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Antibiotic treatment durations for common infectious diseases in Switzerland: comparison between real-life and local and international guideline recommendations

Cédéric Schaub, Stefanie Barnsteiner, Ladina Schönenberg, Nando Bloch, Sarah Dräger, Werner C. Albrich, Anna Conen, Michael Friedrich Osthoff

Journal of Global Antimicrobial Resistance, 2022

770 participants · 6 citations

Abstract

Shortening the duration of antibiotic therapy (DAT) for common infectious diseases may be an effective strategy to tackle antimicrobial resistance. Shorter DAT has been proven safe and effective for community-acquired pneumonia (CAP), cellulitis, and cholangitis. In a retrospective multicentre quality-control study, medical records of 770 patients hospitalized with CAP, cellulitis, and cholangitis at three tertiary care hospitals in Switzerland during 2017–2018 were randomly selected. Appropriateness of antibiotic treatment duration was assessed according to international and local guidelines. Records of 271, 260, and 239 patients with CAP, cellulitis, and cholangitis were included, respectively. Median DAT was seven days (interquartile range [IQR] 6–9), ten days (IQR 8–13), and nine days (IQR 6–13) in CAP, cellulitis, and cholangitis, respectively. DAT longer than recommended by local and international guidelines was observed in 32% and 37% of CAP patients, 23% and 70% of cellulitis patients, and 33% and 37% of cholangitis patients, respectively. Positive blood cultures (odds ratio [OR] = 2.42 (95% confidence interval [CI] 1.33–4.34]), infectious diseases consultation (OR = 1.79 [95% CI 1.05–2.78]), impaired renal function (OR = 0.99 [95% CI 0.98–1.00] per 1 ml/min / 1.73 m2 increase in estimated glomerular filtration rate) and a higher degree of inflammation on admission (OR = 1.0 [95% CI 1.001–1.005] per 10 mg/L increase in C-reactive protein) were independently…

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