Related Experiment Videos

[Treatment of peritonitis under continuous ambulatory peritoneal dialysis using intraperitoneal ceftazidime]

J M Ragnaud1, M Dupon, P Morlat

  • 1Clinique Médicale et des Maladies Infectieuses, Hôpital Pellegrin-Tripode, Bordeaux.

Pathologie-Biologie
|June 1, 1989
PubMed

Insights

Ceftazidime administered every 48 hours for bacterial peritonitis in chronic ambulatory peritoneal dialysis (CAPD) patients showed limited efficacy. A daily intraperitoneal ceftazidime injection may improve treatment outcomes for CAPD-related peritonitis.

Area of Science:

  • Nephrology
  • Infectious Diseases
  • Pharmacology

Context:

  • Chronic ambulatory peritoneal dialysis (CAPD) is a common treatment for end-stage renal disease.
  • Bacterial peritonitis is a serious complication of CAPD, requiring effective antibiotic management.
  • Ceftazidime is an antibiotic used to treat bacterial infections.

Purpose:

  • To evaluate the efficacy of ceftazidime administered intraperitoneally every 48 hours for managing bacterial peritonitis in CAPD patients.
  • To determine the pharmacokinetic profile of ceftazidime in serum and dialysate following intraperitoneal administration.
  • To identify factors contributing to treatment failure.

Summary:

  • Twenty-two cases of bacterial peritonitis were observed in 15 CAPD patients.
  • Common pathogens included Staphylococcus, Streptococcus, and Gram-negative bacteria.
  • Treatment with intraperitoneal ceftazidime (1g every 48 hours) resulted in a 54.5% recovery rate within 5 days.
  • Treatment failures were associated with specific bacterial species, including Staphylococcus aureus and Staphylococcus epidermidis.
  • Mean serum ceftazidime concentrations were 35 mg/l and dialysate concentrations were 5.5 mg/l at 48 hours.
  • Dialysate concentrations were below the minimum inhibitory concentrations (MICs) for susceptible bacteria, suggesting suboptimal dosing.

Impact:

  • The study suggests that the current dosing regimen of ceftazidime every 48 hours may be insufficient for effective peritonitis treatment in CAPD patients.
  • Results indicate a need for optimized dosing strategies, such as a single daily intraperitoneal injection, to achieve therapeutic concentrations in the peritoneal fluid.
  • Findings contribute to improving antibiotic management protocols for CAPD-related peritonitis, potentially reducing treatment failures and improving patient outcomes.

Related Concept Videos