International Journal of Hematology and Oncology
2023, Vol 33, Num 4 Page(s): 054-060
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The Impact of Iron Overload on Transplant-Related Complications and Prognosis of Acute Leukemias
Umit Y. MALKAN1, Gursel GUNES1, Eylem ELIACIK1, Ibrahim C. HAZNEDAROGLU1, Okan YAYAR1, Sezgin ETGUL1, Tuncay ASLAN1, Seda AYDIN1, Hakan GOKER1, Haluk DEMIROGLU1, Nilgun SAYINALP1, Osman I. OZCEBE1, Salih AKSU1, Yahya BUYUKASIK1
Hacettepe University Faculty of Medicine, Department of Internal Medicine, Division of Hematology, Ankara, TURKEY
Keywords: Iron overload, Acute leukemia, Transplantation
The impacts of serum iron parameters and/or radiological evidence of systemic iron overload on the prognosis of hematopoietic stem cell transplantation (HSCT) in acute leukemia are controversial. Unfortunately, some of the studies evaluating iron overload in transplant setting did not precisely show the patients with iron overload, mainly due to ignoring consideration of transferrin saturation along with hyperferritinemia for elimination of non-iron overload etiologies of hyperferritinemia. The aim of this study is to assess the effect of iron overload on transplantation related complications and prognosis in acute leukemia. Patients who undergone allogeneic HSCT for acute leukemia in Hacettepe University Medical School Department of Hematology were screened retrospectively in order to find cases with serum iron tests within 9 months before transplant. The endpoints investigated were overall and disease-free survivals, acute and chronic graft-versus-host disease and veno-oclussive disease (VOD). There were 84 patients suitable for inclusion. When various ferritin plus transferrin saturation (TS) cut-off values were investigated for a possible relationship with major transplant-related complications/results only ferritin> 2000 plus TS> 45% was found to have an association with VOD at borderline significance (p= 0.067). In conclusion, we observed a non-significant borderline relationship between iron overload and post-transplant VOD. We did not confirm other post-transplant complications reported in the literature. It must be noticed that although many studies intended to investigate the relationship between iron status and transplant outcomes, only a few of them have really looked for the effect of iron overload.
Umit Y. MALKAN1, Gursel GUNES1, Eylem ELIACIK1, Ibrahim C. HAZNEDAROGLU1, Okan YAYAR1, Sezgin ETGUL1, Tuncay ASLAN1, Seda AYDIN1, Hakan GOKER1, Haluk DEMIROGLU1, Nilgun SAYINALP1, Osman I. OZCEBE1, Salih AKSU1, Yahya BUYUKASIK1
Hacettepe University Faculty of Medicine, Department of Internal Medicine, Division of Hematology, Ankara, TURKEY
Keywords: Iron overload, Acute leukemia, Transplantation
The impacts of serum iron parameters and/or radiological evidence of systemic iron overload on the prognosis of hematopoietic stem cell transplantation (HSCT) in acute leukemia are controversial. Unfortunately, some of the studies evaluating iron overload in transplant setting did not precisely show the patients with iron overload, mainly due to ignoring consideration of transferrin saturation along with hyperferritinemia for elimination of non-iron overload etiologies of hyperferritinemia. The aim of this study is to assess the effect of iron overload on transplantation related complications and prognosis in acute leukemia. Patients who undergone allogeneic HSCT for acute leukemia in Hacettepe University Medical School Department of Hematology were screened retrospectively in order to find cases with serum iron tests within 9 months before transplant. The endpoints investigated were overall and disease-free survivals, acute and chronic graft-versus-host disease and veno-oclussive disease (VOD). There were 84 patients suitable for inclusion. When various ferritin plus transferrin saturation (TS) cut-off values were investigated for a possible relationship with major transplant-related complications/results only ferritin> 2000 plus TS> 45% was found to have an association with VOD at borderline significance (p= 0.067). In conclusion, we observed a non-significant borderline relationship between iron overload and post-transplant VOD. We did not confirm other post-transplant complications reported in the literature. It must be noticed that although many studies intended to investigate the relationship between iron status and transplant outcomes, only a few of them have really looked for the effect of iron overload.
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