Tenonplasty: a new surgical approach for the treatment of severe eye burns.

BACKGROUND AND OBJECTIVE

In the acute stage of most severe eye burns, the primary goal is survival of the globe. Initial tissue destruction may lead to extensive necrosis of the conjunctiva and underlying tissue down to the fornices, with resulting ischemia. These circumstances may cause a polymorphonuclear cell response, with resulting corneo-scleral ulceration and early melting of the globe. To reestablish the ocular surface, Tenonplasty was performed as a plastic procedure to reconstruct the conjunctival matrix of the globe up to the limbus.

PATIENTS AND METHODS

Vital Tenon's sheets from the orbital region were prepared and advanced up to the limbus to cover the ischemic or ulcerating sclera with healthy, vascularized tissue. Fifty-nine patients with 75 severely burned eyes were treated with this procedure between 1987 and 1994. A total of 243 Tenon's flaps were prepared.

RESULTS

In all cases, scleral ulcerations were prevented or healed. Epithelialization of the advanced Tenon's sheets was complete within 21 days in 80% of the cases and in all eyes within 54 days. Primary epithelialization of the burned cornea was achieved in approximately 31% of the cases. Fornices were sufficiently deep in about 74%, but severe symblepharon formation occurred in 26% of the cases.

CONCLUSION

Tenonplasty may be an alternative surgical procedure to transplantation of autologous conjunctival or mucous grafts in restoring the conjunctival surface of the globe in severely burned eyes.