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. 1971 Jun;21(6):990–992. doi: 10.1128/am.21.6.990-992.1971

Failure of Urinary Beta-Glucuronidase Activity to Localize the Site of Urinary Tract Infection

Allan R Ronald 1, Frederic Silverblatt 1, Hugh Clark 1, Ralph E Cutler 1, Marvin Turck 1
PMCID: PMC377329  PMID: 5564683

Abstract

The differentiation of renal from bladder bacteriuria is difficult on clinical grounds alone. To evaluate the correlation between site of infection and urinary beta-glucuronidase activity, 46 patients with well documented recurrent bacteriuria were studied by bilateral ureteral catheterization. Urinary beta-glucuronidase activity was also determined in 46 control subjects. In general, asymptomatic patients with renal bacteriuria, either unilateral or bilateral, had levels of enzyme activity in their urine comparable to patients with infection confined to the bladder and to normals. Only 4 of 25 patients with renal bacteriuria had significant elevations of urinary beta-glucuronidase. After localization of infection, 9 of 10 patients treated with kanamycin, a potentially nephrotoxic drug, developed significant elevations of urinary beta-glucuronidase. The results of these studies indicate that determination of beta-glucuronidase activity in urine is not useful in predicting the site of infection in patients with bacteriuria but may find a role in screening for early nephrotoxicity.

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Selected References

These references are in PubMed. This may not be the complete list of references from this article.

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