Idiopathic Neonatal Ischemia in the Upper Limb: The Role of the Microsurgeon
Bibliographic record
Abstract
Idiopathic neonatal limb ischemia remains a rare occurrence. It is a devastating process that leads to complete or partial loss of affected limb or severe deformity. The main treatments over the years have been conservative and nonsurgical, such thrombolysis. Surgical treatment has traditionally been delayed until a line of demarcation is clear, at which time amputation of the limb proceeds. We present a case of idiopathic upper limb ischemia in a newborn, where it was clear that nonsurgical management would result in limb necrosis. A thrombus extended from the brachial bifurcation into both ulnar and radial arteries to the wrist. The plastic surgery team performed surgical decompression and microsurgical open thrombectomy to successfully reestablish the circulation to the affected hand. Eight months later, the child remains well. This is the first reported case in the literature where an idiopathic thrombus blocking the brachial, radial, and ulnar arteries is successfully treated microsurgically.
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How this classification was reachedexpand
Full frame machine prediction
Teacher imitationNot calibrated prevalence, not ground truth. Human validation pending. The Gemma side is a direct model label for every work in the frame, read from the title-only record. The Codex side is a classifier learned from the 10,348 direct Codex labels and calibrated to design-weighted sample rates; fields without enough sample support carry no Codex call. Candidate is the union of the two sides; consensus is their intersection. These outputs are machine_predicted_unvalidated and are not human labels.
Distilled classifier scores by category (both heads)
| Category | Codex | Gemma |
|---|---|---|
| Metaresearch | 0.001 | 0.003 |
| Meta-epidemiology (narrow) | 0.001 | 0.000 |
| Meta-epidemiology (broad) | 0.001 | 0.000 |
| Bibliometrics | 0.001 | 0.000 |
| Science and technology studies | 0.001 | 0.001 |
| Scholarly communication | 0.001 | 0.001 |
| Open science | 0.001 | 0.001 |
| Research integrity | 0.002 | 0.001 |
| Insufficient payload (model declined to judge) | 0.003 | 0.001 |
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 source (direct Gemma or distilled Codex), 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".