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Ability to remove immunoglobulins and anti-ganglioside antibodies by plasma exchange, double-filtration
1Department of Neurology, Dokkyo University School of Medicine, Tochigi, Japan.
In Japan, patients with Guillain-Barré (GBS) and Fisher's (FS) syndromes often receive plasma exchange (PE), double-filtration plasmapheresis (DFPP), or immunoadsorption (IA). To determine whether DFPP and IA are as effective as PE, we compared their abilities to remove immunoglobulins and anti-ganglioside antibodies. Plasma samples were obtained from 55 GBS patients and 53 FS patients, before and after each session of the treatments. PE decreased the IgG concentration more than DFPP did, its abilities to remove anti-ganglioside IgG antibodies in PE markedly being superior to the abilities of the other plasmaphereses. IA on a tryptophan-immobilized column adsorbed anti-ganglioside IgG antibodies more effectively than IA on other affinity columns.
In Japan, patients with Guillain-Barré (GBS) and Fisher's (FS) syndromes often receive plasma exchange (PE), double-filtration plasmapheresis (DFPP), or immunoadsorption (IA). To determine whether DFPP and IA are as effective as PE, we compared their abilities to remove immunoglobulins and anti-ganglioside antibodies. Plasma samples were obtained from 55 GBS patients and 53 FS patients, before and after each session of the treatments. PE decreased the IgG concentration more than DFPP did, its abilities to remove anti-ganglioside IgG antibodies in PE markedly being superior to the abilities of the other plasmaphereses. IA on a tryptophan-immobilized column adsorbed anti-ganglioside IgG antibodies more effectively than IA on other affinity columns.