for summary see the dutch version above

An open randomised single center study to compare a low suction intra and postoperative autologous blood transfusion system with a high suction drainage system with regards to haemoglobin loss following primary total hip arthroplasty

An open, randomised, single center study to compare a low suction intra and postoperative autologous blood transfusion system with no drainsystem at all with regards to haemoglobin loss following primary total hip arthroplasty implantation