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Macular Perfusional Findings in Venous Obstructive Disease and Its Treatment: An OCT-A Evaluation

2023· book-chapter· en· W4390340707 on OpenAlex
M. Naveed Yasin, Aftab Taiyab, Miguel A. Quiroz-Reyes

Why this work is in the frame

A frame that forgets how it found something cannot be audited. These are the routes that admitted this work.

affAt least one author lists a Canadian institution in the pinned OpenAlex snapshot.

Bibliographic record

VenueBENTHAM SCIENCE PUBLISHERS eBooks · 2023
Typebook-chapter
Languageen
FieldMedicine
TopicRetinal Diseases and Treatments
Canadian institutionsMcMaster University
Fundersnot available
KeywordsMedicineMacular edemaRetinal VeinBranch retinal vein occlusionRanibizumabOphthalmologyOcclusionBlood flowVisual acuityRetinaCentral retinal vein occlusionFovea centralisEdemaRetinalSurgeryInternal medicineBevacizumab

Abstract

fetched live from OpenAlex

The human retina is supplied by an extensive network of capillaries, where healthy blood flow to various parts of the retina, particularly the macula, is vital for visual functions. Any obstruction in blood flow, known as retinal vein occlusion (RVO), can reduce venous blood return. RVO can occur either at a central location (called central retinal vein occlusion [CRVO]) or a peripheral location (branch vein occlusion [BRVO]). Various techniques have been used to investigate blood flow to the retina and analyze different factors that may impact retinal blood flow. Optical coherence tomographic angiography (OCT-A) has emerged as one of the best methods, with several studies demonstrating its use to investigate changes in blood perfusion status, hemorrhage from blood vessels, and the presence of edema. Some studies have demonstrated that OCT-A is superior to other techniques.<br>Macular edema secondary to RVO is the most common complication that may affect visual acuity and lead to vision loss if left untreated. Several qualitative and quantitative changes caused by RVO can be detected using OCT-A, including vascular blood perfusion and vascular density. Several treatment options have been used to treat macular edema secondary to RVO and other complications. Laser photocoagulation therapy has been used extensively in the past with mixed outcomes. Glucocorticoids, especially dexamethasone (Ozurdex®), have also been used to treat macular edema secondary to RVO. Currently, anti-vascular endothelial growth factor (VEGF) agents are the gold standard for treating RVO. Ranibizumab and aflibercept are approved for the treatment of macular edema secondary to RVO, with faricimab expected to soon be approved.

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.

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 categoriesMeta-epidemiology (narrow)
Consensus categoriesnone
DomainCandidate signal: none · Consensus signal: none
Study designCandidate signal: Observational · Consensus signal: none
GenreCandidate signal: Empirical · Consensus signal: Empirical
Teacher disagreement score0.816
Threshold uncertainty score1.000

Codex and Gemma teacher scores by category

CategoryCodexGemma
Metaresearch0.0000.000
Meta-epidemiology (narrow)0.0000.000
Meta-epidemiology (broad)0.0000.000
Bibliometrics0.0010.000
Science and technology studies0.0000.000
Scholarly communication0.0000.001
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 head0.054
GPT teacher head0.313
Teacher spread0.259 · 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