Dissemination of the Canadian clinical practice guidelines for nutrition support: Results of a cluster randomized controlled trial
Bibliographic record
Abstract
OBJECTIVE: To compare the effectiveness of active to passive dissemination of the Canadian clinical practice guidelines (CPGs) for nutrition support for the mechanically ventilated critically ill adult patient. DESIGN: A cluster-randomized trial with a cross-sectional outcome assessment at baseline and 12 months later. SETTING: Intensive care units in Canada. PATIENTS: Consecutive samples of mechanically ventilated patients at each time period. INTERVENTIONS: In the active group, we provided multifaceted educational interventions including Web-based tools to dietitians. In the passive group, we mailed the CPGs to dietitians. MEASUREMENTS AND MAIN RESULTS: The primary end point of this study was nutritional adequacy of enteral nutrition; secondary end points measured were compliance with the CPGs, glycemic control, duration of stay in intensive care unit and hospital, and 28-day mortality. Fifty-eight sites were randomized. At baseline and follow-up, 623 and 612 patients were evaluated. Both groups were well matched in site and patient characteristics. Changes in enteral nutrition adequacy between the active and passive arms were similar (8.0% vs. 6.2 %, p = .54). Median time spent in the target glucose range increased 10.1% in the active compared with 1.8% in the passive group (p = .001). In the subgroup of medical patients, enteral nutrition adequacy improved more in the active arm compared with the passive group (by 8.1%, p = .04), whereas no such differences were observed in surgical patients. When groups were combined, during the year of dissemination activities, there was an increase in enteral nutrition adequacy (from 43% to 50%, p < .001), an increase in the use of feeding protocols (from 64% to 76%, p = .03), and a decrease in patients on parenteral nutrition (from 26% to 21%, p = .04). There were no differences in clinical outcomes between groups or across time periods. CONCLUSIONS: Although active dissemination of the CPGs did improve glycemic control, it did not change other nutrition practices or patient outcomes except in a subgroup of medical patients. Overall, dissemination of the CPGs improved other important nutrition support practices but was not associated with improvements in clinical outcomes.
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How this classification was reachedexpand
Full frame distilled prediction
Teacher imitationNot calibrated prevalence, not ground truth. Human validation pending. Learned from the 10,348 direct Codex labels and 10,348 direct Gemma labels. Candidate is the union of thresholded teacher heads; consensus is their intersection. These outputs are machine_predicted_unvalidated and are not human labels or direct frontier model labels.
Codex and Gemma teacher scores by category
| Category | Codex | Gemma |
|---|---|---|
| Metaresearch | 0.005 | 0.337 |
| Meta-epidemiology (narrow) | 0.000 | 0.000 |
| Meta-epidemiology (broad) | 0.001 | 0.001 |
| Bibliometrics | 0.000 | 0.000 |
| Science and technology studies | 0.000 | 0.001 |
| Scholarly communication | 0.000 | 0.000 |
| Open science | 0.000 | 0.000 |
| Research integrity | 0.000 | 0.000 |
| Insufficient payload (model declined to judge) | 0.000 | 0.000 |
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 teacher head, 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".