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Combined surgery for cataract and glaucoma: phacoemulsification and deep sclerectomy compared with
F Gianoli1, C C Schnyder, E Bovey
1Hôpital Ophtalmique Jules Gonin, University of Lausanne, Switzerland.
Purpose:
To compare the outcome of phacoemulsification-intraocular lens (IOL) implantation combined with nonperforating deep sclerectomy (P-DS) with that of phacoemulsification-IOL implantation combined with trabeculectomy (P-T).
Setting:
Glaucoma Unit, Department of Ophthalmology, University of Lausanne, Switzerland.
Methods:
This prospective study involved 60 eyes of 60 patients with cataract and various types of open-angle glaucoma. Thirty eyes had P-DS and 30, P-T. Follow-up was performed at regular intervals for up to 18 months.
Results:
Mean follow-up was 12.5 months +/- 6.5 (SD) and 12.6 +/- 4.9 months for the P-DS and P-T groups, respectively. Mean preoperative intraocular pressure (IOP) was similar in both groups (24.8 +/- 5.9 mm Hg in the P-DS group and 24.6 +/- 7.2 mm Hg in the P-T group). There was no statistically significant difference in IOP decrease (14.2 +/- 4.0 mm Hg in the P-DS group and 15.2 +/- 2.8 mm Hg in the P-T group). Visual outcome was similar in both groups. The P-DS group experienced significantly less inflammation (40.0% versus 83.0%; P = .0012) and hyphema (6.7% versus 36.7%; P = .010) than the P-T group.
Conclusion:
Deep sclerectomy combined with cataract surgery resulted in an IOP reduction similar to that with phacotrabeculectomy with the same visual outcome, but the lower complication rate makes ambulatory care easier.