efficacy data mentioned in a positive list published by a society for hospital hygiene should still be regarded with caution if they quite obviously contradict published data on the same or similar products.
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Affiliation(s)
- Günter Kampf
- Bode Science Center, Bode Chemie GmbH, Melanchthonstraße 27, Hamburg, 22525, Germany ; Institut für Hygiene und Umweltmedizin, Ernst-Moritz-Arndt Universität Greifswald, Walther-Rathenau-Straße 49a, Greifswald, 17489, Germany
| | | | - Heinz-Peter Werner
- HygCen International GmbH, Werksgelände 24, Bischofshofen, 5500, Austria
| | - Miranda Suchomel
- Institut für Hygiene und Angewandte Immunologie, Medizinische Universität Wien, Kinderspitalgasse 15, Vienna, 1090, Austria
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71
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Role of the environment in the transmission of Clostridium difficile in health care facilities. Am J Infect Control 2013; 41:S105-10. [PMID: 23622740 DOI: 10.1016/j.ajic.2012.12.009] [Citation(s) in RCA: 60] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/04/2012] [Revised: 12/15/2012] [Accepted: 12/18/2012] [Indexed: 12/30/2022]
Abstract
Recent data demonstrate that the contaminated hospital surface environment plays a key role in the transmission of Clostridium difficile. Enhanced environmental cleaning of rooms housing Clostridium difficile-infected patients is warranted, and, if additional studies demonstrate a benefit of "no-touch" methods (eg, ultraviolet irradiation, hydrogen peroxide systems), their routine use should be considered.
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Mernelius S, Svensson PO, Rensfeldt G, Davidsson E, Isaksson B, Löfgren S, Matussek A. Compliance with hygiene guidelines: the effect of a multimodal hygiene intervention and validation of direct observations. Am J Infect Control 2013; 41:e45-8. [PMID: 23337307 DOI: 10.1016/j.ajic.2012.09.008] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/30/2012] [Revised: 08/24/2012] [Accepted: 09/04/2012] [Indexed: 10/27/2022]
Abstract
BACKGROUND Good compliance with hygiene guidelines is essential to prevent bacterial transmission and health care-associated infections. However, the compliance is usually <50%. METHODS A multimodal and multidisciplinary hygiene intervention was launched once the baseline compliance was determined through direct observations in 4 departments of obstetrics and gynecology. Detailed evaluations of the compliance rates were performed at point of stability (at 80%) and follow-up (3 years after hygiene intervention). Validation of direct observations was performed using blinded double appraisal and multiappraisal. RESULTS At baseline, the compliance with barrier precautions and the dress code at the 4 departments were 39% to 47% and 79% to 98%, respectively. Point of stability was reached approximately 1 year after the hygiene intervention was launched. The compliance with barrier precautions was significantly higher at follow-up compared with baseline in 3 departments. In the validation by double appraisal, 471 of 483 components were judged identical between observers. In the multiappraisal, 95% to 100% of the observers correctly judged the 7 components. CONCLUSION It is possible to improve compliance with hygiene guidelines, but, to ensure a long-lasting effect, a continuous focus on barrier precautions is required. Observation is a valid method to monitor compliance.
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Gandra S, Ellison RT. Modern trends in infection control practices in intensive care units. J Intensive Care Med 2013; 29:311-26. [PMID: 23753240 DOI: 10.1177/0885066613485215] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Abstract
Hospital-acquired infections (HAIs) are common in intensive care unit (ICU) patients and are associated with increased morbidity and mortality. There has been an increasing effort to prevent HAIs, and infection control practices are paramount in avoiding these complications. In the last several years, numerous developments have been seen in the infection prevention strategies in various health care settings. This article reviews the modern trends in infection control practices to prevent HAIs in ICUs with a focus on methods for monitoring hand hygiene, updates in isolation precautions, new methods for environmental cleaning, antimicrobial bathing, prevention of ventilator-associated pneumonia, central line-associated bloodstream infections, catheter-associated urinary tract infections, and Clostridium difficile infection.
