Strategies to enhance adoption of ventilator-associated pneumonia prevention interventions: a systematic literature review

Identifying the barriers and facilitators to implementation of ventilator bundle in the nepalese intensive care unit: A descriptive qualitative study

BACKGROUND

A ventilator bundle is an effective preventive strategy against the development of ventilator-associated pneumonia (VAP). However, in clinical practice ventilator bundle implementation is poor. Understanding the barriers to ventilator bundle implementation in low- and middle-income countries can inform the development of effective implementation strategies to reduce the burden of VAP.

OBJECTIVES

The primary objective of this study was to explore the barriers and facilitators of ventilator bundle implementation perceived by healthcare professionals (HCPs) working in intensive care units (ICU) in Nepal. The secondary objective was to prioritise the barriers when developing implementation strategies.

METHODS

This study used a pragmatic approach comprising a series of methods to identify the implementation strategies: (i) Barriers and facilitators were explored using a qualitative study design. Twenty-one HCPs selected using the maximum variation sampling technique from a large tertiary hospital, completed semistructured interviews. All the interviews were recorded, transcribed word-by-word, and uploaded into NVivo for analysis using the thematic analysis approach. (ii) After analysis, nine participants were selecteded to determine the priority order of the barriers using a barrier identification and mitigation tool.

RESULTS

The data analysis revealed five main themes and 19 subthemes that affected ventilator bundle implementation. The main themes were provider-related factors, organisational and practice-related factors, performances of work, environmental conditions, and patient-related factors. The common barriers were job insecurity, poor knowledge, negative attitude, insufficient equipment, and severity of patient disease. Common facilitators were educational training, equipment functioning, adequate staff, strong leadership, and organisational support. Finally, eight main barriers were prioritised to target the change.

CONCLUSION

The barriers to implementing ventilator bundles in ICUs were identified. Focussing on addressing the prioritised barriers may aid in improving patient care and safety in ICUs. Results may guide HCPs in the development of implementation strategies to reduce the burden of VAP.

Prevention of ventilator-associated pneumonia with probiotics: an overview of systematic reviews

Background

Probiotics has been used as an adjuvant therapy for the prevention of ventilator-associated pneumonia (VAP). This study aimed to systematically compile, evaluate, and synthesize previous systematic reviews (SRs) and meta-analyses (MAs) on the prevention of VAP with probiotics.

Methods

The methodological quality, reporting quality, and evidence quality of enrolled studies were, respectively evaluated by Assessment of Multiple Systematic Reviews 2 (AMSTAR-2) tool, Preferred Reporting Items for Systematic Reviews and Meta-Analyses (PRISMA) checklists, and Grading of Recommendations, Assessment, Development, and Evaluation (GRADE) system.

Results

Thirteen eligible publications were analyzed in this overview. The included studies were rated as generally low methodological quality owing to the lack of a registered protocol or a list of exclusion criteria. The inadequate quality of the reports was demonstrated by the lack of reporting on the registration protocols, the lack of reporting on the search strategy, and the lack of reporting on the additional analyses. For GRADE, there were 36.17% (17/47) outcomes graded to be of moderate quality, 42.55% (20/47) to be of low quality, and 21.28% (10/47) to be of very low quality.

Conclusion

Probiotics may be associated with reduced incidence of VAP. However, caution should be exercised when recommending probiotics for the prevention of VAP owing to the poor quality of the current evidence.

Strategies to prevent ventilator-associated pneumonia, ventilator-associated events, and nonventilator hospital-acquired pneumonia in acute-care hospitals: 2022 Update

The purpose of this document is to highlight practical recommendations to assist acute care hospitals to prioritize and implement strategies to prevent ventilator-associated pneumonia (VAP), ventilator-associated events (VAE), and non-ventilator hospital-acquired pneumonia (NV-HAP) in adults, children, and neonates. This document updates the Strategies to Prevent Ventilator-Associated Pneumonia in Acute Care Hospitals published in 2014. This expert guidance document is sponsored by the Society for Healthcare Epidemiology (SHEA), and is the product of a collaborative effort led by SHEA, the Infectious Diseases Society of America, the American Hospital Association, the Association for Professionals in Infection Control and Epidemiology, and The Joint Commission, with major contributions from representatives of a number of organizations and societies with content expertise.

