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Combined trabeculotomy-trabeculectomy using the modified Safer Surgery System augmented with MMC: its long-term outcomes of glaucoma treatment in Asian children

  • Glaucoma
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Abstract

Background

This study aimed to study the long-term surgical outcomes of combined trabeculotomy–trabeculectomy (CTT) using the modified Safer Surgery System in treating childhood glaucoma at a tertiary medical center in Taiwan.

Methods

Retrospective, consecutive, noncomparative case series. We retrospectively reviewed medical records of 42 pediatric patients (age 0–18 years) who had CTT performed on their 65 eyes using the modified Safer Surgery System. The study period spanned 18 years (from January 1, 1997, to December 31, 2014). We evaluated the outcome in terms of postoperative intraocular pressure (IOP), axial length growth, disc cupping reversal, and use of antiglaucoma medications. The surgical success was rated using the Kaplan–Meier survival analysis and based on the incidence of complications.

Results

The mean follow-up period was 85.05 ± 32.17 months (range 14–200). After operation, IOP dropped significantly from 35.76 ± 9.44 mmHg (mean ± SD) to 16.18 ± 7.20 mmHg together with a significant reversal of optic disc cupping. Similarly, the use of antiglaucoma medications was also significantly reduced in number from 1.26 ± 0.50 to 0.43 ± 0.70. Most of the axial lengths of the eyes measured at the last follow-up visit showed growths within the average ± 2 SDs in comparison with the healthy, age-matched population. After surgery, the qualified success rate was 90.77% at the end of the first year, 90.77% at the second year, 87.64% at the fifth year, 84.51% at the 10th year, and 81.38% at the 15th year. No serious intraoperative or postoperative complications were found.

Conclusions

For Taiwanese children, the combined trabeculotomy–trabeculectomy using the modified Safer Surgery System offered an efficient and safe surgical option for treating glaucoma with long-term satisfactory control of IOP.

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Funding

This research received research grant from the Tri-Service General Hospital, Taipei, Taiwan (TSGH-C106-082), and the National Defense Medical Center, Taipei, Taiwan (MAB101-12 and MAB-102-94).

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Authors and Affiliations

  1. Department of Ophthalmology, Tri-Service General Hospital, National Defense Medical Center, No. 325, Sec. 2, Chenggong Rd, Neihu Dist., Taipei City, 11490, Taiwan, Republic of China

    Cherng-Ru Hsu, Yi-Hao Chen, Ming-Cheng Tai & Da-Wen Lu

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  1. Cherng-Ru Hsu
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  2. Yi-Hao Chen
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  4. Da-Wen Lu
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Correspondence to Da-Wen Lu.

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The authors declare that they have no conflict of interest.

Ethical approval

All procedures performed in studies involving human participants were in accordance with the ethical standards of the institutional and/or national research committee and with the 1964 Helsinki Declaration and its later amendments or comparable ethical standards.

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Hsu, CR., Chen, YH., Tai, MC. et al. Combined trabeculotomy-trabeculectomy using the modified Safer Surgery System augmented with MMC: its long-term outcomes of glaucoma treatment in Asian children. Graefes Arch Clin Exp Ophthalmol 256, 1187–1194 (2018). https://doi.org/10.1007/s00417-018-3941-9

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  • DOI: https://doi.org/10.1007/s00417-018-3941-9

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