Hepatic Artery Microvascular Anastomosis in Pediatric Living Donor Liver Transplantation: A Review of 35 Consecutive Cases by a Single Microvascular Surgeon
Why this work is in the frame
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Bibliographic record
Abstract
Early experience with living donor liver transplantation (LDLT) was often complicated by hepatic artery thrombosis (HAT), a devastating complication resulting in graft loss. Attempting to reduce the incidence of HAT, we undertook a retrospective review of all children at our institution undergoing LDLT between March 2000 and August 2007, with the hepatic artery anastomosis performed by a single microvascular surgeon. Transplant surgeons performed the remainder of the operation. Patient outcomes were evaluated, including 1-year arterial and biliary complications, as well as overall survival. End-to-end hepatic arterial anastomoses were performed in 35 patients (median age: 15 months). Median posttransplant follow-up was 39 months (range: 0 to 90 months). One patient with a diffuse coagulopathy was retransplanted for HAT; this patient also demonstrated portal and hepatic vein thromboses. Biliary complications occurred in seven patients: three leaks, one cholangitis, one nonspecific dilatation, and two strictures. The median posttransplant follow-up was 39 months (range: 0 to 90 months). One- and 5-year patient survival was 94% and 94%, respectively. Very low rates of HAT can be achieved with LDLT using microsurgical techniques for hepatic arterial anastomoses. Outstanding long-term liver graft function can be achieved after LDLT when plastic surgeons and transplant surgeons collaborate together to reduce technical complications.
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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 | 0.002 | 0.000 |
| Meta-epidemiology (narrow) | 0.001 | 0.001 |
| Meta-epidemiology (broad) | 0.005 | 0.003 |
| Bibliometrics | 0.002 | 0.001 |
| Science and technology studies | 0.000 | 0.000 |
| Scholarly communication | 0.000 | 0.000 |
| Open science | 0.000 | 0.000 |
| Research integrity | 0.000 | 0.001 |
| 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