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. 1987 Nov;25(11):2216-7.
doi: 10.1128/jcm.25.11.2216-2217.1987.

Urease-positive bacteriuria and obstruction of long-term urinary catheters

H L Mobley  1 , J W Warren
Affiliations

Urease-positive bacteriuria and obstruction of long-term urinary catheters

H L Mobley et al. J Clin Microbiol. 1987 Nov.

Abstract

Long-term urethral catheterization (greater than or equal to 30 days), a management technique for urinary incontinence, results in polymicrobial bacteriuria. We frequently found urease-producing bacteria: of 1,135 weekly urine specimens from 32 long-term-catheterized patients, 86% had urease-positive bacterial species at greater than or equal to 10(5) CFU/ml. The most common species were Proteus mirabilis and Morganella morganii, each found in over half the specimens. P. mirabilis, but not other urease-positive species, was significantly associated with the 67 obstructions observed in 23 patients. M. morganii had a more complex association and in some way may protect the catheter from obstruction.

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References

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