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Abstract #56338 Published in IGR 16-1
Post-penetrating keratoplasty glaucoma management: report of 73 cases
Lajmi H; El Afrit MAJournal Français d'Ophtalmologie 2014; 37: 220-225
PURPOSE: To report our experience in the therapeutic management of post-penetrating keratoplasty glaucoma. INTRODUCTION: Post-penetrating keratoplasty (PK) glaucoma is a true threat to visual prognosis. Therapeutic modalities are many, but the absence of a well-defined decision tree and the variable results of the various techniques renders management very difficult. PATIENTS AND METHODS: This is a retrospective study including 73 eyes of 71 patients undergoing a penetrating keratoplasty. Patients who developed post-operative ocular hypertension were treated first with eye drops. In the case of failure, surgical procedures were recommended including trabeculectomy or glaucoma drainage devices. The intraocular pressure (IOP) assessed with applanation tonometer, side effects and graft failure were monitored. RESULTS: The first medical treatment used for all patients was a betablocker, which allowed control of intraocular pressure in 80.6 % of eyes. Ahmed glaucoma valve was used in two cases with success and without graft failure. Trabeculectomy was necessary for five patients, three of whom developed immunological graft rejection within 6 to 9 months. We also observed that late ocular hypertension was statistically related to anatomic graft failure, independently of other preoperative factors. DISCUSSION AND CONCLUSION: Although hypotensive medication is still the first treatment for ocular hypertension after penetrating keratoplasty, a surgical procedure is sometimes required. Glaucoma drainage devices and trabeculectomy are widely practiced, leading to good outcomes, with the risk of rejection lower in cases involving mitomycin C. Cyclodestructive procedures should be reserved for surgical failures with significant visual loss.
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Classification:
9.4.11.4 Glaucomas associated with corneal surgery (Part of: 9 Clinical forms of glaucomas > 9.4 Glaucomas associated with other ocular and systemic disorders > 9.4.11 Glaucomas following intraocular surgery)
