Fistula between right coronary artery vein graft and right atrium as an immediate complication of percutaneous coronary intervention
Bibliographic record
Abstract
Fistula between saphenous vein graft (SVG) and a cardiac chamber or structure is a rare complication after coronary artery bypass grafting (CABG). We report the first case of a fistula between SVG and the right atrium (RA) as an immediate complication after a percutaneous coronary intervention (PCI) in an 86-year-old female. She presented with inferior ST-elevation myocardial infarction (STEMI) and was treated with thrombolytic therapy in a peripheral hospital, which was unsuccessful. PCI to SVG to the right coronary (RCA) was complicated by a fistula to RA. Cardiac magnetic resonance (CMR) confirmed the site of the fistula and also presence of a significant arteriovenous (AV) shunt. Reversal of anticoagulation had no effect on fistula closure. Therefore, a covered stent was deployed for closure of the fistula to avoid long-term complications of the significant AV shunt. In summary, the diagnosis and appropriate management of this rare complication is challenging, but excellent result can be achieved by the use of appropriate percutaneous techniques.
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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) | 0.001 | 0.001 |
| Meta-epidemiology (broad) | 0.002 | 0.003 |
| 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".