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Record W7095220570

Dabigatran

2016· article· en· W7095220570 on OpenAlexaboutno aff

Bibliographic record

Venuenot available
Typearticle
Languageen
FieldMedicine
TopicAtrial Fibrillation Management and Outcomes
Canadian institutionsnot available
Fundersnot available
KeywordsDabigatranAnticoagulantPartial thromboplastin timeAtrial fibrillationWarfarinThrombin timeProthrombin timeDirect thrombin inhibitor
DOInot available

Abstract

fetched live from OpenAlex

etexilate is an oral directthrombin inhibitor approved for the prevention of thromboembolism in atrial fibrillation (in the US and Canada) and after orthopedic surgery (in Europe and Canada). Dabigatran has a predictable pharmacokinetic profile, allowing for a fixed-dose regimen without the need for routine coagulation monitoring.1 The half-life of dabigatran in healthy subjects is 12-17 hours. Maximum concentration (Cmax) occurs 1 hour post-administration in the fasted state, with a delay of ap-proximately 2 hours after a high-fat meal. In certain clinical situations, such as critical organ bleeding (eg, intracerebral), emergency surgery, or when switching treatment from warfarin to dabigatran or vice versa, clinicians need to determine the anticoagulant status of patients re-ceiving dabigatran. The best tests to quantitatively evaluate the anticoagulant effects of dabigatran are the thrombin and ecarin clotting times, which are not readily available in clinical practice.2,3 The activated partial thromboplastin time (aPTT) provides a readily available qualitative assessment of the anticoagu-lant status of patients receiving dabiga-tran.1 The maximum approved dabiga-tran dose, 150 mg twice a day, elevates the median peak aPTT to approximately twice that of control, with trough levels of 1.5 times con-trol (12 hours postdose).2 A normal aPTT level suggests that the anticoagulant effect is absent.1 The international normalized ratio (INR) and prothrom-bin time (PT), the other readily available coagulation as-says, do not accurately reflect the anticoagulant status of dabigatran-treated patients.1 At peak therapeutic concentra-tions of dabigatran (Cmax 184 ng/mL; [64-443]), the INR is only modestly elevated, in the range of 1.1 to 1.7.2 Supratherapeutic concentrations of dabigatran (400-600

Fetched live from OpenAlex and de-inverted. Abstracts are not stored in this database: the inverted indexes are 8.6 GB of the frame’s 9.3 GB of text, and the host has 13 GB free.

How this classification was reachedexpand

Full frame machine prediction

Teacher imitation

Not 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.

metaresearch head score (Codex)0.000
metaresearch head score (Gemma)0.002
Version: metacan-v3-hybrid-931329e0061cValidation status: machine_predicted_unvalidated
Candidate categoriesInsufficient payload (model declined to judge)
Consensus categoriesnone
DomainCandidate signal: none · Consensus signal: none
Study designCandidate signal: Not applicable · Consensus signal: none
GenreCandidate signal: Other · Consensus signal: Other
Teacher disagreement score0.853
Threshold uncertainty score0.000

Distilled classifier scores by category (both heads)

CategoryCodexGemma
Metaresearch0.0000.002
Meta-epidemiology (narrow)0.0010.000
Meta-epidemiology (broad)0.0010.001
Bibliometrics0.0010.001
Science and technology studies0.0000.000
Scholarly communication0.0020.001
Open science0.0010.001
Research integrity0.0010.001
Insufficient payload (model declined to judge)0.1470.149

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.

Opus teacher head0.084
GPT teacher head0.347
Teacher spread0.263 · how far apart the two teachers sit on this one work
Validation statusscore_only:v0-immature-baseline · verbatim from the scoring run: score_only means the number may rank works, and no category label ships from it

Classification

machine, unvalidated

Machine predicted; a candidate call from one source (direct Gemma or distilled Codex), not a consensus.

Study designNot applicable
Domainnot available
GenreOther

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".

Quick stats

Citations0
Published2016
Admission routes1
Has abstractyes

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