Post-operative cognitive dysfunction after total knee arthroplasty: It ain't what you do, it's the way that you do it

In this edition, Tanaka et al. [1] describe a prospective study designed to ascertain whether propofol vs desflurane anesthesia affects the incidence of early postoperative cognitive dysfunction (POCD) in elderly obese patients undergoing elective total knee arthroplasty (TKA).

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