[Erythrapheresis in children with sickle cell disease, experience of a paediatric apheresis unit].

Erythrocyte exchanges on cell separators can be used in children with sickle cell disease and are effective in lowering the level of haemoglobin S. Of the 938 aphereses performed in 2020 in our unit, we observed a low rate of failure of procedures and few complications. Ninety-six percent of erythraphereses were performed in the context of chronic exchange programs, in more than 80% of cases for cerebral vasculopathy or after the occurrence of ischemic strokes. Less than 4% of the procedures were performed for specific indications (preparation for cholecystectomy most often). The vascular access is rarely an obstacle to the realisation of the apheresis. In case of insufficient venous capital, installing an arteriovenous fistula may be considered. Depending on the child's weight, haemoglobin level, and the severity of the sickle cell anaemia, precautions may be necessary when priming the procedure. Nurses experienced in paediatric apheresis and a good medical knowledge of sickle cell disease allowed us to use this technique from the age of 3years and the weight of 15kg.