www.sunnybrook.ca Dr. Colin McCartney, an anesthesiologist at Sunnybrooks Holland Orthopaedic & Arthritic Centre, leads a team of experts to promote the latest innovations in pain management with the goal of improving the post-operative experience and to help patients return to their daily activities sooner. Through a unique method called preventive analgesia, patients are given a combination of pain medications before surgery and continuing for several days after surgery in order to reduce the levels of pain they might typically experience.