[The effect of increasing ventral movement on the small solutes transport during peritoneal dialysis].
OBJECTIVE
To investigate whether the small solutes transport and the efficiency of peritoneal dialysis can be improved through ventral movement.


METHODS
Eighteen continuous ambulatory peritoneal dialysis (CAPD) patients and 6 male New Zealand rabbits peritoneal dialysis models were observed. Through self and pre-post control, we compared the concentration ratio of the solutes in effluent dialyste(D) to the solutes in plasma(P), mass transfer area coefficient and the drained volume.


RESULTS
The animal experiments showed that the D/P value for BUN was different prominently when comparing the vibration and non-vibration groups in 45 min and 60 min separately(P < 0.05). On the contrary, no obvious difference existed between the two groups when comparing the D/P values for protein and drained volume. The clinical study showed: D/P value for BUN at the 2 and 4 hr and D/P value for creatinine at the 2 hr increased obviously either in the low or high frequency group when compared with the control group(P < 0.01, P < 0.01, P < 0.05, respectively). D/P for protein and drained volume had no difference compared with the control group(P > 0.05).


CONCLUSIONS
The ventral movement and vibration could efficiently increase the transport of small solutes such as BUN and creatinine while had no influence on the transport of large molecular solutes such as protein and the ultrafiltration volume. It suggested that increasing the movement of CAPD patients can improve the efficiency of peritoneal dialysis.
Department of Medicine, Second Affiliated Hospital, Hunan Medical University, Changsha 410011.
F Y
FY
Liu
S B
SB
Duan
Y M
YM
Peng
D000293:Adolescent; D000328:Adult; D000368:Aged; D000818:Animals; D001692:Biological Transport; D001806:Blood Urea Nitrogen; D003404:Creatinine / Q000378:metabolism; D004058:Diffusion; D005260:Female; D006801:Humans; D007676:Kidney Failure, Chronic / Q000628:therapy*; D008297:Male; D008875:Middle Aged; D010531:Peritoneal Dialysis, Continuous Ambulatory; D010537:Peritoneum / Q000378:metabolism; D011817:Rabbits; D014732:Vibration / Q000627:therapeutic use*
D003404:Creatinine