Reduction of EDA(+) fibronectin and its clinical importance on cryofiltration.
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| Abstract |
Cryofiltration (CRYO) removes cryogel, which is a combination of fibrinogen (Fbg) and fibronectin (FN), containing pathological substances. The purpose of this study was to measure cryogel EDA(+) FN and study the relationship between EDA(+) FN and clinical symptoms in patients with rheumatoid arthritis, SLE and polymyositis. Cryogel contains 51 times more EDA(+) FN than plasma. The patients with rheumatoid arthritis showed a high level of EDA(+) FN in their plasma, and the EDA(+) FN level in plasma corresponded with changes in joint pain. We calculated the clearance level at several points in cryofiltration, and the reduction enabled us to evaluate the CRYO device. The EDA(+) FN clearance was 23.3 +/- 6.4 ml/min, the pFN clearance 16.5 +/- 4.1 ml/min, and the Fbg clearance 22.9 +/- 5.7 ml/min. As the plasma flow in cryofiltration was 30 ml/min, a clearance of EDA(+) FN and Fbg, approximately 23 ml/min, was obviously high. The study of the plasma level change of EDA(+) FN during cryofiltration revealed a temporary elevation. These results suggest that the EDA(+) FN was most efficiently reduced by cryofiltration, would become a good indicator on plasmapheresis, and might move from other tissues into the blood during cryofiltration.
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| Authors | A Kawamura, M Yonekawa, M Takahashi, J Meguro, N Yanagida, N Kurauchi, A Ikeda, K Kukita, E Sakashita |
| Journal | The International journal of artificial organs (Int J Artif Organs) Vol. 17 Issue 10 Pg. 559-64 (Oct 1994) ISSN: 0391-3988 [Print] United States |
| PMID | 7896431 (Publication Type: Case Reports, Journal Article) |
| Chemical References |
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