30-day outcome after percutaneous coronary angioplasty in nonagenarians: feasibility and specific considerations in different clinical settings.
Bibliographic record
Abstract
BACKGROUND: Nonagenarians have been systematically excluded from randomized trials dealing with invasive coronary strategies, resulting in a lack of evidence-based guidelines regarding the optimal approach in this population. AIM: To describe the clinical and procedural characteristics and outcomes of patients 90 years of age or older who were treated with percutaneous coronary interventions (PCI). METHODS: We evaluated the 30-day outcomes of patients 90 years or older who underwent PCI at our institution, comparing the ST-segment elevation myocardial infarction (STEMI) subgroup with the non-STEMI/unstable angina (UA) and stable angina (SA) subgroups, who had been referred for coronary angiography. RESULTS: Over the time period 2002-2011, we identified 45 nonagenarians (mean age, 93 years; range, 90-102 years). The majority (59%) presented with an acute coronary syndrome and underwent immediate coronary revascularization by PCI. Technical success rate was 90%. The frequency of in-hospital death, need for urgent coronary artery bypass surgery, periprocedural cerebrovascular accident, and major adverse cardiovascular and cerebral events was 11%, 4.5%, 4.5%, and 18%, respectively. At 30 days, mortality was exclusively related to the STEMI subgroup with hemodynamic instability, compared with the non STEMI/UA and SA population. CONCLUSIONS: In carefully selected nonagenarians, PCI in contemporary practice may be performed with a high technical success rate with relatively low morbidity and mortality. Questions are raised about the feasibility and outcome of invasive coronary strategies in the high-risk clinical subgroup of STEMI and hemodynamic instability.
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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 | 0.001 |
| Meta-epidemiology (narrow) | 0.000 | 0.000 |
| Meta-epidemiology (broad) | 0.000 | 0.000 |
| 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) | 0.001 | 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 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".