Ventilator‐Associated Pneumonia Bundled Strategies: An Evidence‐Based Practice
Bibliographic record
Abstract
BACKGROUND: Ventilator-associated pneumonia (VAP) is an ongoing challenge for critical care nurses as they use current evidence-based strategies to decrease its incidence and prevalence. Mechanical intubation negates effective cough reflexes and impedes mucociliary clearance of secretions, causing leakage and microaspiration of virulent bacteria into the lungs. VAP is responsible for 90% of nosocomial infections and occurs within 48 hours of intubation. VAP is a major health care burden in terms of mortality, escalating health care costs, increased length of ventilator days and length of hospital stay. AIM: (1) To provide a review of the literature on VAP bundle (VAPB) practices. (2) To describe the etiology and risk factors and define bundled practices. (3) To discuss an explanatory framework that promotes knowledge translation of VAPBs into clinical settings. (4) To identify areas for further research and implications for practice to decrease the incidence of VAP. METHODS: Electronic searches in MEDLINE, EMBASE, CINAHL, PsycINFO, and Cochrane Collaboration were conducted using keywords specific to VAP. The inclusion criteria were: (1) Studies were original quantitative research published in an English peer-reviewed journal for the years 1997 to 2007. (2) Each study included an examination of bundled practices. (3) The clinical outcomes of critically ill adults with VAP were assessed. The studies were identified from the bibliographies of key references. Six studies were accepted based on the inclusion criteria. Each contributing author conducted the review and analysis of selected studies independently. The findings were compared and contrasted by all authors to establish consensus. RESULTS: Evidence shows that VAPB practices decrease VAP rates. Bundled practices result in decreased ventilator days, intensive care unit length of stay, and mortality rates. A strong association was seen, with an increased clinician compliance with VAPB protocols with decreased VAP rates. CONCLUSIONS AND IMPLICATIONS: Methodologically robust randomized controlled trials are required to examine the efficacy of VAPBs and determine causality between VAPBs and clinical outcomes. Organizational commitment is needed to adopt a conceptual framework that promotes effective knowledge translation, incorporating factors of evidence, context, and facilitation of VAPBs into clinical settings. Instituting nurse-led intervention champion leaders to facilitate reliable and consistent implementation of VAPBs into practice is warranted.
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How this classification was reachedexpand
Full frame machine prediction
Teacher imitationNot calibrated prevalence, not ground truth. Human validation pending. The Gemma side is a direct model label for every work in the frame, read from the title-only record. The Codex side is a classifier learned from the 10,348 direct Codex labels and calibrated to design-weighted sample rates; fields without enough sample support carry no Codex call. Candidate is the union of the two sides; consensus is their intersection. These outputs are machine_predicted_unvalidated and are not human labels.
Distilled classifier scores by category (both heads)
| Category | Codex | Gemma |
|---|---|---|
| Metaresearch | 0.039 | 0.119 |
| Meta-epidemiology (narrow) | 0.001 | 0.002 |
| Meta-epidemiology (broad) | 0.005 | 0.004 |
| Bibliometrics | 0.011 | 0.012 |
| Science and technology studies | 0.001 | 0.001 |
| Scholarly communication | 0.006 | 0.008 |
| Open science | 0.005 | 0.003 |
| Research integrity | 0.005 | 0.004 |
| Insufficient payload (model declined to judge) | 0.003 | 0.001 |
Machine scores (provisional)
The two teacher heads of the student model, read on this work. A score orders the frame for review; it never asserts a category, and the validation status ships verbatim with every row.
Baseline scores from an immature model (maturity gate not passed, 7 training rounds). Scores rank; they never assert a category.
score_only:v0-immature-baseline · verbatim from the scoring run: score_only means the number may rank works, and no category label ships from itClassification
machine, unvalidatedMachine predicted; a candidate call from one source (direct Gemma or distilled Codex), not a consensus.
How this classification was reached, model by model and score by score, is at the end of the page under "How this classification was reached".