| Are diurnal and nocturnal intraocular pressure measurements over 48 h justified? | |
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MedLine Citation:
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PMID: 23354356 Owner: NLM Status: Publisher |
Abstract/OtherAbstract:
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PURPOSE: Diurnal intraocular pressure (IOP) measurements are recommended in cases of visual field deterioration in glaucoma patients. In this study the rationale of 24 h versus 48 h IOP measurements was investigated. PATIENTS AND METHODS: Mean IOP and maximum IOP values were obtained in 80 patients over a period of 48 h. The IOP measurements (Goldmann tonometry) of day 1 and 2 (taken every 4 h) were compared. To reduce interindividual and intraindividual differences of measurements the statistical calculation took a tolerance level of ± 2 mmHg and ± 1 mmHg into account. RESULTS: Maximum IOP measurements were found to differ between 37.5 % and 65.0% respectively for right eyes and 28.8 % and 47.5% respectively for left eyes depending on the measurement tolerance (±2 mmHg or ±1 mmHg) between day 1 and day 2. Mean IOP values were found to differ by 25 % and 51.3 % respectively for right eyes and 26.3 % and 46.3% respectively for left eyes (± 2 or ± 1 mmHg in) between day 1 and day 2. A time-related clustering of extreme deviations could not be found but the maximum values from all patients were found to be roughly equally distributed over daytime and nighttime hours. CONCLUSIONS: Both maximum IOP and mean IOP measurements were found to differ by at least ± 2 or ± 1 mmHg between day 1 and 2 at a significant percentage and the maximum values did not peak at a predictable time point during the 48 h. Therefore, 48 h IOP measurements appear to be more reliable than 24 h measurements. |
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Authors:
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N Fischer; F Weinand; M U Kügler; S Scheel; B Lorenz |
Publication Detail:
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Type: JOURNAL ARTICLE Date: 2013-1-27 |
Journal Detail:
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Title: Der Ophthalmologe : Zeitschrift der Deutschen Ophthalmologischen Gesellschaft Volume: - ISSN: 1433-0423 ISO Abbreviation: Ophthalmologe Publication Date: 2013 Jan |
Date Detail:
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Created Date: 2013-1-28 Completed Date: - Revised Date: - |
Medline Journal Info:
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Nlm Unique ID: 9206148 Medline TA: Ophthalmologe Country: - |
Other Details:
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Languages: GER Pagination: - Citation Subset: - |
Affiliation:
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Klinik und Poliklinik für Augenheilkunde, Justus-Liebig-Universität Gießen, Universitätsklinikum Gießen und Marburg GmbH, Standort Gießen, Friedrichstr. 18, 35392, Gießen, Deutschland. |
Vernacular Title:
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Sinnhaftigkeit von Tages-/Nacht-Augeninnendruckmessungen über 48 h. |
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From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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