Anterior vs Posterior Periarticular Multimodal Drug Injections: A Randomized, Controlled Trial in Simultaneous Bilateral Total Knee Arthroplasty

The PMDI at the anterior compartment can reduce pain after total knee arthroplasty with potentially better quadriceps function compared with that in the PMDI at the posterior compartment. We recommend infiltrating the anterior compartment with a greater amount of PMDI than the posterior compartment.