{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,6,3]],"date-time":"2026-06-03T18:49:48Z","timestamp":1780512588425,"version":"3.54.1"},"reference-count":139,"publisher":"Oxford University Press (OUP)","issue":"Supplement_4","license":[{"start":{"date-parts":[[2021,12,27]],"date-time":"2021-12-27T00:00:00Z","timestamp":1640563200000},"content-version":"vor","delay-in-days":26,"URL":"https:\/\/creativecommons.org\/licenses\/by-nc\/4.0\/"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":[],"published-print":{"date-parts":[[2021,12,27]]},"abstract":"<jats:title>ABSTRACT<\/jats:title><jats:p>Haemodialysis (HD) utilizes the bidirectional properties of semipermeable membranes to remove uraemic toxins from blood while simultaneously replenishing electrolytes and buffers to correct metabolic acidosis. However, the nonspecific size-dependent transport across membranes also means that certain useful plasma constituents may be removed from the patient (together with uraemic toxins), or toxic compounds, e.g. endotoxin fragments, may accompany electrolytes and buffers of the dialysis fluids into blood and elicit severe biological reactions. We describe the mechanisms and implications of these undesirable transport processes that are inherent to all HD therapies and propose approaches to mitigate the effects of such transport. We focus particularly on two undesirable events that are considered to adversely affect HD therapy and possibly impact patient outcomes. Firstly, we describe how loss of albumin (and other essential substances) can occur while striving to eliminate larger uraemic toxins during HD and why hypoalbuminemia is a clinical condition to contend with. Secondly, we describe the origins and mode of transport of biologically active substances (from dialysis fluids with bacterial contamination) into the blood compartment and biological reactions they elicit. Endotoxin fragments activate various proinflammatory pathways to increase the underlying inflammation associated with chronic kidney disease. Both phenomena involve the physical as well as chemical properties of membranes that must be selected judiciously to balance the benefits with potential risks patients may encounter, in both the short and long term.<\/jats:p>","DOI":"10.1093\/ckj\/sfab183","type":"journal-article","created":{"date-parts":[[2021,9,30]],"date-time":"2021-09-30T20:59:24Z","timestamp":1633035564000},"page":"i85-i97","source":"Crossref","is-referenced-by-count":5,"title":["Clinical relevance of abstruse transport phenomena in haemodialysis"],"prefix":"10.1093","volume":"14","author":[{"given":"Sudhir K","family":"Bowry","sequence":"first","affiliation":[{"name":"Dialysis-at-Crossroads (D@X) Advisory, Bad Nauheim, Germany"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Fatih","family":"Kircelli","sequence":"additional","affiliation":[{"name":"Global Medical Information and Education, Fresenius Medical Care, Bad Homburg, Germany"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Mooppil","family":"Nandakumar","sequence":"additional","affiliation":[{"name":"Fresenius Medical Care, Singapore Pte Ltd., Singapore"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Tushar J","family":"Vachharajani","sequence":"additional","affiliation":[{"name":"Department of Hypertension and Nephrology, Glickman Urological and Kidney Institute, Cleveland Clinic Lerner College of Medicine of Case Western Reserve University, Cleveland, Ohio, USA"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"286","published-online":{"date-parts":[[2021,12,27]]},"reference":[{"key":"2021122717521409900_bib1","doi-asserted-by":"crossref","first-page":"1","DOI":"10.2147\/TCRM.S150824","article-title":"Examining hemodialyzer membrane performance using proteomic technologies","volume":"14","author":"Bonomini","year":"2017","journal-title":"Ther Clin Risk 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