Abstract:
:We characterized the effects of peracetic acid-hydrogen peroxide (PAHP) reprocessing on hemodialyzer permeability to water and solutes of various molecular weights and compared these effects within and between dialyzers. An aqueous-based solution containing urea, creatinine, vancomycin, inulin, myoglobin, and albumin was dialyzed for 60 minutes with a hemodialyzer after undergoing 0, 1 , 5, 10, and 15 reuse cycles. Solute clearance, sieving coefficient (SC), and ultrafiltration coefficient were determined. We found that PAHP reprocessing significantly decreased water and solute removal (urea, creatinine, vancomycin, inulin) by cellulose triacetate dialyzers (CT190) over 15 reuses (p<0.05) but did not affect the permeability of polysulfone dialyzers (F80A). Inulin removal was significantly lower for F80A than for CT190 (p<0.0001 and p<0.001 for clearance and SC values, respectively). Myoglobin and albumin removal by CT190 significantly decreased over 15 reuses (p<0.05), but no protein was detected in dialysate or ultrafiltrate at any reuse number for F80A. Reprocessing with PAHP alters dialyzer permeability; the effect is more pronounced for the CT190 dialyzer, but removal of solutes with molecular weight above 1500 Da is significantly lower with F80A dialyzers than with CT190. These changes in dialyzer permeability should be considered when determining optimal reuse procedures.
journal_name
Pharmacotherapyjournal_title
Pharmacotherapyauthors
Scott MK,Mueller BA,Sowinski KMdoi
10.1592/phco.19.13.1042.31587subject
Has Abstractpub_date
1999-09-01 00:00:00pages
1042-9issue
9eissn
0277-0008issn
1875-9114journal_volume
19pub_type
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