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Authors: Klauss G, Giuliano EA, Moore CP, Stuhr CM, Martin SL, Tyler JW, Fitzgerald KE, Crawford DA
Publications: J Am Vet Med Assoc 2007;230:541-547
Species: Dogs
Diseases: Keratoconjunctivitis Sicca
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OBJECTIVE: To characterize features and response to treatment of keratoconjunctivitis sicca (KCS) associated with oral administration of etodolac in dogs.
DESIGN: Retrospective case series.
SAMPLE POPULATION: 65 cases obtained from a survey of veterinary ophthalmologists (group A) and 146 cases reported to Fort Dodge Animal Health (group B).
PROCEDURES: Data analyzed included breed, sex, age, weight, dose and duration of etodolac administration, results of Schirmer tear test at the time of diagnosis and last follow-up, treatments, and response to treatments. Groups A and B were analyzed separately by use of forward stepwise logistic regression models developed to predict probability of complete remission or clinical improvement as a function of several variables.
RESULTS: Most dogs developed severe KCS (84 eyes of 50 dogs [group A]; 111 eyes of 62 dogs [group B]). Resolution of KCS occurred in 7 of 65 (A) and 23 of 146 (B) dogs. No response to treatment was observed in 26 of 65 (A) and 27 of 146 (B) dogs. Fifty-one (A) and 52 (B) dogs had records that were sufficiently complete to use in models. In group B, dogs with etodolac treatment intervals < 6 months prior to the onset of KCS were 4.2 times as likely to have remission as were dogs with treatment intervals > or = 6 months.
CONCLUSIONS AND CLINICAL RELEVANCE: Shorter duration of etodolac administration (< 6 months) was associated with improved outcome in 1 population of dogs. Monitoring of tear production should be considered prior to and during administration of etodolac in dogs. VMDB discharge data from 1997 through 2002 was used to calculate an incidence rate of 0.8-1.039 % of cases. [Note: VMDB discharge data from 1997 through 2002 were used to calculate an incidence rate of 0.8-1.039 % of cases.]
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