In the proposed study, we will apply Prevena on the surgical wound right after closure of the wound in the operating theater. Prevena will be used for 7 days, unless there is ongoing infection or much wound drainage that requires debridement.

Most periprosthetic joint infections are from hematogenous origin. Hence, it is considered clean wound unless there is a discharging sinus.

Inclusion Criteria:

1. patients with periprosthetic joint infection
2. indicated for debridement surgery
3. high risk for wound complication, including one of the followings: diabetes mellitus, use anticoagulants other than aspirin, current smoker, on immunomodulators or steroids, malnutrition, liver disease, renal failure, BMI > 35 kg/m2

Exclusion Criteria:

1. previous flap surgery on the indexed joint
2. younger than 18 years of age
3. silver allergy