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Antimicrobial Effectiveness01:28

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The effectiveness of antimicrobial agents depends on various factors influencing their ability to eliminate microbial populations. Larger microbial populations require more time for complete eradication, emphasizing the importance of population size analysis when evaluating antimicrobial efficacy.Microbial resistance to antimicrobial agents varies significantly. Highly resilient microorganisms include endospores, gram-negative bacteria, and non-enveloped viruses, while prions are exceptionally...
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Multiplex Therapeutic Drug Monitoring by Isotope-dilution HPLC-MS/MS of Antibiotics in Critical Illnesses
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[Pharmacist´s contribution on antimicrobial stewardship program: ambispective cohort study].

Héctor Holguín1, Pedro Amariles2, William Ospina1

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Summary

An antimicrobial stewardship program (AMSP) led by pharmacists significantly reduced antibiotic consumption and healthcare costs. This demonstrates the value of pharmacist-led interventions in optimizing antimicrobial use.

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Area of Science:

  • Healthcare Management
  • Infectious Diseases
  • Pharmacology

Background:

  • Antimicrobial stewardship programs (AMSP) are crucial for rational antibiotic use.
  • Ensuring correct antibiotic, timing, and dosage is a primary goal of AMSPs.

Purpose of the Study:

  • To assess the impact of a pharmacist-led AMSP on antibiotic consumption, treatment duration, and costs.
  • To establish the association between pharmacist-led AMSP interventions and key healthcare outcomes in a tertiary setting.

Main Methods:

  • An ambispective cohort study design was employed.
  • The exposed cohort involved pharmacist interventions within an AMSP, evaluating indication, dosage, duration, and spectrum.
  • The non-exposed cohort was a similar retrospective group without AMSP evaluation.

Main Results:

  • A decrease in antibiotic consumption was observed (119,831 vs 137,678 DDD/100 patient-days).
  • The exposed cohort experienced a 34.1% reduction in antibiotic therapy costs compared to the non-exposed cohort.
  • 258 patients were in the exposed cohort and 247 in the non-exposed cohort.

Conclusions:

  • Pharmacist-led AMSPs yield superior outcomes regarding antibiotic consumption.
  • AMSPs directed by pharmacists lead to significant reductions in healthcare costs associated with antibiotic therapy.