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A comparison of total and partial tenonectomy with trabeculectomy
K N Miller1, M Blasini, M B Shields
1Department of Ophthalmology, Duke University Eye Center, Durham, North Carolina 27710.
American Journal of Ophthalmology
|March 15, 1991
Summary
This study found that both partial and total tenonectomy during trabeculectomy surgery yield similar success rates for lowering intraocular pressure. No significant differences were observed in medication needs or further surgical interventions between the two glaucoma surgical techniques.
Area of Science:
- Ophthalmology
- Surgical Techniques
- Glaucoma Management
Background:
- Trabeculectomy is a common surgical procedure for glaucoma.
- Tenonectomy is a component of trabeculectomy, but different techniques exist.
- The impact of partial versus total tenonectomy on surgical outcomes is not fully elucidated.
Purpose of the Study:
- To compare the efficacy and outcomes of partial tenonectomy versus total tenonectomy.
- To evaluate the success rates and postoperative management requirements of two tenonectomy methods in trabeculectomy.
Main Methods:
- A randomized controlled trial involving 49 eyes undergoing trabeculectomy.
- Eyes were assigned to either partial tenonectomy (23 eyes) or total tenonectomy (26 eyes).
- Success was defined by intraocular pressure below 18 or 21 mm Hg.
Main Results:
- No statistically significant difference in success rates between partial and total tenonectomy groups.
- No significant differences in the requirement for postoperative medications.
- No significant differences in the need for subsequent surgical interventions were noted.
Conclusions:
- Both partial and total tenonectomy are equally effective when performed during trabeculectomy.
- Equivalent clinical outcomes can be expected regardless of the tenonectomy technique employed.
- The choice between partial and total tenonectomy may depend on surgeon preference or specific case factors.