Parabens Flocculation on the Anti Inflammatory Effects of Corticosteroid Injections for Total Knee Arthroplasty

The purpose of this study is to identify whether corticosteroid use with anesthetics containing preservatives (parabens) reduces clinical effectiveness of the anti-inflammatory agent Up to 100 patients, both male and female, between the ages of 18-89 will be enrolled and randomized into either of the following groups; Group 1: These patients will receive a corticosteroid solution with lidocaine containing parabens. Group 2: These patients will receive corticosteroid solution with paraben free lidocaine.