Factors associated with fluctuations in repeated measurements of intraocular pressure using the Goldmann applanation tonometer in Japanese patients with primary open-angle glaucoma

Kiyoshi Yaoeda,1,2 Atsushi Fukushima,1 Motohiro Shirakashi,3 Atsushi Miki,4 Takeo Fukuchi2 1Department of Ophthalmology, Yaoeda Eye Clinic, Nagaoka, Niigata, Japan; 2Division of Ophthalmology and Visual Sciences, Niigata University Graduate School of Medical and Dental Sciences, Niigata, Niigata, J...

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Autores principales:	Yaoeda K, Fukushima A, Shirakashi M, Miki A, Fukuchi T
Formato:	article
Lenguaje:	EN
Publicado:	Dove Medical Press 2018
Materias:	Goldmann applanation tonometer measurement order right and left eyes glaucoma intraocular pressure Ophthalmology RE1-994
Acceso en línea:	https://doaj.org/article/506875289ff44ab2841ca9239c741122
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spelling	oai:doaj.org-article:506875289ff44ab2841ca9239c7411222021-12-02T05:16:25ZFactors associated with fluctuations in repeated measurements of intraocular pressure using the Goldmann applanation tonometer in Japanese patients with primary open-angle glaucoma1177-5483https://doaj.org/article/506875289ff44ab2841ca9239c7411222018-08-01T00:00:00Zhttps://www.dovepress.com/factors-associated-with-fluctuations-in-repeated-measurements-of-intra-peer-reviewed-article-OPTHhttps://doaj.org/toc/1177-5483Kiyoshi Yaoeda,1,2 Atsushi Fukushima,1 Motohiro Shirakashi,3 Atsushi Miki,4 Takeo Fukuchi2 1Department of Ophthalmology, Yaoeda Eye Clinic, Nagaoka, Niigata, Japan; 2Division of Ophthalmology and Visual Sciences, Niigata University Graduate School of Medical and Dental Sciences, Niigata, Niigata, Japan; 3Department of Ophthalmology, Kido Eye Clinic, Niigata, Niigata, Japan; 4Department of Ophthalmology, Kawasaki Medical School, Kurashiki, Okayama, Japan Purpose: The aim of this study was to determine whether fluctuations in intraocular pressure (IOP) occur as a result of the order of IOP measurements or successive IOP measurements in patients with glaucoma and, if so, identify the factors causing these fluctuations.Patients and methods: Four hundred twenty-eight eyes of 214 Japanese patients with primary open-angle glaucoma (POAG) were enrolled. Patients treated with beta-blockers or prostaglandin analogs alone were included. Additionally, in the IOP measurements by noncontact tonometer, the same cases of IOP of the right and left eyes prior to this study were included in this study. Four successive IOP measurements were carried out using a Goldmann applanation tonometer as follows: IOP was measured in the first eye (right or left) and then in the fellow eye and IOP was again measured in the first eye and then in the fellow eye. Repeated-measures analysis of variance was used to test the differences in IOP between successive measurements. Generalized linear mixed models were used to test differences in IOP measurements between the right and the left eyes on repeated applanation tonometry and according to the order of measurement. Conditional binomial logistic regression analysis was used to identify factors associated with fluctuating repeated applanation tonometry measurements. A P-value of <0.05 was considered statistically significant.Results: IOP values decreased significantly according to the number of measurements (13.8–13.0; P<0.001–0.036, respectively). There was no significant difference in IOP measurements between the right and left eyes. The first IOP measurement was significantly higher than the fourth measurement (P=0.038); however, there was no significant difference between other combinations. The use of a prostaglandin analog was the only significant contributor to fluctuating IOP measurements (P=0.002).Conclusion: IOP measured in the first eye, either right or left, was higher than that measured in the fellow eye in Japanese patients with POAG. The use of a prostaglandin analog may be associated with fluctuating IOP on repeated applanation tonometry. Keywords: Goldmann applanation tonometer, measurement order, right and left eyes, glaucoma, intraocular pressure Yaoeda KFukushima AShirakashi MMiki AFukuchi TDove Medical PressarticleGoldmann applanation tonometermeasurement orderright and left eyesglaucomaintraocular pressureOphthalmologyRE1-994ENClinical Ophthalmology, Vol Volume 12, Pp 1473-1478 (2018)
institution	DOAJ
collection	DOAJ
language	EN
topic	Goldmann applanation tonometer measurement order right and left eyes glaucoma intraocular pressure Ophthalmology RE1-994
