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Combined PK, posterior chamber IOL implantation may have some postop complications

Cornea. 2009;28(7):741-746.

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Combined penetrating keratoplasty and scleral-sutured posterior chamber IOL implantation can be successful, but it may also have serious complications, a study showed.

The retrospective study involved a review of medical records from 105 eyes of 105 patients who underwent PK in combination with scleral-sutured posterior chamber IOL implantation over a period of 13 years.

Primary outcome measures were graft survival rates, visual acuity, and complications during and after surgery. The main indications for PK were pseudophakic and aphakic corneal edema. The mean postoperative follow-up interval was 44.8 months (range, 1 month to 156 months).

Study results showed graft survival rates of 97% at 1 year, 91% at 2 years, 75% at 5 years and 68% at 7 years.

Snellen best corrected visual acuity improved by one line or more in 59% of patients; 42.9% of eyes attained BCVA of 20/100 or better.

Postoperative complications were new glaucoma (21.4% of eyes), increased severity of pre-existing glaucoma (28.6%), cystoid macular edema (17%), infectious endophthalmitis (3.8%) and IOL dislocation (1.9%).

No cases involved intraoperative complications, the authors said.