Intra-Articular Injection of Bupivacaine in Knee-Replacement Operations. Results of Use for Analgesia and for Preemptive Blockade *

Abstract
The effectiveness of an intra-articular injection of bupivacaine, administered before the incision or after closure of the wound, was studied in an effort to decrease the need for postoperative narcotics and to improve analgesia for patients who have elective knee replacement. Eighty-two pat