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Admission risk markers for upper gastrointestinal bleeding: Can urgent endoscopy be avoided?

2007· letter· en· W2030008511 on OpenAlexaboutno aff
Doug Taupin

Bibliographic record

VenueJournal of Gastroenterology and Hepatology · 2007
Typeletter
Languageen
FieldMedicine
TopicGastrointestinal Bleeding Diagnosis and Treatment
Canadian institutionsnot available
Fundersnot available
KeywordsMelenaMedicineEndoscopyVital signsUpper gastrointestinal bleedingGastrointestinal bleedingPopulationEmergency departmentTriageGI bleedingInternal medicineGeneral surgerySurgeryEmergency medicine

Abstract

fetched live from OpenAlex

inactivates several enzymes and hormones including insulin.12 Binding of modified insulin with its receptor may not properly activate the insulin cascade signaling.Finally, AGEs can impair insulin secretion, 7 and in this case, increased IR may represent a compensatory consequence.On the other hand, preferential impairment of non-oxidative glucose metabolism causes, in a vicious cycle, the intracellular formation of AGEs, oxidative stress, and activation of other pathogenic mediators 13 such as interleukins and TNF-a.TNF-a levels and AGEs correlate positively.Patients with NASH show higher levels of TNF-a than subjects with simple steatosis.14 Furthermore, AGEs are able to recruit macrophages and monocytes.15 Through the binding to RAGE on these cells as well as on hepatocytes, 16 they activate the nuclear transcription factor NF-kB, a key enzyme involved in inflammatory processes, activity of innate immune system, and IR.In conclusion, AGEs, as well as ROS, causing insulin resistance and inflammation, are commonly involved in the development of a number of metabolic diseases.Caloric restriction represents the first line for all these diseases.Excess nourishment and sedentary lifestyle result in production of ROS and AGEs; and vice versa, calorie restraint in animal models and humans reduces insulin resistance, low-grade inflammation, 17 and ameliorate liver function and histology in NASH patients, 18 likely through the significant reduction of reactive products.The question raised is whether the determination of AGEs and ROS can represent a diagnostic tool for evaluating whole-body wellness and monitoring therapy in low-grade inflammatory-and IR-related diseases, including, of course, NASH.Although great effort has been put into this area of research, much remains to be done, including the detection and characterization of the possible roles of these molecules in the progression of NAFLD to NASH and cirrhosis.

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)0.003
metaresearch head score (Gemma)0.026
Version: metacan-v3-hybrid-931329e0061cValidation status: machine_predicted_unvalidated
Candidate categoriesnone
Consensus categoriesnone
DomainCandidate signal: none · Consensus signal: none
Study designCandidate signal: Observational · Consensus signal: none
GenreCandidate signal: Empirical · Consensus signal: none
Teacher disagreement score0.011
Threshold uncertainty score0.036

Distilled classifier scores by category (both heads)

CategoryCodexGemma
Metaresearch0.0030.026
Meta-epidemiology (narrow)0.0010.000
Meta-epidemiology (broad)0.0030.001
Bibliometrics0.0020.001
Science and technology studies0.0010.001
Scholarly communication0.0030.004
Open science0.0020.001
Research integrity0.0050.008
Insufficient payload (model declined to judge)0.0110.003

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 head0.025
GPT teacher head0.286
Teacher spread0.261 · 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 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

Citations2
Published2007
Admission routes1
Has abstractyes

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