Outcomes of viscocanalostomy and phaco-viscocanalostomy in patients with advanced glaucoma

Tsagkataki, Myrto, Bampouras, Theodoros ORCID: https://orcid.org/0000-0002-8991-4655 and Choudhary, Anshoo ORCID: https://orcid.org/0000-0002-3055-4448 (2018) Outcomes of viscocanalostomy and phaco-viscocanalostomy in patients with advanced glaucoma. Graefe's Archive for Clinical and Experimental Ophthalmology, 256 (8). pp. 1481-1487.

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Abstract

Purpose: To determine the medium-term outcomes for patients with advanced glaucoma undergoing viscocanalostomy.

Methods: All patients with advanced glaucoma (Mean Deviation -12.00 dB or above) and patients with poor visual acuity secondary to advanced glaucoma which precluded formal visual-field assessment undergoing viscocanalostomy (VC) and phaco-viscocanalostomy between 2010 and 2014 under the care of a single surgical team were included. Intraocular pressure (IOP), visual acuity and visual field outcomes were assessed from data prospectively collected into a surgical outcome database. Success was defined at two IOP cut-off points: IOP ≤ 21mmHg and ≤ 16 mmHg with (qualified) or without (complete) medications.

Results: 135 patients were included. Mean IOP changed from 23.6 ± 6.4 mmHg pre-operatively to 15.3, 15.8 and 14.8 mmHg between 1 and 3 years, a change of 35%, 33.5% and 39% respectively. Qualified success for an IOP ≤ 21mmHg was achieved in 95.66% at year 1, 90.6% at year 2 and 80% at year 3. Qualified success for an IOP ≤ 16 mmHg was achieved in 66.6% at year 1, 66.05% at year 2 and 60% at year 3. The cumulative probability for achieving an IOP ≤ 21mmHg with or without drops was 86.1, 81.4 and 81.4% at 12, 24 and 36 months. During the follow up period 11 patients (8%) failed to achieve adequate IOP control and needed further surgical intervention. Eleven (8.1%) patients needed an intervention (Yag goniopuncture) following viscocanalostomy. Four patients (2.9%) had some post-operative complication, which resolved within two weeks following surgery. Nine patients (6.7%) lost more than 2 Snellen lines. There was no significant change in the MD across time points.

Conclusion: Viscocanalostomy is a safe and effective method of controlling IOP in the medium-term in patients with advanced glaucoma.

Item Type:	Article
Journal / Publication Title:	Graefe's Archive for Clinical and Experimental Ophthalmology
Publisher:	Springer Verlag
ISSN:	1435-702X
Departments:	Academic Departments > Medical & Sport Sciences (MSS) > Health and Medical Sciences
Additional Information:	This article is distributed under the terms of the Creative Commons Attribution 4.0 International License (http://creativecommons.org/licenses/by/4.0/).
Depositing User:	Theodoros Bampouras
Date Deposited:	10 May 2018 12:36
Last Modified:	12 Jan 2024 20:17
URI:	https://insight.cumbria.ac.uk/id/eprint/3801

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