Kidneys are vital for removing waste and toxins from our bodies. And when they fail, haemodialysis (HD), which is done at dialysis centres, has long been the option here.There's another option, peritoneal dialysis (PD), which is done in the comfort of the home and also gives kidney failure patients a better quality of life. But among patients in Singapore suitable for it, the take-up rate remains low, despite efforts to encourage its adoption.Both forms of dialysis remove waste and fluid from the body — a process that occurs naturally in healthy patients through urination. HD does it through the blood, while PD extracts them through the peritoneum, the membrane lining the abdominal wall.In Singapore, three out of four new kidney failure patients still opt for HD, where patients go to a dialysis centre three times a week for three to four hours to have their blood removed from their body, cleansed and then put back. Read more