Chronic Duodenal Ileus is related to ileus and angina pectoris. An important gene associated with Chronic Duodenal Ileus is KCNJ11 (Potassium Inwardly Rectifying Channel Subfamily J Member 11), and among its related pathways/superpathways are Cardiac conduction and Transport of inorganic cations/anions and amino acids/oligopeptides.