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Non-penetrating deep sclerectomy versus trabeculectomy in primary open-angle glaucoma surgery
1University Eye Clinic, St. Spiridon Hospital, Iasi, Romania. dchiselita@yahoo.com
Eye (London, England)
|May 8, 2001
Summary
Trabeculectomy more effectively lowers intraocular pressure (IOP) than non-penetrating deep sclerectomy (NPDS). However, NPDS demonstrates a lower complication rate, offering a safer alternative for glaucoma management.
Area of Science:
- Ophthalmology
- Glaucoma Surgery
Background:
- Glaucoma management often requires surgical intervention to lower intraocular pressure (IOP).
- Trabeculectomy and non-penetrating deep sclerectomy (NPDS) are common filtration surgeries.
- Comparing these techniques is crucial for optimizing patient outcomes.
Purpose of the Study:
- To compare the efficacy of trabeculectomy versus NPDS without collagen implants in lowering IOP.
- To evaluate and compare the frequency of post-operative complications between the two surgical techniques.
Main Methods:
- A comparative study involving 17 patients with symmetrical primary open-angle glaucoma.
- Each patient underwent both trabeculectomy and NPDS on different eyes, with procedures performed less than six weeks apart.
- Intraocular pressure (IOP) was monitored through diurnal curves at multiple time points up to 18 months post-surgery.
Main Results:
- Trabeculectomy achieved significantly lower post-operative IOP levels compared to NPDS at all measured time points.
- Trabeculectomy showed a higher complete success rate at 18 months.
- Non-penetrating deep sclerectomy (NPDS) was associated with a statistically significant lower rate of post-operative complications.
Conclusions:
- Trabeculectomy offers superior IOP-lowering effects compared to NPDS.
- NPDS presents a potentially safer surgical option due to its lower complication rate.