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Affiliation(s)
- Sumanth Gandra
- Division of Infectious Diseases and Immunology, University of Massachusetts Medical School, Worcester, MA, USA
| | - Richard T Ellison
- Division of Infectious Diseases and Immunology, University of Massachusetts Medical School, Worcester, MA, USA
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Monistrol O, López ML, Riera M, Font R, Nicolás C, Escobar MA, Freixas N, Garau J, Calbo E. Hand contamination during routine care in medical wards: the role of hand hygiene compliance. J Med Microbiol 2013; 62:623-629. [DOI: 10.1099/jmm.0.050328-0] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/27/2023] Open
Affiliation(s)
- Olga Monistrol
- Nosocomial Infection Control and Service of Internal Medicine, Hospital Universitari MútuaTerrassa, Plaça Dr Robert 08221 Terrassa, Barcelona, Spain
| | - M. Liboria López
- Catlab, Parc Logístic de Salut, Vial de Sant Jordi s/n Viladecavalls, Barcelona, Spain
| | - Montserrat Riera
- Nosocomial Infection Control and Service of Internal Medicine, Hospital Universitari MútuaTerrassa, Plaça Dr Robert 08221 Terrassa, Barcelona, Spain
| | - Roser Font
- Nosocomial Infection Control and Service of Internal Medicine, Hospital Universitari MútuaTerrassa, Plaça Dr Robert 08221 Terrassa, Barcelona, Spain
| | - Carme Nicolás
- Nosocomial Infection Control and Service of Internal Medicine, Hospital Universitari MútuaTerrassa, Plaça Dr Robert 08221 Terrassa, Barcelona, Spain
| | - Miguel Angel Escobar
- Nursing Faculty, Campus de Ciències de la Salut, University of Lleida, Avinguda de l’Alcalde Rovira Roure, 44, E-25198 Lleida, Spain
| | - Núria Freixas
- Nosocomial Infection Control and Service of Internal Medicine, Hospital Universitari MútuaTerrassa, Plaça Dr Robert 08221 Terrassa, Barcelona, Spain
| | - Javier Garau
- Nosocomial Infection Control and Service of Internal Medicine, Hospital Universitari MútuaTerrassa, Plaça Dr Robert 08221 Terrassa, Barcelona, Spain
| | - Esther Calbo
- Campus Sant Cugat, Universitat Internacional de Catalunya, Sant Cugat del Vallès, Barcelona, Spain
- Nosocomial Infection Control and Service of Internal Medicine, Hospital Universitari MútuaTerrassa, Plaça Dr Robert 08221 Terrassa, Barcelona, Spain
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Rutala WA, Weber DJ. Role of the hospital environment in disease transmission, with a focus on Clostridium difficile. ACTA ACUST UNITED AC 2013. [DOI: 10.1071/hi12057] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
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Philippart F, Max A, Couzigou C, Misset B. Reanimación y prevención de las infecciones nosocomiales. EMC - ANESTESIA-REANIMACIÓN 2013. [PMCID: PMC7147915 DOI: 10.1016/s1280-4703(12)63970-x] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Indexed: 01/15/2023]
Abstract
Los servicios de reanimación deben organizar de forma minuciosa la prevención de infecciones en sus enfermos, ya que éstos suelen estar inmunodeprimidos, están sometidos a múltiples procedimientos invasivos realizados por un personal sanitario variado, a menudo en situaciones de urgencia y a cualquier hora del día o de la noche. Las principales infecciones que hay que tratar de prevenir son las neumonías bacterianas adquiridas asociadas a ventilación mecánica (NAVM), las infecciones relacionadas con catéteres intravasculares y las infecciones urinarias asociadas al sondeo vesical. La incidencia de estas infecciones ha disminuido en la mayoría de los servicios que realizan un control cifrado, sobre todo gracias a la implantación de programas de mejora de la calidad. Las técnicas de prevención son múltiples y deben aplicarse simultáneamente. Incluyen medidas globales, como las modalidades de prevención de la transmisión cruzada (higiene de las manos, sobre todo) o de uso de antibióticos, concebidas para reducir la presión de selección de bacterias resistentes a éstos, así como medidas específicas relativas a la colocación y uso de cada uno de los dispositivos invasivos. Numerosas técnicas han demostrado su eficacia en estudios de buen nivel metodológico (higiene de las manos, apósitos para catéteres, etc.), mientras que otras siguen siendo objeto de controversias, por lo que las recomendaciones nacionales e internacionales se actualizan regularmente de acuerdo con los nuevos datos científicos. Estas medidas, implantadas de manera razonada en el marco de programas de mejora de la calidad, permiten obtener tasas muy bajas de infecciones relacionadas con el uso de catéteres vasculares y resultados menos satisfactorios con las NAVM, que justifican la necesidad de proseguir la investigación en este campo.
