The Outcomes of Trabectome Surgery in Patients with Low, Middle, and High Preoperative Intraocular Pressure

Naoki Tojo, Atsushi Hayashi Department of Ophthalmology, Graduate School of Medicine and Pharmaceutical Sciences, University of Toyama, Toyama, JapanCorrespondence: Atsushi HayashiDepartment of Ophthalmology, Graduate School of Medicine and Pharmaceutical Sciences, University of Toyama, 2630 Sugitan...

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Autores principales:	Tojo N, Hayashi A
Formato:	article
Lenguaje:	EN
Publicado:	Dove Medical Press 2020
Materias:	trabectome surgical outcome intraocular pressure factor preoperative iop Ophthalmology RE1-994
Acceso en línea:	https://doaj.org/article/2935dcc254774461861010d035b87c1a
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spelling	oai:doaj.org-article:2935dcc254774461861010d035b87c1a2021-12-02T13:02:38ZThe Outcomes of Trabectome Surgery in Patients with Low, Middle, and High Preoperative Intraocular Pressure1177-5483https://doaj.org/article/2935dcc254774461861010d035b87c1a2020-11-01T00:00:00Zhttps://www.dovepress.com/the-outcomes-of-trabectome-surgery-in-patients-with-low-middle-and-hig-peer-reviewed-article-OPTHhttps://doaj.org/toc/1177-5483Naoki Tojo, Atsushi Hayashi Department of Ophthalmology, Graduate School of Medicine and Pharmaceutical Sciences, University of Toyama, Toyama, JapanCorrespondence: Atsushi HayashiDepartment of Ophthalmology, Graduate School of Medicine and Pharmaceutical Sciences, University of Toyama, 2630 Sugitani, Toyama 930-0194, JapanTel +81-76-434-7363Fax +81-76-434-5037Email ahayashi@med.u-toyama.ac.jpBackground: We compared the efficiency of trabectome surgery for patients with differing preoperative intraocular pressure (IOP) values in a single-facility retrospective study. We evaluated surgical outcomes based on three grades of preoperative IOP: high (hi-IOP, > 26 mmHg), middle (mid-IOP, 18– 26 mmHg), and low (lo-IOP, < 18 mmHg).Patients and Methods: We analyzed the cases of 204 eyes that underwent trabectome surgery and were followed > 2 years. We defined failure as a reduction of IOP < 20% or requiring additional glaucoma surgery. We used 4 cutoff values > 21, > 18, > 15, and > 12 mmHg. Other factors that may affect surgical outcomes were also investigated: age, central corneal thickness (CCT), history of selective laser trabeculotrabculoplasty (SLT), preoperative visual field, and simultaneous cataract surgery.Results: Trabectome surgeries significantly decreased the IOP values from 23.0 ±  7.2 mmHg to 13.6 ±  3.6 mmHg at 2 years post-surgery. The mid-IOP group achieved significantly better surgical outcomes than the lo-IOP and hi-IOP groups with cutoff values 21, 18, and 15 mmHg. A thin CCT and simultaneous cataract surgery were significantly related to better surgical outcomes with cutoff value 21.18 and 15 mmHg.Conclusion: For the patients with preoperative IOP < 18 mmHg, it was difficult to decrease their IOP > 20% with trabectome surgery. Patients with preoperative IOP values > 26 mmHg often required additional glaucoma surgery.Keywords: trabectome, surgical outcome, intraocular pressure, factor, preoperative IOPTojo NHayashi ADove Medical Pressarticletrabectomesurgical outcomeintraocular pressurefactorpreoperative iopOphthalmologyRE1-994ENClinical Ophthalmology, Vol Volume 14, Pp 4099-4108 (2020)
institution	DOAJ
collection	DOAJ
language	EN
topic	trabectome surgical outcome intraocular pressure factor preoperative iop Ophthalmology RE1-994
spellingShingle	trabectome surgical outcome intraocular pressure factor preoperative iop Ophthalmology RE1-994 Tojo N Hayashi A The Outcomes of Trabectome Surgery in Patients with Low, Middle, and High Preoperative Intraocular Pressure
description	Naoki Tojo, Atsushi Hayashi Department of Ophthalmology, Graduate School of Medicine and Pharmaceutical Sciences, University of Toyama, Toyama, JapanCorrespondence: Atsushi HayashiDepartment of Ophthalmology, Graduate School of Medicine and Pharmaceutical Sciences, University of Toyama, 2630 Sugitani, Toyama 930-0194, JapanTel +81-76-434-7363Fax +81-76-434-5037Email ahayashi@med.u-toyama.ac.jpBackground: We compared the efficiency of trabectome surgery for patients with differing preoperative intraocular pressure (IOP) values in a single-facility retrospective study. We evaluated surgical outcomes based on three grades of preoperative IOP: high (hi-IOP, > 26 mmHg), middle (mid-IOP, 18– 26 mmHg), and low (lo-IOP, < 18 mmHg).Patients and Methods: We analyzed the cases of 204 eyes that underwent trabectome surgery and were followed > 2 years. We defined failure as a reduction of IOP < 20% or requiring additional glaucoma surgery. We used 4 cutoff values > 21, > 18, > 15, and > 12 mmHg. Other factors that may affect surgical outcomes were also investigated: age, central corneal thickness (CCT), history of selective laser trabeculotrabculoplasty (SLT), preoperative visual field, and simultaneous cataract surgery.Results: Trabectome surgeries significantly decreased the IOP values from 23.0 ±  7.2 mmHg to 13.6 ±  3.6 mmHg at 2 years post-surgery. The mid-IOP group achieved significantly better surgical outcomes than the lo-IOP and hi-IOP groups with cutoff values 21, 18, and 15 mmHg. A thin CCT and simultaneous cataract surgery were significantly related to better surgical outcomes with cutoff value 21.18 and 15 mmHg.Conclusion: For the patients with preoperative IOP < 18 mmHg, it was difficult to decrease their IOP > 20% with trabectome surgery. Patients with preoperative IOP values > 26 mmHg often required additional glaucoma surgery.Keywords: trabectome, surgical outcome, intraocular pressure, factor, preoperative IOP
format	article
author	Tojo N Hayashi A
author_facet	Tojo N Hayashi A
author_sort	Tojo N
title	The Outcomes of Trabectome Surgery in Patients with Low, Middle, and High Preoperative Intraocular Pressure
title_short	The Outcomes of Trabectome Surgery in Patients with Low, Middle, and High Preoperative Intraocular Pressure
title_full	The Outcomes of Trabectome Surgery in Patients with Low, Middle, and High Preoperative Intraocular Pressure
title_fullStr	The Outcomes of Trabectome Surgery in Patients with Low, Middle, and High Preoperative Intraocular Pressure
title_full_unstemmed	The Outcomes of Trabectome Surgery in Patients with Low, Middle, and High Preoperative Intraocular Pressure
title_sort	outcomes of trabectome surgery in patients with low, middle, and high preoperative intraocular pressure
publisher	Dove Medical Press
publishDate	2020
url	https://doaj.org/article/2935dcc254774461861010d035b87c1a
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The Outcomes of Trabectome Surgery in Patients with Low, Middle, and High Preoperative Intraocular Pressure

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