Retinal complications after aqueous shunt surgical procedures for glaucoma

Simon K. Law, Jeffrey W. Kalenak, Thomas B. Connor, Jose S. Pulido, Dennis P. Han, William F. Mieler

Research output: Contribution to journalArticlepeer-review

70 Scopus citations

Abstract

Objectives: To assess retinal complications and to identify risk factors for retinal complications following aqueous shunt procedures. Materials and Methods: Records of 38 consecutive aqueous shunt procedures that were performed on 36 patients at the Eye Institute of the Medical College of Wisconsin, Milwaukee, from June 1993 to March 1995 (minimum follow-up, 6 months) were reviewed. The mean±SD follow-up was 11.4±5.2 months (median, 10.5 months). Results: Twelve patients (32%) had the following retinal complications: 4 serous choroidal effusions (10%) that required drainage, 3 suprachoroidal hemorrhages (8%), 2 vitreous hemorrhages (5%), 1 rhegmatogenous retinal detachment (3%), 1 endophthalmitis (3%), and 1 scleral buckling extrusion (3%). Surgical procedures for retinal complications were required in 8 (67%) of these 12 patients. Visual acuity decreased 2 lines or more in 9 (75%) of these 12 patients. The median onset of a postoperative retinal complication was 12.5 days, with 10 patients (83%) experiencing complications within 35 days. Serous choroidal effusions developed in 10 other patients (26%), and these effusions resolved spontaneously. Visual acuity decreased 2 lines or more in 2 (20%) of these additional 10 patients. Patients who experienced serious retinal complications were significantly older, had a higher rate of hypertension, and postoperative ocular hypotony. Serious retinal complications were distributed evenly among patients with Krupin valves with discs and Molteno and Baerveldt devices. Experience with the Ahmed glaucoma valve implant was limited. Conclusion: Aqueous shunt procedures may be associated with significant retinal complications and subsequent visual loss.

Original languageEnglish (US)
Pages (from-to)1473-1480
Number of pages8
JournalArchives of ophthalmology
Volume114
Issue number12
DOIs
StatePublished - Dec 1996

ASJC Scopus subject areas

  • Ophthalmology

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