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Prognostic factors for successful Baerveldt glaucoma implant surgery for refractory glaucoma after multiple surgeries

Abstract

Purpose

To determine the prognostic factors for success 3 years after Baerveldt glaucoma implant (BGI) surgery.

Study design

Single-center retrospective clinical study.

Methods

We analyzed 27 eyes (24 patients) treated with BGI surgery between 2012 and 2016 at Osaka University Hospital. Patients were followed for a minimum of 3 years postoperatively. We analyzed the success rates and risk factors. Failure was defined as the need for additional surgery for IOP reduction, loss of light perception, and intraocular pressure (IOP) ≧22 mmHg (definition 1) or ≧17 mmHg (definition 2) at two consecutive follow-up visits.

Results

The mean number of previous eye surgeries was 4.1 ± 3.3. The success rates were 81.5% and 77.8%, respectively, 1 year and 3 years after surgery based on definition 1 and 51.9% and 48.2%, respectively, based on definition 2. The early and late surgical complication rates, respectively, were 29.6% and 22.2%. An IOP 2 months after BGI surgery of ≧17 mmHg and the number of previous eye surgeries were significant risk factors for failure based on definition 2.

Conclusion

The long-term results and complication rates after BGI surgery for refractory glaucoma in our hospital were similar to previous reports, and the IOP 2 months after BGI surgery and the number of previous eye surgeries were associated with the prognosis.

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Acknowledgements

We thank Lynda Charters of Medical International for English language editing. This study was supported by Grants-in-Aid for Scientific Research C (no. 18K09406) and Grants-in-Aid for Early-Career Scientists (no. 20K18379) from the Ministry of Education, Culture, Sports, Science, and Technology.

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Correspondence to Kenji Matsushita.

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K. Matsushita, None; R. Kawashima, None; R. Kawasaki, None; K. Nishida, None.

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Corresponding Author: Kenji Matsushita

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Matsushita, K., Kawashima, R., Kawasaki, R. et al. Prognostic factors for successful Baerveldt glaucoma implant surgery for refractory glaucoma after multiple surgeries. Jpn J Ophthalmol (2021). https://doi.org/10.1007/s10384-021-00864-2

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Keywords

  • Baerveldt glaucoma implant (BGI)
  • Refractory glaucoma
  • Late complications
  • Prognostic factor