Abstract:
BACKGROUND AND OBJECTIVES:Plasma exchange (PE) and immunoadsorption with the Immusorba TR-350 column (IA) are used to remove autoantibodies from plasma in acute neurological autoimmune disorders. The impact of IA on coagulation and on low molecular weight heparin (LMWH) levels in comparison with PE was investigated. PATIENTS AND METHODS:In five patients with neurological autoimmune disorders, coagulation parameters (global tests, coagulation factors) were measured before and after PE or IA (Part A). In five other patients under anticoagulation with LMWH, anti-Xa activity and global tests were measured before and after the treatments (Part B). RESULTS:After PE, coagulation factors were significantly reduced by 50-70%. After IA, a distinct reduction was observed for fibrinogen, but not for antithrombin and most of the other coagulation factors. Anti-Xa activity was reduced after PE (from 0.57 ± 0·10 to 0.13 ± 0.05 IU/ml) and almost unchanged after IA. CONCLUSION:It is advisable to discontinue or to reduce LMWH doses and to monitor coagulation parameters and anti-Xa activity after PE or IA to decide about further LMWH dosing.
journal_name
Vox Sangjournal_title
Vox sanguinisauthors
Koessler J,Kobsar A,Kuhn S,Koessler A,Yilmaz P,Weinig E,Putz E,Boeck M,Klinker Edoi
10.1111/vox.12191subject
Has Abstractpub_date
2015-01-01 00:00:00pages
46-51issue
1eissn
0042-9007issn
1423-0410journal_volume
108pub_type
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