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

Tsagkataki, M. and Bampouras, T. M. and Choudhary, A. (2018) Outcomes of viscocanalostomy and phaco-viscocanalostomy in patients with advanced glaucoma. Graefes Archive for Clinical and Experimental Ophthalmology, 256 (8). pp. 1481-1487. ISSN 0721-832X

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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 (MD) − 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 phacoviscocanalostomy between 2010 and 2014 under the care of a single surgical team were included. Intraocular pressure (IOP), visual acuity (VA) 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 ≤ 21 and ≤ 16 mmHg with (qualified) or without (complete) medications. Results One hundred thirty-five patients were included. Mean IOP changed from 23.6 ± 6.4 mmHg pre-operatively to 15.3, 15.8 and 14.8 mmHg at 1, 2 and 3 years, a change of 35, 33.5 and 39% respectively. Qualified success for an IOP ≤ 21 mmHg was achieved in 95.66, 90.6 and 80% and complete success in 52.5, 48.6 and 30.6% at year 1, 2 and 3. Qualified success for an IOP ≤ 16 mmHg was achieved in 66.6, 66.05 and 60% and complete success in 44.8, 37.6 and 30.6% at year 1, 2 and 3. The cumulative probability for achieving an IOP ≤ 21 mmHg with or without drops was 86.1, 81.4 and 81.4% at 12, 24 and 36 months. Eleven patients (8.1%) failed to achieve adequate IOP control and needed further surgical intervention. Eleven (8.1%) patients needed an intervention (Yag goniopuncture) following VC. Four patients (2.9%) had some post-operative complications, which resolved within 2 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 and viscocanalostomy combined with phacoemulsification is a safe and effective method of controlling IOP in the medium term in patients with advanced glaucoma.

Item Type:
Journal Article
Journal or Publication Title:
Graefes Archive for Clinical and Experimental Ophthalmology
Uncontrolled Keywords:
/dk/atira/pure/subjectarea/asjc/2800/2809
Subjects:
ID Code:
127561
Deposited By:
Deposited On:
25 Sep 2018 08:52
Refereed?:
Yes
Published?:
Published
Last Modified:
15 Jul 2020 08:21