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Trabeculectomy with mitomycin C in the treatment of post-traumatic angle recession glaucoma
  1. T Manners,
  2. J F Salmon,
  3. A Barron,
  4. C Willies,
  5. A D N Murray
  1. Department of Ophthalmology, Groote Schuur Hospital, Cape Town, South Africa
  1. Mr J Salmon, Oxford Eye Hospital, Oxford OX2 6HE, UK john.salmon{at}orh.anglox.nhs.uk

Abstract

AIM The presence of traumatic angle recession is a risk factor for failure of glaucoma filtration surgery and a previous study has suggested that antimetabolite treatment should be used in these patients. This study was undertaken to determine for the first time the mid term results of trabeculectomy with intraoperative application of mitomycin C in patients with post-traumatic angle recession glaucoma.

METHODS A retrospective analysis was made of 43 consecutive trabeculectomy procedures in 41 young black/mixed race patients followed for a mean period of 25 months (range 2–66 months). Mitomycin C 0.02% was applied between the sclera and conjunctiva for 1–5 minutes at the time of surgery. The intraocular pressure and visual acuity were measured postoperatively. The success of this technique was analysed by using a Kaplan-Meier cumulative survival curve.

RESULTS The intraocular pressure was successfully controlled at last follow up without topical treatment in 77% (33/43 eyes) and the visual acuity was the same or better in 81% (35/43 eyes). Cumulative probability of success was 85% at 1 year follow up, 81% at 2 years, and 66% at 3 years and thereafter. Hypotonous maculopathy occurred in one patient and no cases of late bleb infection were found.

CONCLUSIONS In medically uncontrolled post-traumatic angle recession glaucoma trabeculectomy with mitomycin C is an effective surgical procedure with an acceptable complication rate. Good intraocular pressure control and preservation of vision can be expected in most patients.

  • trabeculectomy
  • mitomycin C
  • post-traumatic angle recession glaucoma
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