Related Experiment Videos
[Coagulation abnormalities after total hip prosthesis (THP), a rare cause: antibiotic prophylaxis]
P Sitbon1, M Chiron, J Duranteau
1Département d'anesthésie-réanimation, CHU de Bicêtre, Le Kremlin-Bicêtre, France.
Annales Francaises D'Anesthesie Et De Reanimation
|September 8, 2000
Summary
Cefamandole antibiotic use can cause bleeding risks by interfering with vitamin K. Vitamin K1 supplementation effectively resolves this coagulation disorder, especially in at-risk patients.
Area of Science:
- Pharmacology
- Hematology
- Surgical Complications
Background:
- Prophylactic antibiotic use is common in hip surgery.
- Cefamandole, a cephalosporin, carries a risk of coagulation abnormalities.
- Vitamin K metabolism is crucial for hemostasis.
Observation:
- An 87-year-old patient experienced coagulation issues post-hip surgery.
- The complication was linked to the prophylactic administration of cefamandole.
- Cefamandole's methyl-tetrazol-thiol side chain impacts vitamin K regeneration.
Findings:
- Cefamandole interferes with the vitamin K cycle, similar to oral anticoagulants.
- This interference leads to a prothrombin deficiency and coagulation disorder.
- Vitamin K1 supplementation completely resolved the observed coagulation abnormality.
Implications:
- Patients with renal failure or malnutrition are at higher risk.
- Alternative antibiotics or vitamin K1 prophylaxis should be considered.
- Systematic vitamin K1 supplementation can prevent or treat cefamandole-induced coagulopathy.