Surgical site infection (SSI) is one of the most frequent complications after abdominal surgery as abdominal procedures are often clean-contaminated, contaminated or even dirty procedures, so long the gastrointestinal tract, plenty of microorganisms, is entered. SSI is associated with morbidity and mortality, and reduces the patients' quality of life after surgery. Moreover, it prolongs hospital stay and requires increased instrumentation, medication and complementary tests, altogether representing an economic burden for the Health Services. This has led to the development of several...