Perioperative Corticosteroid Doseage
There is limited evidence to determine if there is a difference between high dose and low dose intravenous dexamethasone with regards to postoperative pain, opioid consumption, nausea/vomiting, or complications after primary TJA.
Anesthesia and Analgesia in Total Joint Arthroplasty (2021)
Developed by: American Association of Hip and Knee Surgeons, American Society of Regional Anesthesia and Pain Medicine, American Academy of Orthopaedic Surgeons, The Hip Society, and The Knee Society

Rationale

One high quality study and one moderate quality study evaluated the impact of dosing of perioperative intravenous dexamethasone on opioid consumption and pain after TJA.[3,14] Turner et al. compared 8 mg intravenous dexamethasone (e.g. high dose) versus 4 mg intravenous dexamethasone (e.g. low dose) following a psoas block prior to primary total hip arthroplasty (THA).[3] The authors found no difference in postoperative pain or opioid consumption between the two different dexamethasone doses.[3] Kim et al.  compared  postoperative intravenous dexamethasone at 0.2 mg/kg versus 0.1 mg/kg for 24 hours after primary total knee arthroplasty (TKA) and found no difference in postoperative opioid consumption or postoperative pain at 2 days postoperatively.[14] Only Kim et al. evaluated postoperative nausea after TKA and found no difference between high and low dose intravenous dexamethasone.[14] While one high and one moderate quality study are sufficient to make a moderate recommendation, the workgroup downgraded the recommendation to limited as they believe that the data in these two studies alone are insufficient to make a definitive recommendation regarding the dose of corticosteroids that should be administered prior to primary TJA.