Effectiveness of oral antibiotics for treating pyelonephritis caused by extended-spectrum beta-lactamase-producing Enterobacteriaceae: A case series
Abstract
BACKGROUND: Recently, the spread of multidrug-resistant bacteria has become a global problem. Extended-spectrum beta-lactamase (ESBL)-producing Enterobacteriaceae (enterobacteria) is one example. The incidence of urinary tract infections caused by ESBL-producing enterobacteria has been increasing in some Japanese community settings. Currently, there is insufficient evidence on the effectiveness of oral antibiotics used for the treatment of pyelonephritis caused by ESBL-producing enterobacteria. We investigated the effectiveness of oral antibacterial agents against pyelonephritis caused by ESBL-producing Enterobacteriaceae.
METHODS: The records of patients who had been treated for pyelonephritis caused by ESBL-producing enterobacteria with oral antibiotics between April 1, 2014, and March 31, 2019, were reviewed retrospectively to assess the effectiveness of oral antibiotic treatment.
RESULTS: A total of seven cases were identified, including 1 patient with a positive blood culture and one patient with a Pitt bacteremia score of four points, indicating that the infections were severe. The antibiotics used to treat pyelonephritis were amoxicillin-clavulanic acid (n = 3), minocycline (n = 1), levofloxacin (n = 3), and sulfamethoxazole-trimethoprim with amoxicillin-clavulanic acid (n = 1). None of the patients had recurrence of pyelonephritis in the 60 days following oral antibiotic treatment, and there were no deaths during the 60-day follow-up period.
CONCLUSIONS: These…
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Evidence Hub reads this as a case series, done in people. Its evidence level is 5 of 5 (Very low · case / narrative / animal / in vitro / in silico). Case reports, narrative reviews, and animal, cell or computer-model studies give the weakest evidence for human health.
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