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Scleral Buckling versus Vitrectomy for Retinal Detachment Repair: Comparison of Visual Fields and Nerve Fiber Layer Thickness

Scleral Buckling versus Vitrectomy for Retinal Detachment Repair: Comparison of Visual Fields and... Purpose: To compare visual field loss and retinal nerve fiber layer (RNFL) defects in cases of rhegmatogenous retinal detachment (RRD) treated with scleral buckle (SB) versus pars plana vitrectomy (PPV) and C<sub>3</sub>F<sub>8</sub> injection. Methods: This was a prospective, comparative interventional study of 50 eyes with primary RRD, treated with PPV (25 eyes) or SB (25 eyes). All measurements took place at least 9 months following successful and uncomplicated surgical treatment. The visual field total deviation (TD) values for preoperative attached and detached areas were calculated and compared separately. The optic nerve head morphology was studied with Heidelberg retinal tomography (HRT), and the RNFL using spectral-domain optical coherence tomography. Results: The preoperative detached areas demonstrated more affected TD values (in dB) compared to the preoperative attached areas (-6.9 ± 5.2 vs. -4.3 ± 3.3 for the SB group and -9.6 ± 5.2 vs. -7.8 ± 5.1 for the PPV group; p = 0.001) in both groups. The preoperative attached areas of the SB group showed better TD values (calculated mean values) compared to the preoperative attached areas of the PPV group (-4.3 ± 3.3 vs. -7.8 ± 5.1, p = 0.007). The RNFL and HRT values showed no statistically significant difference between the two groups. Conclusions: It seems that the preoperative detached retina, despite successful reattachment, suffers permanent damage as a result of the detachment, irrespective of the method of treatment. In the PPV group, the postoperative functionality of the preoperative attached areas was detected to be worse compared to the postoperative functionality of the preoperative attached areas of the SB group. We postulate that this fact could be attributed to an additional traumatizing factor (possibly fluid-air exchange or gas injection) in patients with RRD treated with PPV. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Ophthalmologica Karger

Scleral Buckling versus Vitrectomy for Retinal Detachment Repair: Comparison of Visual Fields and Nerve Fiber Layer Thickness

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References (30)

Publisher
Karger
Copyright
© 2015 S. Karger AG, Basel
ISSN
0030-3755
eISSN
1423-0267
DOI
10.1159/000439443
Publisher site
See Article on Publisher Site

Abstract

Purpose: To compare visual field loss and retinal nerve fiber layer (RNFL) defects in cases of rhegmatogenous retinal detachment (RRD) treated with scleral buckle (SB) versus pars plana vitrectomy (PPV) and C<sub>3</sub>F<sub>8</sub> injection. Methods: This was a prospective, comparative interventional study of 50 eyes with primary RRD, treated with PPV (25 eyes) or SB (25 eyes). All measurements took place at least 9 months following successful and uncomplicated surgical treatment. The visual field total deviation (TD) values for preoperative attached and detached areas were calculated and compared separately. The optic nerve head morphology was studied with Heidelberg retinal tomography (HRT), and the RNFL using spectral-domain optical coherence tomography. Results: The preoperative detached areas demonstrated more affected TD values (in dB) compared to the preoperative attached areas (-6.9 ± 5.2 vs. -4.3 ± 3.3 for the SB group and -9.6 ± 5.2 vs. -7.8 ± 5.1 for the PPV group; p = 0.001) in both groups. The preoperative attached areas of the SB group showed better TD values (calculated mean values) compared to the preoperative attached areas of the PPV group (-4.3 ± 3.3 vs. -7.8 ± 5.1, p = 0.007). The RNFL and HRT values showed no statistically significant difference between the two groups. Conclusions: It seems that the preoperative detached retina, despite successful reattachment, suffers permanent damage as a result of the detachment, irrespective of the method of treatment. In the PPV group, the postoperative functionality of the preoperative attached areas was detected to be worse compared to the postoperative functionality of the preoperative attached areas of the SB group. We postulate that this fact could be attributed to an additional traumatizing factor (possibly fluid-air exchange or gas injection) in patients with RRD treated with PPV.

Journal

OphthalmologicaKarger

Published: Jan 1, 2015

Keywords: Retinal detachment; Visual fields; Vitrectomy; Scleral buckling; Retinal nerve fiber layer

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