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May Estela Cadena, Antonio Remolina, Armando Castillejos-Chévez, Fernando Del Real, Lorena Tora Hoffner, Jesus Jimenez-Roman; Comparison of surgical outcomes between Ex-Press Shunt and Non Penetrating Deep Sclerectomy at 3 months follow-up.. Invest. Ophthalmol. Vis. Sci. 2015;56(7 ):2699.
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Compare these two techniques in order to determine their safety and effectiveness in IOP control.
Retrospective study of patients with diagnosis of glaucoma who underwent glaucoma surgery. The techniques evaluated were Ex-Press shunt implantation (ESI) versus Non Penetrating Deep Sclerectomy (NPDS). We followed them through 3 months with intraocular pressure (IOP), visual fields (VF), complication rate and requirement of glaucoma medication.
19 patients (12 females and 7 males) were included in this study, 9 underwent NPDS and 10 ESI. In the NPDS group there was a mean age of 59 years (±15.47), all of them with diagnosis of Primary Open Angle Glaucoma. VA pre-intervention average was 0.34 LogMar (±0.27). VA post-intervention was 0.46 LogMar (±0.35). Basal IOP of 14.75 mmHg (±3.77). Post-surgical evaluation went as follows: 1 day IOP 18.11 mmHg (± 8.23), 1 week IOP 9.62 mmHg (±4.4), 1 month IOP 11mmHg (±3), 3 months IOP13.62 mmHg (±3.62). VF -11.06 (±8.4).<br /> In the ESI group the mean age was 47 years (±24.96). Only in 1 patient mitomicin was trans-surgically applied. VA pre-intervention average was 0.21 LogMar (±0.24). VA post-intervention was 0.25 LogMar (±0.35). Basal IOP of 29.2 mmHg (±11.35) Post-surgical evaluation: 1 day IOP 6 mmHg (±6.25),1 week IOP 6.4 mmHg (±5.71), 1 month IOP 12.5 mmHg (±3.62), 3 months IOP 11.9. VF -21.43 MD (±5.62). Post-surgically 5 patients required 5 fluorouracil application.
Both groups (NPDS and ESI) were analized using ANOVA and we found no statistically significant difference between IOPs during the follow-up period. There is no difference between both techniques efficacy, however a larger sample of patients will be needed to verify this data.
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