Reversal of Overanticoagulation with Vitamin K1: A Plea for Oral Administration
Bibliographic record
Abstract
ABSTRACT Objective: To evaluate the safety and efficacy of oral vitamin K1 in reversing excessive anticoagulation and to identify barriers preventing generalized use of this compound. Data Sources: Literature identified through searches of MEDLINE, EMBASE, and IPA (International Pharmaceutical Abstracts) databases. Data Synthesis: To reverse overanticoagulation when the international normalized ratio remains below 20, the American College of Chest Physicians recommends oral administration of vitamin K1 over the subcutaneous and intravenous routes of administration. However, this recommendation is not widely followed, and the subcutaneous route still predominates. Studies of oral vitamin K1 were reviewed to reinforce the efficacy and safety of this medication. Conclusions: Oral vitamin K1 is effective and safe for correcting excessive anticoagulation. However, in Canada, oral tablets can only be obtained through Health Canada’s Special Access Programme, which limits their use. Alternatives to tablets are presented. RESUME Objectif : Evaluer l’innocuite et l’efficacite de la vitamine K1 administree par voie orale pour renverser une anticoagulation excessive et determiner les obstacles qui empechent l’utilisation generalisee de cet agent. Sources de donnees : Documentation issue de recherches dans les bases de donnees MEDLINE, EMBASE et IPA (International Pharmaceutical Abstracts). Synthese des donnees : Pour renverser une anticoagulation excessive en presence d’un rapport international normalise (RIN) inferieur a 20, l’American College of Chest Physicians recommande l’administration de vitamine K1 par voie orale plutot que par voie sous-cutanee ou intraveineuse. Cependant, cette recommandation n’est pas largement adoptee et l’utilisation de la voie sous-cutanee predomine toujours. Des etudes sur l’administration de la vitamine K1 par voie orale ont ete analysees dans le but de confirmer l’efficacite et l’innocuite de ce medicament. Conclusions : La vitamine K1 administree par voie orale permet de corriger de facon sure et efficace une anticoagulation excessive. Cependant, au Canada, les comprimes destines a la voie orale ne peuvent etre obtenus que par le Programme d’acces special de Sante Canada, ce qui en limite l’utilisation. Des solutions de rechange aux comprimes sont presentees.
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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 | 0.018 | 0.049 |
| Meta-epidemiology (narrow) | 0.000 | 0.000 |
| Meta-epidemiology (broad) | 0.002 | 0.002 |
| Bibliometrics | 0.002 | 0.002 |
| Science and technology studies | 0.000 | 0.001 |
| Scholarly communication | 0.004 | 0.003 |
| Open science | 0.001 | 0.001 |
| Research integrity | 0.002 | 0.002 |
| Insufficient payload (model declined to judge) | 0.007 | 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".