Lisa F. Rosen

Double Gloves: A Randomized Trial to Evaluate a Simple Strategy to Reduce Contamination in the Operating Room

BACKGROUND:Oral flora, blood-borne pathogens, and bacterial contamination pose a direct risk of infection to patients and health care workers. We conducted a study in a simulated operating room using a newly validated technology to determine whether the use of 2 sets of gloves, with the outer set removed immediately after endotracheal intubation, may reduce this risk. METHODS:Forty-one anesthesiology residents (PGY 2–4) were enrolled in a study consisting of individual or group simulation sessions. On entry to the simulated operating room, the residents were asked to perform an anesthetic induction and tracheal intubation timed to approximately 6 minutes; they were unaware of the study design. Of the 22 simulation sessions, 11 were conducted with the intubating resident wearing single gloves, and 11 with the intubating resident using double gloves with the outer pair removed after verified intubation. Before the start of the scenario, we coated the lips and inside of the mouth of the mannequin with a fluorescent marking gel as a surrogate pathogen. After the simulation, an observer examined 40 different sites using a handheld ultraviolet light in the operating room to determine the transfer of surrogate pathogens to the patient and the patient’s environment. Residents who wore double gloves were instructed by a confederate nurse to remove the outer set immediately after completion of the intubation. Forty sites of potential intraoperative pathogen spread were identified and assigned a score. RESULTS:The difference in the rate of contamination between anesthesiology residents who wore single gloves versus those with double gloves was clinically and statistically significant. The number of sites that were contaminated in the operating room when the intubating resident wore single gloves was 20.3 ± 1.4 (mean ± SE); the number of contaminated sites when residents wore double gloves was 5.0 ± 0.7 (P < 0.001). CONCLUSIONS:The results of this study suggest that when an anesthesiologist wears 2 sets of gloves during laryngoscopy and intubation and then removes the outer set immediately after intubation, the contamination of the intraoperative environment is dramatically reduced.

Do hospital visitors wash their hands? Assessing the use of alcohol-based hand sanitizer in a hospital lobby

BACKGROUND Reports regarding hand hygiene compliance (HHC) among hospital visitors are limited. Although there is an implicit assumption that the availability of alcohol-based hand sanitizer (AHS) promotes visitor HHC, the degree of AHS use by visitors remains unclear. To assess AHS use, we observed visitor HHC and how it is affected by visual cues in a private university hospital. METHODS Using an observational controlled study, we tested 3 interventions: a desk sign mandating all visitors to use AHS, a free-standing AHS dispenser directly in front of a security desk, and a combination of a freestanding AHS dispenser and a sign. RESULTS HHC was 0.52% at baseline and did not improve significantly when the desk sign was provided as a cue 0.67% (P = .753). However, HHC did improve significantly with use of the freestanding AHS dispenser (9.33%) and the sign and dispenser combination (11.67%) (P < .001 for all comparisons of dispenser alone and sign and dispenser with baseline and sign alone). The degree of improvement with the sign and dispenser combination over the dispenser was not statistically significant. CONCLUSIONS Hospital visitors represent an important factor in infection prevention. A coordinated effort is needed to increase visitor HHC, including an evaluation of the AHS placement, education of visitors on the importance of HHC, and evaluation of corresponding changes in hand hygiene behavior.

A novel educational programme to improve knowledge regarding health care-associated infection and hand hygiene

Lack of hand hygiene by health-care workers is the most significant cause of health care-associated infection. This programme was designed to make health-care workers want to wash their hands, to change their knowledge regarding hand hygiene and health care-associated infection, and influence practice. Improvement between pre- and post-test scores was statistically significant. Compliance is a multifactorial problem that involves knowledge and behaviour. Educational awareness and frequent reminders are critical to maintain high rates of hand hygiene compliance.

The use of a novel technology to study dynamics of pathogen transmission in the operating room.

Pathogenic organisms have been found in the intraoperative environment, potentially posing a risk of infection that could cause morbidity and mortality. In an effort to understand how a patient’s bacteria can be spread throughout the operating room with the anesthesia provider as a vector, we conducted a study using recently developed experimental technology in a simulated operating room environment with a high-fidelity human patient simulator.

A patient safety course for preclinical medical students.

Background:  We developed a course to introduce incoming third‐year medical students to the subject of patient safety, to focus their attention on teamwork and communication, and to create an awareness of patient‐safe practices that will positively impact their performance as clinicians.

