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Cystocentesis is essential for reliable diagnosis of urinary tract infections in cats.
Tijdschr Diergeneeskd. 2004 Jun 15; 129(12):394-6.TD

Abstract

Urine samples were taken from 79 cats with clinical signs of acute feline lower urinary tract disease (FLUTD) by means of cystocenthesis, catheterization, or at voiding and were cultured. No bacteria were cultured from 79% of the samples taken by cystocenthesis, 55% of the samples obtained by catheterization, and 17% of the samples obtained at voiding. Samples obtained by cystocenthesis most often yielded pure cultures, whereas the voided samples were often contaminated, yielding mixed cultures. Therefore, it is difficult to interpret culture results for voided or catheterized urine samples, which may lead to overdiagnosis of urinary tract infections. E. coli was the most prevalent bacterial species. Numbers of bacteria were low (10(2) to 10(3)/ml) in three out of eight culture-positive samples taken by cystocenthesis, indicating that the number of bacteria present in the bladder of cats with urinary tract infections may be low. This may lead to underdiagnosis of urinary tract infections when interpreting culture results for voided and catheterized samples, because bacterial counts lower than 10(3) colony-forming units/ml of urine are generally considered not clinically relevant. In conclusion, cystocenthesis is the preferred method of sampling for the evaluation of cats with suspected urinary tract infection.

Authors+Show Affiliations

van Duijkeren E
Veterinary Microbiological Diagnostic Centre, Department of Infectious Diseases and Immunology, Faculty of Veterinary Medicine, Utrecht University, The Netherlands.
van Laar P
No affiliation info available
Houwers DJ
No affiliation info available

MeSH

AnimalsBacteriaBacteriological TechniquesBacteriuriaCat DiseasesCatsColony Count, MicrobialFemaleMaleSpecimen HandlingUrinalysisUrinary CatheterizationUrinary Tract InfectionsUrine

Pub Type(s)

Comparative Study
Journal Article

Language

eng

PubMed ID

15232961

Citation

van Duijkeren, E, et al. "Cystocentesis Is Essential for Reliable Diagnosis of Urinary Tract Infections in Cats." Tijdschrift Voor Diergeneeskunde, vol. 129, no. 12, 2004, pp. 394-6.
van Duijkeren E, van Laar P, Houwers DJ. Cystocentesis is essential for reliable diagnosis of urinary tract infections in cats. Tijdschr Diergeneeskd. 2004;129(12):394-6.
van Duijkeren, E., van Laar, P., & Houwers, D. J. (2004). Cystocentesis is essential for reliable diagnosis of urinary tract infections in cats. Tijdschrift Voor Diergeneeskunde, 129(12), 394-6.
van Duijkeren E, van Laar P, Houwers DJ. Cystocentesis Is Essential for Reliable Diagnosis of Urinary Tract Infections in Cats. Tijdschr Diergeneeskd. 2004 Jun 15;129(12):394-6. PubMed PMID: 15232961.
* Article titles in AMA citation format should be in sentence-case
TY - JOUR T1 - Cystocentesis is essential for reliable diagnosis of urinary tract infections in cats. AU - van Duijkeren,E, AU - van Laar,P, AU - Houwers,D J, PY - 2004/7/6/pubmed PY - 2004/9/28/medline PY - 2004/7/6/entrez SP - 394 EP - 6 JF - Tijdschrift voor diergeneeskunde JO - Tijdschr Diergeneeskd VL - 129 IS - 12 N2 - Urine samples were taken from 79 cats with clinical signs of acute feline lower urinary tract disease (FLUTD) by means of cystocenthesis, catheterization, or at voiding and were cultured. No bacteria were cultured from 79% of the samples taken by cystocenthesis, 55% of the samples obtained by catheterization, and 17% of the samples obtained at voiding. Samples obtained by cystocenthesis most often yielded pure cultures, whereas the voided samples were often contaminated, yielding mixed cultures. Therefore, it is difficult to interpret culture results for voided or catheterized urine samples, which may lead to overdiagnosis of urinary tract infections. E. coli was the most prevalent bacterial species. Numbers of bacteria were low (10(2) to 10(3)/ml) in three out of eight culture-positive samples taken by cystocenthesis, indicating that the number of bacteria present in the bladder of cats with urinary tract infections may be low. This may lead to underdiagnosis of urinary tract infections when interpreting culture results for voided and catheterized samples, because bacterial counts lower than 10(3) colony-forming units/ml of urine are generally considered not clinically relevant. In conclusion, cystocenthesis is the preferred method of sampling for the evaluation of cats with suspected urinary tract infection. SN - 0040-7453 UR - https://www.unboundmedicine.com/medline/citation/15232961/Cystocentesis_is_essential_for_reliable_diagnosis_of_urinary_tract_infections_in_cats_ DB - PRIME DP - Unbound Medicine ER -