TABLE 1.

Recommended interventions for the perioperative care of hip and knee replacement studies by ERAS Society

Number	Item	Evidence level
1	Preoperative information, education and counseling	Low
2	Preoperative optimization	Smoking: High; Alcohol: Low; Anemia: High
3	Preoperative fasting	Moderate
4	Standard anesthetic protocol	General anesthesia: moderate; neuraxial techniques: Moderate
5	Use of local anesthetics for infiltration analgesia and nerve blocks	LIA in knee replacement: High
6	Postoperative nausea and vomiting	Moderate
7	Prevention of perioperative blood loss	Tranexamic acid: High
8	Perioperative oral analgesia	Paracetamol: Moderate; NSAIDS: High
9	Maintaining normothermia	High
10	Antimicrobial prophylaxis	Moderate
11	Antithrombotic prophylaxis treatment	Moderate
12	Perioperative surgical factors	High
13	Perioperative fluid management	Fluid balance: Moderate
14	Postoperative nutritional care	Low
15	Early mobilization	Moderate
16	Criteria‐based discharge	Low
17	Continuous improvement and audit	Low

Abbreviations: LIA: local infiltration analgesia; NSAIDs: non‐steroidal anti‐inflammatory drugs.