• Mitsuro Chiba, Satoko Tsuda, Tsuyotoshi Tsuji, Kunio Nakane, Masafumi Komatsu, Yoshiko Miura, Toshiya Ishida, Toru Shibahara, and Tadashi Nishimoto.
• Division of Gastroenterology (MC, ST, TT, KN, MK), Division of Urology (YM, TI), and Division of Cardiology (TS), Akita City Hospital; Akita South Clinic (TN), Akita City, Japan.
• Medicine (Baltimore). 2014 Aug 1; 93 (7): e54.

AbstractThere is limited information in the use of antitumor necrosis factor α, infliximab, in patients on hemodialysis. In Crohn's disease (CD), only 3 cases are reported.A 76-year-old man on hemodialysis for renal failure caused by immunoglobulin A nephropathy developed diarrhea and abdominal pains. A marked edema was observed in the pretibia and ankle. An increase of C-reactive protein (CRP) and erythrocyte sedimentation rate, hypoalbuminemia, hypocholesterolemia, and moderate anemia was found. Ultrasonography and computed tomography (CT) found wall thickness in the left colon. Sigmoidoscopy revealed multiple ulcers in the sigmoid colon and noncaseating epithelioid granuloma was found in the biopsy specimen. Barium enema study exhibited collar button signs and longitudinal ulcers in the left colon.A severe form of CD was diagnosed. Metronidazole seemed to decrease CRP but was ineffective in ameliorating diarrhea. Infliximab rather than steroid hormone was chosen for the treatment. Standard induction therapy with infliximab was initiated. Symptoms rapidly improved then disappeared. CD activity index decreased from 747 to a remission level of 134 after 2 infusions of infliximab. Scheduled maintenance infliximab therapy was administered after the induction therapy. Ultrasonography and CT showed a disappearance of the wall thickness of the colon. Adverse reactions were not observed.Infliximab was effective and safe in a patient with CD on hemodialysis. Our case has added additional literature in accordance with previous reports supporting infliximab as effective and safe in patients on hemodialysis.

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