Care Practices and Health-related Quality of Life for Individuals Receiving Assisted Ventilation. A Cross-National Study
Bibliographic record
Abstract
RATIONALE: Comparisons of home mechanical ventilation services have demonstrated considerable regional variation in patient populations managed with this therapy. The respiratory care practices used to support individuals receiving assisted ventilation also appear to vary, but they are not well described. It is uncertain whether differences in the approach to care could influence health outcomes for individuals receiving assisted ventilation. OBJECTIVES: We sought to identify and describe the respiratory care practices of home ventilation providers in two different regions and determine whether care practice differences influence health-related quality of life. METHODS: We conducted a cross-national survey of individuals receiving assisted ventilation managed by two statewide home mechanical ventilation providers, one in Victoria, Australia, and the other in British Columbia, Canada. The survey was used to evaluate care practices, functional and physical measures, socioeconomic attributes, and health-related quality of life. MEASUREMENTS AND MAIN RESULTS: Overall, 495 individuals receiving assisted ventilation (57.2%) responded to the survey. Responders had clinical attributes similar to those of nonresponders. The Canadian population had a greater proportion of individuals with neuromuscular disorders and lesser percentages with obesity hypoventilation syndrome and chronic obstructive pulmonary disease. We also found marked differences in the reported care practices in Canada that were not fully explained by population differences. Subjects in the Canadian sample were more likely than their Australian counterparts to use invasive mechanical ventilation (24.2% vs. 2.5%; P < 0.001), to use routine airway clearance techniques (28.9% vs. 14.8%; P < 0.001), and to have had home implementation of noninvasive ventilation (39.9% vs. 3.6%; P < 0.001). Subjects in the Australian population were more likely than those in Canada to have undergone polysomnography to evaluate their ventilatory support (93.9% vs. 37.4%; P < 0.001). There was no difference in summary measures of health-related quality of life between the two sites. In a multivariable regression model, age, ability to perform activities of daily living, physical function, employment, and household income were all independently associated with health-related quality of life, but neither geographic location (Canada vs. Australia) nor underlying diagnosis were significant factors in the model. CONCLUSIONS: In two cohorts of individuals receiving assisted ventilation, one in Australia and the other in Canada, we found marked differences in both the care practices employed and the populations served. Despite these regional differences, measures of health-related quality of life were not different. Further research is required to examine costly or burdensome interventions that are currently used routinely in the management of individuals receiving assisted ventilation.
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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 | 0.001 | 0.002 |
| Meta-epidemiology (narrow) | 0.000 | 0.000 |
| Meta-epidemiology (broad) | 0.000 | 0.000 |
| Bibliometrics | 0.001 | 0.001 |
| Science and technology studies | 0.001 | 0.000 |
| Scholarly communication | 0.001 | 0.001 |
| Open science | 0.000 | 0.001 |
| Research integrity | 0.000 | 0.001 |
| Insufficient payload (model declined to judge) | 0.001 | 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 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".