When would you recommend adding peritoneal dialysis to a patient with oxalosis who is already receiving hemodialysis?

Tang et al., PMID 24776840

I have never done this. The amount of oxalate cleared by peritoneal dialysis is a very small fraction of the amount cleared by hemodialysis. In general, among patients with oxalosis, the oxalate is well cleared from the blood on hemodialysis, but oxalate has a very large vo...