Melhora dos limiares de sensibilidade do campo visual após redução da pressão intra-ocular em pacientes com glaucoma: tratamento cirúrgico vs. clínico
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Data
2006
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Resumo
Purpose: To verify the influence of modality of treatment in
regions of the glaucomatous visual field after reduction of intraocular pressure (IOP). Methods: Glaucoma patients that
had undergone a reduction of IOP of at least 20% in a period of
2 months were retrospectively selected and divided into 2
groups: 1) after trabeculectomy; 2) after clinical treatment.
Visual field global indices and thresholds (average, divided
according to the severity based on the Pattern Deviation plot)
were compared before and after IOP reduction. Results:
Thirty-one eyes of 22 patients were selected (15 in group 1,
and 16 in group 2). Both groups showed good ability regarding
improvement of different regions of the visual field after
IOP reduction. Only the percentage of reduction of IOP
(52.3±18.9% and 37.8±15.2% for groups 1 and 2, respectively,
p=0.02) and the percentage of improvement in the points
damaged at p<0.5% (186.0±213.3% and 30.1±35.2% for groups
1 and 2, respectively, p=0.02) were different, but not statistically
significant after alpha error correction between groups.
Conclusion: The reduction of IOP above 20% may be
associated with improvement in regions of the glaucomatous
visual field, regardless of treatment modality.
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Palavras-chave
Pressão intra-ocular, Resultado de tratamento, Glaucoma, Estudos retrospectivos, Perimetria, Tonometria ocular, Intraocular pressure, Treatment outcome, Glaucoma, Tonometry, ocular, Perimetry, Retrospective studies
Citação
MAGACHO, Leopoldo et al. Melhora dos limiares de sensibilidade do campo visual após redução da pressão intra-ocular em pacientes com glaucoma: tratamento cirúrgico vs. clínico. Arquivos Brasileiros de Oftalmologia, São Paulo, v. 69, n.1, p. 51-55, 2006.