Endoscopic Management of Gastric Variceal Bleeding with Cyanoacrylate Glue Injection: Safety and Efficacy in a Canadian Population
Bibliographic record
Abstract
BACKGROUND: Gastric variceal bleeding (GVB) is a major cause of morbidity and mortality among patients with portal hypertension. Endoscopic band ligation and standard sclerotherapy have been used but have significant limitations. Decompression through transjugular intrahepatic portosystemic shunt insertion has been shown to be effective. Gastric variceal injection therapy with a commercially available cyanoacrylate glue is less invasive than transjugular intrahepatic portosystemic shunt insertion and has recently been shown to be effective for acute hemostasis. OBJECTIVE: To assess the immediate and long-term outcomes of cyanoacrylate glue injection therapy for GVB. METHODS: A retrospective chart review was conducted to identify patients treated with cyanoacrylate injection for GVB at two tertiary care hospitals over a period of six years. The outcomes assessed included complications, acute hemostasis, rebleeding rate and all-cause mortality. RESULTS: Thirty-seven patients (60% men) underwent cyanoacrylate glue injections for GVB. The median follow-up period was 14 months and included 29 patients (eight were lost to follow-up). Initial hemostasis was achieved in 35 patients (95%). No significant complications from cyanoacrylate injection were observed. Early rebleeding was rare (8%) and late rebleeding occurred in only 28% of patients. The all-cause mortality rate was 28.6% during the median follow-up period. CONCLUSION: The data suggest that cyanoacrylate injection therapy is safe and effective for the prevention of short- and long-term bleeding from gastric varices. Furthermore, although these patients had significant comorbid disease, survival in the follow-up time period was greater than 70%.
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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 | 0.002 |
| Meta-epidemiology (narrow) | 0.000 | 0.000 |
| Meta-epidemiology (broad) | 0.000 | 0.000 |
| Bibliometrics | 0.001 | 0.001 |
| Science and technology studies | 0.001 | 0.001 |
| Scholarly communication | 0.001 | 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".