Viscocanalostomy versus trabeculectomy in patients with bilateral high-tension glaucoma

Results of trabeculectomy (TE) and viscocanalostomy (VCO) were compared in a prospective randomised study in two fellow eyes of 22 consecutive patients with bilateral symmetrical high-tension glaucoma. Rates of overall surgical success with intraocular pressures (IOP) < or = 18 mm Hg with or with...

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Bibliographic Details
Published in:International ophthalmology 2004-07, Vol.25 (4), p.207-213
Main Authors: Yarangümeli, Alper, Güreser, Serkan, Köz, Ozlem Gürbüz, Elhan, Atilla Halil, Kural, Gülcan
Format: Article
Language:English
Subjects:
Adult
Aged
Blister - epidemiology
Blister - etiology
Cataract - physiopathology
Conjunctival Diseases - epidemiology
Conjunctival Diseases - etiology
Disease Progression
Female
Filtering Surgery - adverse effects
Filtering Surgery - methods
Glaucoma
Glaucoma - physiopathology
Glaucoma - surgery
Humans
Incidence
Intraocular Pressure
Male
Middle Aged
Postoperative Period
Sclera - surgery
Trabeculectomy - adverse effects
Treatment Outcome
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Summary:Results of trabeculectomy (TE) and viscocanalostomy (VCO) were compared in a prospective randomised study in two fellow eyes of 22 consecutive patients with bilateral symmetrical high-tension glaucoma. Rates of overall surgical success with intraocular pressures (IOP) < or = 18 mm Hg with or without medications were 91 for the TE, and 95 for the VCO group after a mean follow-up of 18 months. Complete success rates without medications were 64 and 59 for TE and VCO groups, respectively (p = 0.750). Both procedures significantly reduced IOP, however, IOP course following trabeculectomy was significantly lower (p = 0.026). Rates of complications were not found to be different between the two groups of eyes, except for an apparent--though not significant (p = 0.066)--increase in cataract progression with TE. Various types of conjunctival blebs were detected in all eyes with surgical success in both groups, however, diffuse, elevated or multi-cystic functional blebs appeared to be more predominant in eyes with TE, compared to the VCO group in which low-lying, localised blebs had a higher incidence (p = 0.015). Viscocanalostomy was found to be a safe and effective filtration technique in patients with uncomplicated high-tension glaucoma, though IOP decrease was more pronounced with trabeculectomy.
ISSN:0165-5701
1573-2630
DOI:10.1007/s10792-004-6741-7