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Amniotic membrane transplantation for ocular surface pathology: long-term results
O Gris1, A López-Navidad, F Caballero
1Department of Ophthalmology, Hospital de la Santa Creu i Sant Pau, Barcelona, Spain. ogrisc@hsp.santpau.es
Transplantation Proceedings
|September 10, 2003
Summary
Amniotic membrane transplantation effectively treats ocular surface diseases, particularly conjunctival lesions and corneal pathologies. This safe technique shows promising results, especially after lesion resection, offering an alternative when medical treatments fail.
Area of Science:
- Ophthalmology
- Regenerative Medicine
- Tissue Engineering
Background:
- Amniotic membrane transplantation (AMT) has a long history (>90 years) in tissue regeneration for cutaneous and mucous lesions.
- Recent research highlights AMT's efficacy in treating ocular surface diseases.
Purpose of the Study:
- To evaluate the clinical experience with 53 amniotic membrane transplantations for various ocular pathologies.
- To assess the effectiveness of two different implantation methods for AMT.
Main Methods:
- The study involved 53 patients undergoing AMT, divided into three groups based on pathology and implant type.
- Group 1: 24 eyes with AMT grafts post-resection of conjunctival lesions.
- Group 2: 19 eyes with AMT grafts for corneal pathology.
- Group 3: 10 eyes with AMT patches for corneal epithelial defects without ulceration.
Main Results:
- No intra- or postoperative complications were noted during an average 32-month follow-up.
- Group 1 showed rapid healing with minimal scarring in all cases.
- Group 2 achieved a favorable response in 16 out of 19 eyes.
- Group 3 had a lower success rate (3/10 complete healing), with graft fixation duration correlating with outcomes.
Conclusions:
- Amniotic membrane transplantation is a safe and effective treatment for diverse ocular surface pathologies.
- AMT is the preferred treatment following extensive conjunctival lesion resection.
- For corneal pathologies, AMT serves as a valuable therapeutic alternative when conservative medical management is insufficient.