Tenon Cyst Patch Graft for Ahmed Glaucoma Valve Tube Exposure: Case Series Report.

PURPOSE

To report our experience using a Tenon cyst autograft in the management of tube exposure post Ahmed glaucoma valve (AGV) implantation.

METHODS

This is a retrospective case series.

RESULTS

Four patients who underwent tube exposure repair using Tenon cyst autograft were identified in our tertiary care center. The duration between initial AGV implantation and tube exposure ranged between 3 and 36 months with a mean of 16 months (±14.35 mo). All patients were followed postoperatively for a range of 4 to 24 months with a mean of 11.75 months (±9.03 o) and all remain exposure free at last follow-up.

CONCLUSION

The use of a Tenon cyst autograft for the surgical repair of a tube exposure is valuable, as it involves using autologous scar tissue that is available in eyes that have undergone AGV implantation. The patch autograft is technically easy to harvest, and represents a significantly lower cost when compared with other available options.