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Acetylsalicylic acid does not reduce the intraocular pressure variation in ocular hypertension or glaucoma
Umeå University, Faculty of Medicine, Department of Clinical Sciences, Ophthalmology.
Department of Neuroscience, Ophthalmology, Uppsala University.
2000 (English)In: Experimental Eye Research, ISSN 0014-4835, E-ISSN 1096-0007, Vol. 70, no 3, 281-283 p.Article in journal (Refereed) Published
Abstract [en]

The purpose of this study was to measure if intraocular pressure (IOP) and IOP variations in patients with ocular hypertension and glaucoma are decreased by acetylsalicylic acid (ASA). The hypothesis to be tested was that short-term fluctuations in the IOP are caused by breaks of the inner wall of Schlemm's canal that are repaired by platelets inducing a cycle of breaks and repair. Furthermore, prostaglandins affect uveoscleral outflow and ASA inhibits prostaglandin biosynthesis and platelet aggregation. This implies that ASA may have complex effects on the IOP and its variations.In 28 patients with ocular hypertension or glaucoma the IOP was measured seven times during 2 hr on two succeeding days. Five hundred mg ASA or placebo was administrated orally in a masked fashion 15 hr prior to the second session. After wash-out, this procedure was repeated with a cross-over design. The same study outline was used in 28 glaucoma patients except for the cross-over design. There were no statistically significant differences in the mean IOP or in the IOP variations between the placebo treated and the ASA treated eyes in either group, and there were no significant differences between the day before and after treatment in any group. The results suggest that ASA does not affect IOP variations in a clinically significant way and that a single dose of ASA has no significant effect on mean IOP.

Place, publisher, year, edition, pages
2000. Vol. 70, no 3, 281-283 p.
Keyword [en]
acetylsalicylic acid, intraocular pressure, intraocular pressure variation, prostaglandins, platelets, glaucoma, human
National Category
Research subject
URN: urn:nbn:se:umu:diva-34342DOI: 10.1006/exer.1999.0786PubMedID: 10712814Local ID: 744OAI: diva2:320726
Available from: 2010-05-26 Created: 2010-05-26 Last updated: 2010-09-10Bibliographically approved

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