Table 1 Canadian multicenter wound complication definition

Surgical complications

Secondary operations required for wound treatment (debridement, secondary closure procedures such as rotationplasty, free flaps, or skin grafts)

Invasive procedure required for wound care (drainage of hematoma, seroma, or infected wound collection)

Deep wound packing required at any time (deep packing defined as packing deep to dermis in an area of dehisced wound) to an area of the wound measuring ≥2 cm in length

Non-surgical complications

Readmission to hospital for wound care

Prolonged dressing changes, including packing of the wound for >6 weeks from wound break down

Failure of epithelialization of skin graft by 4 weeks after surgery