We have had open heart surgeries here for years. A few years back, anesthesia and one of the heart surgeon got a wild hair to have TEG. It has been a major waste of time and money. We had the results feed live into the OR so that they could see them. The company came in a gave them all instructions on the system and how it could help them determine what blood products they needed. They have never used it to make decisions during surgery. Regardless of the results, if their patient is bleeding, they are going to want plasma, platelets, and possibly cryo. We are currently keeping 1 plt pheresis. 2-4 prepooled (5 cryo/pool) cryoprecipitate in house on the days that we have surgeries. We've started keeping 2 A plasma thawed at all times. Most CABG procedures require few products, Valves Replacements can be bigger users.