2021
DOI: 10.1111/vop.12914
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The effect of topical ophthalmic proparacaine, fluorescein, and tropicamide on subsequent bacterial cultures in healthy dogs

Abstract: Objective: To determine whether tropicamide, fluorescein, and proparacaine applied topically before sample collection affect the quantity or species of bacteria isolated via aerobic culture. Animals studied: 12 female adult research beagle cross-breed dogs.Procedures: A conjunctival swab was taken before and after the sequential application of proparacaine, tropicamide, and fluorescein to the same eye (P/T/F) with a five-minute gap between medications. Paired swabs were submitted for aerobic culture. Bacterial… Show more

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Cited by 3 publications
(3 citation statements)
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“…al (2009) reported topical 0.5% proxymetacaine, as used in this study, had the least inhibitory effect on bacterial growth compared to other topical anesthetic agents 33 . Multiple studies reported in veterinary literature have reported no significant effect of topical anesthetic agents on bacterial culture results following corneal or conjunctival swab sampling 35–37 . In this study, all corneal swabs were performed following the topical application of proxymetacaine therefore this does not bias corneal culture results between swab types.…”
Section: Discussionmentioning
confidence: 79%
See 1 more Smart Citation
“…al (2009) reported topical 0.5% proxymetacaine, as used in this study, had the least inhibitory effect on bacterial growth compared to other topical anesthetic agents 33 . Multiple studies reported in veterinary literature have reported no significant effect of topical anesthetic agents on bacterial culture results following corneal or conjunctival swab sampling 35–37 . In this study, all corneal swabs were performed following the topical application of proxymetacaine therefore this does not bias corneal culture results between swab types.…”
Section: Discussionmentioning
confidence: 79%
“…33 Multiple studies reported in veterinary literature have reported no significant effect of topical anesthetic agents on bacterial culture results following corneal or conjunctival swab sampling. [35][36][37] In this study, all corneal swabs were performed following the topical application of proxymetacaine therefore this does not bias corneal culture results between swab types. Topical proxymetacaine was applied in all eyes for its analgesic benefits to the patient during sampling.…”
Section: T a B L Ementioning
confidence: 99%
“…Psychrobacter are psychrophilic or pyschrotolerant (cold-loving or cold-tolerant) gram-negative bacteria associated with a wide range of animals as well as terrestrial and marine environments. Psychrobacter species have recently been detected among canine oral ( 14 ), conjunctiva ( 15 ), and skin ( 16 ) microbiomes. Species within this genus rarely cause disease ( 17 ) and were likely selected for due to the winter season in which the samples were collected.…”
Section: Discussionmentioning
confidence: 99%