Abstract 13114: Effectiveness of a Novel Decision Aid for Surrogate Decision Makers of Comatose Survivors of Cardiac Arrest: A Pilot Study of the “Tool to EMPOwer Surrogate Decision Makers” (TEMPO)
Bibliographic record
Abstract
Introduction: Surrogate decision makers (SDMs) represent critical stakeholders in decision making for comatose survivors of cardiac arrest, yet these individuals are often unprepared for decision making and unfamiliar with the complexity of post-cardiac arrest care. To that end, we created a decision aid for SDMs intended to inform and support evidence-based decision making for comatose survivors of cardiac arrest. Methods: We conducted a pilot trial to measure real world effectiveness of the Tool to EMPOwer (TEMPO) Surrogate Decision Makers, by measuring knowledge and acceptability. Individuals were enrolled who self-identified as the SDM for a comatose survivor of OHCA admitted to an academic tertiary care hospital. Participants completed a pre-intervention survey prior to the provision of TEMPO, and a post-intervention survey approximately 24 hours after exposure to the intervention. Pre-survey questions included SDM demographics and an 8-question knowledge survey. Post-intervention surveys included the same knowledge questions, the Ottawa Acceptability of Decision Aid tool, and questions to measure if SDMs shared TEMPO with others. This study was approved by the Colorado Multiple Institutional Review Board and registered at Clinicaltrials.gov (NCT03908346). Results: Twenty SDMs were enrolled between 9/1/2020 and 6/7/2021. One subject did not complete the post-intervention survey therefore 19 subject responses were analyzed for the purpose of this report. Participants were 85.0% Female, 47.4 +/- 14.8 years, and 45.0% were the spouse of the patient. In the 8-question knowledge survey, results improved from 57.2% correct to 90.8% correct after exposure to TEMPO (p<0.001). Using the Ottawa Acceptability Tool, 89.5% of participants stated TEMPO was useful in decision-making and 94.7% reported that TEMPO made their decision “easier”. Most (79.0%) participants reported they shared the DA with another family/friend in-person, while some (52.6%) reported they shared content with another person by telephone. Conclusion: Initial pilot data on the efficacy of the Tool to EMPOwer Surrogate Decision Makers of comatose survivors of cardiac arrest shows significant promise in improving knowledge and supporting decision-making.
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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 | 0.013 | 0.036 |
| Meta-epidemiology (narrow) | 0.000 | 0.000 |
| Meta-epidemiology (broad) | 0.001 | 0.001 |
| Bibliometrics | 0.000 | 0.000 |
| Science and technology studies | 0.001 | 0.001 |
| Scholarly communication | 0.001 | 0.001 |
| Open science | 0.001 | 0.001 |
| Research integrity | 0.001 | 0.001 |
| Insufficient payload (model declined to judge) | 0.007 | 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".