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Vitreous levels of interleukine-8 and monocyte chemoattractant protein-1 in macular oedema with branch retinal vein occlusion.

Tipo: Artículo
Código: PMID: 20111061
Autores: Fonollosa A, Garcia-Arumi J, Santos E, Macia C, Fernandez P, Segura RM, Zapata MA, Rodriguez-Infante R, Boixadera A, Martinez-Castillo V
Títuto Revista: Eye (Lond). 2010 Jan 29.
Referencia:
Centro: HVHebrón

Abstract

PurposeTo investigate whether interleukine-8 (IL-8) and monocyte chemoattractant protein-1 (MCP-1) are related with macular oedema in patients with branch retinal vein occlusions (BRVOs).DesignRetrospective case-control study.ParticipantsNineteen patients who had macular oedema due to BRVO and nine patients with non-ischaemic ocular diseases (control group).MethodsMacular oedema was examined by optical coherence tomography. Both venous blood and vitreous samples were obtained at the time of vitreoretinal surgery. IL-8 and MCP-1 levels in vitreous fluid and plasma were determined with enzyme-linked immunosorbent assay kits. Variables were compared with the Mann-Whitney U-test, Wilcoxon's signed-ranked test, and the chi (2)-test, when appropriate. To examine correlations, Spearman's rank-order correlation coefficients were calculated. Statistical significance was set at P<0.05.ResultsThe vitreous fluid levels of IL-8 (median: 63.5 pg/ml) and MCP-1 (median: 1522.4 pg/ml) were significantly higher in the patients with BRVO than in the control group (median: 5.1 and 746.5 pg/ml respectively; P<0.001 and <0.001 respectively). Vitreous IL-8 and MCP-1 were significantly correlated in patients with BRVO (P=0.009).ConclusionsBoth IL-8 and MCP-1 were elevated in the vitreous fluid of patients with BRVO and macular oedema. Both chemokines may contribute to the pathogenesis of macular oedema in patients with BRVO.Eye advance online publication, 29 January 2010; doi:10.1038/eye.2009.340.