KTP laser: an important tool in refractory recurrent tracheo-esophageal fistula in children.

Secondary tracheo-oesophageal fistula in delayed primary repair of oesophageal atresia is rare. This paper reports the successful use of the KTP laser in the treatment of this condition in a refractory case. It also recommends the use of direct laryngotracheobronchoscopy (DLTB) in the diagnosis.