Figure 1From: Oxygen persufflation as adjunct in liver preservation (OPAL): Study protocol for a randomized controlled trial Hypothermic reconditioning by gaseous O 2 -persufflation. Above: Schematic representation of the persufflated organ during cold storage on ice Below: Detail of gas bubbles leaving a human liver through small pin-pricks set into post-sinusoidal venules.Back to article page