Clinical Research Directory

Inclusion criteria: * Patients with at least one incision that is ≥5cm in adults and ≥3cm in children aged under 16 years. This can include both open and minimally-invasive surgery providing at least one incision meets this criteria. * Patients with a clean-contaminated, contaminated, or dirty surgical wound. Definitions of contamination are given in Table 2. * Patients undergoing emergency (surgery on an unplanned admission) or elective (surgery on a planned admission) surgery. * Any operative indication (including caesarean section). * Patients aged 10 or over. Exclusion criteria * Adults with an incision \<5 cm and incision \<3cm in children aged under 16 years. * Patients undergoing procedures with a clean surgical wound only.