Sexual assault forensic examiners' training and assessment using simulation technology

INTRODUCTION More than 190,000 sexual assaults involving persons aged 12 years or older occur annually in the United States. For these victims, a forensic examination is the first step in the process to justice. Assessment and treatment of victims, as well as the meticulous collection and documentation of evidence, are vital for a strong case. Providing timely services 24/7 by qualified professionals can be taxing on schedules and budgets. Using in-house resources to cross-train ED personnel, we developed a program that introduced novice forensic examiners to common clinical scenarios encountered in the treatment of victims and provided a framework for the evaluation and management of each case. METHODS Seventeen ED personnel attended statewide sexual assault nurse examination training and participated in four simulation scenarios and debriefings. Pre-tests and post-tests were administered, and a checklist was used to assess competence in performing examinations independently. RESULTS The majority of participants achieved competence (≥85% on the checklist) with their first case and had statistically significant gains in knowledge between pre-test and post-test (pre-test mean score [±SE] of 69.1 ± 1.7 vs. post-test mean score of 84.4 ± 2.6, P < .001). Course evaluations were favorable, with a mean score of 91.3%. DISCUSSION Our results validated the use of simulation technology and in-house resources for cross-training in a sexual assault forensic examination program, together with a checklist to assess competence in performing examinations independently. Benefits of having a sexual assault forensic examination program in the emergency department are standardized and timely care for victims, as well as enhanced evidence collection and increased reporting and prosecution of crimes.

An evaluation of hand hygiene in an intensive care unit: Are visitors a potential vector for pathogens?

Patients in an intensive care unit (ICU) are frequently immunocompromised and might be highly susceptible to infection. Visitors to an ICU who do not adequately clean their hands could carry pathogenic organisms, resulting in risk to a vulnerable patient population. This observational study identifies pathogens carried on the hands of visitors into an ICU and investigates the effect of hand hygiene. Two observers, one stationed outside and one inside the ICU, evaluated whether visitors performed hand hygiene at any of the wall-mounted alcohol-based hand sanitizer dispensers prior to reaching a patients room. Upon reaching a patients room, the dominant hand of all of the participants was cultured. Of the 55 participating visitors, 35 did not disinfect their hands. Among the cultures of those who failed to perform hand hygiene, eight cultures grew Gram-negative rods and one grew methicillin-resistant Staphylococcus aureus. Of the cultures of the 20 individuals who performed hand hygiene, 14 (70%) had no growth on the cultures, and the remaining six (30%) showed only the usual skin flora. The visitors who do not perform hand hygiene might carry pathogens that pose a risk to ICU patients.

A ubiquitous but ineffective intervention: Signs do not increase hand hygiene compliance

Proper hand hygiene is critical for preventing healthcare-associated infection, but provider compliance remains suboptimal. While signs are commonly used to remind physicians and nurses to perform hand hygiene, the content of these signs is rarely based on specific, validated health behavior theories. This observational study assessed the efficacy of a hand hygiene sign disseminated by the Centers for Disease Control and Prevention in an intensive care unit compared to an optimized evidence-based sign designed by a team of patient safety experts. The optimized sign was developed by four patient safety experts to include known evidence-based components and was subsequently validated by surveying ten physicians and ten nurses using a 10 point Likert scale. Eighty-two physicians and 98 nurses (102 females; 78 males) were observed for hand hygiene (HH) compliance, and the total HH compliance rate was 16%. HH compliance was not significantly different among the signs (Baseline 10% vs. CDC 18% vs. OIS 20%; p=0.280). The findings of this study suggest that even when the content and design of a hand hygiene reminder sign incorporates evidence-based constructs, healthcare providers comply only a fraction of the time.

The influence of high fidelity simulation on first responders retention of CPR knowledge.

INTRODUCTION The purpose of this study was to identify the impact of high-fidelity simulation on the retention of basic life support cardiopulmonary resuscitation (CPR) knowledge among a group of healthcare providers (HCPs). METHODS A twenty-five question exam was completed by nurses and nurse technicians over a two-year period before and after mandatory CPR training with high-fidelity simulation. RESULTS Most HCPs scored near 50% or below the passing score (80%) with a mean range of scores between 28% and 84%. HCPs missed questions on the exam that requested specific details related to technique or human physiology during CPR. CONCLUSION The current teaching method for basic life support may be enhanced by using high-fidelity simulation, but this modality alone is not enough to support HCPs retention of CPR knowledge. Additional studies are needed to identify strategies that will help HCPs remember specific and detailed information in the CPR algorithm.

Man versus machine: The preferred modality

Background:  When learning objectives do not specifically dictate the use of one simulation modality over another, we sought to answer the question of which modality is preferred. We also assessed the impact of debriefing, and the frequency of participants asserting their leadership, as well as self‐reported comfort and competence, and the ability to generate differential diagnoses when either a standardised patient (SP) or high‐technology simulator (HTS) was used.