{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2025,10,1]],"date-time":"2025-10-01T16:33:58Z","timestamp":1759336438606,"version":"3.37.3"},"reference-count":56,"publisher":"Wiley","license":[{"start":{"date-parts":[[2016,1,1]],"date-time":"2016-01-01T00:00:00Z","timestamp":1451606400000},"content-version":"unspecified","delay-in-days":0,"URL":"http:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"funder":[{"DOI":"10.13039\/501100004281","name":"Narodowe Centrum Nauki","doi-asserted-by":"publisher","award":["N N518407638"],"award-info":[{"award-number":["N N518407638"]}],"id":[{"id":"10.13039\/501100004281","id-type":"DOI","asserted-by":"publisher"}]},{"DOI":"10.13039\/501100004047","name":"Karolinska Institutet","doi-asserted-by":"publisher","award":["N N518407638"],"award-info":[{"award-number":["N N518407638"]}],"id":[{"id":"10.13039\/501100004047","id-type":"DOI","asserted-by":"publisher"}]}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Computational and Mathematical Methods in Medicine"],"published-print":{"date-parts":[[2016]]},"abstract":"<jats:p>During peritoneal dialysis (PD), the peritoneal membrane undergoes ageing processes that affect its function. Here we analyzed associations of patient age and dialysis vintage with parameters of peritoneal transport of fluid and solutes, directly measured and estimated based on the pore model, for individual patients. Thirty-three patients (15 females; age 60 (21\u201387) years; median time on PD 19 (3\u2013100) months) underwent sequential peritoneal equilibration test. Dialysis vintage and patient age did not correlate. Estimation of parameters of the two-pore model of peritoneal transport was performed. The estimated fluid transport parameters, including hydraulic permeability (LpS), fraction of ultrasmall pores (<mml:math xmlns:mml=\"http:\/\/www.w3.org\/1998\/Math\/MathML\" id=\"M1\"><mml:mrow><mml:msub><mml:mrow><mml:mi>\u03b1<\/mml:mi><\/mml:mrow><mml:mrow><mml:mi mathvariant=\"normal\">u<\/mml:mi><\/mml:mrow><\/mml:msub><\/mml:mrow><\/mml:math>), osmotic conductance for glucose (OCG), and peritoneal absorption, were generally independent of solute transport parameters (diffusive mass transport parameters). Fluid transport parameters correlated whereas transport parameters for small solutes and proteins did not correlate with dialysis vintage and patient age. Although LpS and OCG were lower for older patients and those with long dialysis vintage,<mml:math xmlns:mml=\"http:\/\/www.w3.org\/1998\/Math\/MathML\" id=\"M2\"><mml:mrow><mml:msub><mml:mrow><mml:mi mathvariant=\"normal\">\u03b1<\/mml:mi><\/mml:mrow><mml:mrow><mml:mi mathvariant=\"normal\">u<\/mml:mi><\/mml:mrow><\/mml:msub><\/mml:mrow><\/mml:math>was higher. Thus, fluid transport parameters\u2014rather than solute transport parameters\u2014are linked to dialysis vintage and patient age and should therefore be included when monitoring processes linked to ageing of the peritoneal membrane.<\/jats:p>","DOI":"10.1155\/2016\/8204294","type":"journal-article","created":{"date-parts":[[2016,2,16]],"date-time":"2016-02-16T21:03:43Z","timestamp":1455656623000},"page":"1-10","source":"Crossref","is-referenced-by-count":5,"title":["Peritoneal Fluid Transport rather than Peritoneal Solute Transport Associates with Dialysis Vintage and Age of Peritoneal Dialysis Patients"],"prefix":"10.1155","volume":"2016","author":[{"given":"Jacek","family":"Waniewski","sequence":"first","affiliation":[{"name":"Nalecz Institute of Biocybernetics and Biomedical Engineering, Polish Academy of Sciences, 02 109 Warsaw, Poland"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Stefan","family":"Antosiewicz","sequence":"additional","affiliation":[{"name":"Military Institute of Medicine, 04 141 Warsaw, Poland"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Daniel","family":"Baczynski","sequence":"additional","affiliation":[{"name":"Military Institute of Medicine, 04 141 Warsaw, Poland"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Jan","family":"Poleszczuk","sequence":"additional","affiliation":[{"name":"Nalecz Institute of Biocybernetics and Biomedical Engineering, Polish Academy of Sciences, 02 109 Warsaw, Poland"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Mauro","family":"Pietribiasi","sequence":"additional","affiliation":[{"name":"Nalecz Institute of Biocybernetics and Biomedical Engineering, Polish Academy of Sciences, 02 109 Warsaw, 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