• Surg Obes Relat Dis · Nov 2013

    Observational Study

    Management of iron deficiency and anemia after Roux-en-Y gastric bypass surgery: an observational study.

    • Margaret Malone, Sharon Alger-Mayer, Jennifer Lindstrom, and George R Bailie.
    • Albany College of Pharmacy and Health Sciences, Albany, New York. Electronic address: margaret.malone@acphs.edu.
    • Surg Obes Relat Dis. 2013 Nov 1; 9 (6): 969-74.

    BackgroundIron deficiency (ID) is common after Roux-en-Y gastric bypass surgery (RYGB). Optimal iron management in this population is unclear. The objective of this study was to assess our management of RYGB patients with ID and anemia.MethodsClinic visit records of RYGB patients with ID or anemia from January 1, 2008, to February 1, 2010 were evaluated. Demographic characteristics, postsurgery iron and anemia indices, and prescribed treatments were recorded. Three separate definitions for ID and anemia were used (standard textbook, ASBMS, and recent literature). An intravenous iron protocol was later implemented, and follow-up laboratory values were obtained.ResultsA total of 125 with ID or anemia (89% female, 86% Caucasian), mean (SD) age 44.7 (8.6) years, and BMI 47.3 (10.8) kg/m(2) at time of RYGB, were included. Proportion of values meeting criteria for ID or anemia at first follow-up: standard textbook, hemoglobin (Hb, 35%), transferrin saturation (Tsat, 48%), ferritin (28%); ASBMS, ferritin (43%); recent literature, ferritin (58%), serum iron (21%). At mean follow-up of 45.7 (43) months, oral iron (n = 49) or intravenous iron (n = 4) had been prescribed for 53 (42.4%) patients, and 32 (25.6%) patients received multiple blood transfusions. Nine patients received intravenous iron using the new protocol (400-1400 mg), resulting in increases in Hb (1.8 g/dL; P<.05) and ferritin (31.8 ng/mL; P< .002).ConclusionIron management was inadequate. Hematologic values often were deficient for sustained periods. Initially, few patients received intravenous iron after oral iron failure, many received no iron supplementation, and there was high use of blood transfusions. Subsequently, administration of intravenous iron was beneficial.Copyright © 2013 American Society for Bariatric Surgery. Published by Elsevier Inc. All rights reserved.

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