10 July 2017 : Clinical Research
Med Sci Monit 2017; 23:3345-3352
BACKGROUND: The aim of this study was to compare the efficacy of air and perfluoropropane (C3F8) combined with vitrectomy to treat myopic foveoschisis (MF).
MATERIAL AND METHODS: A retrospective comparison of a consecutive series of surgical patients was performed. Ninety-seven eyes of 91 patients with MF were assigned to undergo 23G vitrectomy. After internal limiting membrane (ILM) peeling, the vitreous cavity was filled with air in 48 eyes of 45 patients (Air Group). Fluid-air exchange was performed in 49 eyes of 46 patients (C3F8 Group) followed by an injection of 14% C3F8. Patients were evaluated using best-corrected visual acuity (BCVA) and optical coherence tomography.
RESULTS: Preoperatively, there was no significant difference in clinical features between the groups. After surgery, BCVA was markedly improved and the foveoschisis height was reduced in both groups compared with baseline (P<0.01), but the difference between the groups was not significant (P>0.05). No significant differences were noted in BCVA improvement and retinal restoration (P=0.33 and 0.39, respectively) in the mild and moderate subgroups (foveoschisis height ≤400 μm) between the tamponades. However, in the severe group (foveoschisis height >400 μm), C3F8 had a more favorable cure rate and foveoschisis height reduction improvement compared with air (P=0.04 and 0.04, respectively) at the last visit.
CONCLUSIONS: Vitrectomy combined with ILM peeling is effective in the treatment of myopic foveoschisis, and the choice of tamponade depends on the severity of foveoschisis. Air can be used for patients with a foveoschisis height ≤400 μm, but C3F8 is more effective for patients with a foveoschisis height >400 μm.
Keywords: Fovea Centralis, Myopia, Vitrectomy
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