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Evaluation of intraocular pressure and ocular perfusion pressure during hemodialysis

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posted on 06.02.2019 by Pedro Veras Franco, Álissa Elen Formiga Moura, Liana Gonçalves Aragão Rocha, Lizandra Fujita de Paula Pessoa, Eduardo Nogueira Lima Sousa, Leiria de Andrade Neto, Juliana de Lucena Martins Ferreira

Abstract Objective: To evaluate the variation of intraocular pressure and ocular perfusion pressure during hemodialysis sessions, in the pre, intra (hourly) and post dialytic periods, in patients treated at Hemodialysis Reference Services in Fortaleza - CE. Methods: The study was longitudinal and prospective. 45 patients underwent hemodialysis. All patients were recruited to undergo an ophthalmologic examination, in addition to the intraocular pressure measurement with Tonopen. Results: The sample consisted of 26 men and 19 women with a mean age of 51.8 years. The study revealed that there is an important difference between pre and post hemodialysis intraocular pressure, decreasing by an average of 2.59 mmHg. When analyzing ocular perfusion pressure, an average increase of 1.85 mmHg was found between the onset and end of hemodialysis. Conclusion: According to the present study, the hemodialysis process is an apparently safe procedure in relation to altered intraocular pressure and ocular perfusion pressure, as causes of ocular pathologies, mainly glaucoma.

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