The effect of intravenous iron therapy on total antioxidant capacity in patients with iron deficiency anemia

Abstract

Objectives: Parenteral iron is used for patients who are either unable to absorb oral iron or who have increasing anemia despite adequate doses of per oral iron. Parenteral iron preparations are clearly effective, but concerns have been raised regarding adverse events and potentially long-term toxicity. So, in this study we aimed to investigate the effect of intravenous iron therapy on acute antioxidant capacity. Materials and methods: Totally 36 patients with iron deficiency anemia and 20 healthy controls were included in the study. Prior to iron infusion to subjects, blood samples were obtained for measurement of total antioxidant capacity. Then patients received 100 mg intravenous iron sucrose in an hour. And at the first hour after the infusion was completed, the blood samples were repeated. Results: Before the treatment total antioxidant capacity was significantly lower in anemic patients (280±34 μmol/L) than in control group (365±58 μmol/L) (p=0.001). Significantly decreased total antioxidant capacity (264±35 μmol/L) was found after the iron treatment (p=0.01). No adverse events related to intravenous iron were observed. Conclusion: In this study, we observed that intravenously administered iron sucrose in 100 mg dose and also iron deficiency anemia itself, caused increased oxidative stress. J Clin Exp Invest 2011; 2 (3): 287-91.

Keywords

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Demir eksikliği anemili hastalarda intravenöz demir tedavisinin total antioksidan kapasite üzerine etkisi

Öz

Amaç: Parenteral demir tedavisi oral yolla alınan demirin emiliminin bozuk olduğu ya da oral demir tedavisine rağmen aneminin düzelmediği hastalarda tercih edilir. Parenteral demir tedavisinin etkinliği kanıtlanmıştır ancak yan etkileri ve uzun dönem kullanımında toksisite gelişimi üzerine dikkat çekilmektedir. Biz de bu çalışmada, intravenöz demir tedavisinin akut antioksidan kapasite ölçümü üzerine etkisini araştırdık. Gereç ve yöntem: Çalışmaya demir eksikliği anemisi olan 36 hasta ve 20 sağlıklı kontrol dahil edildi. İntravenöz demir tedavisi verilmeden önce hastalardan bazal total antioksidan kapasite düzeyi ölçümü için kan örnekleri alındı. Hastalara 100 mg demir sükroz intravenöz yolla bir saatte verildi. İnfüzyon bitiminden bir saat sonra hastalardan ilaç sonrası total antioksidan kapasiteyi değerlendirmek üzere tekrar kan alındı. Bulgular: Demir eksikliği anemisi olan grupta tedavi öncesi total antioksidan kapasite düzeyi (280±34 μmol/L) kontrol grubuna (365±58 μmol/L) göre anlamlı olarak düşük tespit edildi (p=0.001). Tedavi sonrasında ise total antioksidan kapasite düzeyinde (264±35 μmol/L) anlamlı düşüş görüldü (p=0.01). Hastaların hiçbirinde intravenöz demir sukroz uygulanmasına bağlı yan etki görülmedi. Sonuç: Bu çalışmada, demir eksikliği anemisinin ve tedavisinde kullanılan intravenöz demir preparatının oksidatif stresi arttırdığı görüldü.

Anahtar Kelimeler

• Anemi, demir eksikliği, intravenöz, tedavi, oksidatif stres

Kaynakça

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