Outcomes of extracorporeal membrane oxygenation support in the cardiac catheterization laboratory
Bibliographic record
Abstract
OBJECTIVES: The aims of this single-center retrospective study were to characterize and determine predictors of 30-day survival in a cohort of patients requiring venoarterial extracorporeal membrane oxygenation (VA-ECMO) supported cardiopulmonary resuscitation (E-CPR) in the cardiac catheterization laboratory (CCL) for cardiac arrest (CA) or refractory cardiogenic shock (CS). BACKGROUND: While safety in the CCL has improved, periprocedural mortality from CA remains high. The application of VA-ECMO is an emerging form of resuscitation with a paucity of data evaluating its use in the CCL for CA or CS. METHODS: All consecutive patients aged 18 years or older presenting to a single CCL from October 2010 to May 2018 who required E-CPR for CA or refractory CS were included. The primary outcome of our study was overall survival 30 days from VA-ECMO initiation. Secondary outcomes included 1-year survival, hospital length of stay, and ECMO related complications. RESULTS: Sixty-two patients with a mean age of 60 ± 9 years, 63% male, were included. VA-ECMO was initiated for CA in 39 patients (63%) and for CS in 23 patients (37%). The median ECMO duration was 48 hr. Overall 30-day survival was 47% (CA group 44% vs. CS group 52%; p = .414). One-year survival was 44%. Initial serum creatinine (OR 1.18 per 10 μmol/L increase; p = .016; AUC = 0.65) was the only multivariate predictor of 30-day mortality. CONCLUSIONS: The use of VA-ECMO in the CCL is feasible, demonstrating 47% 30-day survival, largely persistent to 1 year, in a cohort that otherwise has extremely high mortality.
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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 | 0.001 | 0.000 |
| Meta-epidemiology (narrow) | 0.000 | 0.000 |
| Meta-epidemiology (broad) | 0.000 | 0.001 |
| Bibliometrics | 0.000 | 0.000 |
| Science and technology studies | 0.000 | 0.000 |
| 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".