{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,5,4]],"date-time":"2026-05-04T20:38:28Z","timestamp":1777927108966,"version":"3.51.4"},"reference-count":51,"publisher":"SAGE Publications","issue":"4","license":[{"start":{"date-parts":[[2022,2,1]],"date-time":"2022-02-01T00:00:00Z","timestamp":1643673600000},"content-version":"unspecified","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/"},{"start":{"date-parts":[[2022,2,1]],"date-time":"2022-02-01T00:00:00Z","timestamp":1643673600000},"content-version":"tdm","delay-in-days":0,"URL":"https:\/\/journals.sagepub.com\/page\/policies\/text-and-data-mining-license"}],"content-domain":{"domain":["journals.sagepub.com"],"crossmark-restriction":true},"short-container-title":["Perit Dial Int"],"published-print":{"date-parts":[[2022,7]]},"abstract":"<jats:p>\n                    Transport of serum proteins from the circulation to peritoneal dialysate in peritoneal dialysis patients mainly focused on total protein. Individual proteins have hardly been studied. We determined serum and effluent concentrations of four individual proteins with a wide molecular weight range routinely in the standardised peritoneal permeability analysis performed yearly in all participating patients. These include \u03b2\n                    <jats:sub>2<\/jats:sub>\n                    -microglobulin, albumin, immunoglobulin G and \u03b1\n                    <jats:sub>2<\/jats:sub>\n                    -macroglobulin. The dependency of transport of these proteins on their molecular weight and diffusion coefficient led to the development of the peritoneal protein restriction coefficient (PPRC), which is the slope of the relation between the peritoneal clearances of these proteins and their free diffusion coefficients in water, when plotted on a double logarithmic scale. The higher the PPRC, the more size restriction to transport. In this review, we discuss the results obtained on the PPRC under various conditions, such as effects of various osmotic agents, vasoactive drugs, peritonitis and the hydrostatic pressure gradient. Long-term follow-up of patients shows an increase of the PPRC, the possible causes of which are discussed. Venous vasculopathy of the peritoneal microcirculation is the most likely explanation.\n                  <\/jats:p>","DOI":"10.1177\/08968608221075102","type":"journal-article","created":{"date-parts":[[2022,2,1]],"date-time":"2022-02-01T05:18:56Z","timestamp":1643692736000},"page":"335-343","update-policy":"https:\/\/doi.org\/10.1177\/sage-journals-update-policy","source":"Crossref","is-referenced-by-count":5,"title":["Assessment of the size selectivity of peritoneal permeability by the restriction coefficient to protein transport"],"prefix":"10.1177","volume":"42","author":[{"ORCID":"https:\/\/orcid.org\/0000-0002-9851-8507","authenticated-orcid":false,"given":"Raymond T","family":"Krediet","sequence":"first","affiliation":[{"name":"Division of Nephrology, Department of Medicine, Amsterdam University Medical Center, The Netherlands"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Deirisa Lopes","family":"Barreto","sequence":"additional","affiliation":[{"name":"Department of Rheumatology and Clinical Immunology, Maasstad Hospital, Rotterdam, The Netherlands"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Anouk TN","family":"van Diepen","sequence":"additional","affiliation":[{"name":"Department of Internal Medicine, Radboud University Medical Center, Nijmegen, The Netherlands"}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"179","published-online":{"date-parts":[[2022,2]]},"reference":[{"key":"e_1_3_3_2_2","doi-asserted-by":"publisher","DOI":"10.1085\/jgp.52.1.64"},{"key":"e_1_3_3_3_2","doi-asserted-by":"publisher","DOI":"10.1152\/ajpheart.01364.2005"},{"key":"e_1_3_3_4_2","article-title":"Osmotic barrier of the parietal peritoneum","volume":"267","author":"Flessner MJ","year":"1994","unstructured":"Flessner MJ. 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