Registry for Hirschsprung disease of the BELAPS (Belgian Association of Pediatric Surgery) Protocol Short Title/Acronym / Sponsor name BELAPS Principal Investigator Prof. Dr. Marc Miserez Medical condition or disease under investigation Hirschsprung's disease Purpose of clinical study To register pre-, intra- and postoperative data in order to improve surgical care to paediatric patients with Hirschsprung's disease in Belgium. Primary objective The primary objective is to evaluate defecation habits at 3.5-5.5 years after surgery. Secondary objective (s) Evaluating the long-term results and evaluate risk factors for constipation / incontinence. Study Design Prospective registry Endpoints Krickenbeck score, urinary, sexual and QoL evaluation