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Affiliation(s)
- F. Philippart
- Service de réanimation, Groupe hospitalier Paris Saint-Joseph, 185, rue Raymond-Losserand, 75014 Paris, France
- Université Paris Descartes, 12, rue de l’École-de-Médecine, 75270 Paris cedex 06, France
- Unité cytokines et inflammation, Institut Pasteur, 25-28, rue du Docteur-Roux, 75015 Paris, France
| | - A. Max
- Service de réanimation, Groupe hospitalier Paris Saint-Joseph, 185, rue Raymond-Losserand, 75014 Paris, France
| | - C. Couzigou
- Unité d’hygiène, Groupe hospitalier Paris Saint-Joseph, 185, rue Raymond-Losserand, 75014 Paris, France
| | - B. Misset
- Université Paris Descartes, 12, rue de l’École-de-Médecine, 75270 Paris cedex 06, France
- Chef du service de réanimation, Groupe hospitalier Paris Saint-Joseph, 185, rue Raymond-Losserand, 75014 Paris, France
- Auteur correspondant.
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Marra AR, Camargo TZS, Cardoso VJ, Moura DF, Casemiro de Andrade E, Wentzcovitch J, Santos da Rocha AS, Pavão dos Santos OF, Edmond MB. Hand hygiene compliance in the critical care setting: a comparative study of 2 different alcohol handrub formulations. Am J Infect Control 2013; 41:136-9. [PMID: 22748843 DOI: 10.1016/j.ajic.2012.02.018] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/13/2012] [Revised: 02/05/2012] [Accepted: 02/06/2012] [Indexed: 10/28/2022]
Abstract
BACKGROUND Hand hygiene (HH) compliance can be affected by the accessibility of products (alcohol-based products or chlorhexidine) and by the formulations of these products. There are few published studies comparing different alcohol-based hand disinfection formulations. METHODS This study was conducted in a 41-bed medical-surgical intensive care unit at a private tertiary care hospital. Over a 16-week period, we assessed HH compliance by direct observation of practice using iPods and measurement of the amount of product used [alcohol and chlorhexidine] in two 4-room pods in which an alcohol gel product was used compared with two other 4-room pods in which an alcohol-based foam formulation was used. RESULTS A total of 3,895 opportunities for HH were observed, and the overall rate of HH compliance was 36.9%. No statistically significant differences were found in overall HH compliance or alcohol-based HH compliance between the alcohol foam unit and the alcohol gel unit. However, there was a statistically significant difference in chlorhexidine HH compliance between the alcohol foam unit and the alcohol gel unit (7.0% [130 of 1,853] vs 3.8% [77 of 2,042]; P < .01). CONCLUSIONS Alcohol handrub use was greater than chlorhexidine use, but HH compliance was low in both units independent of the alcohol formulation available. The similarity of use of both alcohol formulations suggests that health care workers tend to use whatever product is readily available.
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Salama MF, Jamal WY, Mousa HA, Al-AbdulGhani KA, Rotimi VO. The effect of hand hygiene compliance on hospital-acquired infections in an ICU setting in a Kuwaiti teaching hospital. J Infect Public Health 2013; 6:27-34. [DOI: 10.1016/j.jiph.2012.09.014] [Citation(s) in RCA: 46] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/23/2012] [Revised: 09/01/2012] [Accepted: 09/10/2012] [Indexed: 11/17/2022] Open
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Rianimazione e prevenzione delle infezioni nosocomiali. EMC - ANESTESIA-RIANIMAZIONE 2013. [PMCID: PMC7148748 DOI: 10.1016/s1283-0771(12)63945-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
Abstract
I servizi di rianimazione devono organizzare la prevenzione delle infezioni nei loro pazienti in modo minuzioso, in quanto i pazienti sono spesso immunodepressi e subiscono gesti invasivi molteplici, realizzati da personale differente, spesso in situazioni di urgenza e a qualsiasi ora del giorno o della notte. Le principali infezioni che bisogna tentare di prevenire sono le polmoniti batteriche acquisite sotto ventilazione meccanica (PAVM), le infezioni su cateteri intravascolari e le infezioni urinarie su catetere vescicale. L’incidenza di queste infezioni è diminuita nella maggior parte dei servizi che ne effettuano un monitoraggio su base numerica, in particolare nel quadro di programmi di miglioramento della qualità. Le tecniche di prevenzione sono molteplici e devono essere applicate simultaneamente. Esse riguardano delle misure globali, come le modalità di prevenzione della trasmissione crociata (igiene delle mani, in particolare) o di utilizzo degli antibiotici nella prospettiva di ridurre la pressione di selezione di batteri resistenti agli antibiotici, così come delle misure specifiche relative al posizionamento e all’utilizzo di ciascuno dei dispositivi invasivi. Numerose tecniche si sono dimostrate efficaci in studi di buon livello metodologico (igiene delle mani, medicazioni dei cateteri, ecc.) mentre altre sono ancora oggetto di controversie, portando a raccomandazioni nazionali e internazionali regolarmente aggiornate in funzione dei nuovi dati scientifici. Queste misure, implementate in modo ragionato nel quadro di programmi di miglioramento della qualità, consentono di ottenere dei tassi molto bassi per quanto riguarda le infezioni dei cateteri vascolari e dei risultati meno buoni per le PAVM, illustrando la necessità di proseguire la ricerca in questo settore.
