[Analysis of serum vancomycin concentration after administration of different doses in children with Staphylococcus

Guang-Li Zhang1, Hui Zhamg, Ru Liu

  • 1Department of Respiratory Disease, Children′s Hospital, Chongqing Medical University, Chongqing 400014, China. luozhengxiu816@163.com.

Insights

A dosage of 15 mg/(kg·dose) every 6 hours (q6h) of vancomycin is recommended for pediatric Staphylococcus aureus pneumonia (SAP). This dose achieved higher serum vancomycin trough concentrations compared to lower doses, improving treatment efficacy.

Area of Science:

  • Pediatric Infectious Diseases
  • Pharmacokinetics and Pharmacodynamics
  • Antibiotic Therapy

Context:

  • Staphylococcus aureus pneumonia (SAP) is a serious infection in children.
  • Vancomycin is a critical antibiotic for treating resistant bacterial infections.
  • Optimizing vancomycin dosing is essential for effective treatment and minimizing toxicity.

Purpose:

  • To determine the appropriate vancomycin dosage for pediatric patients with Staphylococcus aureus pneumonia (SAP).
  • To analyze serum vancomycin concentrations at different therapeutic doses.
  • To correlate dosage with achieving target serum trough concentrations.

Summary:

  • Retrospective analysis of 35 pediatric SAP cases treated with vancomycin.
  • Evaluated vancomycin doses of 10, 12.5, and 15 mg/(kg·dose) every 6 hours (q6h).
  • The 15 mg/(kg·dose) q6h dose resulted in significantly higher mean serum trough concentrations (14.98 mg/L) and a higher percentage of patients reaching therapeutic targets (71%) compared to lower doses.

Impact:

  • Establishes 15 mg/(kg·dose) q6h (or 60 mg/(kg·d)) as a reasonable vancomycin dosage for pediatric SAP.
  • Provides evidence-based guidance for optimizing vancomycin therapy in children.
  • Aims to improve treatment outcomes and reduce the risk of treatment failure or adverse events.
Abstract

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