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Record W4410768604 · doi:10.1016/j.cjcpc.2025.05.002

Unique Left Ventricular Outflow Tract Tunnel Lesion With a Subaortic Membranous Pouch: A Case Report

2025· article· en· W4410768604 on OpenAlexaff
Nicolas Mourad, Wisam Abozaid, Rebecca Liu, Kathryn Armstrong, Ahamad Muhieldin

Bibliographic record

VenueCJC Pediatric and Congenital Heart Disease · 2025
Typearticle
Languageen
FieldMedicine
TopicCardiac Structural Anomalies and Repair
Canadian institutionsBC Children's HospitalUniversity of British Columbia
Fundersnot available
KeywordsVentricular outflow tractPouchCardiologyInternal medicineLesionMedicineOutflowAnatomySurgeryGeology

Abstract

fetched live from OpenAlex

Left ventricular outflow tract obstruction (LVOTO) in children occurs at valvular, subvalvular, or supravalvular levels, with valvular lesions being the most common1. Subvalvular LVOTO lesions include thin fibrous membranes, fibromuscular ridges, and tunnel-like narrowing, occurring alone or combined, often requiring complex surgery2. LVOTO obstructs forward blood flow, causing exertional intolerance, chest pain, and arrhythmias, and may coexist with congenital lesions like ventricular septal defects3,4.

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 distilled prediction

Teacher imitation

Not calibrated prevalence, not ground truth. Human validation pending. Learned from the 10,348 direct Codex labels and 10,348 direct Gemma labels. Candidate is the union of thresholded teacher heads; consensus is their intersection. These outputs are machine_predicted_unvalidated and are not human labels or direct frontier model labels.

metaresearch head score (Codex)0.000
metaresearch head score (Gemma)0.000
Version: codex-gemma-dda1882f352aValidation status: machine_predicted_unvalidated
Candidate categoriesnone
Consensus categoriesnone
DomainCandidate signal: none · Consensus signal: none
Study designCandidate signal: Observational · Consensus signal: Observational
GenreCandidate signal: Empirical · Consensus signal: Empirical
Teacher disagreement score0.189
Threshold uncertainty score0.728

Codex and Gemma teacher scores by category

CategoryCodexGemma
Metaresearch0.0000.000
Meta-epidemiology (narrow)0.0000.000
Meta-epidemiology (broad)0.0000.000
Bibliometrics0.0000.000
Science and technology studies0.0000.000
Scholarly communication0.0000.000
Open science0.0000.000
Research integrity0.0000.000
Insufficient payload (model declined to judge)0.0000.000

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.

Opus teacher head0.008
GPT teacher head0.248
Teacher spread0.240 · 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 teacher head, not a consensus.

The models applied no category: nothing in the taxonomy fit this work.
Study designObservational
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

Citations0
Published2025
Admission routes1
Has abstractyes

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