- Activation *The degree of perioperative inflammation is a dynamic process that differs according to the time. The number of lab test is intended to build a curve describing the patient inflammatory response and the effect of insulin on it. The cytokines analysis will be done at the research lab, and only very few test will be sent to the hospital lab. The amount of blood taken will be limited to the tests, in the OR the bloods are taken from a dedicated line to prevent any discard.