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Lookup NU author(s): Dr Nicholas Hoenich
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Reprocessing of a dialyzer for repeated use in the same patient is widely practiced. The dialyzer fiber bundle volume (FBV) is monitored as an indicator of the dialyzer's suitability for continued use, with standards for reprocessed dialyzers requiring a FBV of greater than 80% of a new dialyzer to be maintained. We have used on-line measurement of clearance of sodium (OLC module, Fresenius Medical Care, Walnut Creek, CA) to assess small molecule clearance changes during and between treatments for a group of 29 chronic hemodialysis patients who reused high flux polysulfone dialyzers (F80, Fresenius Medical Care, Lexington, MA) reprocessed using citric acid and heat (95 degrees C). Data pertaining to the initial, 5th, 10th, and 15th uses were analyzed and showed that, within a single dialysis session, there was a trend for the clearance to reduce throughout the treatment (p < 0.001). Overall, there was also a trend for clearances to decline with increasing number of reuses (p < 0.008). Changes in FBV occurred, but such changes remained within the guidelines suggested by standards. It is concluded that on-line clearance measurements provide a simple noninvasive method to monitor dialyzer performance over each use and between uses.
Author(s): Rahmati MA, Rahmati S, Hoenich N, Ronco C, Kaysen GA, Levin R, Levin NW
Publication type: Article
Publication status: Published
Journal: ASAIO Journal
Year: 2003
Volume: 49
Issue: 5
Pages: 543-546
ISSN (print): 1058-2916
ISSN (electronic): 1538-943X
Publisher: Lippincott Williams & Wilkins
URL: http://dx.doi.org/10.1097/01.MAT.0000084177.34517.9B
DOI: 10.1097/01.MAT.0000084177.34517.9B
Notes: Journal Article
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