Document Detail

Intraocular pressure measurements obtained as part of a comprehensive geriatric health examination from cats seven years of age or older.
MedLine Citation:
PMID:  11724179     Owner:  NLM     Status:  MEDLINE    
OBJECTIVE: To determine intraocular pressure (IOP) in cats > or = 7 years of age undergoing a routine comprehensive geriatric health examination. DESIGN: Prospective study. ANIMALS: 538 cats (1,068 eyes). PROCEDURE: IOP was measured by applanation tonometry following instillation of 0.5% proparacaine. RESULTS: Mean +/- SD IOP for all eyes was 12.3 +/- 4.0 mm Hg (range, 4 to 31 mm Hg). Mean age was 12.3 +/- 2.9 years. Intraocular pressure did not vary significantly cross-sectionally with age. However, in 78 cats, IOP was measured more than once, and follow-up measurements were significantly less than initial measurements (mean time between measurements, 9.4 +/- 3.0 months). The most useful tonometric criteria for identifying ocular abnormalities on the basis of IOP was an IOP > or = 25 mm Hg (mean + 3 SD) or a difference in IOP between eyes > or = 12 mm Hg. Eight cats met these criteria, and 5 of these cats had ophthalmic abnormalities. Low IOP was a nonspecific indicator of the presence of ocular abnormalities, as 111 cats had an IOP < or = 8 mm Hg, but only 2 had uveitis. CONCLUSIONS AND CLINICAL RELEVANCE: Results suggest that IOP measurements can be a useful addition to a comprehensive geriatric health examination in cats > or = 7 years of age, especially when combined with an ophthalmic examination. Cats without ocular abnormalities that have lOP > or = 25 mm Hg or a > or = 12 mm Hg difference in IOP between eyes should have tonometry repeated or be referred to an ophthalmologist for further evaluation before beginning antiglaucoma treatment.
M M Kroll; P E Miller; I Rodan
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Publication Detail:
Type:  Journal Article; Research Support, Non-U.S. Gov't    
Journal Detail:
Title:  Journal of the American Veterinary Medical Association     Volume:  219     ISSN:  0003-1488     ISO Abbreviation:  J. Am. Vet. Med. Assoc.     Publication Date:  2001 Nov 
Date Detail:
Created Date:  2001-11-28     Completed Date:  2002-04-05     Revised Date:  2006-11-15    
Medline Journal Info:
Nlm Unique ID:  7503067     Medline TA:  J Am Vet Med Assoc     Country:  United States    
Other Details:
Languages:  eng     Pagination:  1406-10     Citation Subset:  IM    
Cat Care Clinic, Madison, WI 53705, USA.
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MeSH Terms
Aging / physiology
Cat Diseases / diagnosis*
Eye Diseases / diagnosis,  veterinary
Geriatric Assessment
Glaucoma / prevention & control,  veterinary
Intraocular Pressure* / physiology
Ocular Hypertension / diagnosis,  veterinary*
Prospective Studies
Reference Values
Tonometry, Ocular / methods,  veterinary

From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine

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