Management of a Heart Myxoma Through a Right Thoracotomy in a Patient With a Previous Sternotomy
Bibliographic record
Abstract
Myxoma is the most common benign cardiac tumor, presenting most frequently in the left atrium. Median sternotomy has been traditionally used to provide access to the heart and the mediastinal structures in cardiac operations. Recently, right thoracotomy and minithoracotomy have been used as an alternative. We present a case of a patient with left atrial myxoma, who had been subjected to coronary artery bypass graft 2 years ago. The previous full median sternotomy urged the need for another approach. A right lateral thoracotomy with one lung ventilation was chosen, offering excellent access to the heart and mediastinum. The patient was set under cardiopulmonary bypass and cardioplegia and the mass was excised through a left atrial incision. The perioperative course was free of complications. We suggest that right thoracotomy is a safe and efficient way of treating cardiac tumors in selected patients, when median sternotomy is considered complicated, not possible or contraindicated. J Med Cases. 2016;7(2):52-53 doi: http://dx.doi.org/10.14740/jmc2405w
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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 | 0.000 | 0.000 |
| Meta-epidemiology (narrow) | 0.000 | 0.000 |
| Meta-epidemiology (broad) | 0.001 | 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) | 0.000 | 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".