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New research · Ophthalmology
Ophthalmology. Glaucoma · 5d
Cohort studyOphthalmology. Glaucoma · 2026

Intermediate Outcomes of SIBS Microshunt, Gelatin Microstent and Trabeculectomy: A Comparative Retrospective Cohort Study.

Moncef Berkache, Rayan Tolba, Kenan Bachour … Georges M Durr
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OphthalmologyCohort study

SIBS microshunt had higher 2-year complete success rate than trabeculectomy or gelatin microstent

Intermediate Outcomes of SIBS Microshunt, Gelatin Microstent and Trabeculectomy: A Comparative Retrospective Cohort Study.

Moncef Berkache … Georges M Durr
Ophthalmology. Glaucoma · 2026
Purpose

To compare the two-year surgical success rates, the complications and risk factors for failure of the SIBS microshunt, the gelatin microstent and trabeculectomy.

Methods

Single-center, single-surgeon retrospective cohort study.

n = 142 eyes
Results

roughly 7 in 10 SIBS-treated eyes had healthy pressure control, no drops, no repeat surgery

HR by subgroup · 95% CI
null = 1
gelatin microstent
3.43
combined cataract surgery
2.06
More results

SIBS microshunt group included a significantly higher proportion of eyes with prior failed glaucoma filtering surgery (41.9% vs 0% for gelatin microstent and 2.8% for trabeculectomy, respectively; p<0.001).

Qualified success was achieved in 83.7%, 66.7%, and 55.6%, respectively, with SIBS demonstrating superior outcomes than gelatin microstent (p=0.003).

More results

In the multivariable analysis, the gelatin microstent (HR 3.43; 95%CI 1.61-7.31), and combined cataract surgery (HR 2.06; 95%CI 1.27-3.35) were associated with increased hazard of failure, while age ≥70 years was associated with lower risk of failure (0.54; 95%CI 0.30-0.98).

“
Conclusion

Despite higher-risk baseline profile, the SIBS microshunt achieved higher 2-year success rates than trabeculectomy and gelatin microstent across multiple IOP ranges, with comparable complications and fewer reoperations.

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