Same Day Discharge during the COVID-19 Pandemic in Highly Selected Transcatheter Aortic Valve Replacement Patients
Bibliographic record
Abstract
Background: Transcatheter aortic valve replacement (TAVR) with a standardized clinical pathway allows most patients to achieve safe next-day discharge. This approach has been successfully implemented across global centers as part of the Benchmark Program. Considering restricted hospital resources resulting from the COVID-19 pandemic, a modified same day discharge (SDD) clinical pathway was implemented for selected TAVR patients at a single Benchmark site. Methods: All patients accepted for TAVR were assessed for the SDD clinical pathway. Eligibility criteria included adequate social support and accessibility to the TAVR program post-discharge. Patients with preexisting conduction disease were excluded. The clinical pathway comprised of mobilization, bloodwork and electrocardiogram 4 hours post-TAVR and discharge ≥8 hours following groin hemostasis. Results: From June to December 2020, 142 patients underwent TAVR at a single community Benchmark site. Of those, 29 highly selected patients were successfully discharged the same day using the SDD clinical pathway. There were no vascular access complications, permanent pacemaker (PPM) implantation, or mortality in the SDD group during index admission or at 30-day follow-up. When compared to a standard therapy group, there was no statistically significant difference in 30-day cardiovascular readmission. Conclusions: AS: aortic stenosis; ACT: Activated clotting time; AV: atrioventricular; AVB: atrioventricular block; BBB: bundle branch block; CAIC: Canadian Society for Cardiovascular Angiography; CCL: cardiac catheterization laboratory; CT: Computed topography; CV: cardiovascular; IQR: Interquartile Range; IVCD: intraventricular conduction delay; LBBB: left bundle branch block; LOS: length of stay; NDD: next day discharge; PPM: permanent pacemaker; RBBB: right bundle branch block; SCAI: Society for Cardiovascular Angiography and Intervention; SD: standard deviation; SDD: same day discharge; ST: standard therapy; STS PROM: society of thoracic surgeons predicted risk of mortality; TAVR: transcatheter aortic valve replacement; TF: transfemoral; THV: transcatheter heart valve; TTE: transthoracic echocardiogram; VARC: Valve Academic Research Consortium.
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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 | 0.000 | 0.001 |
| Science and technology studies | 0.001 | 0.000 |
| Scholarly communication | 0.001 | 0.000 |
| 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".