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Related Experiment Videos

[Bone diffusion of cefotiam in men].

R Farinotti1, P Vie, C Montes

  • 1Département de Pharmacie Clinique, Faculté de Pharmacie, Centre Hospitalier Universitaire Xavier-Bichat, Hôpital Claude-Bernard, Paris.

Pathologie-Biologie
|June 1, 1989
PubMed
Summary
This summary is machine-generated.

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A single 2g intravenous dose of cefotiam provides effective antibiotic prophylaxis for total hip replacement surgery. Bone concentrations remain high for hours, exceeding therapeutic levels.

Area of Science:

  • Pharmacokinetics
  • Orthopedic Surgery
  • Infectious Disease Prevention

Context:

  • Surgical site infections are a significant risk in orthopedic procedures like total hip replacement.
  • Optimizing antibiotic prophylaxis is crucial to minimize infection rates.
  • Understanding drug distribution in bone tissue is key for effective prophylaxis.

Purpose:

  • To determine cefotiam concentrations in plasma and femoral head tissues after a single intravenous dose.
  • To evaluate the pharmacokinetic profile of cefotiam in bone and plasma.
  • To assess the potential of cefotiam as a prophylactic agent in total hip replacement.

Summary:

  • A 2g intravenous dose of cefotiam was administered to 17 patients undergoing total hip replacement.
  • Plasma and femoral head (capsule, cancellous bone, cortical bone) concentrations were measured via liquid chromatography.

Related Experiment Videos

  • Mean cefotiam concentrations were 70.5 µg/ml in plasma and ranged from 8.1 to 41.4 µg/g in bone tissues.
  • Bone concentrations remained above 1.8 µg/g at 240 minutes post-injection.
  • Cancellous bone showed higher diffusion than cortical bone, with a longer elimination half-life in bone (248.8 min) compared to plasma (59.6 min).

    • Impact:

    • Results suggest that a 2g intravenous cefotiam bolus at anesthesia induction can offer effective prophylaxis during total hip replacement.
    • The sustained high concentrations in bone tissue support its role in preventing surgical site infections.
    • This study provides valuable pharmacokinetic data for optimizing cefotiam dosing in orthopedic surgery.