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Record W6927494803 · doi:10.32385/rpmgf.v32i3.11791

Pentoxifylline for the treatment of venous leg ulcers: an evidence-based review

2016· article· en· W6927494803 on OpenAlexaboutno aff

Bibliographic record

VenueDOAJ (DOAJ: Directory of Open Access Journals) · 2016
Typearticle
Languageen
FieldMedicine
TopicDiagnosis and Treatment of Venous Diseases
Canadian institutionsnot available
Fundersnot available
KeywordsPentoxifyllineTolerabilityRandomized controlled trialAdverse effectMEDLINECochrane LibraryClinical trial

Abstract

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Objetivo: Rever a evidência disponível acerca da eficácia e da segurança da pentoxifilina no tratamento da úlcera venosa crónica dos membros inferiores, em idade adulta. Fontes de dados: MEDLINE e bases de dados de medicina baseada na evidência (National Guideline Clearinghouse, Canadian Medical Association Practice Guidelines InfoBase, Guidelines Finder da National Electronic Library for Health do NHS britânico, Database of Abstracts of Reviews of Effectiveness – Centre for Reviews and Dissemination, Bandolier e The Cochrane Library). Métodos de revisão: Foi realizada uma pesquisa de artigos (normas de orientação clínica, meta-análises, revisões sistemáticas e estudos originais), publicados entre janeiro de 2003 e julho de 2015 nas línguas portuguesa, espanhola e inglesa, utilizando os termos MeSH pentoxifylline e venous ulcers. O nível de evidência e a força de recomendação, quando ausentes, foram atribuídos de acordo com os critérios da escala Strength of Recommendation Taxonomy (SORT), da American Family Physician. Resultados: Foram identificados 51 artigos, seis dos quais de acordo com os critérios de inclusão: duas normas de orientação clínica, uma meta-análise, uma revisão sistemática e dois ensaios clínicos aleatorizados (ECA). A administração de pentoxifilina por via oral na dose de 400mg, três vezes por dia, como adjuvante da terapia compressiva aumenta a probabilidade de cicatrização da úlcera venosa crónica dos membros inferiores, sendo que o benefício se mantém inclusive na ausência de terapia compressiva. O tratamento adjuvante com pentoxifilina oral apresenta elevada probabilidade de ser custo-efetivo. O uso de pentoxifilina associou-se a uma maior incidência de efeitos laterais gastrointestinais. Conclusões: Os resultados obtidos apresentam evidência robusta acerca da eficácia e custo-efetividade do uso da pentoxifilina no tratamento da úlcera venosa crónica dos membros inferiores na população adulta, como adjuvante da terapia compressiva ou isoladamente (Strength of Recommendation A – SOR A). Tendo em conta a importância dos efeitos laterais gastrointestinais, a investigação futura deverá incidir na determinação da posologia ótima que facilite a adesão terapêutica sem comprometer a eficácia e a segurança do fármaco.

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)0.005
metaresearch head score (Gemma)0.018
Version: metacan-v3-hybrid-931329e0061cValidation status: machine_predicted_unvalidated
Candidate categoriesnone
Consensus categoriesnone
DomainCandidate signal: none · Consensus signal: none
Study designCandidate signal: Systematic review · Consensus signal: Systematic review
GenreCandidate signal: Review · Consensus signal: Review
Teacher disagreement score0.007
Threshold uncertainty score0.024

Distilled classifier scores by category (both heads)

CategoryCodexGemma
Metaresearch0.0050.018
Meta-epidemiology (narrow)0.0010.001
Meta-epidemiology (broad)0.0060.005
Bibliometrics0.0070.006
Science and technology studies0.0010.001
Scholarly communication0.0030.003
Open science0.0020.001
Research integrity0.0030.002
Insufficient payload (model declined to judge)0.0060.001

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 head0.493
GPT teacher head0.609
Teacher spread0.116 · 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 designSystematic review
Domainnot available
GenreReview

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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