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J Am Assoc Lab Anim Sci. 2013 Mar;52(2):180-5.

Urinary catheterization of male rabbits: a new technique and a review of urogenital anatomy.

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1
Department of Veterinary Medicine and Surgery, Infection Control and Employee Health, The University of Texas MD Anderson Cancer Center, Houston, TX, USA. ruthaman@fhcrc.org

Abstract

Rabbits are widely used as an animal model for urologic research studies in which urinary bladder catheterization is required. However, standard manual retrograde urinary catheterization proved to be difficult to perform on anesthetized male rabbits in a research study, with frequent misplacement of the catheter into the vesicular gland. Attempts to reposition the catheter into the bladder after initial entry into the vesicular gland frequently failed and resulted in exclusion of the animal from the study. We assessed the normal anatomy of the lower urinary tract of male rabbits to determine the cause of catheterization misdirection into the vesicular gland and to develop a more reliable technique for urinary bladder catheterization. A modified 'digital (finger) pressure' catheterization technique was developed for successful urinary catheterization of male rabbits. Retrospective statistical analysis of 45 rabbits used for urinary catheterization studies showed improvement in the success rate of catheterization by using the digital pressure technique over the standard method of retrograde urinary catheter insertion. In addition, we here review the relevant gross and histologic anatomy of the urogenital tract of male rabbits.

PMID:
23562102
PMCID:
PMC3624787
[Indexed for MEDLINE]
Free PMC Article
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