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80
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Estimating the volume of alcohol-based hand rub required for a hand hygiene program. Am J Infect Control 2012; 40:810-4. [PMID: 22386153 DOI: 10.1016/j.ajic.2011.10.022] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/28/2011] [Revised: 10/26/2011] [Accepted: 10/26/2011] [Indexed: 11/22/2022]
Abstract
BACKGROUND Providing alcohol-based hand rub (ABHR) at the point of care is a key success factor in enabling health care providers to achieve optimal hand hygiene practices. There are few tools available for health care organizations to assess the number of points of care, estimate the number of hand hygiene indications at each point of care, and estimate the anticipated volume of ABHR required to support a hand hygiene program. METHODS We developed an assessment tool to systematically evaluate the environmental hand hygiene needs in diverse care settings across a multisite health care organization. RESULTS We identified 1,103 points of care in 34 clinical units, of which only 53% had ABHR at point of care. There are an estimated 171,468,240 (95% confidence interval: 146,844,406-191,871,179) hand hygiene indications per year in our in-patient and emergency areas. If 100% compliance with hand hygiene is achieved, 240,056 L of ABHR will be required each year. CONCLUSIONS Our environmental assessment was invaluable in estimating the number of hand hygiene indications by unit and the logistical and financial requirements to implement a hand hygiene program. Other health care organizations may find this a useful framework to estimate their own environmental hand hygiene needs.
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82
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Hornbeck T, Naylor D, Segre AM, Thomas G, Herman T, Polgreen PM. Using sensor networks to study the effect of peripatetic healthcare workers on the spread of hospital-associated infections. J Infect Dis 2012; 206:1549-57. [PMID: 23045621 DOI: 10.1093/infdis/jis542] [Citation(s) in RCA: 87] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
Abstract
BACKGROUND Super-spreading events, in which an individual with measurably high connectivity is responsible for infecting a large number of people, have been observed. Our goal is to determine the impact of hand hygiene noncompliance among peripatetic (eg, highly mobile or highly connected) healthcare workers compared with less-connected workers. METHODS We used a mote-based sensor network to record contacts among healthcare workers and patients in a 20-bed intensive care unit. The data collected from this network form the basis for an agent-based simulation to model the spread of nosocomial pathogens with various transmission probabilities. We identified the most- and least-connected healthcare workers. We then compared the effects of hand hygiene noncompliance as a function of connectedness. RESULTS The data confirm the presence of peripatetic healthcare workers. Also, agent-based simulations using our real contact network data confirm that the average number of infected patients was significantly higher when the most connected healthcare worker did not practice hand hygiene and significantly lower when the least connected healthcare workers were noncompliant. CONCLUSIONS Heterogeneity in healthcare worker contact patterns dramatically affects disease diffusion. Our findings should inform future infection control interventions and encourage the application of social network analysis to study disease transmission in healthcare settings.
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Affiliation(s)
- Thomas Hornbeck
- Department of Computer Science, College of Public Health, University of Iowa, Iowa City, Iowa 52242, USA
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Abstract
Improving the quality and safety of intensive care unit (ICU) care in the United States is a significant challenge for the future. Obtaining improvement in systems of care is difficult given the reactionary mode physicians tend to enter when dealing with moment-to-moment crises. It will be important to implement quality and safety measures that are already supported by evidence. Improvement of device safety will be critical to reducing the large number of device-related complications that occur in US ICUs. Prospective collection of adverse events with rigorous analysis will be important to allow systematic errors to be exposed and corrected.
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Affiliation(s)
- Peter J Rossi
- Division of Vascular Surgery, Medical College of Wisconsin, Milwaukee, WI 53226, USA.
