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Biomarcadores no edema macular diabético

Authors: Miranda, Guilherme de Carvalho Sanches de;

Biomarcadores no edema macular diabético

Abstract

A terapêutica com agentes anti-fator de crescimento vascular endotelial (anti-VEGF) é considerada gold standard no tratamento do edema macular em doentes diabéticos. A eficácia do tratamento é variável entre doentes, sendo que um número considerável não apresenta uma resposta satisfatória. Nestes doentes, poderá existir uma predominância de outras vias patogénicas para além da via do VEGF ou lesões não reversíveis. A concentração de fatores inflamatórios e angiogénicos nos doentes com edema macular diabético poderia ajudar a prever a eficácia do tratamento e estabelecer o prognóstico de cada doente. Foram selecionados estudos prospectivos que mediram as concentrações de fatores inflamatórios e angiogénicos nos humores vítreo e aquoso de doentes com edema macular diabético. Os doentes com concentrações mais elevadas de VEGF, fator de crescimento placentário (PlGF), recetor solúvel do fator de crescimento vascular endotelial (sVEGFR)-1, Monocyte-chemotactic Protein (MCP)-1, molécula de adesão intercelular (ICAM)-1, Interleucina (IL)-6 e Interferon γ-Induced Product (IP)-10 apresentam uma melhor resposta à terapêutica anti-VEGF. Concentrações pouco elevadas de fatores inflamatórios e angiogénicos em doentes traduzem uma pior resposta ao tratamento e poderão ser prova da presença de lesões irreversíveis. A avaliação da concentração destas citocinas pode ajudar a prever a eficácia da terapêutica anti-VEGF.

Therapy with anti-vascular endothelial growth factor (anti-VEGF) agents is considered gold standard in the treatment of macular edema in diabetic patients. The efficacy of treatment varies among patients, and a considerable number does not present a satisfactory response to treatment. In these patients, other pathogenic pathways beyond the VEGF pathway may prevail or non-reversible lesions may be present. The concentration of inflammatory and angiogenic factors in patients with diabetic macular edema could help predict the efficacy of treatment and establish the prognosis of each patient. Prospective clinical studies that measured concentrations of inflammatory and angiogenic factors in the vitreous and aqueous humor of patients with diabetic macular edema were selected. Patients with higher concentrations of VEGF, Placental growth factor (PlGF), soluble vascular endothelial growth factor (sVEGFR)-1, Monocyte-chemotactic Protein (MCP)-1, intercellular adhesion molecule (ICAM)-1, interleucin (IL)-6 and Interferon γ - Induced Product (IP)-10 have better response to anti-VEGF therapy. Low concentrations of inflammatory and angiogenic factors in patients who do not have a good response to treatment may be an evidence of non-reversible lesions. Evaluation of these markers could help predict the efficacy of anti-VEGF treatment.

Trabalho Final do Curso de Mestrado Integrado em Medicina, Faculdade de Medicina, Universidade de Lisboa, 2017

Country
Portugal
Related Organizations
Keywords

Inflamação, Domínio/Área Científica::Ciências Médicas, Fator de crescimento vascular endotelial, Retinopatia diabética, Citocinas, Edema macular diabético, Barreira hematorretiniana

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selected citations
These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
0
Average
Average
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Green