At present, all over the world, about one hundred thousand uraemic patients, which is about 15 precent of the total dialysis population are accepting peritoneal dialysis treatment.

腹析是通过腹这层天然的生物，腹腔中的腹液和腹毛细管内的液之间进行水和溶质转运与交换的过程。目前全世界有10名终末期析患者接受腹析治疗，占析人口总数的15%。