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Microbial colonization and ureteral stent-associated storage lower urinary tract symptoms: the forgotten piece of the puzzle?

Bonkat, Gernot ; Rieken, Malte ; Müller, Georg ; Roosen, Alexander ; Siegel, Fabian ; Frei, Reno ; Wyler, Stephen ; Gasser, Thomas ; Bachmann, Alexander ; Widmer, Andreas

In: World Journal of Urology, 2013, vol. 31, no. 3, p. 541-546

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    Titre
    • Microbial colonization and ureteral stent-associated storage lower urinary tract symptoms: the forgotten piece of the puzzle?
    Auteur
    • Bonkat, Gernot. Department of Urology, University Hospital Basel, Spitalstrasse 21, 4031, Basel, Switzerland
    • Rieken, Malte. Department of Urology, University Hospital Basel, Spitalstrasse 21, 4031, Basel, Switzerland
    • Müller, Georg. Department of Urology, University Hospital Basel, Spitalstrasse 21, 4031, Basel, Switzerland
    • Roosen, Alexander. Department of Urology, Ludwig Maximilians University Munich, Marchioninistrasse 15, 81377, Munich, Germany
    • Siegel, Fabian. Department of Urology, University Hospital Mannheim, Ruprecht-Karls University of Heidelberg, Theodor-Kutzer-Ufer 1-3, 68167, Mannheim, Germany
    • Frei, Reno. Clinical Microbiology Laboratory, University Hospital Basel, Spitalstrasse 21, 4031, Basel, Switzerland
    • Wyler, Stephen. Department of Urology, University Hospital Basel, Spitalstrasse 21, 4031, Basel, Switzerland
    • Gasser, Thomas. Department of Urology, University Hospital Basel, Spitalstrasse 21, 4031, Basel, Switzerland
    • Bachmann, Alexander. Department of Urology, University Hospital Basel, Spitalstrasse 21, 4031, Basel, Switzerland
    • Widmer, Andreas. Division of Infectious Diseases and Hospital Epidemiology, University Hospital Basel, Petersgraben 4, 4031, Basel, Switzerland
    Type de document
    • Postprint
    Identifiant OAI-PMH
    • oai:doc.rero.ch:316629
    Summary
    Purpose: Ureteral stents are frequently associated with side effects. Most patients suffer from storage lower urinary tract symptoms (LUTS). Storage LUTS are commonly attributed to the irritation of the trigone, smooth muscle spasm or a combination of factors. The relationship between microbial ureteral stent colonization (MUSC) and de novo or worsening storage LUTS has not been investigated yet. Methods: Five hundred ninety-one polyurethane ureteral stents from 275 male and 153 female patients were prospectively evaluated. The removed stents were sonicated to dislodge adherent microorganisms. Urine flow cytometry was performed to detect pyuria. A standardized urinary symptom questionnaire was given to all patients. Results: Thirty-five per cent of male and 28% of female cases showed de novo or worsened storage LUTS. MUSC was more common in patients with storage LUTS compared to patients without storage LUTS (men: 26 vs. 13%, respectively, P<0.05; women: 63 vs. 48%, respectively, P=0.13). Pyuria was significantly more common in patients with storage LUTS compared to patients without storage LUTS (men: 55 vs. 40%, respectively, P<0.05; women: 70 vs. 45%, respectively, P<0.05). No significant correlation was observed between the detected genera of microorganisms and storage LUTS. Conclusions: Our data show a significant association between MUSC- and stent-related de novo experienced or worsened storage LUTS in men. The incidence of MUSC is most common in both female and male patients with storage LUTS and accompanying pyuria. In these patients, a combination of antibiotics and anti-inflammatory drugs may be regarded as treatment option