Information for the public
There is not much good evidence about how well this procedure works or how safe it is. It should only be used if extra care is taken to explain the uncertainties and extra steps are put in place to record and review what happens.
More research on this procedure is needed.
Your health professional should fully explain what is involved in having this procedure and discuss the possible benefits and risks with you. In particular, they should explain the uncertainty about the evidence on how likely it is to improve your symptoms and possible complications. You should also be told how to find more information about the procedure. You should only be asked if you want this procedure after having this discussion. Your health professional should ask you if details of your procedure can be collected.