PURPOSE
To compare surgical success, risk factors, and postoperative course of the SIBS microshunt, gelatin 45 μm microstent, and trabeculectomy with mitomycin C (MMC) as a primary surgical intervention in patients with glaucoma. We present a multicenter, 12-month, retrospective, nonrandomized, interventional case series.
DESIGN
Multicenter, 12-month, retrospective, nonrandomized, interventional case series.
METHODS
Consecutive patients with glaucoma on maximally tolerated medical therapy received either primary SIBS microshunt, gelatin 45 µm microstent, or trabeculectomy with MMC as a stand-alone procedure at one of six participating centers (Canada, Italy, the Netherlands, Belgium, Singapore, Dominican Republic) from August 2015 to August 2020.
Main outcome measures were the proportion of eyes at 12 months with:
- No two consecutive intraocular pressures (IOPs) > 17 mm Hg or clinical hypotony (IOP < 6 mm Hg with a loss of > 2 lines of vision), without (complete) or with (qualified) glaucoma medications; and
- ≥20% reduction from baseline IOP.
Secondary outcomes included:
- IOP thresholds of 14 and 21 mm Hg
- Median IOP
- Medications
- Risk factors
- Postoperative interventions
- Complications
- Reoperations
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