“…Gastric tonometry is a powerful tool for the prediction of circulatory failure, and measurement of the tissue PCO 2 has been widely used for the detection of shock and multiorgan failure, mainly during the perioperative period of anesthesiology (17,18). However, technical difficulties arise in measurements on children and infants (21,25,26). We recently devised a new tool for gastric tonometry whereby the examination can be performed with ease in patients of any age, including very low birth weight neonates (23).…”