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Predictive Value of Bleb Vascularity after Mitomycin C Augmented Trabeculectomy
Aleksandra Wlaź1, Anna Kuna1, Agnieszka Wilkos-Kuc1
1Department of Diagnostics and Microsurgery of Glaucoma, Medical University, Chmielna 1, 20-079 Lublin, Poland.
Journal of Clinical Medicine
|November 3, 2020
Summary
Increased bleb vascularity after trabeculectomy surgery may predict long-term failure. Early postoperative bleb vascularity did not correlate with surgical success one year later, but later measurements did.
Area of Science:
- Ophthalmology
- Glaucoma Surgery
- Surgical Outcomes
Background:
- Trabeculectomy with mitomycin C (MMC) is a common glaucoma surgery.
- Assessing factors predicting surgical success is crucial for patient outcomes.
Purpose of the Study:
- To investigate the relationship between bleb vascularity and surgical outcomes one year after MMC-augmented trabeculectomy.
Main Methods:
- Prospective study of 51 eyes undergoing MMC-augmented trabeculectomy.
- Bleb vascularity measured using ImageJ software at multiple postoperative time points.
- Surgical success defined by intraocular pressure (IOP) and need for further intervention.
Main Results:
- At 1 year, 78.4% of procedures were successful.
- Higher bleb vascularity at 1, 3, and 12 months post-surgery correlated with failed blebs.
- Early postoperative vascularity (days 1 and 14) did not predict success.
Conclusions:
- Bleb vascularity is strongly related to trabeculectomy outcomes.
- Increased bleb vascularity at 1, 3, and 12 months post-surgery predicts 1-year surgical failure.
- Early bleb vascularity is not a reliable predictor of long-term success.

