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Analysis of Intraoperative and Postoperative Complications in Pseudoexfoliation Eyes Undergoing Cataract Surgery
B C Hemalatha1, Sathyendranath B Shetty2
1Assistant Professor, Department of Ophthalmology, MS Ramaiah Medical College , Bangalore, Karnataka, India .
Introduction:
Pseudoexfoliation (PXE) is a genetically inherited condition affecting usually seen in those aged over 50 years. Surgical management of cataract in patients with PXE pose a challenge due to associated changes in ocular structures.
Aim:
To study the challenges in the management of cataract in patients with PXE.
Materials And Methods:
This was an interventional study conducted in the Ophthalmology Department of MS Ramaiah Medical College and Memorial Hospital, Bangalore from June 2012 to September 2014. All patients admitted for cataract surgery during this period who were diagnosed as cataract associated with PXE above 50 years of age belonging to either sex were included in the study. All patients underwent cataract surgery with intraocular lens implantation. Depending on type of cataract both small incision and phacoemulsification operations were conducted. Intraoperative and postoperative complications were studied. The patients were reviewed up to 6 weeks postoperatively.
Results:
A total of 50 eyes of 50 patients diagnosed as cataract with PXE underwent cataract surgery. Of which 40 eyes (80%) underwent small incision cataract surgery whereas, 10 (20%) underwent phacoemusification. Corneal thinning (<535 microns) was noted in majority of the cases (41 cases). Preoperatively there were 3 cases of zonular weakness. Pseudo exfoliation with glaucoma was seen in 5 cases. Intraoperative complications encountered during surgery were; zonular dialysis in 3 cases, posterior capsular tear in 2 cases, out of these 5 cases vitreous loss was seen in 3 cases. Postoperative complications were corneal odema in 17 cases, of which endothelium de-compensated in one case, while early posterior capsular opacification was seen in 6 cases. Final best corrected visual acuity was between 6/6-6/12 in 39(78%) eyes, 6/18 -6/36 in 6(12%) cases; 6/60 to less in 5(10%) cases.
Conclusion:
Cataract surgery in eyes with PXE has higher incidence of intraoperative and postoperative complications. A complete preoperative workup helps reduce intraoperative complications and maximises the postoperative results. As corneal thinning is more common a pre-operative pachymetry is desirable to prevent underdiagnoses of glaucoma.
