Comments on section 4.23 of Global guidelines for the prevention of surgical site infection

The guideline proposes the appropriate measures to reduce SSI for low and middle income countries. According to evidence-based medicine, suggests that laminar flow ventilation systems should not be used to reduce the risk of SSI for patients undergoing total arthroplasty surgery in the section 4.23 of the guideline. Reviews its background, basis and research methods, and presents the opinions.