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  • Title: High incidence of gastrointestinal tract bleeding after autologous stem cell transplant for primary systemic amyloidosis.
    Author: Kumar S, Dispenzieri A, Lacy MQ, Litzow MR, Gertz MA.
    Journal: Bone Marrow Transplant; 2001 Aug; 28(4):381-5. PubMed ID: 11571511.
    Abstract:
    Peripheral blood stem cell transplants have been associated with better response rates than conventional chemotherapy in patients with primary systemic amyloidosis. A higher incidence of gastrointestinal (GI) tract bleeding has been observed among amyloidosis patients undergoing peripheral stem cell transplantation. We retrospectively reviewed the medical records of such patients to identify those who had GI tract bleeding in the post-transplant period. Forty-five patients were studied. Nine patients had GI tract bleeding in the post-transplant period. The median post-transplant duration to onset of bleeding was 9.5 days (range 1 to 48 days). Three patients had lower GI tract bleeding, two had upper GI tract bleeding, and four had both. Diffuse esophagitis and gastritis were the most common findings on endoscopy. There were no correlations among the age, platelet nadir, or CD34 count of the graft and the risk of bleeding. Women were more likely to have GI tract bleeding (P = 0.015), as were patients with slow platelet engraftment (P = 0.02). Patients with multiorgan involvement and those on hemodialysis appeared to be at a higher risk of GI tract bleeding. The mean post-transplant hospital stay for those with GI tract bleeding was 37 days compared with 14.5 days for those who did not have GI tract bleeding (P = 0.0047).
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