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Blood Purif. 2014;38(3-4):203-10. doi: 10.1159/000369055. Epub 2014 Dec 16.

Effects of ultrapure hemodialysis and low molecular weight heparin on the endothelial surface layer.

Author information

1
Department of Internal Medicine, Division of Nephrology, Maastricht University Medical Center, Maastricht, The Netherlands.

Abstract

BACKGROUND:

Chronic kidney disease patients show changes in the endothelial surface layer (ESL). Whether hemodialysis (HD) itself or low molecular weight heparins (LMWH) induce ESL alterations is unknown.

METHODS:

We studied the ESL in 20 HD patients with Sidestream Dark Field Imaging [measuring perfused boundary region (PBR)] and measurement of ESL constituents in plasma during HD in 2 studies. LMWH was administered at the start of HD in study A, and 120 min after the start of HD in study B. Mean platelet volume (MPV) and platelet large cell ratio (P-LCR) were also measured.

RESULTS:

Syndecan-1 increased significantly 30 min after LMWH administration. sP-Selectin increased 120 min after HD start, and MPV and P-LCR decreased significantly during HD. No significant changes of PBR, sE-Selectin, sICAM-1, or sVCAM-1 were perceived.

CONCLUSIONS:

HD caused a significant increase in Syndecan-1 without a change in PBR. The administration of LMWH appeared to precede the rise in Syndecan-1.

PMID:
25531879
DOI:
10.1159/000369055
[Indexed for MEDLINE]

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