Review Question - QID 218068

A 62-year-old male presents with increasing hip and groin pain, particularly with walking up stairs when his hip is flexed. He has attempted physical therapy, corticosteroid injections, and activity modifications, however, his pain is recalcitrant to these conservative measures. He has a history of lupus with multiple flare-ups treated with prolonged periods of prednisone usage. He also smokes a ½ pack per day but is otherwise healthy. His radiographs are shown in Figures A and B. An MRI shows a 1x1cm area of subchondral collapse. When proceeding with most indicated operation for this patient, which of the following complications should be considered?