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. 2025 Sep-Oct;53(7):756-763.
doi: 10.1111/ceo.14549. Epub 2025 May 9.

Outcomes of Stent Removal in Eyes With the Paul Glaucoma Implant With Intraluminal 6-0 Polypropylene

Nicole Shu-Wen Chan  1   2 , Seah Wei Hing  1 , Naoki Okada  3 , Li Hengtong  2   4 , Maria Cecilia Aquino  1 , Victor Koh Teck Chang  1   2   4 , Katherine Wanxian Lun  1 , Dawn Ka Ann Lim  1 , Paul Tec Kuan Chew  1   2 , Marcus Chun Jin Tan  1   2
Affiliations

Outcomes of Stent Removal in Eyes With the Paul Glaucoma Implant With Intraluminal 6-0 Polypropylene

Nicole Shu-Wen Chan et al. Clin Exp Ophthalmol. 2025 Sep-Oct.

Abstract

Background: To evaluate the 12-month outcomes of stent removal in eyes with the Paul Glaucoma Implant (PGI) and intraluminal 6-0 polypropylene in an Asian population.

Methods: Retrospective review of patients ≥ 18 years of age with glaucoma in a tertiary institution, who underwent the PGI stented with intraluminal 6-0 polypropylene (October 2018 to January 2023), with a minimum follow-up duration of 12 months. The main outcome measures were intraocular pressure (IOP) and number of glaucoma medications.

Results: We included 103 eyes of 97 patients, who were mostly Chinese (73.8%). The stent was removed in 43 eyes (41.7%), at a median of 12.3 (interquartile range: 4.1-18.4) postoperative weeks. The mean IOP reduction immediately following stent removal was -6.4 ± 5.0 mmHg, and there was a strong linear correlation with the IOP before stent removal (Pearson correlation -0.554; p < 0.001). No eyes developed hypotony after stent removal.

Conclusions: Less than half of the eyes with PGI stented with intraluminal 6-0 polypropylene required stent removal. The IOP reduction achieved after stent removal correlated with the IOP before stent removal, and there were no complications of hypotony.

Keywords: Paul glaucoma implant; polypropylene; stent; stent removal.

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References

    1. N. A. Vallabh , F. Mason , J. T. S. Yu , et al., “Surgical Technique, Perioperative Management and Early Outcome Data of the PAUL® Glaucoma Drainage Device,” Eye 36, no. 10 (2022): 1905–1910.
    1. C. Weber , S. Hundertmark , R. Liegl , et al., “Clinical Outcomes of the PAUL® Glaucoma Implant: One‐Year Results,” Clinical & Experimental Ophthalmology 51, no. 6 (2023): 566–576.
    1. P. José , R. C. Barão , F. J. Teixeira , et al., “One‐Year Efficacy and Safety of the PAUL Glaucoma Implant Using a Standardized Surgical Protocol,” Journal of Glaucoma 31, no. 3 (2022): 201–205.
    1. M. C. J. Tan , H. Y. C. Choy , V. Koh Teck Chang , et al., “Two‐Year Outcomes of the Paul Glaucoma Implant for Treatment of Glaucoma,” Journal of Glaucoma 31, no. 6 (2022): 449–455.
    1. V. Koh , P. Chew , G. Triolo , et al., “Treatment Outcomes Using the PAUL Glaucoma Implant to Control Intraocular Pressure in Eyes With Refractory Glaucoma,” Ophthalmology Glaucoma 3, no. 5 (2020): 350–359.

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