Все больше публикаций, что после выполнения Roux-en-Y gastric bypass прием препарата железа внутрь НЕ корригирует анемии и пациенты нуждаются в в/в введении:
Iron 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.
Surg Obes Relat Dis. 2013 Feb 13.
Management of iron deficiency and anemia after Roux-en-Y gastric bypass surgery: an observational study.
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Iron Deficiency After Roux-en-Y Gastric Bypass: Insufficient Iron Absorption from Oral Iron Supplements.
Gesquiere I, Lannoo M, Augustijns P, Matthys C, Van der Schueren B, Foulon V.
Obes Surg. 2013 Aug 6.
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...the use of IV iron has begun to gain popularity in the treatment of iron deficiency anemia (IDA) associated with two conditions that are being seen more frequently than in years past: patients who are status post gastric bypass procedure and those with inflammatory bowel disease.
World J Gastrointest Pharmacol Ther. 2013 Aug 6;4(3):49-53.
Emerging causes of iron deficiency anemia refractory to oral iron supplementation.
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