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Published on: July 19, 2018
Do interleukin-6, hyaluronan, soluble intercellular adhesion molecule-1 and cancer antigen 125 in dialysate predict
Terhi Martikainen1, Agneta Ekstrand, Eero Honkanen
1Department of Medicine, Division of Nephrology, Helsinki University Central Hospital, Helsinki, Finland.
Objective:
Diminishing ultrafiltration and dialysis adequacy may limit the long-term use of peritoneal dialysis (PD). Inflammation may play a role in changes in peritoneal function. This study was designed to evaluate alterations in peritoneal function and soluble factors in dialysate during a 1-year follow-up period.
Material And Methods:
A personal dialysis capacity test was performed at the start of the study and after 6 and 12 months in 20 patients in order to determine dialysis adequacy and membrane characteristics. Dialysate was collected during the test days for analyses of interleukin-6 (IL-6), soluble intercellular adhesion molecule-1, hyaluronan and cancer antigen 125 (CA125).
Results:
There were no significant changes in dialysis adequacy or membrane characteristics during the 1-year follow-up period. The appearance rate of IL-6 in dialysate increased significantly (419.8+/-63.3 at the start, 784.1+/-136.4 after 6 months and 1149.3+/-252.2 ng/24 h after 12 months; p=0.006) during follow-up. Furthermore, the appearance rate of CA125 increased throughout the study in patients using icodextrin, but decreased slightly in patients using only conventional dialysis solutions.
Conclusions:
There were no major changes in dialysis adequacy or membrane characteristics during the follow-up period, but increased IL-6 in dialysate may reflect peritoneal inflammation, which may lead to long-term alterations in the peritoneal membrane. Icodextrin may have a preventive effect on the longevity of the peritoneal membrane.
