INCREASE OF INTRAOCULAR PRESSURE AFTER KERATOPLASTY
C. Redbrake, O. Arend
In literature, the incidence of glaucoma after keratoplasty has been described to arise between 18 to 46%. As well as immunoreaction and surface problems, increased intraocular pressure may lead to a decompensation of the transplant.
Material and methods: 75 patients were prospectively followed up for up to 5 years. In all cases intraocular pressure was normal at time of transplantation. We looked for the following parameters: number of patients and time of appearance of postoperative glaucoma, risk factors (e.g. preoperative glaucoma) and changes of the anterior segment (e.g. synechiae, aphakia)
Results: In 22 of 75 patients a postoperative increase of intraocular pressure occured. The mean follow-up of these patients was 22,4 months. Glaucoma of the early postoperative period were observed in 13 patients, 5 of them became chronical. Eight of the 22 patients who showed postoperative elavation in IOP already had a glaucoma history preoperatively. In 14 of 75 cases anterior synechiae were seen, but only 6 of them showed an increase in IOP. Ten of the 22 patients also were aphacic.
Conclusion: The regulation of IOP is most important prior to keratoplasty. Postoperative glaucoma often relays on many factors and should be looked at and treated individually.
Department of Ophthalmology, RWTH Aachen, Pauwelsstr. 30, 52057 Aachen