| The circadian curve of intraocular pressure: can we estimate its characteristics during office hours? | |
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MedLine Citation:
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PMID: 19117924 Owner: NLM Status: MEDLINE |
Abstract/OtherAbstract:
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PURPOSE: To verify whether office-hour measurements in patients in different body positions can estimate the characteristics of 24-hour intraocular pressure (IOP). METHODS: The 24-hour IOP curves of 29 healthy subjects (10 young adults, 19 elderly) and 30 patients with untreated glaucoma were analyzed. Measurements were taken at 9 AM; 12, 3, 6, and 9 PM; and 12, 3, and 6 AM, both in the supine and sitting (Goldmann tonometer) positions. Peak, mean, and fluctuation of 24-hour IOP curves were compared with office-hour measurements obtained in subjects in the sitting position alone and with combined pressures obtained in the sitting and supine positions (four measurements in each body position from 9 AM to 6 PM). The percentage of subjects with estimates of all IOP parameters within a cutoff of +/-1 (peak and mean) and +/-2 mm Hg (fluctuation) was calculated. RESULTS: Office-hour sitting measurements correctly identified peak, mean, and IOP fluctuation in 10% of the young adults, 32% of the elderly control subjects, and 20% of the patients with glaucoma, whereas the combination of supine and sitting measurements correctly identified them in 30%, 85%, and 46% of cases, respectively. It is noteworthy that office-hour measurements did not characterize any 24-hour parameter in 20% of patients with glaucoma. CONCLUSIONS: Compared with sitting measurements alone, the collection of supine and sitting office-hour measurements may enhance the correct identification of 24-hour IOP characteristics in both control subjects and untreated patients with glaucoma, thus reducing the need for obtaining 24-hour curves to a minority of patients. |
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Authors:
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Paolo Fogagnolo; Nicola Orzalesi; Antonio Ferreras; Luca Rossetti |
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Publication Detail:
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Type: Journal Article Date: 2008-12-30 |
Journal Detail:
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Title: Investigative ophthalmology & visual science Volume: 50 ISSN: 1552-5783 ISO Abbreviation: Invest. Ophthalmol. Vis. Sci. Publication Date: 2009 May |
Date Detail:
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Created Date: 2009-04-23 Completed Date: 2009-05-12 Revised Date: - |
Medline Journal Info:
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Nlm Unique ID: 7703701 Medline TA: Invest Ophthalmol Vis Sci Country: United States |
Other Details:
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Languages: eng Pagination: 2209-15 Citation Subset: IM |
Affiliation:
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G. B. Bietti Foundation-Istituto di Ricovero e Cura a Carattere Scientifico, Rome, Italy. fogagnolopaolo@googlemail.com |
Export Citation:
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| MeSH Terms | |
Descriptor/Qualifier:
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Adult Aged Aging / physiology Circadian Rhythm / physiology* Female Glaucoma, Open-Angle / physiopathology* Humans Intraocular Pressure / physiology* Male Physicians' Offices Posture / physiology Retrospective Studies Tonometry, Ocular |
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