Cochrane tourniquet in knee replacementThe Cochrane database of systematic reviews 2020
Tourniquet use for knee replacement surgery.
Tourniquet use was associated with a higher risk of serious adverse events and slightly more early postoperative pain, with no meaningful gains in function and only a modest shortening of operating time.
Systematic review / meta-analysisManagementOperative technique & equipment
Cochrane closed suction drainsThe Cochrane database of systematic reviews 2007
Closed suction surgical wound drainage after orthopaedic surgery.
Drains gave no significant benefit for infection, haematoma or reoperation, but were associated with a significantly higher blood transfusion requirement; undrained wounds needed more dressing reinforcement.
Systematic review / meta-analysisManagementOperative technique & equipment