Long-term results of Molteno implant insertion in cases of chronic angle closure glaucoma

Authors: Deokule, Sunil P¹; Molteno, Anthony CB; Bevin, Tui H²; Herbison, Peter³

Source: Clinical & Experimental Ophthalmology, Volume 35, Number 6, August 2007 , pp. 514-519(6)

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Abstract:

Background:

This study was undertaken to provide data on the long-term results of cases of chronic angle closure glaucoma with additional risk factors treated by Molteno implants between 1985 and 2004 at Dunedin Hospital, New Zealand. Methods:

A prospective non-comparative case series followed 21 eyes (17 patients) for a mean of 5.7 years (range 1.3-16.3 years) in terms of intraocular pressure, visual acuity and subsequent procedures. Results:

Insertion of a Molteno implant has controlled the intraocular pressure at 21 mmHg or less in 100% of cases at 5 years after surgery, the probability of control being 0.95 (95% CI 0.91-0.99). The mean number of hypotensive medications reduced from 2.04 (SD 0.92) preoperatively to 1.40, 0.64 and 0.66 at 1, 2 and 5 years, respectively. The mean visual acuity improved from 6/18 preoperatively to 6/12 at 1 year and declined to 6/13.5 at 2 and 5 years. Conclusion:

Insertion of Molteno implants was a safe and effective procedure in the management of complex cases of chronic angle closure glaucoma.

Keywords: angle closure glaucoma; glaucoma drainage implant; Molteno implant

Document Type: Research article

DOI: http://dx.doi.org/10.1111/j.1442-9071.2007.01530.x

Affiliations: 1: Eye Department, Dunedin Hospital, 2: Section of Ophthalmology, Department of Medical and Surgical Sciences, University of Otago Dunedin School of Medicine, and 3: Department of Preventive and Social Medicine, University of Otago Dunedin School of Medicine, Dunedin, New Zealand

Publication date: 2007-08-01