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Mnemonics, Simplified Concepts & Thoughts

“5-Ps” Mnemonic for Preoperative Antibiotic Prophylaxis

Epomedicine, Jul 10, 2025Jul 10, 2025
Preoperative antibiotics
AI generated and Modified

Potential indications for antibiotic prophylaxis before surgical procedure are:

1. Penetration into gastrointestinal, respiratory and genital lumens

  • Clean-contaminated procedures

2. Prosthesis

  • Surgical meshes
  • Orthopedic hardwares
  • Breast and penile implants

3. Presence of infection

  • Contaminated surgeries such as elimination of septic foci and manipulations of infected tissues

4. Prolonged surgery

  • Additional risk factor

5. Poor patient immunity

  • Additional risk factor

Reference: Hasanin A, Mostafa M. The “5-Ps” Mnemonic for Antibiotic Prophylaxis Before Surgery. Anesth Analg. 2025 May 7. doi: 10.1213/ANE.0000000000007596. Epub ahead of print. PMID: 40333465.

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PGMEE, MRCS, USMLE, MBBS, MD/MS AnesthesiaGeneral Surgery

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Epomedicine. “5-Ps” Mnemonic for Preoperative Antibiotic Prophylaxis [Internet]. Epomedicine; 2025 Jul 10 [cited 2026 Jun 13]. Available from: https://epomedicine.com/medical-students/5-ps-mnemonic-for-preoperative-antibiotic-prophylaxis/.

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