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84
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Huis A, van Achterberg T, de Bruin M, Grol R, Schoonhoven L, Hulscher M. A systematic review of hand hygiene improvement strategies: a behavioural approach. Implement Sci 2012; 7:92. [PMID: 22978722 PMCID: PMC3517511 DOI: 10.1186/1748-5908-7-92] [Citation(s) in RCA: 154] [Impact Index Per Article: 12.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/11/2012] [Accepted: 08/23/2012] [Indexed: 11/29/2022] Open
Abstract
BACKGROUND Many strategies have been designed and evaluated to address the problem of low hand hygiene (HH) compliance. Which of these strategies are most effective and how they work is still unclear. Here we describe frequently used improvement strategies and related determinants of behaviour change that prompt good HH behaviour to provide a better overview of the choice and content of such strategies. METHODS Systematic searches of experimental and quasi-experimental research on HH improvement strategies were conducted in Medline, Embase, CINAHL, and Cochrane databases from January 2000 to November 2009. First, we extracted the study characteristics using the EPOC Data Collection Checklist, including study objectives, setting, study design, target population, outcome measures, description of the intervention, analysis, and results. Second, we used the Taxonomy of Behavioural Change Techniques to identify targeted determinants. RESULTS We reviewed 41 studies. The most frequently addressed determinants were knowledge, awareness, action control, and facilitation of behaviour. Fewer studies addressed social influence, attitude, self-efficacy, and intention. Thirteen studies used a controlled design to measure the effects of HH improvement strategies on HH behaviour. The effectiveness of the strategies varied substantially, but most controlled studies showed positive results. The median effect size of these strategies increased from 17.6 (relative difference) addressing one determinant to 49.5 for the studies that addressed five determinants. CONCLUSIONS By focussing on determinants of behaviour change, we found hidden and valuable components in HH improvement strategies. Addressing only determinants such as knowledge, awareness, action control, and facilitation is not enough to change HH behaviour. Addressing combinations of different determinants showed better results. This indicates that we should be more creative in the application of alternative improvement activities addressing determinants such as social influence, attitude, self-efficacy, or intention.
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Affiliation(s)
- Anita Huis
- Scientific Institute for Quality of Healthcare, Radboud University Nijmegen Medical Centre, Nijmegen, The Netherlands
| | - Theo van Achterberg
- Scientific Institute for Quality of Healthcare, Radboud University Nijmegen Medical Centre, Nijmegen, The Netherlands
| | - Marijn de Bruin
- Communication Science, Wageningen University, Wageningen, The Netherlands
| | - Richard Grol
- Scientific Institute for Quality of Healthcare, Radboud University Nijmegen Medical Centre, Nijmegen, The Netherlands
| | - Lisette Schoonhoven
- Scientific Institute for Quality of Healthcare, Radboud University Nijmegen Medical Centre, Nijmegen, The Netherlands
- Faculty of Health Sciences, University of Southampton, Southampton, UK
| | - Marlies Hulscher
- Scientific Institute for Quality of Healthcare, Radboud University Nijmegen Medical Centre, Nijmegen, The Netherlands
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Hand Hygiene: State-of-the-Art Review With Emphasis on New Technologies and Mechanisms of Surveillance. Curr Infect Dis Rep 2012; 14:585-91. [DOI: 10.1007/s11908-012-0288-y] [Citation(s) in RCA: 21] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/27/2022]
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Kirkland KB, Homa KA, Lasky RA, Ptak JA, Taylor EA, Splaine ME. Impact of a hospital-wide hand hygiene initiative on healthcare-associated infections: results of an interrupted time series. BMJ Qual Saf 2012; 21:1019-26. [PMID: 22822243 DOI: 10.1136/bmjqs-2012-000800] [Citation(s) in RCA: 71] [Impact Index Per Article: 5.9] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/04/2022]
Affiliation(s)
- Kathryn B Kirkland
- Department of Medicine, The Geisel School of Medicine at Dartmouth, Hanover, NH, USA.
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Fries J, Segre AM, Thomas G, Herman T, Ellingson K, Polgreen PM. Monitoring hand hygiene via human observers: how should we be sampling? Infect Control Hosp Epidemiol 2012; 33:689-95. [PMID: 22669230 DOI: 10.1086/666346] [Citation(s) in RCA: 40] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/03/2022]
Abstract
OBJECTIVE To explore how hand hygiene observer scheduling influences the number of events and unique individuals observed. DESIGN We deployed a mobile sensor network to capture detailed movement data for 6 categories of healthcare workers over a 2-week period. SETTING University of Iowa Hospital and Clinic medical intensive care unit (ICU). METHODS We recorded 33,721 time-stamped healthcare worker entries to and exits from patient rooms and considered each entry or exit to be an opportunity for hand hygiene. Architectural drawings were used to derive 4 optimal line-of-sight placements for observers. We ran simulations for different observer movement schedules, all with a budget of 1 hour of total observation time. We considered observation times of 1-15, 15-30, 30, and 60 minutes per station. We stochastically generated healthcare worker hand hygiene compliance on the basis of all data and recorded the total unit compliance as it would be reported by each simulated observer. RESULTS Considering a 60-minute total observation period, aggregate simulated observers captured 1.7% of the average total number of opportunities per day at best and 0.5% at worst. The 1-15-minute schedule captures, on average, 16% fewer events than does the 60-minute (ie, static) schedule, but it samples 17% more unique individuals. The 1-15-minute schedule also provides the best estimator of compliance for the duration of the shift, with a mean standard deviation of 17%, compared with 23% for the 60-minute schedule. CONCLUSIONS Our results show that observations are sensitive to different observers' schedules and suggest the importance of using data-driven approaches to schedule hand hygiene audits.
