This podcast covers the JBJS issue for November 2011. Featured are articles covering: Temperature-Sensitive Release of PGE2 and Diminished Energy Requirements in Synovial Tissue; Revision Surgery Following Operations for Lumbar Stenosis; Chronic Opioid Use Prior to Total Knee Arthroplasty; recorded commentary by Dr. Vail; Vacuum-Mixing Significantly Changes Antibiotic Elution Characteristics of Commercially Available Antibiotic-Impregnated Bone Cements; recorded commentary by Dr. Bowden.