The Association Between Professional Burnout and Engagement With Patient Safety Culture and Outcomes: A Systematic Review

OBJECTIVES

In the last 20 years, there have been numerous successful efforts to improve patient safety, although recent research still shows a significant gap. Researchers have begun exploring the impact of individual level factors on patient safety culture and safety outcomes. This review examines the state of the science exploring the impact of professional burnout and engagement on patient safety culture and safety outcomes.

METHODS

A systematic search was conducted in CINAHL, PubMed, and Embase. Studies included reported on the relationships among burnout or engagement and safety culture or safety outcomes.

RESULTS

Twenty-two studies met inclusion criteria. Ten studies showed a relationship between both safety culture and clinical errors with burnout. Two of 3 studies reported an association between burnout and patient outcomes. Fewer studies focused on engagement. Most studies exploring engagement and safety culture found a moderately strong positive association. The limited evidence on the relationship between engagement and errors depicts inconsistent findings. Only one study explored engagement and patient outcomes, which failed to find a relationship.

CONCLUSIONS

The burnout/safety literature should be expanded to a multidisciplinary focus. Mixed results of the relationship between burnout and errors could be due to a disparate relationship with perceived versus observed errors. The engagement/safety literature is immature, although high engagement seems to be associated with high safety culture. Extending this science into safety outcomes would be meaningful, especially in light of the recent focus on an abundance-based approach to safety.

Preventive Effect of Probiotics on Ventilator-Associated Pneumonia: A Meta-analysis of 2428 Patients

BACKGROUND

Researchers had contradictory conclusions about the role of probiotics in preventing ventilator-associated pneumonia (VAP), which has led to the controversial use of probiotics in mechanically ventilated patients.

OBJECTIVE

To explore the efficacy and safety of probiotics in preventing VAP.

METHODS

A literature search was conducted in 7 medical databases. Two investigators assessed literature quality independently and collected data. The primary outcome was the incidence of VAP. Secondary outcomes included 16 measures. Sensitivity analysis and subgroup and meta-regression analyses were performed to analyze the source of heterogeneity. P values <0.05 were considered statistically significant, and CIs were set at 95%. A random-effects model was set when I² <50%, otherwise a fixed-effects model was used.

RESULTS

A total of 20 randomized controlled studies with a total of 2428 patients were analyzed. Pooled results showed positive effects of probiotics on the reduction of VAP incidence (risk ratio [RR] = 0.672; P < 0.001; I² = 11.3%), length of ICU stay (WMD = -1.417; P = 0.012; I² = 90.7%), oropharyngeal (RR = 0.866; P = 0.031; I² = 12.4%) and gastric (RR = 0.645; P < 0.001; I² = 30.2%) colonization.

CONCLUSIONS AND RELEVANCE

Probiotics can reduce the incidence of VAP and reduce oropharyngeal and gastric bacterial colonization. The results also suggest that probiotics do not cause adverse effects.

Critical care nurses' knowledge of, adherence to, and barriers toward institution-specific ventilator bundle

BACKGROUND

Although evidence-based practices are known to improve the quality of care, making it cost-efficient and improving clinical results, barriers to transferring research into clinical practice have hindered this process.

AIMS

To evaluate critical care nurses' knowledge of, adherence to, and barriers toward institution-specific ventilator bundle.

MATERIAL AND METHODS

In 2015, we conducted an institution-specific, cross-sectional study in a 26-bed adult mixed medical-surgical intensive care unit (ICU) in Finland using quantitative survey of knowledge and self-reported adherence with qualitative gathering of barrier data. A pre-validated multiple-choice Ventilator Bundle Questionnaire was distributed to all registered nurses who were direct care providers (n = 155).

RESULTS

The final response rate was 55.5% (n = 86), and 47.2% (n = 34) of respondents had more than 10 years of ICU experience. The levels of knowledge and self-reported adherence were 71.1% and 65.8% of the total score, respectively. The level of knowledge was higher among respondents who had received in-service education about ventilator bundle compared with respondents who had not received in-service education (27.0 vs 24.0 [P = .012]). Less experienced nurses reported significantly higher adherence than nurses with more ICU experience (29.0 vs 25.0 [P = .034]). The correlation between knowledge and adherence scores was low (ρ 0.48 [P <.001]). The most well-known and adhered-to guidelines described patient positioning, daily chlorhexidine-based oral care, and strict hand hygiene. The least-known guidelines and those least adhered to described respiratory equipment, management of sedation and analgesia, and practices prior to and during endotracheal suctioning. The main barriers were related to the nurse respondents (e.g., lack of education [25.9%]), environment (e.g., role ambiguities [36.4%] and inadequate resources [21.1%]), and patients (e.g., patient discomfort [4.8%] and fear of adverse effects [4.6%]).

