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Record W1976237261 · doi:10.14740/jh173w

Warfarin-Induced Pseudo-Allergy

2014· article· en· W1976237261 on OpenAlexvenueno aff
Nikhat B. Syed, Ralph Marktanner, Derar Gharaibeh

Bibliographic record

VenueJournal of Hematology · 2014
Typearticle
Languageen
FieldMedicine
TopicAtrial Fibrillation Management and Outcomes
Canadian institutionsnot available
Fundersnot available
KeywordsMedicineWarfarinAllergyAnaphylaxisImmunologyInternal medicineAtrial fibrillation

Abstract

fetched live from OpenAlex

Most common adverse reactions to warfarin are fatal and nonfatal hemorrhage from any tissue or organ. Despite bleeding complications being the most feared concern, non-bleeding events can also occur from warfarin therapy. These non-bleeding events, which account for less than 1%, include but are not limited to skin necrosis and dermatological hypersensitivity reactions. We describe a rare case of “warfarin allergy” in a 77-year-old female patient admitted for coronary bypass grafting and mitral/aortic valve replacement. The patient came with a history of valvular heart disease, embolism (occlusion of distal superficial femoral artery) and atrial fibrillation with documented “warfarin allergy” described as dermatitis and anaphylaxis witnessed during earlier hospital admission. Given double valve replacement and atrial fibrillation (CHA 2 DS 2 -VASc score of 9), she was deemed a candidate for lifelong warfarin. Significant renal impairment and recent valve replacement narrowed the choice of anticoagulant to warfarin. To rule out the possibility of dye allergy, patient was re-challenged with dye free warfarin with close monitoring. Patient was able to tolerate dye free (white) warfarin with no allergic manifestation. The purpose of this report is to increase awareness of possibility of allergic reaction to dye in medications and recommend possibility of dye free medications as an option in such cases. J Hematol. 2014;3(4):116-117 doi: http://dx.doi.org/10.14740/jh173w

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)0.003
Version: metacan-v3-hybrid-931329e0061cValidation status: machine_predicted_unvalidated
Candidate categoriesnone
Consensus categoriesnone
DomainCandidate signal: none · Consensus signal: none
Study designCandidate signal: Case report · Consensus signal: Case report
GenreCandidate signal: Empirical · Consensus signal: Empirical
Teacher disagreement score0.007
Threshold uncertainty score0.024

Distilled classifier scores by category (both heads)

CategoryCodexGemma
Metaresearch0.0000.003
Meta-epidemiology (narrow)0.0010.000
Meta-epidemiology (broad)0.0010.001
Bibliometrics0.0010.001
Science and technology studies0.0010.000
Scholarly communication0.0010.001
Open science0.0000.001
Research integrity0.0010.001
Insufficient payload (model declined to judge)0.0070.002

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 head0.058
GPT teacher head0.338
Teacher spread0.280 · 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.

The models applied no category: nothing in the taxonomy fit this work.
Study designCase report
Domainnot available
GenreEmpirical

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

Citations3
Published2014
Admission routes1
Has abstractyes

Explore more

Same venueJournal of HematologySame topicAtrial Fibrillation Management and OutcomesFrench-language works237,207