Abstract：
:Bacterial infection and sepsis are common complications of chronic kidney disease (CKD). A vicious cycle of increased gut permeability, endotoxemia, inadequate activation of the innate immune system and resulting innate immune dysfunction is hypothesized. We assessed endotoxemia, neutrophil function and its relation to oxidative stress, inflammation and gut permeability in patients with CKD grade 3-5 without renal replacement therapy (CKD group, n = 57), patients with CKD stage 5 undergoing haemodialysis (HD, n = 32) or peritoneal dialysis (PD, n = 28) and patients after kidney transplantation (KT, n = 67) in a cross-sectional observational study. In HD patients, endotoxin serum levels were elevated and neutrophil phagocytic capacity was decreased compared to all other groups. Patients on HD had a significantly higher mortality, due to infections during follow up, compared to PD (p = 0.022). Oxidative stress, neutrophil energy charge, systemic inflammation and gut permeability could not completely explain these differences. Our findings suggest that dialysis modality and not renal function per se determine the development of neutrophil dysfunction and endotoxemia in CKD-patients. HD patients are particularly prone to neutrophil dysfunction and endotoxemia whereas neutrophil function seems to improve after KT. Multi-target approaches are therefore warranted to improve neutrophil function and potentially reduce the rate of infections with patients undergoing haemodialysis.
journal_name
Sci Repjournal_title
Scientific reportsauthors
Lemesch S,Ribitsch W,Schilcher G,Spindelböck W,Hafner-Gießauf H,Marsche G,Pasterk L,Payerl D,Schmerböck B,Tawdrous M,Rosenkranz AR,Stiegler P,Kager G,Hallström S,Oettl K,Eberhard K,Horvath A,Leber B,Stadlbauer Vdoi
10.1038/srep34534subject
Has Abstractpub_date
2016-10-04 00:00:00pages
34534issn
2045-2322pii
srep34534journal_volume
6pub_type
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