Related Experiment Videos
[The comparison study of glaucoma trabeculectomy applying amniotic membrane or mitomycin C]
Kangkeng Zheng1, Zicai Huang, Haitang Zou
1Department of Ophthalmology, Shantou Central Hospital, Guangdong Shantou 515031, China.
Yan Ke Xue Bao = Eye Science
|December 15, 2006
Summary
Trabeculectomy with human amniotic membrane (HAM) or mitomycin (MMC) both improve glaucoma surgery success rates. While HAM caused shallow anterior chambers, MMC led to bleb issues, but both methods enhance outcomes.
Area of Science:
- Ophthalmology
- Surgical Innovation
Background:
- Glaucoma treatment often involves surgical intervention to reduce intraocular pressure.
- Trabeculectomy is a common glaucoma surgery, but its efficacy can be enhanced with adjuncts.
- Human amniotic membrane (HAM) and mitomycin (MMC) are used to improve surgical outcomes.
Purpose of the Study:
- To compare the effectiveness of trabeculectomy augmented with human amniotic membrane (HAM) versus mitomycin (MMC) in glaucoma treatment.
- To evaluate the safety and efficacy of HAM and MMC as adjuncts to trabeculectomy.
Main Methods:
- A randomized controlled clinical trial involving 48 eyes of 28 glaucoma patients.
- Patients were divided into two groups: trabeculectomy with HAM transplantation or trabeculectomy with intraoperative MMC administration (0.2-0.4mg/ml for 2-4 minutes).
- Follow-up was conducted over 6 months.
Main Results:
- Both HAM and MMC groups demonstrated higher success rates compared to standard trabeculectomy.
- No significant difference in success rates was observed between the HAM and MMC groups.
- HAM complications included shallow anterior chamber; MMC complications included thin wall bleb, bleb leaking, persistent hypotony, and hypotonous maculopathy.
Conclusions:
- Proper application of HAM or MMC can improve trabeculectomy success rates.
- Both adjuncts contribute to maintaining functional blebs long-term.
- Utilizing HAM or MMC can lead to a decrease in surgical complications when applied correctly.
Related Concept Videos
Angle Closure Glaucoma: Treatment
Angle-closure glaucoma, or closed-angle glaucoma, is an eye condition where the iris bulges out and blocks the iridocorneal angle, resulting in a buildup of aqueous humor and increased intraocular pressure. Immediate medical attention is necessary due to the sudden onset of symptoms. The treatment for angle-closure glaucoma includes short-term and long-term approaches. Short-term treatment involves using eye drops like pilocarpine to lower intraocular pressure by increasing aqueous humor...
Open Angle Glaucoma: Treatment
In open-angle glaucoma, the iridocorneal angle remains open, but the trabecular meshwork becomes stiff, slowing down the outflow of aqueous humor. This causes a buildup of aqueous humor in the anterior chamber, leading to a sudden increase in intraocular pressure. The treatment for open-angle glaucoma focuses on reducing the elevated intraocular pressure by either decreasing the secretion of aqueous humor or increasing its outflow.
Drugs such as carbonic anhydrase inhibitors, α2- and...
Drugs such as carbonic anhydrase inhibitors, α2- and...
Glaucoma: Overview
Glaucoma is an eye condition characterized by increased intraocular pressure that damages the retina and optic nerve, leading to irreversible blindness if left untreated. The human eye has various components, including the cornea, iris, pupil, lens, and optic nerve. Aqueous humor is secreted by the epithelium of the ciliary body in the posterior chamber and flows through the trabecular meshwork and canal of Schlemm, maintaining normal intraocular pressure. The trabecular meshwork and the canal...