What complication can be minimized by transitioning to combat gauze at the 2-hour mark?

The transition to combat gauze at the 2-hour mark helps to minimize ischemic damage, which can occur when a tourniquet is applied for an extended period. When a tourniquet is in place, it stops blood flow to the affected limb, which can lead to tissue ischemia due to the lack of oxygen and nutrient supply. If blood flow is not restored promptly after controlling severe hemorrhage, the affected tissue can suffer damage, resulting in complications such as necrosis or loss of limb function.

By switching to combat gauze at this time, medical personnel can effectively manage hemorrhage while allowing blood flow to be restored, thereby reducing the risk of ischemic damage to the tissues below the injury site. This is critical in maintaining the viability of the limb and optimizing the chances for recovery. In the context of TCCC, prioritizing the preservation of tissue is essential for the overall outcome of the casualty's injury management.