June 2017
Volume 58, Issue 8
Open Access
ARVO Annual Meeting Abstract  |   June 2017
Frequency of toxoplasmic retinal lesions in Eye Bank retinas
Author Affiliations & Notes
  • Deise Fialho da Fialho da Costa
    Departamento de Oftalmologia e Ciências Visuais , Universidade Federal de São Paulo , São Paulo , Brazil
  • Flavio de Avila Fowler
    Departamento de Oftalmologia e Ciências Visuais , Universidade Federal de São Paulo , São Paulo , Brazil
  • Heloisa Nascimento
    Departamento de Oftalmologia e Ciências Visuais , Universidade Federal de São Paulo , São Paulo , Brazil
  • Aline Sutili Toledo
    Departamento de Oftalmologia e Ciências Visuais , Universidade Federal de São Paulo , São Paulo , Brazil
  • Janaina De Oliveira Dias
    Banco de Olhos de Chapecó , Hospital Regional do Oeste , Chapecó , Santa Catarina, Brazil
  • Mario J Nobrega
    Banco de Olhos de Joinville , Joinville , Santa Catarina, Brazil
  • Cristina Maria Bittencourt Garrido
    Banco de Olhos do Amazonas , Fundação Hospital Adriano Jorge , Manaus , Amazonas, Brazil
  • Fernando Amaral Junqueira Nobrega
    Banco de Olhos de Joinville , Joinville , Santa Catarina, Brazil
  • Luiz Vicente Rizzo
    Instituto Israelita de Ensino e Pesquisa , Hospital Israelita Albert Einstein, São Paulo , Brazil
  • Cláudio Silveira
    Clínica Silveira , Erechim , Rio Grande do Sul, Brazil
  • Alessandra Gonçalves Commodaro
    Departamento de Oftalmologia e Ciências Visuais , Universidade Federal de São Paulo , São Paulo , Brazil
  • Rubens Belfort
    Departamento de Oftalmologia e Ciências Visuais , Universidade Federal de São Paulo , São Paulo , Brazil
  • Footnotes
    Commercial Relationships   Deise Fialho da Costa, None; Flavio Fowler, None; Heloisa Nascimento , None; Aline Toledo, None; Janaina Dias , None; Mario Nobrega, None; Cristina Garrido , None; Fernando Nobrega, None; Luiz Rizzo , None; Cláudio Silveira , None; Alessandra Commodaro , None; Rubens Belfort, None
  • Footnotes
    Support  None
Investigative Ophthalmology & Visual Science June 2017, Vol.58, 3889. doi:
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      Deise Fialho da Fialho da Costa, Flavio de Avila Fowler, Heloisa Nascimento, Aline Sutili Toledo, Janaina De Oliveira Dias, Mario J Nobrega, Cristina Maria Bittencourt Garrido, Fernando Amaral Junqueira Nobrega, Luiz Vicente Rizzo, Cláudio Silveira, Alessandra Gonçalves Commodaro, Rubens Belfort; Frequency of toxoplasmic retinal lesions in Eye Bank retinas. Invest. Ophthalmol. Vis. Sci. 2017;58(8):3889.

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      © ARVO (1962-2015); The Authors (2016-present)

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Abstract

Purpose : Ocular toxoplasmosis is the main cause of posterior uveitis worldwide. In Brazil, the seroprevalence of T. gondii infection ranges from 50% to 80% depending of the region studied. The frequency of toxoplasmic retinal scar may goes from 6% to 18% of the adults. Our goal was to determine the frequency of toxoplasmic lesions in retinas from Eye Bank Eyes from different regions in Brazil.

Methods : A total of 162 eyes were obtained from Eye Banks in Manaus(n=60), Sao Paulo (n=60), Chapeco (n=26) and Joinville (n=16) from 2014 to 2016. The retinas were macroscopically analyzed and retinal images taken from the lesions suspected to be caused by Toxoplasma gondii.

Results : The macroscopic analysis demonstrated that 4 from 60 retinas from Sao Paulo (6.7%), 6 from 60 retinas from Manaus (10%), 4 from 26 retinas from Chapeco (15.4%) and 10 from 16 retinas from Joinville (62.5%) had retinal hyperpigmented focal lesions consistent with the diagnosis of toxoplasmic retinochoroiditis.

Conclusions : Our findings have shown a higher frequency of retinal focal lesions in the retinas from Joinville in comparison with retinas from Sao Paulo, Manaus and Chapeco.

This is an abstract that was submitted for the 2017 ARVO Annual Meeting, held in Baltimore, MD, May 7-11, 2017.

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