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- Title
Intraocular pressure and ocular perfusion during hemodialysis.
- Authors
BARBOSA, CAROLINA PELEGRINI; STEFANINI, FRANCISCO ROSA; PENHA, FERNANDO; GÓES, MIGUEL ÂNGELO; DRAIBE, SÉRGIO ANTONIO; CANZIANI, MARIA EUGÊNIA; PARANHOS JUNIOR, AUGUSTO
- Abstract
Aim: To evaluate the intraocular pressure and ocular perfusion pressure during a hemodialysis. Methods: Sixty-seven eyes from thirty-five patients were evaluated at the beggining of hemodialysis, 2 hours and 4 hours after initiation. Intraocular pressure was evaluated using a Tonopen. Systolic and diastolic arterial pressures were measured with a manual sphygmomanometer. The ocular perfusion pressure was estimated by measuring the difference between 2/3 of the mean arterial pressure and the intraocular pressure values. Generalized estimating equations were used to evaluate the difference between the repeated measurements using the appropriate correction for inter-eye dependency. Results: There was no statistically significant difference in ocular perfusion pressure, in intraocular pressure (p=0.93) and in systolic arterial pressure (p=0.92) at the three time points (p=0.69). But, when analyzing the extreme values, some patients exhibited lower diastolic perfusion pressures at all time points. Conclusion: Our results did not support the view that significant changes in ocular perfusion pressure and intraocular pressure occur during hemodialysis session. However, we observed that some patients exhibited lower diastolic perfusion pressures, which could be a poor prognostic factor for glaucoma patients.
- Subjects
INTRAOCULAR pressure; HEMODIALYSIS; KIDNEY failure; PROGNOSIS; GLAUCOMA; EYE diseases
- Publication
Arquivos Brasileiros de Oftalmologia, 2011, Vol 74, Issue 2, p106
- ISSN
0004-2749
- Publication type
Article
- DOI
10.1590/S0004-27492011000200007