The JBJS Quiz of the Month is a collection of 10 relevant questions from each orthopaedic subspecialty. The questions are drawn from JBJS Clinical Classroom, which houses over 4,500 questions and 3,100 learning resources. Take the Quiz to see how you score against your peers!

NOTE: This quiz does not earn users CME credits. The questions must be answered within Clinical Classroom to earn CME credits.

When compared with bupivicaine HCl for pain management following total knee arthroplasty, periarticular injection of liposomal bupivicaine offers which of the following?
  • Lower visual analog scale (VAS) in-hospital pain scores
  • There is no data to suggest lower pain scores in high quality studies.

  • Improved Knee Society scores at 6 weeks
  • There is no data to suggest improved functional outcomes.

  • Reduced opioid consumption
  • There is no data to suggest reduced opioid consumption.

  • No difference in pain control, function, or opioid consumption
  • Several randomized controlled trials have found no benefit to liposomal bupivicaine.