• Kazuko Nagase, Ken Fukunaga, Kunio Ohnishi, Takeshi Kusaka, Yoshika Matoba, and Koji Sawada.
• Division of Gastroenterology, Department of Internal Medicine, Hyogo College of Medicine, Nishinomiya, Hyogo, Japan. kazuko@hyo-med.ac.jp
• Ther Apher Dial. 2004 Feb 1; 8 (1): 45-51.

AbstractThe aim was to determine whether adverse effects of leukocytapheresis (LCAP) are related to nafamostat mesilate (NM) as an anticoagulant. Anti-NM IgE were detected in inflammatory bowel disease (IBD) patients who were administrated LCAP in our institute. Forty-nine patients (ulcerative colitis (UC)/Crohn's disease (CD): 30/19) were evaluated. Anti-NM IgE was measured by the ELISA method. Total IgE level and eosinophil count was tested concurrently. We retrospectively checked the presence of allergic symptoms and medications used concurrently with LCAP. Anti-NM IgE were present in six symptomatic patients (6/49; 12.2%) whose adverse effects were highly suspected to be from NM. However, 21 patients showed anti NM IgE-negative, in spite of the fact that their adverse effects were also highly suspected to be from NM. Through the detection of anti-NM IgE alone we could not estimate the relevance of NM as an anticoagulant to the adverse effects of LCAP.

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