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.

腹膜通过腹膜这层天然的生物膜，腹腔中的腹液和腹膜毛细管内的液之间进行水和溶质转运与交换的过程。目前全有10万名终末期患者接受腹膜治疗，占人口总数的15%。