Abstract:
BACKGROUND:To investigate the transparency, biocompatibility, and safety of human-derived acellular dermal matrix for application in corneal stromal transplantation. METHODS:Twenty-four patients (24 eyes) with pellucid marginal corneal degeneration were enrolled, and intrastromal keratoplasty was performed with human-derived acellular dermal matrix. The ocular symptoms and signs as well as graft characteristics were evaluated at baseline and at 1 day, 1 week, and 1, 3, and 6 months postoperatively. Photography by a slit lamp, topography by Pentacam, anterior segment-optical coherence tomography, and corneal confocal microscopy were conducted at baseline and during the follow-up period. RESULTS:Postoperative discomfort was relieved during the follow-up period. No abnormal ocular signs were observed at 6 months, indicating the safety of the procedure. Desirable and improved transparency of the grafts was demonstrated, and all the grafts healed without dissolution or fall at 6 months postoperatively. Reepithelization was completed, and confocal microscopy revealed that keratocytes and nerves repopulated in all the grafts at 6 months postoperatively. The thinning of the marginal corneal stroma was eliminated following the transplantation, and the curvature and corneal regularity remained stable at 6 months compared with baseline. CONCLUSIONS:The present study demonstrated the transparency, biocompatibility, and safety of human-derived acellular dermis matrix in intrastromal keratoplasty. With further improvements, human-derived acellular dermis matrix could be applied in central lamellar keratoplasty and ultimately solve the shortage of donor grafts.
journal_name
Transplantationjournal_title
Transplantationauthors
Jiang X,Wang Y,Qiu W,Huang C,Liu Z,Ding T,Shi D,Li Xdoi
10.1097/TP.0000000000002681subject
Has Abstractpub_date
2019-06-01 00:00:00pages
e172-e179issue
6eissn
0041-1337issn
1534-6080journal_volume
103pub_type
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