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J Bone Jt Infect. 2017 May 25;2(3):154-159. doi: 10.7150/jbji.20425. eCollection 2017.

Management of Asymptomatic Bacteriuria, Urinary Catheters and Symptomatic Urinary Tract Infections in Patients Undergoing Surgery for Joint Replacement: A Position Paper of the Expert Group 'Infection' of swissorthopaedics.

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Department of Infectious Diseases, Bern University Hospital, University of Bern.
Institute for Infectious Diseases, University of Bern.
Orthopedic Septic Surgical Unit, Department of Surgery and Anaesthesiology, Lausanne University Hospital, Lausanne.
Division for Orthopaedic and Trauma Surgery, Cantonal Hospital Winterthur, Switzerland.
Clinic for Orthopedics and Trauma Surgery and Interdisciplinary Septic Surgical Unit, Kantonsspital Baselland Liestal, Switzerland.
Service of Infectious Diseases, Geneva University Hospitals and Faculty of Medicine, University of Geneva.
Orthopedic Surgery Service, Geneva University Hospitals and Faculty of Medicine, University of Geneva, Switzerland.


In this position paper, we review definitions related to this subject and the corresponding literature. Our recommendations include the following statements. Asymptomatic bacteriuria, asymptomatic leukocyturia, urine discolouration, odd smell or positive nitrite sediments are not an indication for antimicrobial treatment. Antimicrobial treatment of asymptomatic bacteriuria does not prevent periprosthetic joint infection, but is associated with adverse events, costs and antibiotic resistance development. Urine analyses or urine cultures in asymptomatic patients undergoing orthopaedic implants should be avoided. Indwelling urinary catheters are the most frequent reason for healthcare-associated urinary tract infections and should be avoided or removed as soon as possible.


Asymptomatic bacteriuria; asymptomatic leukocyturia; urine discolouration

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