Provisional T‐stenting and kissing balloon in the treatment of coronary bifurcation lesions: Results of the French multicenter “TULIPE” study
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Bibliographic record
Abstract
BACKGROUND: In previous prospective studies, a strategy of (a) stenting of the main branch, (b) provisional T-stenting of the side branch, and (c) final kissing balloon inflation, was associated with high success and low target lesion revascularization (TLR) rates on the long-term. OBJECTIVES: To examine the performance of this strategy in a multicenter study. METHODS: Consecutive patients were treated at 14 French medical centers for de novo coronary bifurcation lesions with the same technique used. Immediate results and clinically-driven TLR at 7 months were examined. RESULTS: The mean reference diameters of the main and side branches were 3.2 +/- 0.6 mm and 2.4 +/- 0.5 mm, respectively. The side branch was stented in 34% of patients. A <30% residual stenosis in the main branch was achieved in 99%, <50% in the side branch in 90%, and both in 89% of procedures. The in-hospital major adverse cardiovascular event were a Q-wave and 5 non-Qwaves MI (0.54% and 2.7%). At 7 months of follow-up, 3 patients (1.76%) had died, 1 suffered a non-Q-wave MI (0.59%), and 28 (15.88%) underwent TLR. By multivariate analysis, a lower left ventricular ejection fraction (OR: 0.934), moderate calcifications (OR: 7.86), and non-use of the "jailed" wire technique (OR: 4.26) were associated with reinterventions during follow-up. CONCLUSIONS: A strategy of provisional T-stenting with a tubular stent and final kissing balloon angioplasty for the treatment of coronary bifurcation lesions was safe and associated with a low TLR rate at 7 months. This strategy should be applicable to the new era of drug eluting stents.
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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 | 0.000 | 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 it