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  • Title: [Effect of direct pulsatile peritoneal dialysis on peritoneal permeability and lymphatic absorption in the rat].
    Author: Utsunomiya T, Kumano K, Sakai T, Yamashita A.
    Journal: Nihon Jinzo Gakkai Shi; 1995 Jan; 37(1):24-8. PubMed ID: 7699950.
    Abstract:
    Continuous vibration of the abdominal wall with a small electric vibrator was conducted to enhance peritoneal mass transport in rats with normal kidney function. Thirty ml of either 2.5% or 4.25% dextrose dialysate containing creatinine, urea and dextran 70 was infused intraperitoneally and was allowed to dwell for 30-240 min with or without abdominal wall vibration at the rate of 80 Hz. The mass transfer area coefficient (KA) of small molecular solutes and peritoneal lymphatic absorption were investigated. Peritoneal dialysis with vibration for 60 min increased the KA of urea, creatinine and glucose by 12%, 15%, 27%, respectively, without changes in ultrafiltration and lymphatic absorption. This effect may be attributed to enhanced mixing of dialysate in the peritoneal cavity and the increased peritoneal effective blood flow. This concept can be applied to short-term dwell dialysis, such as automated peritoneal dialysis.
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