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Risk factors for development of chronic superficial keratitis in dogs
M J Chavkin1, S M Roberts, M D Salman
1Department of Clinical Sciences, College of Veterinary Medicine and Biomedical Sciences, Colorado State University, Fort Collins 80523.
Summary
High altitude is a significant risk factor for chronic superficial keratitis (CSK) in dogs. This canine eye condition is more prevalent in dogs living above 7,000 feet.
Area of Science:
- Veterinary Ophthalmology
- Canine Health
- Environmental Risk Factors
Background:
- Chronic superficial keratitis (CSK) is an ocular condition affecting dogs.
- Understanding the epidemiological factors associated with CSK is crucial for canine health management.
Purpose of the Study:
- To determine the prevalence and risk factors for chronic superficial keratitis (CSK) in dogs.
- To investigate the correlation between CSK and environmental factors, including altitude.
Main Methods:
- Analysis of hospital accession ratios for CSK across 16 US veterinary teaching hospitals (1976-1991).
- Review of medical records from Colorado State University Veterinary Teaching Hospital (1976-1991) for dogs with and without CSK.
- Statistical analysis to identify correlations with environmental factors and demographic data.
Main Results:
- CSK prevalence significantly correlated with altitude of residence (r = 0.90).
- Certain breeds (Belgian Tervuren, German Shepherd, Border Collie, Greyhound, Siberian Husky, Australian Shepherd) were disproportionately affected.
- Dogs aged 4-7 years were more likely to develop CSK. Altitude > 7,000 ft increased risk 7.75-fold.
Conclusions:
- Altitude is a significant risk factor for canine CSK.
- Breed predisposition and age are also associated with CSK development.
- Further research into the mechanisms linking high altitude and CSK is warranted.