spellingShingle	Goldmann applanation tonometer measurement order right and left eyes glaucoma intraocular pressure Ophthalmology RE1-994 Yaoeda K Fukushima A Shirakashi M Miki A Fukuchi T Factors associated with fluctuations in repeated measurements of intraocular pressure using the Goldmann applanation tonometer in Japanese patients with primary open-angle glaucoma
description	Kiyoshi Yaoeda,1,2 Atsushi Fukushima,1 Motohiro Shirakashi,3 Atsushi Miki,4 Takeo Fukuchi2 1Department of Ophthalmology, Yaoeda Eye Clinic, Nagaoka, Niigata, Japan; 2Division of Ophthalmology and Visual Sciences, Niigata University Graduate School of Medical and Dental Sciences, Niigata, Niigata, Japan; 3Department of Ophthalmology, Kido Eye Clinic, Niigata, Niigata, Japan; 4Department of Ophthalmology, Kawasaki Medical School, Kurashiki, Okayama, Japan Purpose: The aim of this study was to determine whether fluctuations in intraocular pressure (IOP) occur as a result of the order of IOP measurements or successive IOP measurements in patients with glaucoma and, if so, identify the factors causing these fluctuations.Patients and methods: Four hundred twenty-eight eyes of 214 Japanese patients with primary open-angle glaucoma (POAG) were enrolled. Patients treated with beta-blockers or prostaglandin analogs alone were included. Additionally, in the IOP measurements by noncontact tonometer, the same cases of IOP of the right and left eyes prior to this study were included in this study. Four successive IOP measurements were carried out using a Goldmann applanation tonometer as follows: IOP was measured in the first eye (right or left) and then in the fellow eye and IOP was again measured in the first eye and then in the fellow eye. Repeated-measures analysis of variance was used to test the differences in IOP between successive measurements. Generalized linear mixed models were used to test differences in IOP measurements between the right and the left eyes on repeated applanation tonometry and according to the order of measurement. Conditional binomial logistic regression analysis was used to identify factors associated with fluctuating repeated applanation tonometry measurements. A P-value of <0.05 was considered statistically significant.Results: IOP values decreased significantly according to the number of measurements (13.8–13.0; P<0.001–0.036, respectively). There was no significant difference in IOP measurements between the right and left eyes. The first IOP measurement was significantly higher than the fourth measurement (P=0.038); however, there was no significant difference between other combinations. The use of a prostaglandin analog was the only significant contributor to fluctuating IOP measurements (P=0.002).Conclusion: IOP measured in the first eye, either right or left, was higher than that measured in the fellow eye in Japanese patients with POAG. The use of a prostaglandin analog may be associated with fluctuating IOP on repeated applanation tonometry. Keywords: Goldmann applanation tonometer, measurement order, right and left eyes, glaucoma, intraocular pressure
format	article
author	Yaoeda K Fukushima A Shirakashi M Miki A Fukuchi T
author_facet	Yaoeda K Fukushima A Shirakashi M Miki A Fukuchi T
author_sort	Yaoeda K
title	Factors associated with fluctuations in repeated measurements of intraocular pressure using the Goldmann applanation tonometer in Japanese patients with primary open-angle glaucoma
title_short	Factors associated with fluctuations in repeated measurements of intraocular pressure using the Goldmann applanation tonometer in Japanese patients with primary open-angle glaucoma
title_full	Factors associated with fluctuations in repeated measurements of intraocular pressure using the Goldmann applanation tonometer in Japanese patients with primary open-angle glaucoma
title_fullStr	Factors associated with fluctuations in repeated measurements of intraocular pressure using the Goldmann applanation tonometer in Japanese patients with primary open-angle glaucoma
title_full_unstemmed	Factors associated with fluctuations in repeated measurements of intraocular pressure using the Goldmann applanation tonometer in Japanese patients with primary open-angle glaucoma
title_sort	factors associated with fluctuations in repeated measurements of intraocular pressure using the goldmann applanation tonometer in japanese patients with primary open-angle glaucoma
publisher	Dove Medical Press
publishDate	2018
url	https://doaj.org/article/506875289ff44ab2841ca9239c741122
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Factors associated with fluctuations in repeated measurements of intraocular pressure using the Goldmann applanation tonometer in Japanese patients with primary open-angle glaucoma

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