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- Title
Seasonal and circadian variation in presentation of cats with congestive heart failure.
- Authors
Pelosi, Augusta; Rush, John E.; Freeman, Lisa M.; Farabaugh, Andrew E.
- Abstract
Objective To determine if cats with congestive heart failure (CHF) are presented to a referral clinic more frequently during different seasons, months, days, or times. Design Retrospective study. Setting University small animal hospital. Animals One hundred and eighty-six cats with CHF. Interventions None. Measurements and Main Results The medical records of 186 cats, presented for 238 episodes of CHF between July 1, 1997 and June 30, 2002, were reviewed. An episode of CHF was defined as documented clinical evidence of pulmonary edema, pleural effusion, pericardial effusion, or ascites attributed to a cardiac origin by a board-certified cardiologist. Chi-square tests revealed statistically significant differences in presentation between different days of the week, with Thursday being the most common day, and between different hours of the day, with the peak between 10am to 4pm. Evaluation of presentation for CHF by season of the year identified more cats in December, January, and February although this did not achieve statistical significance. No significant difference was identified for presentation based on the day of the month or the month of the year. Conclusions In this population of cats, there was daily, weekly and, possibly, seasonal variation in the frequency of presentation of cats with CHF. Additional studies are warranted to confirm these findings and to determine the cause for these differences.
- Subjects
CONGESTIVE heart failure; HEART diseases &; the environment; CAT diseases; HEART disease research; SEASONAL variations of diseases
- Publication
Journal of Veterinary Emergency & Critical Care, 2008, Vol 18, Issue 6, p626
- ISSN
1479-3261
- Publication type
Article
- DOI
10.1111/j.1476-4431.2008.00371.x