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Revista chilena de neuro-psiquiatría

versión On-line ISSN 0717-9227

Resumen

KHALILIYEH Y, Daniela et al. Sellar tumors: peripapillary retinal nerve fiber layer thickness on optical coherence tomography as prognosis of postoperatory visual recovery. Rev. chil. neuro-psiquiatr. [online]. 2016, vol.54, n.4, pp.282-290. ISSN 0717-9227.  http://dx.doi.org/10.4067/S0717-92272016000400003.

Purpose: To establish the prognostic value of the retinal nerve fiber layer thickness measured at Optical Coherence Tomography (OCT) as a predictor of visual function posterior to resection of sellar tumors. Material and Methods: Descriptive, retrospective study in patients undergoing microscopic transsphenoidal resection of sellar tumors with preoperative ophthalmologic evaluation (evaluation by specialist, 24-2 Sita Standard visual field (24-2 SS VF) and optic nerve head Stratus OCT) and postoperative (evaluation by specialist and 24-2 SS VF). Minimum follow-up was 3 months. For statistical analysis, Spearman and Pearson's Correlation Coefficient and linear regression was used. Results: A total of 18 patients were included. In the preoperative evaluation, patients had logMAR average Snellen visual acuity (VA) of 0.70 (0.15 logMAR, 0-4.0), an average mean deviation (MD) of -9.25 dB (0.4 to -30.4 dB) and a average retinal nerve fiber layer thickness of 83.7 microns (45.24 to 115.37). Postoperative evaluation of patients showed an Snellenaverage VA of 0.78 (0.1 logMAR, 0-1.3) and MD of 5.58 dB (2.31 -32.39 dB). A positive correlation (r = 0.51) between average retinal nerve fiber layer thickness and postoperative MD, less probably to improved in VF and VA with thicknesses below 80 microns. Conclusion: A nerve fiber layer thickness on optic nerve head Stratus OCT below 80 microns correlated with poorer visual function improvement in patients undergoing transsphenoidal resection surgery of sellar tumors.

Palabras clave : Pituitary neoplasms; Tomography; optical coherence; Visual fields.

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