[Antibiotic stewardship - recent developments]

Winfried V Kern1, Stephan Horn1, Geertje Fink1

  • 1Abteilung Infektiologie, Klinik für Innere Medizin II, Universitätsklinikum Freiburg.

Insights

Antibiotic prescribing in Germany shows a shift away from fluoroquinolones and cephalosporins towards penicillin derivatives. Aminoglycosides are re-emerging as viable options for urinary tract infections and severe sepsis, while specific guidelines exist for hematology-oncology patients.

Area of Science:

  • Pharmacology
  • Infectious Diseases
  • Clinical Pharmacy

Background:

  • Recent trends indicate a decrease in fluoroquinolone and cephalosporin use in German healthcare settings.
  • Penicillin derivatives are increasingly favored, and aminoglycosides are being reconsidered for specific infections.
  • Limited updates exist on antibiotic strategies for hematology-oncology patients, particularly concerning fever and neutropenia.

Purpose of the Study:

  • To review current trends in antibiotic prescribing in Germany.
  • To evaluate the re-emergence of aminoglycosides as therapeutic options.
  • To discuss rational antibiotic use in hematology-oncology, including empirical and targeted therapies.

Main Methods:

  • Analysis of antibiotic consumption data in hospital and outpatient settings.
  • Review of current clinical guidelines and evidence for antibiotic use in specific patient populations.
  • Discussion of antibiotic resistance patterns and therapeutic alternatives.

Main Results:

  • Decreased prescription rates for fluoroquinolones and cephalosporins, with a rise in penicillin derivative use.
  • Aminoglycosides show renewed utility for urinary tract infections and potentially sepsis due to favorable activity and low resistance.
  • For fever and neutropenia in hematology-oncology, piperacillin-tazobactam or carbapenems remain first-line, with extended infusions recommended. Linezolid is a reserve drug.
  • Careful patient history can identify subgroups suitable for re-exposure to penicillins despite alleged allergies.

Conclusions:

  • Antibiotic prescribing patterns are evolving, necessitating updated therapeutic strategies.
  • Aminoglycosides offer a valuable alternative in specific clinical scenarios.
  • Evidence-based guidelines are crucial for optimizing antibiotic use, especially in immunocompromised patients.
  • Accurate allergy assessment can safely expand penicillin use.

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