What explanation should the infection preventionist give to a surgeon when a surgical site infection (SSI) has been declared for a colon procedure?

• A. That a set of standardized definitions was used
• B. The patient hygiene was poor
• C. The infection came from the environment
• D. The data was incomplete

Answer: (A)

The important idea is that surgical site infections are identified using standardized surveillance definitions. When the infection preventionist tells the surgeon that an SSI was declared using a set of standardized criteria, it communicates that the classification is based on objective, widely accepted guidelines rather than subjective impressions. This standardization ensures consistency and comparability across cases and facilities, which is crucial for meaningful benchmarking and quality improvement efforts.

For a colon procedure, these criteria specify what constitutes an SSI, including timing after the operation and the depth of infection (superficial incisional, deep incisional, or organ/space). Stating that standardized definitions were applied helps the surgeon understand that the designation reflects predefined, evidence-based thresholds rather than judgments about hygiene, environmental factors, or data quality alone. If needed, etiologic questions or investigations into potential causes can be addressed separately using appropriate clinical review.