<prompt> The operative treatment in Hirschsprungs disease is only undertaken when child -Is 2 years of ageIs at least 8 kg in weight and thrivingHas no distension of abdomenHas failed to respond to conservative treatment  <response>: A diagnosis of Hirschsprungs disease requires surgery in all cases. The classic surgical approach consisted of a multiple-stage procedure. This included a colostomy in the newborn period, followed by a definitive pull-through operation after the child weighed 10 kg. 