The use of submaximal parameters in the assessment of exercise capacity in children with obesity.

Background: Peak oxygen uptake (VO) is considered the most important indicator of aerobic exercise capacity during cardiopulmonary exercise testing (CPET). However, its accuracy is compromised when maximal effort is not achieved. In such cases, submaximal parameters can serve as surrogates for assessing exercise performance.

Transfusion-related acute hepatic injury following postoperative platelets administration in pediatric patients undergoing the Fontan procedure.

Objective: The final common pathway of single ventricle patients is the Fontan procedure. Among the immediate postoperative complications is acute hepatic injury presented by marked elevation of liver enzymes (alanine transaminase [ALT] and aspartate transaminase [AST]). We aimed to determine the contribution of blood products transfusion to acute hepatic injury.