Refusal of transfusion: What is the right place for the principle of respect for autonomy?

Nineteen people refusing a blood transfusion in anticipation of thoracic surgery were met at the Clinical Ethics Center (AP-HP, Paris, France). The article reflects on the right place that respect for autonomy plays in medical decisions regarding (non)transfusion when medical practice would recommend it. Three patient profiles emerge: "categorical refusals", "refusals while affirming the need to live" and "refusals accompanied by doubt". Without neglecting the arguments relating to other principles of biomedical ethics (beneficence, non-maleficence, justice), the idea is to enable healthcare professionals to better assess the different situations they face and in particular those in which respect for autonomy seems essential. If the majority of people concerned by the issue are Jehovah's Witnesses, and although this religion is sometimes stigmatized, this work sheds light on the place of their wishes hold in medical decisions on (non)transfusion. Healthcare professionals could contact ethics units and ask them to carry out this same assessment in their own different.