title: Correlation from undiluted vitreous cytokines of untreated central retinal vein occlusion with spectral domain optical coherence tomography.
abstract: OBJECTIVE
  To correlate inflammatory and proangiogenic key cytokines from undiluted vitreous of treatment-naïve central retinal vein occlusion (CRVO) patients with SD-OCT parameters.
  
  
  METHODS
  Thirty-five patients (age 71.1 years, 24 phakic, 30 nonischemic) underwent intravitreal combination therapy, including a single-site 23-gauge core vitrectomy. Twenty-eight samples from patients with idiopathic, non-uveitis floaterectomy served as controls. Interleukin 6 (IL-6), monocyte chemoattractant protein-1 (MCP-1), and vascular endothelial growth factor (VEGF-A) levels were correlated with the visual acuity (logMar), category of CRVO (ischemic or nonischemic) and morphologic parameters, such as central macular thickness-CMT, thickness of neurosensory retina-TNeuro, extent of serous retinal detachment-SRT and disintegrity of the IS/OS and others.
  
  
  RESULTS
  The mean IL-6 was 64.7pg/ml (SD ± 115.8), MCP-1 1015.7 ( ± 970.1), and VEGF-A 278.4 ( ± 512.8), which was significantly higher than the control IL-6 6.2 ± 3.4pg/ml (P=0.06), MCP-1 253.2 ± 73.5 (P<0.0000001) and VEGF-A 7.0 ± 4.9 (P<0.0006). All cytokines correlated highly with one another (correlation coefficient r=0.82 for IL-6 and MCP-1; r=0.68 for Il-6 and VEGF-A; r=0.64 for MCP-1 and VEGF-A). IL-6 correlated significantly with CMT, TRT, SRT, dIS/OS, and dELM. MCP-1 correlated significantly with SRT, dIS/OS, and dELM. VEGF-A correlated not with changes in SD-OCT, while it had a trend to be higher in the ischemic versus the nonischemic CRVO group (P=0.09).
  
  
  CONCLUSIONS
  The inflammatory cytokines were more often correlated with morphologic changes assessed by SD-OCT, whereas VEGF-A did not correlate with CRVO-associated changes in SD-OCT. VEGF inhibition alone may not be sufficient in decreasing the inflammatory response in CRVO therapy.
authors.affiliation: Department of Ophthalmology, Goethe University, Frankfurt am Main, Germany ; Doheny Eye institute, Los Angeles, USA.
authors.forename: Mj
authors.initials: M
authors.lastname: Koss
authors.forename: M
authors.initials: M
authors.lastname: Pfister
authors.forename: F
authors.initials: F
authors.lastname: Rothweiler
authors.forename: R
authors.initials: R
authors.lastname: Rejdak
authors.forename: R
authors.initials: R
authors.lastname: Ribeiro
authors.forename: J
authors.initials: J
authors.lastname: Cinatl
authors.forename: R
authors.initials: R
authors.lastname: Schubert
authors.forename: T
authors.initials: T
authors.lastname: Kohnen
authors.forename: Fh
authors.initials: F
authors.lastname: Koch
keywords: CBA; CRVO; IL-6; MCP-1; SD-OCT.; VEGF; Vitreous samples
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