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Affiliation(s)
- Jason Fries
- Department of Computer Science, University of Iowa, Iowa City, IA 52242, USA
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Stewardson A, Allegranzi B, Sax H, Kilpatrick C, Pittet D. Back to the future: rising to the Semmelweis challenge in hand hygiene. Future Microbiol 2011; 6:855-76. [PMID: 21861619 DOI: 10.2217/fmb.11.66] [Citation(s) in RCA: 25] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Abstract
Hand hygiene is the single most important intervention for reducing healthcare associated infections and preventing the spread of antimicrobial resistance. This sentence begins most publications regarding hand hygiene in the medical literature. But why - as we mark 150 years since the publication of Ignaz Semmelweis' landmark monograph on the subject - do we continue to repeat it? One might be tempted to regard it as a truism. However, while tremendous progress has certainly been made in this field, a significant amount of work is yet to be done in both strengthening the evidence regarding the impact of hand hygiene and maximizing its implementation. Hand hygiene cannot yet be taken for granted. This article summarizes historical perspectives, dynamics of microbial colonization and efficacy of hand cleansing methods and agents, elements and impacts of successful hand hygiene promotion, as well as scale-up and sustainability. We also explore hand hygiene myths and current challenges such as monitoring, behavior change, patient participation and research priorities.
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Affiliation(s)
- Andrew Stewardson
- Infection Control Program & World Health Organization Collaborating Centre on Patient Safety (Infection Control & Practice Improvement), University of Geneva Hospitals, Switzerland
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90
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Chen YC, Sheng WH, Wang JT, Chang SC, Lin HC, Tien KL, Hsu LY, Tsai KS. Effectiveness and limitations of hand hygiene promotion on decreasing healthcare-associated infections. PLoS One 2011; 6:e27163. [PMID: 22110610 PMCID: PMC3217962 DOI: 10.1371/journal.pone.0027163] [Citation(s) in RCA: 81] [Impact Index Per Article: 6.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/09/2011] [Accepted: 10/11/2011] [Indexed: 11/20/2022] Open
Abstract
BACKGROUND Limited data describe the sustained impact of hand hygiene programs (HHPs) implemented in teaching hospitals, where the burden of healthcare-associated infections (HAIs) is high. We use a quasi-experimental, before and after, study design with prospective hospital-wide surveillance of HAIs to assess the cost effectiveness of HHPs. METHODS AND FINDINGS A 4-year hospital-wide HHP, with particular emphasis on using an alcohol-based hand rub, was implemented in April 2004 at a 2,200-bed teaching hospital in Taiwan. Compliance was measured by direct observation and the use of hand rub products. Poisson regression analyses were employed to evaluate the densities and trends of HAIs during the preintervention (January 1999 to March 2004) and intervention (April 2004 to December 2007) periods. The economic impact was estimated based on a case-control study in Taiwan. We observed 8,420 opportunities for hand hygiene during the study period. Compliance improved from 43.3% in April 2004 to 95.6% in 2007 (p<.001), and was closely correlated with increased consumption of the alcohol-based hand rub (r = 0.9399). The disease severity score (Charlson comorbidity index) increased (p = .002) during the intervention period. Nevertheless, we observed an 8.9% decrease in HAIs and a decline in the occurrence of bloodstream, methicillin-resistant Staphylococcus aureus, extensively drug-resistant Acinetobacter baumannii, and intensive care unit infections. The intervention had no discernable impact on HAI rates in the hematology/oncology wards. The net benefit of the HHP was US$5,289,364, and the benefit-cost ratio was 23.7 with a 3% discount rate. CONCLUSIONS Implementation of a HHP reduces preventable HAIs and is cost effective.
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Affiliation(s)
- Yee-Chun Chen
- Center for Infection Control, National Taiwan University Hospital, Taipei, Taiwan.
