Are Breast Surgical Operations Clean or Clean Contaminated?

Area of Science:

• Surgical Infection Control
• Breast Surgery Outcomes
• Microbiology in Surgery

Background:

• Breast surgeries are traditionally classified as clean procedures.
• Observed infection rates (3-15%) significantly exceed those of standard clean surgeries (1.5-3%).
• The ductal system's exposure during surgery may contribute to higher infection rates, similar to other body systems.

Purpose of the Study:

• To systematically review infection rates in breast surgeries.
• To evaluate the evidence supporting a reclassification of breast surgeries.
• To determine the necessity of prophylactic antibiotic use in breast procedures.

Main Methods:

• Conducted a systematic review of relevant medical literature.
• Searched PubMed and Medline for randomized controlled trials, meta-analyses, and Cochrane Reviews.
• Synthesized existing evidence on breast surgery infections.

Main Results:

• Infection rates in breast surgery are notably higher than in other clean surgical procedures.
• Evidence supports the hypothesis that breast surgeries should be considered clean-contaminated.
• The anatomical pathway through the nipple may facilitate microbial entry.

Conclusions:

• Breast surgeries exhibit infection rates necessitating a re-evaluation of their classification.
• Reclassifying breast surgeries as clean-contaminated is supported by current evidence.
• Prophylactic antibiotic administration is recommended for breast surgery patients to mitigate infection risk.