%0 Journal Article %T Quilot¨®rax a Tensi¨®n: Reporte de Dos Casos %A PINOCHET V %A CONSTANZA %A DONOSO F %A ALEJANDRO %A CRUCES R %A PABLO %J Revista chilena de pediatr¨ªa %D 2009 %I Sociedad Chilena de Pediatr¨ªa %R 10.4067/S0370-41062009000300007 %X thoracic duct injury is a well described entity as complication from cardiothoracic surgery. however tension chylothorax is rare, and may become a life-threating condition. objective: to present 2 pediatric patients who developed hemodynamic and respiratory failures secondary to chylothorax. patients: the first patient was a 2-month-old boy who developed chylothorax three weeks after a norwood-sano surgery; he showed a severe respiratory and hemodynamic collapse. the second patient was a one-month old baby who developed an acute respiratory failure and oliguria two days after a patent ductus arteriosus surgery. in both cases the chest tube placement resulted in the release of chyle under pressure and resolution of the symptoms. conclusions: these two cases demostrate how chylothorax may provoke severe hemodynamic and respiratory effects. early recognition and treatment of this condition is important for improved outcome. %K chyle %K chylothorax %K tension chylothorax %K pleural efusi¨®n. %U http://www.scielo.cl/scielo.php?script=sci_abstract&pid=S0370-41062009000300007&lng=en&nrm=iso&tlng=en