Treatment of portal hypertension caused by benign main portal vein stenosis with endovascular stent(
Bibliographic record
Abstract
Objective To evaluate the value of endovascular stent in the treatment of portal hypertension caused by benign main portal vein stenosis.Methods Portal vein stents were implanted in (6 patients) with benign main portal vein stenosis (inflammatory stenosis in 3 cases,postprocedure of liver transplantation in another 3 cases).The change of portal vein pressure,the patency of portal vein,relative clinical symptoms,complications,and survival were evaluated.Results Six metallic stents were successfully placed across the portal vein stenotic or obstructive lesions in all 6 patients.Mean portal venous pressure decreased significantly after stent implantation from (37.3±4.7) cm H_2O (1 cm H_2O=0.098 kPa)to (18.0±1.9) cm H_2O (P0.001).The portal blood flow was restored,and the symptoms caused by portal hypertension were eliminated.There was no severe procedure-related complication.Follow-up time was from (5 to) 36 months.The portal vein remained patent during the follow-up.All patients survived except one patient who died of other complications of liver transplantation.Conclusion Percutaneous portal vein stent placement for the treatment of the benign main portal vein stenosis is safe and effective.
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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 | 0.000 | 0.001 |
| Meta-epidemiology (narrow) | 0.000 | 0.000 |
| Meta-epidemiology (broad) | 0.000 | 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) | 0.001 | 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 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".