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pubmed-article:15072788pubmed:dateCreated2004-4-9lld:pubmed
pubmed-article:15072788pubmed:abstractTextThis study deals with in vitro investigation of the release of di(2-ethylhexyl)phthalate (DEHP) during hemodialysis and pump-oxygenation therapy using medical grade PVC tubing. High resolution GC-MS analysis showed that the release of DEHP was time-dependently increased by circulation of bovine blood into a major system for the hemodialysis that is used in Japan, and the amount of DEHP released into the blood had reached 7.3 mg by 4 h of circulation. No significant difference was observed in the release patterns of DEHP under the conditions with and without fluid removal treatment during hemodialysis, indicating that the treatment seems not to be effective for eliminating DEHP from the blood through the hemodialysis membrane. Mono(2-ethylhexyl)phthalate (MEHP) analysis revealed that a small amount of DEHP (3-4%) was converted to MEHP by hydrolysis during the circulation of blood. A considerable amount of DEHP was also released from the PVC circuit mimicking the pump-oxygenation system, and 7.5-12.1 mg of DEHP had migrated into bovine blood from the circuit by 6 h. It was noticed, however, that the release was obviously suppressed by covalently coating the inner surface of the PVC tubing with heparin, though this effect was not observed with ionic bond type-heparin coating. Covalent bond type-heparin coating of PVC tubing seems to offer the advantage of decreasing the amount of DEHP exposure to patients during treatment using a PVC circuit.lld:pubmed
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pubmed-article:15072788pubmed:authorpubmed-author:YagamiTakeshi...lld:pubmed
pubmed-article:15072788pubmed:authorpubmed-author:TsuchiyaToshi...lld:pubmed
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pubmed-article:15072788pubmed:authorpubmed-author:HayashiYuzuru...lld:pubmed
pubmed-article:15072788pubmed:authorpubmed-author:HaishimaYujiYlld:pubmed
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pubmed-article:15072788pubmed:volume274lld:pubmed
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pubmed-article:15072788pubmed:pagination119-29lld:pubmed
pubmed-article:15072788pubmed:dateRevised2006-11-15lld:pubmed
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pubmed-article:15072788pubmed:year2004lld:pubmed
pubmed-article:15072788pubmed:articleTitleRisk assessment of di(2-ethylhexyl)phthalate released from PVC blood circuits during hemodialysis and pump-oxygenation therapy.lld:pubmed
pubmed-article:15072788pubmed:affiliationDivision of Medical Devices, National Institute of Health Sciences, 1-18-1 Kamiyoga, Setagaya, Tokyo 158-8501, Japan. haishima@nihs.go.jplld:pubmed
pubmed-article:15072788pubmed:publicationTypeJournal Articlelld:pubmed
pubmed-article:15072788pubmed:publicationTypeResearch Support, Non-U.S. Gov'tlld:pubmed