Ascites Fluid Routine; Peritoneal dialysis analysis;

Peritoneal dialysis uses the peritoneum as a semipermeable membrane, and exchanges water and solutes between peritoneal capillaries and dialysate. Electrolytes and small molecule substances move from the side with higher concentration to the side with lower concentration (diffusion), and water molecules Movement from the side with low osmotic concentration to the side with high osmotic concentration (osmosis). Increasing the concentration of dialysate can achieve the purpose of removing water from the body. Through the solute concentration gradient difference, uremic substances in the blood can be removed from the dialysate and the electrolyte and acid-base balance can be maintained, replacing part of the functions of the kidneys.