CONCLUSIONS

Self-reported adherence did not correlate with knowledge and was not related to work experience. Most of the barriers toward evidence-based guidelines indicated a need for changes that are beyond the control of individual nurses.

Preventing ventilator-associated pneumonia-a mixed-method study to find behavioral leverage for better protocol adherence

OBJECTIVE

Preventing ventilator-associated pneumonia (VAP) is an important goal for intensive care units (ICUs). We aimed to identify the optimal behavior leverage to improve VAP prevention protocol adherence.

DESIGN

Mixed-method study using adherence measurements to assess 4 VAP prevention measures and qualitative analysis of semi-structured focus group interviews with frontline healthcare practitioners (HCPs).

SETTING

The 6 ICUs in the 900-bed University Hospital Zurich in Zurich, Switzerland.Patients and participantsAdherence to VAP prevention measures were assessed in patients with a device for invasive ventilation (ie, endotracheal tube, tracheostomy tube). Participants in focus group interviews included a convenience samples of ICU nurses and physicians.

RESULTS

Between February 2015 and July 2017, we measured adherence to 4 protocols: bed elevation showed adherence at 27% (95% confidence intervals [CI], 23%-31%); oral care at 41% (95% CI, 36%-45%); sedation interruption at 81% (95% CI, 74%-85%); and subglottic suctioning at 88% (95% CI, 83%-92%). Interviews were analyzed first inductively according a grounded theory approach then deductively against the behavior change wheel (BCW) framework. Main behavioral facilitators belonged to the BCW component 'reflective motivation' (ie, perceived seriousness of VAP and self-efficacy to prevent VAP). The main barriers belonged to 'physical capability' (ie, lack of equipment and staffing and side-effects of prevention measures). Furthermore, 2 primarily technical approaches (ie, 'restructuring environment' and 'enabling HCP') emerged as means to overcome these barriers.

CONCLUSIONS

Our findings suggest that technical, rather than education-based, solutions should be promoted to improve VAP prevention. This theory-informed mixed-method approach is an effective means of guiding infection prevention efforts.

What is new in the prevention of nosocomial pneumonia in the ICU?

PURPOSE OF REVIEW

To summarize and contextualize recent evidence on preventing ventilator-associated pneumonia (VAP).

RECENT FINDINGS

Many centers continue to report dramatic decreases in VAP rates after implementing ventilator bundles. Interpreting these reports is complicated, however, by the subjectivity and lack of specificity of VAP definitions. More objective data suggest VAP rates may not have meaningfully changed over the past decade. If so, this compels us to re-examine and revise the prevention bundles we have been using to prevent VAP. New analyses suggest that most hospitals' ventilator bundles include a mix of helpful and potentially harmful elements. Spontaneous awakening trials, spontaneous breathing trials, head-of-bed elevation, and thromboprophylaxis appear beneficial. Oral chlorhexidine and stress ulcer prophylaxis may be harmful. Subglottic secretion drainage, probiotics, and novel endotracheal cuff designs do not clearly improve objective outcomes. Selective digestive decontamination by contrast appears to lower VAP and mortality rates. Effective implementation is as important as choosing the right bundle components. Best practices include engaging and educating staff, creating structures that facilitate bundle adherence, and providing regular feedback on process measure performance and outcome rates.

SUMMARY

VAP rates may still be elevated despite multiple reports to the contrary. Recent evidence suggests new ways to optimize the selection of ventilator bundle components and their implementation.

Performance of ICU Nurses in Providing Respiratory Care

BACKGROUND

Failure to provide proper respiratory care leads to incidence of certain complications such as ventilator-associated pneumonia. Nurses have a crucial role in providing this care. The aim of this study is to assess the performance of ICU (Intensive Care Unit) nurses in providing respiratory care.

MATERIALS AND METHODS

The present descriptive cross-sectional study recruited 120 nurses working in selected hospitals affiliated to Isfahan University of Medical Sciences from March to August 2016. The questionnaire used included demographic and employment details and performance observation checklist (containing 39 items in four care domains) based on recommendations in clinical guidelines. The performance of each nurse during a working shift was observed. Data were analyzed by SPSS 18, using tables of frequency, mean, and standard deviation.

RESULTS

According to the results obtained, mean (SD) total performance score of nurses in providing respiratory care was 15.46 (2.16). The highest score was obtained in preventing contamination of respiratory equipment 5 (0), and the lowest score was in oral care 0.68 (0.73).

