Why is antimicrobial de-escalation under-prescribed for urinary tract infections?
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To assess the frequency of de-escalation in inpatients treated for community-acquired urinary tract infection and the frequency of conditions legitimating not de-escalating therapy.
A retrospective study of inpatients (age >15 years) at a large academic hospital who were empirically treated for urinary tract infections due to Escherichia coli susceptible to at least one of the following antibacterial agents: amoxicillin, co-amoxiclav, and cotrimoxazole. De-escalation was defined as the replacement of the empirical broad-spectrum therapy by amoxicillin, co-amoxiclav, or cotrimoxazole.
Eighty patients were included. De-escalation was prescribed for 32 of 69 patients for whom it was possible from both a bacteriological and clinical point of view (46 %, 95 % CI, 34–59 %). Initial treatment was switched to amoxicillin (n = 21), co-amoxiclav (n = 2), or cotrimoxazole (n = 8). Thirteen conditions justifying not de-escalating antibacterial therapy were detected in 11 of 48 patients who were not de-escalated (23 %, 95 % CI, 12–37 %): shock, n = 5; renal abscess, n = 1; obstructive uropathy, n = 4; bacterial resistance or clinical contraindication to both cotrimoxazole and β-lactams, n = 3.
De-escalation is under-prescribed for urinary tract infections. Omission of de-escalation is seldom legitimate. Interventions aiming to de-escalate antibacterial therapy for UTIs should be actively implemented.
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- Why is antimicrobial de-escalation under-prescribed for urinary tract infections?
Volume 41, Issue 1 , pp 211-214
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- Escherichia coli
- Urinary tract infection
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- Author Affiliations
- 1. Emergency Department, Nantes University Hospital, 1 Place Alexis-Ricordeau, 44000, Nantes, France
- 2. Faculté de Médecine, Université de Nantes, EA3826 Thérapeutiques Cliniques et Expérimentales des Infections, 1 Rue Gaston-Veil, 44000, Nantes, France
- 3. Infectious Diseases Department, Nantes University Hospital, 1 Place Alexis-Ricordeau, 44000, Nantes, France
- 4. Microbiology Department, Nantes University Hospital, 1 Place Alexis-Ricordeau, 44000, Nantes, France