Ondansetron, dexamethasone, and droperidol reduce the risk of PONV by similar amounts. These medications and other interventions should be used based on the individual patient's preoperative risk.
Age of Red Cells for Transfusion and Outcomes in Critically Ill Adults
N Engl J Med. 2017 Nov 9;377(19):1858-1867
PMID: 28952891
An international, multicenter, RCT that showed that the age of transfused red blood cells did not affect 90-day mortality in critically ill patients.