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Johnson M, Kaehler B, Siska M, Lecy B, O'neil M. Healing touch: tips for successful hand hygiene. Nursing 2011; 41:18-20. [PMID: 22005807 DOI: 10.1097/01.nurse.0000406505.99319.b0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/31/2023]
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Affiliation(s)
- Catherine Firanek
- Baxter Healthcare Corporation, Renal Division, McGaw Park, Illinois, USA
| | - Steven Guest
- Baxter Healthcare Corporation, Renal Division, McGaw Park, Illinois, USA
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Slekovec C, Gbaguidi-Haore H, Coignard B, Bertrand X, Talon D. Relationship between prevalence of device-associated infections and alcohol-based hand-rub consumption: a multi-level approach. J Hosp Infect 2011; 78:133-7. [PMID: 21501895 DOI: 10.1016/j.jhin.2011.03.011] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/20/2010] [Accepted: 03/04/2011] [Indexed: 11/19/2022]
Abstract
Using a multi-level logistic regression model, we determined whether there was any relationship between alcohol-based hand-rub consumption and prevalence of device-associated infections (DAIs) in French healthcare facilities (HCFs). Two national databases were used: the 2006 French prevalence survey of nosocomial infections, and the 2006 French infection control indicator database which includes alcohol-based hand-rub consumption as an indicator (ICSHA: indicateur de consommation de solution hydro-alcoolique). Only patients with at least one medical device (urinary catheter, vascular catheter or tracheal tube) who were present in an HCF for at least two days were included in the analysis. A multi-level statistical analysis was performed to assess the joint effect of patient-level and hospital-level variables. In all, 814 HCFs, each with a minimum of 15 study patients, were included, giving a total of 53,459 patients. The overall prevalence of DAI was 6.7% (95% confidence interval: 6.4-6.9). The median value of ICSHA was 37.2%. There was no association between DAI prevalence and ICSHA, but all patient-level variables were associated with DAI prevalence. Patient-level variables explain 25% of the hospital-level variation in DAI prevalence, although 60% of this variation remains unexplained when both patient and hospital variables are included in the model. To further assess any association between DAI prevalence and hand hygiene, additional studies on hand hygiene practices specifically associated with invasive medical device manipulation are required.
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Affiliation(s)
- C Slekovec
- Service d'Hygiène Hospitalière, Centre Hospitalier Universitaire Besançon, France
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Koff MD, Corwin HL, Beach ML, Surgenor SD, Loftus RW. Reduction in ventilator associated pneumonia in a mixed intensive care unit after initiation of a novel hand hygiene program. J Crit Care 2011; 26:489-495. [PMID: 21439767 DOI: 10.1016/j.jcrc.2010.12.013] [Citation(s) in RCA: 36] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/02/2010] [Revised: 12/14/2010] [Accepted: 12/18/2010] [Indexed: 12/29/2022]
Abstract
PURPOSE Healthcare-associated infections (HCAIs) impact 10% of hospitalized patients. Some of these infections result from bacterial cross contamination and poor compliance with guidelines (Pittet D: Compliance with hand disinfection and its impact on hospital-acquired infections. J HospInfect 48 Suppl A:S40-S46, 2001); (Watanakunakorn C, Wang C, Hazy J: An observational study of hand washing and infection control practices by healthcare workers. Infect Control Hosp Epidemiol 19:858-860, 1998). Contamination of provider hands may be a modifiable risk factor. We instituted a novel multimodal system designed to improve hand hygiene by ICU providers. MATERIALS AND METHODS A before and after study design was used to evaluate the impact on the incidence of CRBSI and VAP of a multi-modal program incorporating education, performance feedback, and a body worn hand hygiene device. Compliance was communicated quarterly. Primary outcomes were CRBSIs and VAPs per 1,000 line days or per 1,000 ventilator days and compliance rates. Secondary outcomes were hospital length of stay and mortality. RESULTS A total of 1, 262 and 1,331 patients were evaluated during consecutive 12 month periods. VAP per 1000 vent days were significantly reduced after introduction of the program [3.7 vs. 6.9] P < .01. The reduction in CRBSI per 1000 line days was not significant [1.5 vs. 2.6], P = .09. Observed hand hygiene increased during the study period. There was no significant difference in mortality. CONCLUSIONS A novel multi-modal hand hygiene system resulted in a reduction in VAP. Provider hand contamination during patient care in the ICU is a modifiable risk factor for reducing ventilator associated pneumonias.
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Affiliation(s)
- Matthew D Koff
- Department of Anesthesiology, Section of Critical Care Medicine, Dartmouth-Hitchcock Medical Center, 1 Medical Center Dr, Lebanon, NH 03756.
