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Abstract
Bone and joint infections remain a formidable challenge to the orthopaedic surgeon. The high success rate obtained with antibiotic therapy in most bacterial diseases has not been obtained in bone and joint infections because of the physiological and anatomical characteristics of bone Postoperative infections are pyogenic and usually occur shortly after the operation.
In order to carry out surveillance, prevention and control of surgical site infections (SSI) properly, it is necessary to utilize a commonly employed set of definitions.
SSIs are classified as being either incisional or organ/space and are only considered to be nosocomial (hospital acquired) if there is no evidence that the patient harboured the infection by the time of hospital admission. Incisional SSIs are further divided into those involving only skin and subcutaneous tissue (superficial incisional SSI.) and those involving deeper soft tissues of the incision (deep incisional SSI). Organ/space SSIs involve any part of the anatomy (e.g., organ or space) other than incised body wall layers that was opened or manipulated during an operation.