CONCLUSIONS

Considering that respiratory care is one of the main pillars of patient care in ICU and that nurses scored poorly in this area, it is imperative to pay greater attention to this area. It is essential to provide necessary training to nurses and adequate facilities for improving the quality of clinical care.

Risk factors for ventilator-associated pneumonia among patients undergoing major oncological surgery for head and neck cancer

Patients undergoing major oncological surgery for head and neck cancer (SHNC) have a particularly high risk of nosocomial infections. We aimed to identify risk factors for ventilator-associated pneumonia (VAP) in patients undergoing SHNC. The study included 465 patients who underwent SHNC between June 2011 and June 2014. The rate of VAP, risk factors for VAP, and biological aspects of VAP were retrospectively evaluated. The incidence of VAP was 19.6% (n = 95) in patients who required more than 48 h of mechanical ventilation. Staphylococcus (37.7%), Enterobacteriaceae (32.1%), Pseudomonas (20.8%), and Haemophilus (16.9%) were the major bacterial species that caused VAP. The independent risk factors for VAP were advanced age, current smoking status, chronic obstructive pulmonary disease, and a higher simplified acute physiology score system II upon admission. Tracheostomy was an independent protective factor for VAP. The median length of stay in the ICU for patients who did or did not develop VAP was 8.0 and 6.5 days, respectively (P = 0.006). Mortality among patients who did or did not develop VAP was 16.8% and 8.4%, respectively (P < 0.001). The potential economic impact of VAP was high because of the significantly extended duration of ventilation. A predictive regression model was developed with a sensitivity of 95.3% and a specificity of 69.4%. VAP is common in patients who are undergoing SHNC and who require more than 48 h of mechanical ventilation. Therefore, innovative preventive measures should be developed and applied in this high-risk population.

Viruses are prevalent in non-ventilated hospital-acquired pneumonia

BACKGROUND

Hospital-acquired pneumonia arising in non-ventilated patients (NVHAP) is traditionally thought to be caused by bacteria, and little is known about viral etiologies in this syndrome. We sought to describe the prevalence of viruses causing NVHAP and to determine factors independently associated with the isolation of a virus.

METHODS

We identified patients with NVHAP over one year and reviewed their cultures to determine etiologies. Patients with a viral process were compared to those with either negative cultures or a bacterial infection to determine variables independently associated with the recovery of a virus.

RESULTS

Among 174 cases, cultures were positive in 46.0%, with viruses identified in 22.4%. Bacterial pathogens arose 23.6% of subjects. The most common viruses included rhinovirus, influenza, and parainfluenza. We noted no seasonality in the isolation of viral organisms, and most cases of viral NVHAP developed after more than a week length of stay (LOS). Outcomes in viral NVHAP were similar to those with bacterial NVHAP. Patients with viral and bacterial NVHAP were generally similar. Two variables were independently associated with isolation of a virus: a history of coronary artery disease (adjusted odds ratio: 5.16, 95% CI: 1.14-22.44) and a LOS of greater than 10 days prior to NVHAP diagnosis (adjusted odds ratio: 2.97, 95% CI: 1.35-6.51). As a screening test for a virus, neither had a good sensitivity or specificity.

CONCLUSIONS

Viruses represent a common cause of NVHAP. Clinicians should consider viral diagnostic testing in NVHAP, as this may represent a means to enhance antimicrobial stewardship.

A systematic approach for developing a ventilator-associated pneumonia prevention bundle

BACKGROUND

Ventilator-associated pneumonia (VAP) is among the most common type of health care-associated infection in the intensive care unit and is associated with significant morbidity and mortality. Existing VAP prevention intervention bundles vary widely on the interventions included and in the approaches used to develop these bundles. The objective of this study was to develop a new VAP prevention bundle using a systematic approach that elicits clinician perceptions on which interventions are most important and feasible to implement.

METHODS

We identified potential interventions to include through a review of current guidelines and literature. We implemented a 2-step modified Delphi method to gain consensus on the final list of interventions. An interdisciplinary group of clinical experts participated in the Delphi process, which was guided by a technical expert panel.

RESULTS

We identified 65 possible interventions. Through the Delphi method, we narrowed that list to 19 interventions that included 5 process and 14 structural measures.

CONCLUSIONS

We described a structured approach for developing a new VAP prevention bundle. Obtaining clinician input on what interventions to include increases the likelihood that providers will adhere to the bundle.