| | - Howard L Corwin
- Department of Anesthesiology, Section of Critical Care Medicine, Dartmouth-Hitchcock Medical Center, 1 Medical Center Dr, Lebanon, NH 03756
| | - Michael L Beach
- Department of Anesthesiology, Dartmouth-Hitchcock Medical Center, 1 Medical Center Dr, Lebanon, NH 03756
| | - Steven D Surgenor
- Department of Anesthesiology, Section of Critical Care Medicine, Dartmouth-Hitchcock Medical Center, 1 Medical Center Dr, Lebanon, NH 03756
| | - Randy W Loftus
- Department of Anesthesiology, Section of Critical Care Medicine, Dartmouth-Hitchcock Medical Center, 1 Medical Center Dr, Lebanon, NH 03756
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Common Approaches to the Control of Multidrug-resistant Organisms Other Than Methicillin-resistant Staphylococcus aureus (MRSA). Infect Dis Clin North Am 2011; 25:181-200. [DOI: 10.1016/j.idc.2010.11.006] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
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Sacleux P, Bozec A, Veyres P, Negrin N, Vandenbos F, Bondiau PY, Duval MJ, Lambert S, Mazzoni L, Chapuis V, Bodokh I, Dandine M, Chamorey E. [Risk factors for dryness or irritation of staff hands in nine healthcare institutions]. Med Mal Infect 2010; 41:126-34. [PMID: 21129870 DOI: 10.1016/j.medmal.2010.09.021] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/08/2010] [Revised: 05/19/2010] [Accepted: 09/30/2010] [Indexed: 11/26/2022]
Abstract
OBJECTIVE We performed a prospective multicenter study to assess dryness and irritation of hands of staff in care facilities, and to show that disinfection with alcohol-based hand rub is better tolerated than classic hand washing with mild soap. METHOD Dryness and irritation were self-evaluated by volunteers and hetero-evaluated by a team of investigators. The study took into account most of the individual and environmental risk factors of dryness and irritation (season, age, gender, use of protective agent, constitutional, personal and external factors, institution, function, number of consecutive working days). RESULTS The results from the 1932 assessments collected showed that traditional hand washing was a risk factor for dryness or irritation, while alcohol-based hand rubs caused no skin deterioration and had a protective effect even when used intensively. COMMENT These results should help to fight non-adherence to the use of alcohol-based hand rubs.
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Affiliation(s)
- P Sacleux
- Unité de biostatistique et hygiène hospitalière, centre de lutte contre le cancer Antoine-Lacassagne, 33, avenue de Valombrose, 06189 Nice cedex 2, France
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Dancer SJ. Control of transmission of infection in hospitals requires more than clean hands. Infect Control Hosp Epidemiol 2010; 31:958-60. [PMID: 20670169 DOI: 10.1086/655838] [Citation(s) in RCA: 22] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/03/2022]
Abstract
The focus on hand hygiene appears timely, given the problems that we have with transmission of infection in our hospitals. Unfortunately, people do not always clean their hands when they should, and even if they do, there are other factors that contribute to the acquisition of infection. Nonadherence to hand hygiene is now being targeted by the introduction of more rigorous assessment in healthcare environments. “Zero tolerance” mandates are facilitating managerial pursuit of poor hand hygiene, with a variety of disciplinary outcomes. This article questions the priority afforded hand hygiene and its enforcement and asks whether we should reconsider additional infection control strategies rather than threaten staff over hand hygiene practices.
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Affiliation(s)
- Stephanie J Dancer
- Department of Microbiology, Hairmyres Hospital, East Kilbride, Lanarkshire, Scotland.
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Fagernes M, Lingaas E. Factors interfering with the microflora on hands: a regression analysis of samples from 465 healthcare workers. J Adv Nurs 2010; 67:297-307. [DOI: 10.1111/j.1365-2648.2010.05462.x] [Citation(s) in RCA: 34] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/30/2022]
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Freeman J, Bauer MP, Baines SD, Corver J, Fawley WN, Goorhuis B, Kuijper EJ, Wilcox MH. The changing epidemiology of Clostridium difficile infections. Clin Microbiol Rev 2010; 33 Suppl 1:S42-5. [PMID: 20610822 DOI: 10.1016/s0924-8579(09)70016-0] [Citation(s) in RCA: 66] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/01/2023] Open
Abstract
The epidemiology of Clostridium difficile infection (CDI) has changed dramatically during this millennium. Infection rates have increased markedly in most countries with detailed surveillance data. There have been clear changes in the clinical presentation, response to treatment, and outcome of CDI. These changes have been driven to a major degree by the emergence and epidemic spread of a novel strain, known as PCR ribotype 027 (sometimes referred to as BI/NAP1/027). We review the evidence for the changing epidemiology, clinical virulence and outcome of treatment of CDI, and the similarities and differences between data from various countries and continents. Community-acquired CDI has also emerged, although the evidence for this as a distinct new entity is less clear. There are new data on the etiology of and potential risk factors for CDI; controversial issues include specific antimicrobial agents, gastric acid suppressants, potential animal and food sources of C. difficile, and the effect of the use of alcohol-based hand hygiene agents.
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Affiliation(s)
- J Freeman
- Department of Microbiology, Old Medical School, Leeds Teaching Hospitals and University of Leeds, Leeds, United Kingdom
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