risque (2) Surgery (2) Treatment (2) Surgery (2) Risk (2) Poor (2) Human beings (2) nourisson (1) ventilation (1) pression (1) besoin (1) mortalité (1) gestion (1) hôpital (1) histoire (1) dosage (1) âge (1) enfant (1) abords (agglomération) (1) Lausanne (1) Dose-response relationship (1) Mortality (1) History (1) Complications (1) Care (1) Aspect (1) Cases (1) Congenital heart disease (1) Ventilation (1) Usage (1)